1 | <?php |
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2 | /* vim: set expandtab tabstop=4 shiftwidth=4: */ |
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3 | |
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4 | /** |
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5 | * Contains the Calendar_Decorator class |
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6 | * |
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7 | * PHP versions 4 and 5 |
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8 | * |
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9 | * LICENSE: Redistribution and use in source and binary forms, with or without |
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10 | * modification, are permitted provided that the following conditions are met: |
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11 | * 1. Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * 3. The name of the author may not be used to endorse or promote products |
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17 | * derived from this software without specific prior written permission. |
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18 | * |
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19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED |
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20 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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21 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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22 | * IN NO EVENT SHALL THE FREEBSD PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY |
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23 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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26 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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29 | * |
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30 | * @category Date and Time |
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31 | * @package Calendar |
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32 | * @author Harry Fuecks <hfuecks@phppatterns.com> |
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33 | * @copyright 2003-2007 Harry Fuecks |
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34 | * @license http://www.debian.org/misc/bsd.license BSD License (3 Clause) |
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35 | * @version CVS: $Id: Decorator.php 300729 2010-06-24 12:05:53Z quipo $ |
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36 | * @link http://pear.php.net/package/Calendar |
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37 | */ |
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38 | |
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39 | /** |
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40 | * Decorates any calendar class. |
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41 | * Create a subclass of this class for your own "decoration". |
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42 | * Used for "selections" |
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43 | * <code> |
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44 | * class DayDecorator extends Calendar_Decorator |
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45 | * { |
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46 | * function thisDay($format = 'int') |
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47 | * { |
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48 | .* $day = parent::thisDay('timestamp'); |
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49 | .* return date('D', $day); |
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50 | * } |
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51 | * } |
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52 | * $Day = new Calendar_Day(2003, 10, 25); |
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53 | * $DayDecorator = new DayDecorator($Day); |
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54 | * echo $DayDecorator->thisDay(); // Outputs "Sat" |
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55 | * </code> |
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56 | * |
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57 | * @category Date and Time |
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58 | * @package Calendar |
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59 | * @author Harry Fuecks <hfuecks@phppatterns.com> |
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60 | * @copyright 2003-2007 Harry Fuecks |
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61 | * @license http://www.debian.org/misc/bsd.license BSD License (3 Clause) |
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62 | * @link http://pear.php.net/package/Calendar |
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63 | * @abstract |
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64 | */ |
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65 | class Calendar_Decorator |
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66 | { |
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67 | /** |
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68 | * Subclass of Calendar being decorated |
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69 | * @var object |
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70 | * @access private |
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71 | */ |
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72 | var $calendar; |
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73 | |
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74 | /** |
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75 | * Constructs the Calendar_Decorator |
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76 | * |
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77 | * @param object &$calendar subclass to Calendar to decorate |
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78 | */ |
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79 | function Calendar_Decorator(&$calendar) |
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80 | { |
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81 | $this->calendar = & $calendar; |
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82 | } |
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83 | |
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84 | /** |
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85 | * Defines the calendar by a Unix timestamp, replacing values |
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86 | * passed to the constructor |
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87 | * |
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88 | * @param int $ts Unix timestamp |
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89 | * |
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90 | * @return void |
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91 | * @access public |
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92 | */ |
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93 | function setTimestamp($ts) |
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94 | { |
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95 | $this->calendar->setTimestamp($ts); |
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96 | } |
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97 | |
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98 | /** |
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99 | * Returns a timestamp from the current date / time values. Format of |
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100 | * timestamp depends on Calendar_Engine implementation being used |
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101 | * |
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102 | * @return int $ts timestamp |
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103 | * @access public |
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104 | */ |
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105 | function getTimestamp() |
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106 | { |
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107 | return $this->calendar->getTimeStamp(); |
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108 | } |
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109 | |
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110 | /** |
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111 | * Defines calendar object as selected (e.g. for today) |
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112 | * |
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113 | * @param boolean $state whether Calendar subclass must be selected |
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114 | * |
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115 | * @return void |
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116 | * @access public |
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117 | */ |
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118 | function setSelected($state = true) |
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119 | { |
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120 | $this->calendar->setSelected($state = true); |
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121 | } |
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122 | |
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123 | /** |
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124 | * True if the calendar subclass object is selected (e.g. today) |
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125 | * |
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126 | * @return boolean |
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127 | * @access public |
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128 | */ |
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129 | function isSelected() |
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130 | { |
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131 | return $this->calendar->isSelected(); |
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132 | } |
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133 | |
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134 | /** |
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135 | * Adjusts the date (helper method) |
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136 | * |
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137 | * @return void |
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138 | * @access public |
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139 | */ |
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140 | function adjust() |
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141 | { |
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142 | $this->calendar->adjust(); |
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143 | } |
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144 | |
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145 | /** |
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146 | * Returns the date as an associative array (helper method) |
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147 | * |
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148 | * @param mixed $stamp timestamp (leave empty for current timestamp) |
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149 | * |
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150 | * @return array |
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151 | * @access public |
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152 | */ |
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153 | function toArray($stamp = null) |
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154 | { |
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155 | return $this->calendar->toArray($stamp); |
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156 | } |
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157 | |
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158 | /** |
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159 | * Returns the value as an associative array (helper method) |
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160 | * |
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161 | * @param string $returnType type of date object that return value represents |
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162 | * @param string $format ['int'|'timestamp'|'object'|'array'] |
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163 | * @param mixed $stamp timestamp (depending on Calendar engine being used) |
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164 | * @param integer $default default value (i.e. give me the answer quick) |
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165 | * |
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166 | * @return mixed |
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167 | * @access private |
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168 | */ |
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169 | function returnValue($returnType, $format, $stamp, $default) |
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170 | { |
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171 | return $this->calendar->returnValue($returnType, $format, $stamp, $default); |
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172 | } |
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173 | |
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174 | /** |
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175 | * Defines Day object as first in a week |
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176 | * Only used by Calendar_Month_Weekdays::build() |
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177 | * |
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178 | * @param boolean $state whether it's first or not |
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179 | * |
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180 | * @return void |
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181 | * @access private |
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182 | */ |
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183 | function setFirst($state = true) |
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184 | { |
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185 | if (method_exists($this->calendar, 'setFirst')) { |
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186 | $this->calendar->setFirst($state); |
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187 | } |
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188 | } |
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189 | |
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190 | /** |
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191 | * Defines Day object as last in a week |
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192 | * Used only following Calendar_Month_Weekdays::build() |
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193 | * |
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194 | * @param boolean $state whether it's last or not |
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195 | * |
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196 | * @return void |
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197 | * @access private |
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198 | */ |
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199 | function setLast($state = true) |
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200 | { |
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201 | if (method_exists($this->calendar, 'setLast')) { |
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202 | $this->calendar->setLast($state); |
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203 | } |
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204 | } |
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205 | |
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206 | /** |
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207 | * Returns true if Day object is first in a Week |
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208 | * Only relevant when Day is created by Calendar_Month_Weekdays::build() |
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209 | * |
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210 | * @return boolean |
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211 | * @access public |
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212 | */ |
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213 | function isFirst() |
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214 | { |
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215 | if (method_exists($this->calendar, 'isFirst')) { |
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216 | return $this->calendar->isFirst(); |
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217 | } |
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218 | } |
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219 | |
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220 | /** |
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221 | * Returns true if Day object is last in a Week |
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222 | * Only relevant when Day is created by Calendar_Month_Weekdays::build() |
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223 | * |
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224 | * @return boolean |
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225 | * @access public |
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226 | */ |
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227 | function isLast() |
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228 | { |
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229 | if (method_exists($this->calendar, 'isLast')) { |
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230 | return $this->calendar->isLast(); |
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231 | } |
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232 | } |
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233 | |
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234 | /** |
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235 | * Defines Day object as empty |
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236 | * Only used by Calendar_Month_Weekdays::build() |
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237 | * |
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238 | * @param boolean $state whether it's empty or not |
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239 | * |
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240 | * @return void |
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241 | * @access private |
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242 | */ |
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243 | function setEmpty ($state = true) |
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244 | { |
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245 | if (method_exists($this->calendar, 'setEmpty')) { |
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246 | $this->calendar->setEmpty($state); |
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247 | } |
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248 | } |
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249 | |
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250 | /** |
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251 | * Check if the current object is empty |
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252 | * |
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253 | * @return boolean |
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254 | * @access public |
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255 | */ |
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256 | function isEmpty() |
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257 | { |
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258 | if (method_exists($this->calendar, 'isEmpty')) { |
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259 | return $this->calendar->isEmpty(); |
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260 | } |
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261 | } |
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262 | |
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263 | /** |
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264 | * Build the children |
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265 | * |
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266 | * @param array $sDates array containing Calendar objects to select (optional) |
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267 | * |
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268 | * @return boolean |
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269 | * @access public |
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270 | * @abstract |
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271 | */ |
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272 | function build($sDates = array()) |
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273 | { |
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274 | $this->calendar->build($sDates); |
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275 | } |
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276 | |
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277 | /** |
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278 | * Iterator method for fetching child Calendar subclass objects |
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279 | * (e.g. a minute from an hour object). On reaching the end of |
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280 | * the collection, returns false and resets the collection for |
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281 | * further iteratations. |
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282 | * |
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283 | * @return mixed either an object subclass of Calendar or false |
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284 | * @access public |
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285 | */ |
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286 | function fetch() |
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287 | { |
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288 | return $this->calendar->fetch(); |
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289 | } |
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290 | |
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291 | /** |
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292 | * Fetches all child from the current collection of children |
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293 | * |
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294 | * @return array |
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295 | * @access public |
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296 | */ |
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297 | function fetchAll() |
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298 | { |
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299 | return $this->calendar->fetchAll(); |
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300 | } |
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301 | |
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302 | /** |
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303 | * Get the number Calendar subclass objects stored in the internal collection |
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304 | * |
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305 | * @return int |
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306 | * @access public |
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307 | */ |
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308 | function size() |
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309 | { |
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310 | return $this->calendar->size(); |
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311 | } |
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312 | |
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313 | /** |
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314 | * Determine whether this date is valid, with the bounds determined by |
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315 | * the Calendar_Engine. The call is passed on to Calendar_Validator::isValid |
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316 | * |
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317 | * @return boolean |
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318 | * @access public |
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319 | */ |
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320 | function isValid() |
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321 | { |
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322 | return $this->calendar->isValid(); |
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323 | } |
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324 | |
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325 | /** |
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326 | * Returns an instance of Calendar_Validator |
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327 | * |
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328 | * @return Calendar_Validator |
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329 | * @access public |
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330 | */ |
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331 | function & getValidator() |
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332 | { |
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333 | $validator = $this->calendar->getValidator(); |
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334 | return $validator; |
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335 | } |
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336 | |
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337 | /** |
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338 | * Returns a reference to the current Calendar_Engine being used. Useful |
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339 | * for Calendar_Table_Helper and Calendar_Validator |
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340 | * |
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341 | * @return object implementing Calendar_Engine_Inteface |
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342 | * @access private |
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343 | */ |
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344 | function & getEngine() |
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345 | { |
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346 | $engine = $this->calendar->getEngine(); |
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347 | return $engine; |
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348 | } |
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349 | |
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350 | /** |
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351 | * Returns the value for the previous year |
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352 | * |
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353 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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354 | * |
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355 | * @return int e.g. 2002 or timestamp |
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356 | * @access public |
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357 | */ |
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358 | function prevYear($format = 'int') |
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359 | { |
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360 | return $this->calendar->prevYear($format); |
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361 | } |
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362 | |
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363 | /** |
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364 | * Returns the value for this year |
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365 | * |
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366 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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367 | * |
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368 | * @return int e.g. 2003 or timestamp |
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369 | * @access public |
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370 | */ |
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371 | function thisYear($format = 'int') |
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372 | { |
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373 | return $this->calendar->thisYear($format); |
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374 | } |
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375 | |
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376 | /** |
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377 | * Returns the value for next year |
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378 | * |
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379 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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380 | * |
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381 | * @return int e.g. 2004 or timestamp |
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382 | * @access public |
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383 | */ |
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384 | function nextYear($format = 'int') |
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385 | { |
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386 | return $this->calendar->nextYear($format); |
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387 | } |
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388 | |
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389 | /** |
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390 | * Returns the value for the previous month |
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391 | * |
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392 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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393 | * |
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394 | * @return int e.g. 4 or Unix timestamp |
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395 | * @access public |
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396 | */ |
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397 | function prevMonth($format = 'int') |
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398 | { |
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399 | return $this->calendar->prevMonth($format); |
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400 | } |
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401 | |
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402 | /** |
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403 | * Returns the value for this month |
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404 | * |
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405 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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406 | * |
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407 | * @return int e.g. 5 or timestamp |
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408 | * @access public |
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409 | */ |
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410 | function thisMonth($format = 'int') |
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411 | { |
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412 | return $this->calendar->thisMonth($format); |
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413 | } |
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414 | |
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415 | /** |
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416 | * Returns the value for next month |
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417 | * |
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418 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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419 | * |
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420 | * @return int e.g. 6 or timestamp |
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421 | * @access public |
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422 | */ |
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423 | function nextMonth($format = 'int') |
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424 | { |
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425 | return $this->calendar->nextMonth($format); |
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426 | } |
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427 | |
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428 | /** |
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429 | * Returns the value for the previous week |
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430 | * |
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431 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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432 | * |
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433 | * @return int e.g. 4 or Unix timestamp |
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434 | * @access public |
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435 | */ |
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436 | function prevWeek($format = 'n_in_month') |
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437 | { |
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438 | if ( method_exists($this->calendar, 'prevWeek')) { |
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439 | return $this->calendar->prevWeek($format); |
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440 | } else { |
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441 | include_once 'PEAR.php'; |
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442 | PEAR::raiseError( |
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443 | 'Cannot call prevWeek on Calendar object of type: '. |
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444 | get_class($this->calendar), 133, PEAR_ERROR_TRIGGER, |
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445 | E_USER_NOTICE, 'Calendar_Decorator::prevWeek()'); |
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446 | return false; |
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447 | } |
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448 | } |
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449 | |
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450 | /** |
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451 | * Returns the value for this week |
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452 | * |
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453 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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454 | * |
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455 | * @return int e.g. 5 or timestamp |
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456 | * @access public |
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457 | */ |
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458 | function thisWeek($format = 'n_in_month') |
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459 | { |
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460 | if ( method_exists($this->calendar, 'thisWeek')) { |
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461 | return $this->calendar->thisWeek($format); |
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462 | } else { |
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463 | include_once 'PEAR.php'; |
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464 | PEAR::raiseError( |
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465 | 'Cannot call thisWeek on Calendar object of type: '. |
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466 | get_class($this->calendar), 133, PEAR_ERROR_TRIGGER, |
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467 | E_USER_NOTICE, 'Calendar_Decorator::thisWeek()'); |
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468 | return false; |
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469 | } |
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470 | } |
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471 | |
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472 | /** |
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473 | * Returns the value for next week |
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474 | * |
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475 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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476 | * |
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477 | * @return int e.g. 6 or timestamp |
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478 | * @access public |
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479 | */ |
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480 | function nextWeek($format = 'n_in_month') |
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481 | { |
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482 | if ( method_exists($this->calendar, 'nextWeek')) { |
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483 | return $this->calendar->nextWeek($format); |
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484 | } else { |
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485 | include_once 'PEAR.php'; |
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486 | PEAR::raiseError( |
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487 | 'Cannot call thisWeek on Calendar object of type: '. |
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488 | get_class($this->calendar), 133, PEAR_ERROR_TRIGGER, |
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489 | E_USER_NOTICE, 'Calendar_Decorator::nextWeek()'); |
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490 | return false; |
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491 | } |
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492 | } |
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493 | |
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494 | /** |
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495 | * Returns the value for the previous day |
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496 | * |
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497 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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498 | * |
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499 | * @return int e.g. 10 or timestamp |
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500 | * @access public |
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501 | */ |
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502 | function prevDay($format = 'int') |
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503 | { |
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504 | return $this->calendar->prevDay($format); |
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505 | } |
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506 | |
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507 | /** |
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508 | * Returns the value for this day |
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509 | * |
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510 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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511 | * |
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512 | * @return int e.g. 11 or timestamp |
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513 | * @access public |
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514 | */ |
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515 | function thisDay($format = 'int') |
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516 | { |
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517 | return $this->calendar->thisDay($format); |
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518 | } |
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519 | |
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520 | /** |
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521 | * Returns the value for the next day |
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522 | * |
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523 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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524 | * |
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525 | * @return int e.g. 12 or timestamp |
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526 | * @access public |
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527 | */ |
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528 | function nextDay($format = 'int') |
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529 | { |
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530 | return $this->calendar->nextDay($format); |
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531 | } |
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532 | |
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533 | /** |
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534 | * Returns the value for the previous hour |
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535 | * |
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536 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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537 | * |
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538 | * @return int e.g. 13 or timestamp |
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539 | * @access public |
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540 | */ |
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541 | function prevHour($format = 'int') |
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542 | { |
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543 | return $this->calendar->prevHour($format); |
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544 | } |
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545 | |
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546 | /** |
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547 | * Returns the value for this hour |
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548 | * |
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549 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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550 | * |
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551 | * @return int e.g. 14 or timestamp |
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552 | * @access public |
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553 | */ |
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554 | function thisHour($format = 'int') |
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555 | { |
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556 | return $this->calendar->thisHour($format); |
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557 | } |
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558 | |
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559 | /** |
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560 | * Returns the value for the next hour |
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561 | * |
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562 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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563 | * |
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564 | * @return int e.g. 14 or timestamp |
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565 | * @access public |
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566 | */ |
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567 | function nextHour($format = 'int') |
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568 | { |
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569 | return $this->calendar->nextHour($format); |
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570 | } |
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571 | |
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572 | /** |
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573 | * Returns the value for the previous minute |
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574 | * |
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575 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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576 | * |
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577 | * @return int e.g. 23 or timestamp |
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578 | * @access public |
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579 | */ |
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580 | function prevMinute($format = 'int') |
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581 | { |
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582 | return $this->calendar->prevMinute($format); |
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583 | } |
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584 | |
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585 | /** |
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586 | * Returns the value for this minute |
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587 | * |
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588 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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589 | * |
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590 | * @return int e.g. 24 or timestamp |
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591 | * @access public |
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592 | */ |
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593 | function thisMinute($format = 'int') |
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594 | { |
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595 | return $this->calendar->thisMinute($format); |
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596 | } |
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597 | |
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598 | /** |
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599 | * Returns the value for the next minute |
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600 | * |
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601 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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602 | * |
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603 | * @return int e.g. 25 or timestamp |
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604 | * @access public |
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605 | */ |
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606 | function nextMinute($format = 'int') |
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607 | { |
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608 | return $this->calendar->nextMinute($format); |
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609 | } |
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610 | |
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611 | /** |
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612 | * Returns the value for the previous second |
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613 | * |
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614 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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615 | * |
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616 | * @return int e.g. 43 or timestamp |
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617 | * @access public |
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618 | */ |
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619 | function prevSecond($format = 'int') |
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620 | { |
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621 | return $this->calendar->prevSecond($format); |
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622 | } |
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623 | |
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624 | /** |
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625 | * Returns the value for this second |
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626 | * |
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627 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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628 | * |
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629 | * @return int e.g. 44 or timestamp |
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630 | * @access public |
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631 | */ |
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632 | function thisSecond($format = 'int') |
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633 | { |
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634 | return $this->calendar->thisSecond($format); |
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635 | } |
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636 | |
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637 | /** |
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638 | * Returns the value for the next second |
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639 | * |
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640 | * @param string $format return value format ['int'|'timestamp'|'object'|'array'] |
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641 | * |
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642 | * @return int e.g. 45 or timestamp |
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643 | * @access public |
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644 | */ |
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645 | function nextSecond($format = 'int') |
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646 | { |
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647 | return $this->calendar->nextSecond($format); |
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648 | } |
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649 | } |
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650 | ?> |
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