1 | <?php |
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2 | /** |
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3 | * This file contains the code for the SOAP date/time clas. |
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4 | * |
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5 | * PHP versions 4 and 5 |
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6 | * |
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7 | * LICENSE: This source file is subject to version 2.02 of the PHP license, |
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8 | * that is bundled with this package in the file LICENSE, and is available at |
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9 | * through the world-wide-web at http://www.php.net/license/2_02.txt. If you |
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10 | * did not receive a copy of the PHP license and are unable to obtain it |
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11 | * through the world-wide-web, please send a note to license@php.net so we can |
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12 | * mail you a copy immediately. |
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13 | * |
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14 | * @category Web Services |
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15 | * @package SOAP |
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16 | * @author Dietrich Ayala <dietrich@ganx4.com> Original Author |
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17 | * @author Shane Caraveo <Shane@Caraveo.com> Port to PEAR and more |
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18 | * @author Jan Schneider <jan@horde.org> Maintenance |
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19 | * @copyright 2003-2005 The PHP Group |
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20 | * @license http://www.php.net/license/2_02.txt PHP License 2.02 |
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21 | * @link http://pear.php.net/package/SOAP |
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22 | */ |
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23 | |
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24 | /** |
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25 | * This class converts from and to unix timestamps and ISO 8601 date/time. |
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26 | * |
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27 | * @access public |
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28 | * @package SOAP |
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29 | * @author Dietrich Ayala <dietrich@ganx4.com> Original Author |
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30 | * @author Shane Caraveo <shane@php.net> Port to PEAR and more |
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31 | * @author Jan Schneider <jan@horde.org> Maintenance |
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32 | */ |
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33 | class SOAP_Type_dateTime |
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34 | { |
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35 | var $_iso8601 = |
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36 | '# 1: centuries & years CCYY- |
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37 | (-?[0-9]{4})- |
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38 | # 2: months MM- |
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39 | ([0-9]{2})- |
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40 | # 3: days DD |
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41 | ([0-9]{2}) |
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42 | # 4: separator T |
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43 | T |
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44 | # 5: hours hh: |
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45 | ([0-9]{2}): |
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46 | # 6: minutes mm: |
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47 | ([0-9]{2}): |
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48 | # 7: seconds ss.ss... |
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49 | ([0-9]{2})(\.[0-9]*)? |
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50 | # 8: Z to indicate UTC, -+HH:MM:SS.SS... for local zones |
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51 | (Z|[+\-][0-9]{4}|[+\-][0-9]{2}:[0-9]{2})?'; |
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52 | |
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53 | var $timestamp = -1; |
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54 | |
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55 | /** |
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56 | * Constructor. |
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57 | * |
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58 | * @param string|integer $date The timestamp or ISO 8601 formatted |
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59 | * date and time this object is going to |
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60 | * represent. |
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61 | */ |
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62 | function SOAP_Type_dateTime($date = -1) |
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63 | { |
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64 | if ($date == -1) { |
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65 | $this->timestamp = time(); |
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66 | } elseif (is_int($date)) { |
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67 | $this->timestamp = $date; |
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68 | } else { |
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69 | $this->timestamp = $this->toUnixtime($date); |
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70 | } |
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71 | } |
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72 | |
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73 | /** |
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74 | * Alias of {@link SOAP_Type_dateTime::toUTC}. |
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75 | */ |
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76 | function toSOAP($date = NULL) |
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77 | { |
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78 | return $this->toUTC($date); |
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79 | } |
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80 | |
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81 | /** |
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82 | * Converts this object or a timestamp to an ISO 8601 date/time string. |
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83 | * |
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84 | * @param integer $timestamp A unix timestamp |
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85 | * |
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86 | * @return string An ISO 8601 formatted date/time string. |
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87 | */ |
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88 | function toString($timestamp = 0) |
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89 | { |
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90 | if (!$timestamp) { |
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91 | $timestamp = $this->timestamp; |
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92 | } |
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93 | if ($timestamp < 0) { |
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94 | return 0; |
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95 | } |
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96 | |
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97 | //simulate PHP5's P parameter |
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98 | $zone = date('O', $timestamp); |
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99 | if (strlen($zone) == 5) { |
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100 | $zone = substr($zone, 0, 3) . ':' . substr($zone, 3); |
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101 | } |
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102 | return date('Y-m-d\TH:i:s', $timestamp) . $zone; |
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103 | } |
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104 | |
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105 | /** |
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106 | * Splits a date/time into its components. |
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107 | * |
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108 | * @param string|integer $datestr A unix timestamp or ISO 8601 date/time |
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109 | * string. If empty, this object is used. |
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110 | * |
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111 | * @return boolean|array An array with the date and time components or |
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112 | * false on failure. |
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113 | */ |
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114 | function _split($datestr) |
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115 | { |
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116 | if (!$datestr) { |
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117 | $datestr = $this->toString(); |
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118 | } elseif (is_int($datestr)) { |
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119 | $datestr = $this->toString($datestr); |
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120 | } |
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121 | |
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122 | if (preg_match('/' . $this->_iso8601 . '/x', $datestr, $regs)) { |
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123 | if (empty($regs[8])) { |
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124 | $timestamp = strtotime(sprintf('%04d-%02d-%02d %02d:%02d:%02d', |
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125 | $regs[1], |
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126 | $regs[2], |
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127 | $regs[3], |
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128 | $regs[4], |
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129 | $regs[5], |
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130 | $regs[6])); |
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131 | $regs[8] = date('O', $timestamp); |
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132 | } |
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133 | if ($regs[8] != 'Z') { |
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134 | $op = substr($regs[8], 0, 1); |
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135 | $h = substr($regs[8], 1, 2); |
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136 | if (strstr($regs[8], ':')) { |
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137 | $m = substr($regs[8], 4, 2); |
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138 | } else { |
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139 | $m = substr($regs[8], 3, 2); |
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140 | } |
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141 | if ($op == '+') { |
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142 | $regs[4] = $regs[4] - $h; |
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143 | if ($regs[4] < 0) { |
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144 | $regs[4] += 24; |
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145 | } |
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146 | $regs[5] = $regs[5] - $m; |
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147 | if ($regs[5] < 0) { |
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148 | $regs[5] += 60; |
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149 | } |
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150 | } else { |
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151 | $regs[4] = $regs[4] + $h; |
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152 | if ($regs[4] > 23) { |
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153 | $regs[4] -= 24; |
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154 | } |
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155 | $regs[5] = $regs[5] + $m; |
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156 | if ($regs[5] > 59) { |
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157 | $regs[5] -= 60; |
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158 | } |
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159 | } |
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160 | } |
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161 | return $regs; |
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162 | } |
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163 | |
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164 | return false; |
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165 | } |
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166 | |
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167 | /** |
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168 | * Returns an ISO 8601 formatted UTC date/time string. |
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169 | * |
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170 | * @param string|integer $datestr @see SOAP_Type_dateTime::_split |
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171 | * |
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172 | * @return string The ISO 8601 formatted UTC date/time string. |
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173 | */ |
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174 | function toUTC($datestr = null) |
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175 | { |
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176 | $regs = $this->_split($datestr); |
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177 | |
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178 | if ($regs) { |
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179 | return sprintf('%04d-%02d-%02dT%02d:%02d:%02dZ', |
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180 | $regs[1], |
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181 | $regs[2], |
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182 | $regs[3], |
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183 | $regs[4], |
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184 | $regs[5], |
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185 | $regs[6]); |
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186 | } |
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187 | |
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188 | return ''; |
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189 | } |
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190 | |
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191 | /** |
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192 | * Returns a unix timestamp. |
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193 | * |
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194 | * @param string|integer $datestr @see SOAP_Type_dateTime::_split |
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195 | * |
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196 | * @return integer The unix timestamp. |
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197 | */ |
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198 | function toUnixtime($datestr = null) |
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199 | { |
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200 | $regs = $this->_split($datestr); |
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201 | if ($regs) { |
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202 | return strtotime(sprintf('%04d-%02d-%02d %02d:%02d:%02dZ', |
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203 | $regs[1], |
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204 | $regs[2], |
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205 | $regs[3], |
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206 | $regs[4], |
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207 | $regs[5], |
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208 | $regs[6])); |
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209 | } |
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210 | return -1; |
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211 | } |
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212 | |
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213 | /** |
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214 | * Compares two dates or this object with a second date. |
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215 | * |
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216 | * @param string|integer $date1 A unix timestamp or ISO 8601 date/time |
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217 | * string. |
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218 | * @param string|integer $date2 A unix timestamp or ISO 8601 date/time |
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219 | * string. If empty, this object is used. |
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220 | * |
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221 | * @return integer The difference between the first and the second date. |
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222 | */ |
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223 | function compare($date1, $date2 = null) |
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224 | { |
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225 | if (is_null($date2)) { |
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226 | $date2 = $date1; |
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227 | $date1 = $this->timestamp; |
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228 | } |
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229 | if (!is_int($date1)) { |
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230 | $date1 = $this->toUnixtime($date1); |
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231 | } |
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232 | if (!is_int($date2)) { |
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233 | $date2 = $this->toUnixtime($date2); |
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234 | } |
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235 | |
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236 | if ($date1 != -1 && $date2 != -1) { |
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237 | return $date1 - $date2; |
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238 | } |
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239 | |
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240 | return -1; |
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241 | } |
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242 | |
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243 | } |
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