1 | <?php |
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2 | // +----------------------------------------------------------------------+ |
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3 | // | PHP Version 4 | |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | Copyright (c) 1997-2004 The PHP Group | |
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6 | // +----------------------------------------------------------------------+ |
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7 | // | This source file is subject to version 3.0 of the PHP license, | |
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8 | // | that is bundled with this package in the file LICENSE, and is | |
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9 | // | available at through the world-wide-web at | |
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10 | // | http://www.php.net/license/3_0.txt. | |
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11 | // | If you did not receive a copy of the PHP license and are unable to | |
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12 | // | obtain it through the world-wide-web, please send a note to | |
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13 | // | license@php.net so we can mail you a copy immediately. | |
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14 | // +----------------------------------------------------------------------+ |
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15 | // | Authors: Aidan Lister <aidan@php.net> | |
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16 | // +----------------------------------------------------------------------+ |
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17 | // |
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18 | // $Id: file_put_contents.php,v 1.25 2005/12/05 09:25:15 aidan Exp $ |
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19 | |
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20 | |
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21 | if (!defined('FILE_USE_INCLUDE_PATH')) { |
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22 | define('FILE_USE_INCLUDE_PATH', 1); |
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23 | } |
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24 | |
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25 | if (!defined('LOCK_EX')) { |
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26 | define('LOCK_EX', 2); |
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27 | } |
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28 | |
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29 | if (!defined('FILE_APPEND')) { |
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30 | define('FILE_APPEND', 8); |
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31 | } |
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32 | |
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33 | |
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34 | /** |
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35 | * Replace file_put_contents() |
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36 | * |
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37 | * @category PHP |
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38 | * @package PHP_Compat |
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39 | * @link http://php.net/function.file_put_contents |
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40 | * @author Aidan Lister <aidan@php.net> |
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41 | * @version $Revision: 1.25 $ |
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42 | * @internal resource_context is not supported |
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43 | * @since PHP 5 |
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44 | * @require PHP 4.0.0 (user_error) |
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45 | */ |
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46 | if (!function_exists('file_put_contents')) { |
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47 | function file_put_contents($filename, $content, $flags = null, $resource_context = null) |
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48 | { |
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49 | // If $content is an array, convert it to a string |
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50 | if (is_array($content)) { |
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51 | $content = implode('', $content); |
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52 | } |
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53 | |
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54 | // If we don't have a string, throw an error |
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55 | if (!is_scalar($content)) { |
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56 | user_error('file_put_contents() The 2nd parameter should be either a string or an array', |
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57 | E_USER_WARNING); |
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58 | return false; |
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59 | } |
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60 | |
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61 | // Get the length of data to write |
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62 | $length = strlen($content); |
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63 | |
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64 | // Check what mode we are using |
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65 | $mode = ($flags & FILE_APPEND) ? |
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66 | 'a' : |
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67 | 'wb'; |
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68 | |
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69 | // Check if we're using the include path |
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70 | $use_inc_path = ($flags & FILE_USE_INCLUDE_PATH) ? |
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71 | true : |
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72 | false; |
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73 | |
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74 | // Open the file for writing |
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75 | if (($fh = @fopen($filename, $mode, $use_inc_path)) === false) { |
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76 | user_error('file_put_contents() failed to open stream: Permission denied', |
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77 | E_USER_WARNING); |
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78 | return false; |
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79 | } |
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80 | |
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81 | // Attempt to get an exclusive lock |
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82 | $use_lock = ($flags & LOCK_EX) ? true : false ; |
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83 | if ($use_lock === true) { |
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84 | if (!flock($fh, LOCK_EX)) { |
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85 | return false; |
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86 | } |
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87 | } |
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88 | |
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89 | // Write to the file |
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90 | $bytes = 0; |
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91 | if (($bytes = @fwrite($fh, $content)) === false) { |
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92 | $errormsg = sprintf('file_put_contents() Failed to write %d bytes to %s', |
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93 | $length, |
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94 | $filename); |
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95 | user_error($errormsg, E_USER_WARNING); |
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96 | return false; |
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97 | } |
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98 | |
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99 | // Close the handle |
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100 | @fclose($fh); |
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101 | |
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102 | // Check all the data was written |
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103 | if ($bytes != $length) { |
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104 | $errormsg = sprintf('file_put_contents() Only %d of %d bytes written, possibly out of free disk space.', |
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105 | $bytes, |
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106 | $length); |
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107 | user_error($errormsg, E_USER_WARNING); |
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108 | return false; |
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109 | } |
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110 | |
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111 | // Return length |
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112 | return $bytes; |
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113 | } |
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114 | } |
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115 | |
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116 | ?> |
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