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   1  <?php
   2  // +----------------------------------------------------------------------+

   3  // | PHP Version 4                                                        |

   4  // +----------------------------------------------------------------------+

   5  // | Copyright (c) 1997-2004 The PHP Group                                |

   6  // +----------------------------------------------------------------------+

   7  // | This source file is subject to version 3.0 of the PHP license,       |

   8  // | that is bundled with this package in the file LICENSE, and is        |

   9  // | available at through the world-wide-web at                           |

  10  // | http://www.php.net/license/3_0.txt.                                  |

  11  // | If you did not receive a copy of the PHP license and are unable to   |

  12  // | obtain it through the world-wide-web, please send a note to          |

  13  // | license@php.net so we can mail you a copy immediately.               |

  14  // +----------------------------------------------------------------------+

  15  // | Authors: Aidan Lister <aidan@php.net>                                |

  16  // +----------------------------------------------------------------------+

  17  //

  18  // $Id: file_put_contents.php,v 1.25 2005/12/05 09:25:15 aidan Exp $

  19  
  20  
  21  if (!defined('FILE_USE_INCLUDE_PATH')) {
  22      define('FILE_USE_INCLUDE_PATH', 1);
  23  }
  24  
  25  if (!defined('LOCK_EX')) {
  26      define('LOCK_EX', 2);
  27  }
  28  
  29  if (!defined('FILE_APPEND')) {
  30      define('FILE_APPEND', 8);
  31  }
  32  
  33  
  34  /**

  35   * Replace file_put_contents()

  36   *

  37   * @category    PHP

  38   * @package     PHP_Compat

  39   * @link        http://php.net/function.file_put_contents

  40   * @author      Aidan Lister <aidan@php.net>

  41   * @version     $Revision: 1.25 $

  42   * @internal    resource_context is not supported

  43   * @since       PHP 5

  44   * @require     PHP 4.0.0 (user_error)

  45   */
  46  if (!function_exists('file_put_contents')) {
  47      function file_put_contents($filename, $content, $flags = null, $resource_context = null)
  48      {
  49          // If $content is an array, convert it to a string

  50          if (is_array($content)) {
  51              $content = implode('', $content);
  52          }
  53  
  54          // If we don't have a string, throw an error

  55          if (!is_scalar($content)) {
  56              user_error('file_put_contents() The 2nd parameter should be either a string or an array',
  57                  E_USER_WARNING);
  58              return false;
  59          }
  60  
  61          // Get the length of data to write

  62          $length = strlen($content);
  63  
  64          // Check what mode we are using

  65          $mode = ($flags & FILE_APPEND) ?
  66                      'a' :
  67                      'wb';
  68  
  69          // Check if we're using the include path

  70          $use_inc_path = ($flags & FILE_USE_INCLUDE_PATH) ?
  71                      true :
  72                      false;
  73  
  74          // Open the file for writing

  75          if (($fh = @fopen($filename, $mode, $use_inc_path)) === false) {
  76              user_error('file_put_contents() failed to open stream: Permission denied',
  77                  E_USER_WARNING);
  78              return false;
  79          }
  80  
  81          // Attempt to get an exclusive lock

  82          $use_lock = ($flags & LOCK_EX) ? true : false ;
  83          if ($use_lock === true) {
  84              if (!flock($fh, LOCK_EX)) {
  85                  return false;
  86              }
  87          }
  88  
  89          // Write to the file

  90          $bytes = 0;
  91          if (($bytes = @fwrite($fh, $content)) === false) {
  92              $errormsg = sprintf('file_put_contents() Failed to write %d bytes to %s',
  93                              $length,
  94                              $filename);
  95              user_error($errormsg, E_USER_WARNING);
  96              return false;
  97          }
  98  
  99          // Close the handle

 100          @fclose($fh);
 101  
 102          // Check all the data was written

 103          if ($bytes != $length) {
 104              $errormsg = sprintf('file_put_contents() Only %d of %d bytes written, possibly out of free disk space.',
 105                              $bytes,
 106                              $length);
 107              user_error($errormsg, E_USER_WARNING);
 108              return false;
 109          }
 110  
 111          // Return length

 112          return $bytes;
 113      }
 114  }
 115  
 116  ?>