[Sommaire] [Imprimer]

   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: array_combine.php,v 1.21 2005/01/28 02:27:52 aidan Exp $

  19  
  20  
  21  /**

  22   * Replace array_combine()

  23   *

  24   * @category    PHP

  25   * @package     PHP_Compat

  26   * @link        http://php.net/function.array_combine

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

  28   * @version     $Revision: 1.21 $

  29   * @since       PHP 5

  30   * @require     PHP 4.0.0 (user_error)

  31   */
  32  if (!function_exists('array_combine')) {
  33      function array_combine($keys, $values)
  34      {
  35          if (!is_array($keys)) {
  36              user_error('array_combine() expects parameter 1 to be array, ' .
  37                  gettype($keys) . ' given', E_USER_WARNING);
  38              return;
  39          }
  40  
  41          if (!is_array($values)) {
  42              user_error('array_combine() expects parameter 2 to be array, ' .
  43                  gettype($values) . ' given', E_USER_WARNING);
  44              return;
  45          }
  46  
  47          $key_count = count($keys);
  48          $value_count = count($values);
  49          if ($key_count !== $value_count) {
  50              user_error('array_combine() Both parameters should have equal number of elements', E_USER_WARNING);
  51              return false;
  52          }
  53  
  54          if ($key_count === 0 || $value_count === 0) {
  55              user_error('array_combine() Both parameters should have number of elements at least 0', E_USER_WARNING);
  56              return false;
  57          }
  58  
  59          $keys    = array_values($keys);
  60          $values  = array_values($values);
  61  
  62          $combined = array();
  63          for ($i = 0; $i < $key_count; $i++) {
  64              $combined[$keys[$i]] = $values[$i];
  65          }
  66  
  67          return $combined;
  68      }
  69  }
  70  
  71  ?>