[Sommaire] [Imprimer]

   1  <?php
   2  # Mantis - a php based bugtracking system
   3  
   4  # Copyright (C) 2000 - 2002  Kenzaburo Ito - kenito@300baud.org
   5  # Copyright (C) 2002 - 2007  Mantis Team   - mantisbt-dev@lists.sourceforge.net
   6  
   7  # Mantis is free software: you can redistribute it and/or modify
   8  # it under the terms of the GNU General Public License as published by
   9  # the Free Software Foundation, either version 2 of the License, or
  10  # (at your option) any later version.
  11  #
  12  # Mantis is distributed in the hope that it will be useful,
  13  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  # GNU General Public License for more details.
  16  #
  17  # You should have received a copy of the GNU General Public License
  18  # along with Mantis.  If not, see <http://www.gnu.org/licenses/>.
  19  
  20      # --------------------------------------------------------
  21      # $Id: php_api.php,v 1.19.2.1 2007-10-13 22:35:38 giallu Exp $
  22      # --------------------------------------------------------
  23  
  24      ### PHP Compatibility API ###
  25  
  26      # Functions to help in backwards compatibility of PHP versions, etc.
  27  
  28      # Constant for our minimum required PHP version
  29      define( 'PHP_MIN_VERSION', '4.3.0' );
  30  
  31      # cache array of comparisons
  32      $g_cached_version = array();
  33  
  34      # --------------------
  35      # Returns true if the current PHP version is higher than the one
  36      #  specified in the given string
  37  	function php_version_at_least( $p_version_string ) {
  38          global $g_cached_version;
  39  
  40          if ( isset( $g_cached_version[$p_version_string] ) ) {
  41              return $g_cached_version[$p_version_string];
  42          }
  43  
  44          $t_curver = array_pad( explode( '.', phpversion() ), 3, 0 );
  45          $t_minver = array_pad( explode( '.', $p_version_string ), 3, 0 );
  46  
  47          for ($i = 0 ; $i < 3 ; $i = $i + 1 ) {
  48              $t_cur = (int)$t_curver[$i];
  49              $t_min = (int)$t_minver[$i];
  50  
  51              if ( $t_cur < $t_min ) {
  52                  $g_cached_version[$p_version_string] = false;
  53                  return false;
  54              } else if ( $t_cur > $t_min ) {
  55                  $g_cached_version[$p_version_string] = true;
  56                  return true;
  57              }
  58          }
  59  
  60          # if we get here, the versions must match exactly so:
  61          $g_cached_version[$p_version_string] = true;
  62          return true;
  63      }
  64  
  65      # --------------------
  66      # Enforce our minimum requirements
  67      if ( !php_version_at_least( PHP_MIN_VERSION ) ) {
  68          @ob_end_clean();
  69          PRINT '<b>FATAL ERROR: Your version of PHP is too old.  Mantis requires PHP version ' . PHP_MIN_VERSION . ' or newer</b><br />Your version of PHP is version ' . phpversion();
  70          die();
  71      }
  72  
  73      # --------------------
  74      ini_set('magic_quotes_runtime', 0);
  75  
  76      # --------------------
  77      # file_put_contents is normally in PEAR
  78      if (!function_exists('file_put_contents')) {
  79  		function file_put_contents($filename, $data) {
  80              if (($h = fopen($filename, 'w')) === false) {
  81                  return false;
  82              }
  83              if (($bytes = @fwrite($h, $data)) === false) {
  84                  return false;
  85              }
  86              fclose($h);
  87              return $bytes;
  88          }
  89      }
  90  
  91      # --------------------
  92      # vsprintf is normally in PEAR
  93      if ( !function_exists( 'vsprintf' ) ) {
  94  		function vsprintf( $format, $args ) {
  95              array_unshift( $args, $format );
  96              return call_user_func_array( 'sprintf', $args );
  97          }
  98      }
  99  
 100  ?>