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/src/includes/admin/tools/ -> converter.php (source)

   1  <?php
   2  
   3  /**
   4   * bbPress Converter
   5   *
   6   * Based on the hard work of Adam Ellis
   7   *
   8   * @package bbPress
   9   * @subpackage Administration
  10   */
  11  
  12  // Exit if accessed directly
  13  defined( 'ABSPATH' ) || exit;
  14  
  15  /**
  16   * Return an array of available converters
  17   *
  18   * @since 2.6.0 bbPress (r6447)
  19   *
  20   * @return array
  21   */
  22  function bbp_get_converters() {
  23      static $files = array();
  24  
  25      // Only hit the file system one time per page load
  26      if ( empty( $files ) ) {
  27  
  28          // Open the converter directory
  29          $path   = bbp_setup_converter()->converters_dir;
  30          $curdir = opendir( $path );
  31  
  32          // Look for the converter file in the converters directory
  33          if ( false !== $curdir ) {
  34              while ( $file = readdir( $curdir ) ) {
  35                  if ( stristr( $file, '.php' ) && stristr( $file, 'index' ) === false ) {
  36                      $name = preg_replace( '/.php/', '', $file );
  37                      if ( 'Example' !== $name ) {
  38                          $files[ $name ] = $path . $file;
  39                      }
  40                  }
  41              }
  42          }
  43  
  44          // Close the directory
  45          closedir( $curdir );
  46  
  47          // Sort keys alphabetically, ignoring upper/lower casing
  48          if ( ! empty( $files ) ) {
  49              natcasesort( $files );
  50          }
  51      }
  52  
  53      // Filter & return
  54      return (array) apply_filters( 'bbp_get_converters', $files );
  55  }
  56  
  57  /**
  58   * This is a function that is purposely written to look like a "new" statement.
  59   * It is basically a dynamic loader that will load in the platform conversion
  60   * of your choice.
  61   *
  62   * @since 2.0.0
  63   *
  64   * @param string $platform Name of valid platform class.
  65   *
  66   * @return mixed Object if converter exists, null if not
  67   */
  68  function bbp_new_converter( $platform = '' ) {
  69  
  70      // Default converter
  71      $converter = null;
  72  
  73      // Bail if no platform
  74      if ( empty( $platform ) ) {
  75          return $converter;
  76      }
  77  
  78      // Get the available converters
  79      $converters = bbp_get_converters();
  80  
  81      // Get the converter file form converters array
  82      $converter_file = isset( $converters[ $platform ] )
  83          ? $converters[ $platform ]
  84          : '';
  85  
  86      // Try to create a new converter object
  87      if ( ! empty( $converter_file ) ) {
  88  
  89          // Try to include the converter
  90          @include_once $converter_file;
  91  
  92          // Try to instantiate the converter object
  93          if ( class_exists( $platform ) ) {
  94              $converter = new $platform;
  95          }
  96      }
  97  
  98      // Filter & return
  99      return apply_filters( 'bbp_new_converter', $converter, $platform );
 100  }


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