[Sommaire] [Imprimer]

   1  <?php
   2  
   3  function wp_schedule_single_event( $timestamp, $hook, $args = array()) {
   4      $crons = _get_cron_array();
   5      $key = md5(serialize($args));
   6      $crons[$timestamp][$hook][$key] = array( 'schedule' => false, 'args' => $args );
   7      uksort( $crons, "strnatcasecmp" );
   8      _set_cron_array( $crons );
   9  }
  10  
  11  function wp_schedule_event( $timestamp, $recurrence, $hook, $args = array()) {
  12      $crons = _get_cron_array();
  13      $schedules = wp_get_schedules();
  14      $key = md5(serialize($args));
  15      if ( !isset( $schedules[$recurrence] ) )
  16          return false;
  17      $crons[$timestamp][$hook][$key] = array( 'schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval'] );
  18      uksort( $crons, "strnatcasecmp" );
  19      _set_cron_array( $crons );
  20  }
  21  
  22  function wp_reschedule_event( $timestamp, $recurrence, $hook, $args = array()) {
  23      $crons = _get_cron_array();
  24      $schedules = wp_get_schedules();
  25      $key = md5(serialize($args));
  26      $interval = 0;
  27  
  28      // First we try to get it from the schedule
  29      if ( 0 == $interval )
  30          $interval = $schedules[$recurrence]['interval'];
  31      // Now we try to get it from the saved interval in case the schedule disappears
  32      if ( 0 == $interval )
  33          $interval = $crons[$timestamp][$hook][$key]['interval'];
  34      // Now we assume something is wrong and fail to schedule
  35      if ( 0 == $interval )
  36          return false;
  37  
  38      while ( $timestamp < time() + 1 )
  39          $timestamp += $interval;
  40  
  41      wp_schedule_event( $timestamp, $recurrence, $hook, $args );
  42  }
  43  
  44  function wp_unschedule_event( $timestamp, $hook, $args = array() ) {
  45      $crons = _get_cron_array();
  46      $key = md5(serialize($args));
  47      unset( $crons[$timestamp][$hook][$key] );
  48      if ( empty($crons[$timestamp][$hook]) )
  49          unset( $crons[$timestamp][$hook] );
  50      if ( empty($crons[$timestamp]) )
  51          unset( $crons[$timestamp] );
  52      _set_cron_array( $crons );
  53  }
  54  
  55  function wp_clear_scheduled_hook( $hook ) {
  56      $args = array_slice( func_get_args(), 1 );
  57      
  58      while ( $timestamp = wp_next_scheduled( $hook, $args ) )
  59          wp_unschedule_event( $timestamp, $hook, $args );
  60  }
  61  
  62  function wp_next_scheduled( $hook, $args = array() ) {
  63      $crons = _get_cron_array();
  64      $key = md5(serialize($args));
  65      if ( empty($crons) )
  66          return false;
  67      foreach ( $crons as $timestamp => $cron ) {
  68          if ( isset( $cron[$hook][$key] ) )
  69              return $timestamp;
  70      }
  71      return false;
  72  }
  73  
  74  function spawn_cron() {
  75      $crons = _get_cron_array();
  76      
  77      if ( !is_array($crons) )
  78          return;
  79      
  80      $keys = array_keys( $crons );
  81      if ( array_shift( $keys ) > time() )
  82          return;
  83  
  84      $cron_url = get_option( 'siteurl' ) . '/wp-cron.php';
  85      $parts = parse_url( $cron_url );
  86  
  87      $argyle = @ fsockopen( $parts['host'], $_SERVER['SERVER_PORT'], $errno, $errstr, 0.01 );
  88      if ( $argyle )
  89          fputs( $argyle,
  90                "GET {$parts['path']}?check=" . md5(DB_PASS . '187425') . " HTTP/1.0\r\n"
  91              . "Host: {$_SERVER['HTTP_HOST']}\r\n\r\n"
  92          );
  93  }
  94  
  95  function wp_cron() {
  96      // Prevent infinite loops caused by lack of wp-cron.php
  97      if ( strpos($_SERVER['REQUEST_URI'], '/wp-cron.php') !== false )
  98          return;
  99  
 100      $crons = _get_cron_array();
 101      
 102      if ( !is_array($crons) )
 103          return;
 104  
 105      $keys = array_keys( $crons );
 106      if ( isset($keys[0]) && $keys[0] > time() )
 107          return;
 108  
 109      $schedules = wp_get_schedules();
 110      foreach ( $crons as $timestamp => $cronhooks ) {
 111          if ( $timestamp > time() ) break;
 112          foreach ( $cronhooks as $hook => $args ) {
 113              if ( isset($schedules[$hook]['callback']) && !call_user_func( $schedules[$hook]['callback'] ) )
 114                  continue;
 115              spawn_cron();
 116              break 2;
 117          }
 118      }
 119  }
 120  
 121  function wp_get_schedules() {
 122      $schedules = array(
 123          'hourly' => array( 'interval' => 3600, 'display' => __('Once Hourly') ),
 124          'daily' => array( 'interval' => 86400, 'display' => __('Once Daily') ),
 125      );
 126      return array_merge( apply_filters( 'cron_schedules', array() ), $schedules );
 127  }
 128  
 129  function wp_get_schedule($hook, $args = array()) {
 130      $crons = _get_cron_array();
 131      $key = md5(serialize($args));
 132      if ( empty($crons) )
 133          return false;
 134      foreach ( $crons as $timestamp => $cron ) {
 135          if ( isset( $cron[$hook][$key] ) )
 136              return $cron[$hook][$key]['schedule'];
 137      }
 138      return false;
 139  }
 140  
 141  //
 142  // Private functions
 143  //
 144  
 145  function _get_cron_array()  {
 146      $cron = get_option('cron');
 147      if ( ! is_array($cron) )
 148          return false;
 149  
 150      if ( !isset($cron['version']) )
 151          $cron = _upgrade_cron_array($cron);
 152  
 153      unset($cron['version']);
 154  
 155      return $cron;
 156  }
 157  
 158  function _set_cron_array($cron) {
 159      $cron['version'] = 2;
 160      update_option( 'cron', $cron );
 161  }
 162  
 163  function _upgrade_cron_array($cron) {
 164      if ( isset($cron['version']) && 2 == $cron['version'])
 165          return $cron;
 166  
 167      $new_cron = array();
 168  
 169      foreach ($cron as $timestamp => $hooks) {
 170          foreach ( $hooks as $hook => $args ) {
 171              $key = md5(serialize($args['args']));
 172              $new_cron[$timestamp][$hook][$key] = $args;
 173          }
 174      }
 175  
 176      $new_cron['version'] = 2;
 177      update_option( 'cron', $new_cron );
 178      return $new_cron;
 179  }
 180  
 181  ?>