1 files changed, 113 insertions, 0 deletions
diff --git a/wp-includes/cron.php b/wp-includes/cron.php
new file mode 100644
index 0000000..bab3bf6
--- /dev/null
+++ b/wp-includes/cron.php
@@ -0,0 +1,113 @@
+<?php
+
+function wp_schedule_single_event( $timestamp, $hook ) {
+	$args = array_slice( func_get_args(), 2 );
+	$crons = get_option( 'cron' );
+	$crons[$timestamp][$hook] = array( 'schedule' => false, 'args' => $args );
+	ksort( $crons );
+	update_option( 'cron', $crons );
+}
+
+function wp_schedule_event( $timestamp, $recurrence, $hook ) {
+	$args = array_slice( func_get_args(), 3 );
+	$crons = get_option( 'cron' );
+	$schedules = wp_get_schedules();
+	if ( !isset( $schedules[$recurrence] ) )
+		return false;
+	$crons[$timestamp][$hook] = array( 'schedule' => $recurrence, 'args' => $args, 'interval' => $schedules[$recurrence]['interval'] );
+	ksort( $crons );
+	update_option( 'cron', $crons );
+}
+
+function wp_reschedule_event( $timestamp, $recurrence, $hook ) {
+	$args = array_slice( func_get_args(), 3 );
+	$crons = get_option( 'cron' );
+	$schedules = wp_get_schedules();
+	$interval = 0;
+
+	// First we try to get it from the schedule
+	if ( 0 == $interval )
+		$interval = $schedules[$recurrence]['interval'];
+	// Now we try to get it from the saved interval in case the schedule disappears
+	if ( 0 == $interval )
+		$interval = $crons[$timestamp][$hook]['interval'];
+	// Now we assume something is wrong and fail to schedule
+	if ( 0 == $interval )
+		return false;
+
+	while ( $timestamp < time() + 1 )
+		$timestamp += $interval;
+
+	wp_schedule_event( $timestamp, $recurrence, $hook );
+}
+
+function wp_unschedule_event( $timestamp, $hook ) {
+	$crons = get_option( 'cron' );
+	unset( $crons[$timestamp][$hook] );
+	if ( empty($crons[$timestamp]) )
+		unset( $crons[$timestamp] );
+	update_option( 'cron', $crons );
+}
+
+function wp_clear_scheduled_hook( $hook ) {
+	while ( $timestamp = wp_next_scheduled( $hook ) )
+		wp_unschedule_event( $timestamp, $hook );
+}
+
+function wp_next_scheduled( $hook ) {
+	$crons = get_option( 'cron' );
+	if ( empty($crons) )
+		return false;
+	foreach ( $crons as $timestamp => $cron )
+		if ( isset( $cron[$hook] ) )
+			return $timestamp;
+	return false;
+}
+
+function spawn_cron() {
+	$keys = array_keys( get_option( 'cron' ) );
+	if ( array_shift( $keys ) > time() )
+		return;
+
+	$cron_url = get_settings( 'siteurl' ) . '/wp-cron.php';
+	$parts = parse_url( $cron_url );
+
+	$argyle = @ fsockopen( $parts['host'], $_SERVER['SERVER_PORT'], $errno, $errstr, 0.01 );
+	if ( $argyle )
+		fputs( $argyle,
+			  "GET {$parts['path']}?check=" . md5(DB_PASS . '187425') . " HTTP/1.0\r\n"
+			. "Host: {$_SERVER['HTTP_HOST']}\r\n\r\n"
+		);
+}
+
+function wp_cron() {
+	$crons = get_option( 'cron' );
+	
+	if ( !is_array($crons) )
+		return;
+
+	$keys = array_keys( $crons );
+	if ( array_shift( $keys ) > time() )
+		return;
+
+	$schedules = wp_get_schedules();
+	foreach ( $crons as $timestamp => $cronhooks ) {
+		if ( $timestamp > time() ) break;
+		foreach ( $cronhooks as $hook => $args ) {
+			if ( isset($schedules[$hook]['callback']) && !call_user_func( $schedules[$hook]['callback'] ) )
+				continue;
+			spawn_cron();
+			break 2;
+		}
+	}
+}
+
+function wp_get_schedules() {
+	$schedules = array(
+		'hourly' => array( 'interval' => 3600, 'display' => __('Once Hourly') ),
+		'daily' => array( 'interval' => 86400, 'display' => __('Once Daily') ),
+	);
+	return array_merge( apply_filters( 'cron_schedules', array() ), $schedules );
+}
+
+?>