summaryrefslogtreecommitdiff
path: root/www/crm/wp-cron.php
diff options
context:
space:
mode:
authorYaco <franco@reevo.org>2020-06-04 11:01:00 -0300
committerYaco <franco@reevo.org>2020-06-04 11:01:00 -0300
commitfc7369835258467bf97eb64f184b93691f9a9fd5 (patch)
treedaabd60089d2dd76d9f5fb416b005fbe159c799d /www/crm/wp-cron.php
first commit
Diffstat (limited to 'www/crm/wp-cron.php')
-rw-r--r--www/crm/wp-cron.php147
1 files changed, 147 insertions, 0 deletions
diff --git a/www/crm/wp-cron.php b/www/crm/wp-cron.php
new file mode 100644
index 00000000..ca478e4c
--- /dev/null
+++ b/www/crm/wp-cron.php
@@ -0,0 +1,147 @@
+<?php
+/**
+ * A pseudo-CRON daemon for scheduling WordPress tasks
+ *
+ * WP Cron is triggered when the site receives a visit. In the scenario
+ * where a site may not receive enough visits to execute scheduled tasks
+ * in a timely manner, this file can be called directly or via a server
+ * CRON daemon for X number of times.
+ *
+ * Defining DISABLE_WP_CRON as true and calling this file directly are
+ * mutually exclusive and the latter does not rely on the former to work.
+ *
+ * The HTTP request to this file will not slow down the visitor who happens to
+ * visit when the cron job is needed to run.
+ *
+ * @package WordPress
+ */
+
+ignore_user_abort( true );
+
+/* Don't make the request block till we finish, if possible. */
+if ( function_exists( 'fastcgi_finish_request' ) && version_compare( phpversion(), '7.0.16', '>=' ) ) {
+ fastcgi_finish_request();
+}
+
+if ( ! empty( $_POST ) || defined( 'DOING_AJAX' ) || defined( 'DOING_CRON' ) ) {
+ die();
+}
+
+/**
+ * Tell WordPress we are doing the CRON task.
+ *
+ * @var bool
+ */
+define( 'DOING_CRON', true );
+
+if ( ! defined( 'ABSPATH' ) ) {
+ /** Set up WordPress environment */
+ require_once( dirname( __FILE__ ) . '/wp-load.php' );
+}
+
+/**
+ * Retrieves the cron lock.
+ *
+ * Returns the uncached `doing_cron` transient.
+ *
+ * @ignore
+ * @since 3.3.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @return string|false Value of the `doing_cron` transient, 0|false otherwise.
+ */
+function _get_cron_lock() {
+ global $wpdb;
+
+ $value = 0;
+ if ( wp_using_ext_object_cache() ) {
+ /*
+ * Skip local cache and force re-fetch of doing_cron transient
+ * in case another process updated the cache.
+ */
+ $value = wp_cache_get( 'doing_cron', 'transient', true );
+ } else {
+ $row = $wpdb->get_row( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s LIMIT 1", '_transient_doing_cron' ) );
+ if ( is_object( $row ) ) {
+ $value = $row->option_value;
+ }
+ }
+
+ return $value;
+}
+
+$crons = wp_get_ready_cron_jobs();
+if ( empty( $crons ) ) {
+ die();
+}
+
+$gmt_time = microtime( true );
+
+// The cron lock: a unix timestamp from when the cron was spawned.
+$doing_cron_transient = get_transient( 'doing_cron' );
+
+// Use global $doing_wp_cron lock otherwise use the GET lock. If no lock, trying grabbing a new lock.
+if ( empty( $doing_wp_cron ) ) {
+ if ( empty( $_GET['doing_wp_cron'] ) ) {
+ // Called from external script/job. Try setting a lock.
+ if ( $doing_cron_transient && ( $doing_cron_transient + WP_CRON_LOCK_TIMEOUT > $gmt_time ) ) {
+ return;
+ }
+ $doing_cron_transient = $doing_wp_cron = sprintf( '%.22F', microtime( true ) );
+ set_transient( 'doing_cron', $doing_wp_cron );
+ } else {
+ $doing_wp_cron = $_GET['doing_wp_cron'];
+ }
+}
+
+/*
+ * The cron lock (a unix timestamp set when the cron was spawned),
+ * must match $doing_wp_cron (the "key").
+ */
+if ( $doing_cron_transient != $doing_wp_cron ) {
+ return;
+}
+
+foreach ( $crons as $timestamp => $cronhooks ) {
+ if ( $timestamp > $gmt_time ) {
+ break;
+ }
+
+ foreach ( $cronhooks as $hook => $keys ) {
+
+ foreach ( $keys as $k => $v ) {
+
+ $schedule = $v['schedule'];
+
+ if ( $schedule != false ) {
+ $new_args = array( $timestamp, $schedule, $hook, $v['args'] );
+ call_user_func_array( 'wp_reschedule_event', $new_args );
+ }
+
+ wp_unschedule_event( $timestamp, $hook, $v['args'] );
+
+ /**
+ * Fires scheduled events.
+ *
+ * @ignore
+ * @since 2.1.0
+ *
+ * @param string $hook Name of the hook that was scheduled to be fired.
+ * @param array $args The arguments to be passed to the hook.
+ */
+ do_action_ref_array( $hook, $v['args'] );
+
+ // If the hook ran too long and another cron process stole the lock, quit.
+ if ( _get_cron_lock() != $doing_wp_cron ) {
+ return;
+ }
+ }
+ }
+}
+
+if ( _get_cron_lock() == $doing_wp_cron ) {
+ delete_transient( 'doing_cron' );
+}
+
+die();