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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 909 | $cron_request = apply_filters( |
| 910 | 'cron_request', |
| 911 | array( |
| 912 | 'url' => add_query_arg( 'doing_wp_cron', $doing_wp_cron, site_url( 'wp-cron.php' ) ), |
| 913 | 'key' => $doing_wp_cron, |
| 914 | 'args' => array( |
| 915 | 'timeout' => 0.01, |
| 916 | 'blocking' => false, |
| 917 | /** This filter is documented in wp-includes/class-wp-http-streams.php */ |
| 918 | 'sslverify' => apply_filters( 'https_local_ssl_verify', false ), |
| 919 | ), |
| 920 | ), |
| 921 | $doing_wp_cron |
| 922 | ); |
| 923 | |
| 924 | $result = wp_remote_post( $cron_request['url'], $cron_request['args'] ); |
| 925 | return ! is_wp_error( $result ); |
| 926 | } |
| 927 | |