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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 |
|---|---|
| 239 | |
| 240 | WP_DEBUG ? include_once( ABSPATH . 'wp-cron.php' ) : @include_once( ABSPATH . 'wp-cron.php' ); |
| 241 | return; |
| 242 | } |
| 243 | |
| 244 | $doing_wp_cron = sprintf( '%.22F', $local_time ); |
| 245 | set_transient( 'doing_cron', $doing_wp_cron ); |
| 246 | |
| 247 | $cron_url = site_url( 'wp-cron.php?doing_wp_cron=' . $doing_wp_cron ); |
| 248 | wp_remote_post( $cron_url, array( 'timeout' => 0.01, 'blocking' => false, 'sslverify' => apply_filters( 'https_local_ssl_verify', true ) ) ); |
| 249 | } |
| 250 | |
| 251 | /** |
| 252 | * Run scheduled callbacks or spawn cron for all scheduled events. |
| 253 | * |
| 254 | * @since 2.1.0 |
| 255 | * |
| 256 | * @return null When doesn't need to run Cron. |
| 257 | */ |