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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 |
|---|---|
| 350 | * @param string $doing_wp_cron The unix timestamp of the cron lock. |
| 351 | */ |
| 352 | $cron_request = apply_filters( 'cron_request', array( |
| 353 | 'url' => add_query_arg( 'doing_wp_cron', $doing_wp_cron, site_url( 'wp-cron.php' ) ), |
| 354 | 'key' => $doing_wp_cron, |
| 355 | 'args' => array( |
| 356 | 'timeout' => 0.01, |
| 357 | 'blocking' => false, |
| 358 | /** This filter is documented in wp-includes/class-wp-http-streams.php */ |
| 359 | 'sslverify' => apply_filters( 'https_local_ssl_verify', false ) |
| 360 | ) |
| 361 | ), $doing_wp_cron ); |
| 362 | |
| 363 | wp_remote_post( $cron_request['url'], $cron_request['args'] ); |
| 364 | } |
| 365 | |
| 366 | /** |
| 367 | * Run scheduled callbacks or spawn cron for all scheduled events. |
| 368 | * |