WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 552 | * in $_REQUEST['history'] |
| 553 | * |
| 554 | * @param int $post_id |
| 555 | * @return bool |
| 556 | */ |
| 557 | function stream_preview_image( $post_id ) { |
| 558 | $post = get_post( $post_id ); |
| 559 | |
| 560 | /** This filter is documented in wp-admin/admin.php */ |
| 561 | @ini_set( 'memory_limit', apply_filters( 'admin_memory_limit', WP_MAX_MEMORY_LIMIT ) ); |
| 562 | |
| 563 | $img = wp_get_image_editor( _load_image_to_edit_path( $post_id ) ); |
| 564 | |
| 565 | if ( is_wp_error( $img ) ) |
| 566 | return false; |
| 567 | |
| 568 | $changes = !empty($_REQUEST['history']) ? json_decode( wp_unslash($_REQUEST['history']) ) : null; |
| 569 | if ( $changes ) |
| 570 | $img = image_edit_apply_changes( $img, $changes ); |