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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 |
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571 | * Fires for each custom column in the Media list table. |
572 | * |
573 | * Custom columns are registered using the {@see 'manage_media_columns'} filter. |
574 | * |
575 | * @since 2.5.0 |
576 | * |
577 | * @param string $column_name Name of the custom column. |
578 | * @param int $post_id Attachment ID. |
579 | */ |
580 | do_action( 'manage_media_custom_column', $column_name, $post->ID ); |
581 | } |
582 |
|
583 | /** |
584 | * |
585 | * @global WP_Post $post |
586 | */ |
587 | public function display_rows() { |
588 | global $post, $wp_query; |
589 |
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