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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 |
---|---|
3990 |
|
3991 | if ( current_user_can( 'delete_post', $attachment->ID ) ) { |
3992 | $response['nonces']['delete'] = wp_create_nonce( 'delete-post_' . $attachment->ID ); |
3993 | } |
3994 |
|
3995 | if ( $meta && ( 'image' === $type || ! empty( $meta['sizes'] ) ) ) { |
3996 | $sizes = array(); |
3997 |
|
3998 | /** This filter is documented in wp-admin/includes/media.php */ |
3999 | $possible_sizes = apply_filters( |
4000 | 'image_size_names_choose', |
4001 | array( |
4002 | 'thumbnail' => __( 'Thumbnail' ), |
4003 | 'medium' => __( 'Medium' ), |
4004 | 'large' => __( 'Large' ), |
4005 | 'full' => __( 'Full Size' ), |
4006 | ) |
4007 | ); |
4008 | unset( $possible_sizes['full'] ); |