wp_ajax_delete_meta()

Uses · 6

• check_ajax_referer()Verifies the Ajax request to prevent processing requests external of the blog.
• get_metadata_by_mid()Retrieves metadata by meta ID.
• wp_die()Kills WordPress execution and displays HTML page with an error message.
• is_protected_meta()Determines whether a meta key is considered protected.
• current_user_can()Returns whether the current user has the specified capability.
• delete_meta()Deletes post meta data by meta ID.

Source

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845function wp_ajax_delete_meta() {846	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;847 848	check_ajax_referer( "delete-meta_$id" );849	$meta = get_metadata_by_mid( 'post', $id );850 851	if ( ! $meta ) {852		wp_die( 1 );853	}854 855	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) {856		wp_die( -1 );857	}858 859	if ( delete_meta( $meta->meta_id ) ) {860		wp_die( 1 );861	}862 863	wp_die( 0 );864}

History

Introduced in 3.1.0. Unchanged from 6.7.7 through 7.1.0.

1. 6.7.7
2. 6.8.8
3. 6.9.7
4. 7.0.4
5. 7.1.0

Signature, return type and hooks compared across 5 parsed releases.

About this page

Parsed data

Generated from the wordpress-develop 6.9.7 tag, from src/wp-admin/includes/ajax-actions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.

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