wp_ajax_delete_meta()

Handles deleting meta via AJAX.

Source

function wp_ajax_delete_meta() {	$id = isset( $_POST['id'] ) ? (int) $_POST['id'] : 0;	check_ajax_referer( "delete-meta_$id" );	$meta = get_metadata_by_mid( 'post', $id );	if ( ! $meta ) {	wp_die( 1 );	}	if ( is_protected_meta( $meta->meta_key, 'post' ) || ! current_user_can( 'delete_post_meta', $meta->post_id, $meta->meta_key ) ) {	wp_die( -1 );	}	if ( delete_meta( $meta->meta_id ) ) {	wp_die( 1 );	}	wp_die( 0 ); }

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

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Changelog

Version	Description
3.1.0	Introduced.

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wp_ajax_delete_meta()

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