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delete_usermeta

Definition:
function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {}

Remove user meta data.

Parameters

  • int $user_id: User ID.
  • string $meta_key: Metadata key.
  • mixed $meta_value: Metadata value.

Return values

returns:True deletion completed and false if user_id is not a number.

Defined actions

  • delete_usermeta
    do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );
  • deleted_usermeta
    do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );

Source code

function delete_usermeta( $user_id, $meta_key, $meta_value = '' ) {

	_deprecated_function( __FUNCTION__, '3.0', 'delete_user_meta()' );

	global $wpdb;

	if ( !is_numeric( $user_id ) )

		return false;

	$meta_key = preg_replace('|[^a-z0-9_]|i', '', $meta_key);



	if ( is_array($meta_value) || is_object($meta_value) )

		$meta_value = serialize($meta_value);

	$meta_value = trim( $meta_value );



	$cur = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );



	if ( $cur && $cur->umeta_id )

		do_action( 'delete_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );



	if ( ! empty($meta_value) )

		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s AND meta_value = %s", $user_id, $meta_key, $meta_value) );

	else

		$wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->usermeta WHERE user_id = %d AND meta_key = %s", $user_id, $meta_key) );



	clean_user_cache( $user_id );

	wp_cache_delete( $user_id, 'user_meta' );



	if ( $cur && $cur->umeta_id )

		do_action( 'deleted_usermeta', $cur->umeta_id, $user_id, $meta_key, $meta_value );



	return true;

}

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