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wp_is_numeric_array( mixed $data )

Determines if the variable is a numeric-indexed array.

Parameters

$data: (mixed) (Required) Variable to check.

Return

(bool) Whether the variable is a list.

Source

File: wp-includes/functions.php

function wp_is_numeric_array( $data ) {
	if ( ! is_array( $data ) ) {
		return false;
	}

	$keys        = array_keys( $data );
	$string_keys = array_filter( $keys, 'is_string' );
	return count( $string_keys ) === 0;
}

Used By

Used By	Description
wp-includes/meta.php: get_metadata_default()	Retrieves default metadata value for the specified meta key and object.
wp-includes/rest-api.php: rest_is_array()	Determines if a given value is array-like.
wp-includes/rest-api.php: rest_filter_response_fields()	Filter the API response to include only a white-listed set of response object fields.
wp-includes/rest-api/class-wp-rest-server.php: WP_REST_Server::response_to_data()	Converts a response to data to send.

Changelog

Version	Description
4.4.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/functions/wp_is_numeric_array