Converts a comma- or space-separated list of scalar values to an array.

Parameters

$input_listarray|stringrequired

List of values.

Return

Source

function wp_parse_list( $input_list ) {
	if ( ! is_array( $input_list ) ) {
		return preg_split( '/[\s,]+/', $input_list, -1, PREG_SPLIT_NO_EMPTY );
	}

	// Validate all entries of the list are scalar.
	$input_list = array_filter( $input_list, 'is_scalar' );

	return $input_list;
}

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