rest_get_best_type_for_value

函数
rest_get_best_type_for_value ( $value, $types )
参数
  • (mixed) $value The value to check.
    Required:
  • (array) $types The list of possible types.
    Required:
返回值
  • (string) The best matching type, an empty string if no types match.
定义位置
相关方法
rest_get_route_for_termrest_get_serverrest_get_route_for_postrest_get_route_for_post_type_itemsget_post_custom_values
引入
5.5.0
弃用
-

rest_get_best_type_for_value: 这个函数用来获取给定值的最佳数据类型。它接收一个值并返回该值的最佳数据类型。

获取一个值的最佳类型。

function rest_get_best_type_for_value( $value, $types ) {
	static $checks = array(
		'array'   => 'rest_is_array',
		'object'  => 'rest_is_object',
		'integer' => 'rest_is_integer',
		'number'  => 'is_numeric',
		'boolean' => 'rest_is_boolean',
		'string'  => 'is_string',
		'null'    => 'is_null',
	);

	// Both arrays and objects allow empty strings to be converted to their types.
	// But the best answer for this type is a string.
	if ( '' === $value && in_array( 'string', $types, true ) ) {
		return 'string';
	}

	foreach ( $types as $type ) {
		if ( isset( $checks[ $type ] ) && $checks[ $type ]( $value ) ) {
			return $type;
		}
	}

	return '';
}

常见问题

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