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<?php /** * Helper functions for checking values. * * @package Meta Box */ /** * Helper class for checking values. * * @package Meta Box */ class RWMB_Helpers_Value { /** * Check if a value is valid for field (not empty "WordPress way"), e.g. equals to empty string or array. * * @param mixed $value Input value. * @return bool */ public static function is_valid_for_field( $value ) { return '' !== $value && array() !== $value; } /** * Check if a value is valid for attribute. * * @param mixed $value Input value. * @return bool */ public static function is_valid_for_attribute( $value ) { return '' !== $value && false !== $value; } }
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