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Edit File: ValueRegexRule.php
<?php namespace WPDesk\FCF\Free\Validator\Rule; use WPDesk\FCF\Free\Settings\Option\RegexPhoneOption; use WPDesk\FCF\Free\Validator\Error\InvalidRegexError; /** * Checks that value is valid. */ class ValueRegexRule implements ValidatorRule { /** * {@inheritdoc} */ public function validate_value( string $value, array $field_data ) { $validation_regex = $field_data[ RegexPhoneOption::FIELD_NAME ]; if ( ( $validation_regex === '' ) || ( $value === '' ) || preg_match( '/^' . $validation_regex . '$/', $value ) ) { return null; } return new InvalidRegexError( $field_data, $value ); } }