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<?php namespace Imagely\NGG\Util; /** * Utility class for URL and request parameter handling. * * Provides methods for safely accessing and validating URL parameters and request data. / class URL { /* * Gets the specified superglobal array by name. * * @param string $source_name The name of the source ('request', 'get', 'post', 'server'). * @return array\|null The superglobal array or null if not found. / public static function get_source( $source_name ) { // Nonce checks are not necessary: nothing is happening here, only the mapping of string to variable. // // phpcs:disable WordPress.Security.NonceVerification.Recommended // phpcs:disable WordPress.Security.NonceVerification.Missing if ( 'request' === $source_name ) { return $_REQUEST; } elseif ( 'get' === $source_name ) { return $_GET; } elseif ( 'post' === $source_name ) { return $_POST; } elseif ( 'server' === $source_name ) { return $_SERVER; } // phpcs:enable WordPress.Security.NonceVerification.Recommended // phpcs:enable WordPress.Security.NonceVerification.Missing } /* * Gets a parameter value from the specified source with validation. * * @param string $name The parameter name to retrieve. * @param string $source The source to get the parameter from. Default 'request'. * @param string $validation_method The validation function to apply. Default 'sanitize_text_field'. * @return mixed\|null The validated parameter value or null if not found. / public static function param( string $name, string $source = 'request', string $validation_method = 'sanitize_text_field' ) { if ( ! self::has_param( $name ) ) { return null; } $source = self::get_source( $source ); return $validation_method( wp_unslash( $source[ $name ] ) ); } /* * Checks if a parameter exists in the specified source. * * @param string $name The parameter name to check. * @param string $source The source to check in. Default 'request'. * @return bool True if the parameter exists, false otherwise. */ public static function has_param( string $name, string $source = 'request' ): bool { $source = self::get_source( $source ); return isset( $source[ $name ] ); } }

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