File: /home/sps/public_html/wp-content/plugins/nextgen-gallery/src/Util/URL.php
<?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 ] );
}
}