<?php
namespace CarouselSlider\Supports;
defined( 'ABSPATH' ) || exit;
/**
* Validate class
*/
class Validate {
/**
* Check if the url is valid as per RFC 2396 Generic Syntax
*
* @param mixed $url The URL string.
*
* @return bool
*/
public static function url( $url ): bool {
return (bool) filter_var( $url, FILTER_VALIDATE_URL );
}
/**
* If a field has been 'checked' or not, meaning it contains
* one of the following values: 'yes', 'on', '1', 1, true, or 'true'.
* This can be used for determining if an HTML checkbox has been checked.
*
* @param mixed $value The value to be checked.
*
* @return boolean
*/
public static function checked( $value ): bool {
return in_array( $value, [ 'yes', 'on', '1', 1, true, 'true' ], true );
}
/**
* Check if the value is JSON
*
* @param mixed $value The value to be checked.
*
* @return bool
*/
public static function json( $value ): bool {
if ( ! is_string( $value ) ) {
return false;
}
json_decode( $value );
return ( json_last_error() === JSON_ERROR_NONE );
}
}