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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Data helper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author    Pronamic <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright 2005-2019 Pronamic  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license   GPL-3.0-or-later  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @package   Pronamic\WordPress\Pay\Gateways\OmniKassa2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace Pronamic\WordPress\Pay\Gateways\OmniKassa2;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use InvalidArgumentException;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Data helper  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @link    https://github.com/wp-pay-gateways/ideal-basic/blob/2.0.0/src/DataHelper.php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author  Remco Tolsma  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @version 2.1.0  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @since   2.0.2  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class DataHelper { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Validate AN..$max.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $value Value to validate.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param int    $max   Max length of value.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws InvalidArgumentException Throws invalid argument exception when string is longer then max length.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function validate_an( $value, $max ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( mb_strlen( $value, 'UTF-8' ) > $max ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			throw new InvalidArgumentException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				sprintf(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					'Value "%s" can not be longer then `%d`.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$value,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					$max  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Validate null or AN..$max.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string|null $value Value to validate.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param int         $max   Max length of value.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws InvalidArgumentException Throws invalid argument exception when value is not null and longer then max length.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function validate_null_or_an( $value, $max ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ( null === $value ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return self::validate_an( $value, $max );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Validate HTML special chars.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $value Value to validate.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return bool  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @throws InvalidArgumentException Throws invalid argument exception when value contains HTML special chars.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function validate_html_special_chars( $value ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$html_special_chars = self::get_html_special_chars();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		foreach ( $html_special_chars as $char ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ( false !== mb_strpos( $value, $char ) ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				throw new InvalidArgumentException(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					sprintf(  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						'Value "%s" can not contain the special HTML character `%s`.',  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$value,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                						$char  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return true;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Shorten string to the specified length.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $string String.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param int    $length Length.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public static function shorten( $string, $length ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return mb_strimwidth( $string, 0, $length, '…', 'UTF-8' );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Get HTML special chars.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return array  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	private static function get_html_special_chars() { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		return array(  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			// Ampersand.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'&', // Ampersand (https://unicode-table.com/en/0026/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'&', // Fullwidth Ampersand (https://unicode-table.com/en/FF06/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			// Less-Than.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'<', // Less-Than Sign (https://unicode-table.com/en/003C/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'﹤', // Small Less-Than Sign (https://unicode-table.com/en/FE64/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    118
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                			'<', // Fullwidth Less-Than Sign (https://unicode-table.com/en/FF1C/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			// Greater-Than.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'>', // Greater-Than Sign (https://unicode-table.com/en/003E/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'﹥', // Small Greater-Than Sign (https://unicode-table.com/en/FE65/).  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			'>', // Fullwidth Greater-Than Sign (https://unicode-table.com/en/FF1E/).  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * Replace HTML special chars with fullwidth Unicode characters.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param string $string String.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @return string  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                             4                          | 
                
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                	public static function replace_html_special_chars( $string ) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    134
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                             4                          | 
                
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                		$replacement = '�'; // Replacement Character » https://unicode-table.com/en/FFFD/.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    135
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                    136
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                             4                          | 
                
                 | 
                		return str_replace( self::get_html_special_chars(), $replacement, $string );  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    137
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                                                     | 
                
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                	}  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    138
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                                                     | 
                
                 | 
                }  | 
            
            
                                                        
            
                                    
            
            
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                    139
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                 |