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<?php |
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namespace Pronamic\WordPress\Pay\Gateways\IDealBasic; |
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/** |
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* Title: iDEAL Basic data helper class |
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* Description: |
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* Copyright: 2005-2020 Pronamic |
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* Company: Pronamic |
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* |
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* @author Remco Tolsma |
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* @version 2.0.0 |
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* @since 1.0.1 |
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* @see http://pronamic.nl/wp-content/uploads/2011/12/IDealBasic_EN_v2.3.pdf |
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*/ |
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class DataHelper { |
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/** |
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* Alphanumerical, free text |
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* |
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* The iDEAL Basic documentation is not very clear about which characters |
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* are allowed within the alphanumeric (AN) specification. Pronamic |
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* contacted some of the iDEAL providers and the ING Customer Support |
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* Desk ([email protected]) replied with the following message (Dutch): |
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* |
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* > Naast A-Z, a-z en 0-9 is alleen de spatie nog een geaccepteerd teken binnen AN. |
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* > |
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* > Andere karakters zijn niet toegestaan. Het is met name belangrijk dat er geen html tags in voorkomen.: |
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* |
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* @var array |
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*/ |
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private static $characters_an = array( 'A-Z', 'a-z', '0-9', ' ' ); |
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/** |
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* Strictly alphanumerical (letters and numbers only) |
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* |
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* @var array |
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*/ |
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private static $characters_ans = array( 'A-Z', 'a-z', '0-9' ); |
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/** |
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* Numerical |
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* |
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* @var array |
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*/ |
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private static $characters_n = array( '0-9' ); |
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/** |
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* Filter the specified characters from the string |
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* |
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* @param array $characters |
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* @param string $string |
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* @param int $max |
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* |
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* @return string |
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*/ |
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private static function filter( array $characters, $string, $max = null ) { |
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$pattern = '#[^' . implode( $characters ) . ']#'; |
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$string = preg_replace( $pattern, '', $string ); |
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if ( isset( $max ) ) { |
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$string = substr( $string, 0, $max ); |
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} |
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return $string; |
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} |
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/** |
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* Alphanumerical, free text |
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* |
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* @param string $string |
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* @param string $max |
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* |
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* @return string |
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*/ |
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public static function an( $string, $max = null ) { |
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return self::filter( self::$characters_an, $string, $max ); |
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} |
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public static function an16( $string ) { |
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return self::an( $string, 16 ); |
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} |
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public static function an32( $string ) { |
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return self::an( $string, 32 ); |
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} |
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/** |
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* Strictly alphanumerical (letters and numbers only) |
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* |
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* @param string $string |
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* @param string $max |
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* |
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* @return string |
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*/ |
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public static function ans( $string, $max = null ) { |
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return self::filter( self::$characters_ans, $string, $max ); |
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} |
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public static function ans16( $string ) { |
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return self::ans( $string, 16 ); |
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} |
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public static function ans32( $string ) { |
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return self::ans( $string, 32 ); |
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} |
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/** |
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* Strictly alphanumerical (numbers only) |
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* |
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* @param string $string |
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* @param string $max |
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* |
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* @return string |
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*/ |
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public static function n( $string, $max = null ) { |
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return self::filter( self::$characters_n, $string, $max ); |
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} |
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} |
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wp-pay-gateways /
ideal-basic
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