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<?php |
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|
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namespace Hurrytimer\Placeholders; |
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|
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use Hurrytimer\Campaign; |
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|
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class Placeholder_Factory |
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{ |
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|
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/** |
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* Parse placeholders in the given string. |
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* |
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* @param string $string |
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* @param Campaign $campaign |
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* @return string |
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*/ |
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public static function parse( $string, $campaign ) |
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{ |
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$replacements = []; |
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|
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$placeholders = static::find_placeholder( $string ); |
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|
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foreach ( $placeholders as $variabele => $placeholder ) { |
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|
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$options = static::parse_placeholder( $placeholder ); |
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|
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$class = __NAMESPACE__ . '\\' . ucfirst( $options[ 0 ] ) . '_Placeholder'; |
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|
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if ( class_exists( $class ) ) { |
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|
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/** |
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* @var Placeholder $placeholder_object |
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*/ |
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$placeholder_object = ( new $class( $campaign ) ); |
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$replacements[$variabele] = $placeholder_object->get_value( $options[ 1 ] ); |
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} |
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} |
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|
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return str_replace( array_keys( $replacements ), array_values( $replacements ), $string ); |
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|
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} |
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|
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/** |
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* Parse placeholder and options. |
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* |
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* @param $placeholder |
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* @return array |
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*/ |
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private static function parse_placeholder( $placeholder ) |
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{ |
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$options = explode( '|', $placeholder ); |
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$name = $options[ 0 ]; |
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array_shift( $options ); |
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return [ $name, $options ]; |
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} |
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|
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/** |
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* @param string $string |
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* @return array |
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*/ |
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private static function find_placeholder( $string ) |
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{ |
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preg_match_all( '/\{{1,2}([a-z\|?]+)\}{1,2}/', $string, $matches ); |
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return array_combine($matches[0], $matches[1]); |
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} |
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|
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} |
