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<?php trait LazyGetSet { private $useFluentSetter = true; /** * Change fluent setter. */ public function setFluentSetter($flag) { $this->useFluentSetter = $flag; } public function __call($method, $args) { if ((0 === strpos($method, 'get')) && ($ptyName = $this->getLazyPropertyName($method))) { return $this->lazyGet($ptyName, $args); } if ((0 === strpos($method, 'set')) && ($ptyName = $this->getLazyPropertyName($method))) { return $this->lazySet($ptyName, $args); } } /** * Detect property name from setter/getter methods. */ private function getLazyPropertyName($method) { $ptyName = lcfirst(substr($method, 3)); if (property_exists($this, $ptyName)) { return $ptyName; } } /** * Get property value */ private function lazyGet($ptyName) { return $this->{$ptyName}; } /** * Inject property value. * * @todo Validate data type */ private function lazySet($ptyName, $args) { if($this->validate($ptyName, $args[0])) { $this->{$ptyName} = $args[0]; } if ($this->useFluentSetter) { return $this; } } private function validate($variable_name, $variable_value) { $hints = $this->getPropertyHintType(__CLASS__, $variable_name); if(isset($hints['@var'])) { $validateCallback = array( 'string' => 'is_string', 'integer' => 'is_integer', 'array' => 'is_array', 'float' => 'is_float', 'double' => 'is_double', 'boolean' => 'is_bool', 'object' => 'is_object', 'resource' => 'is_resource', ); if(isset($validateCallback[$hints['@var']])) { return call_user_func($validateCallback[$hints['@var']], $variable_value); } else { return $variable_value instanceof $hints['@var']; } } } public function getPropertyHintType($className, $propertyName) { $class = new ReflectionClass($className); $match = array(); $docs = array(); foreach(explode("\n",(str_replace(array('*', '/'),'', $class->getProperty($propertyName)->getDocComment()))) as $doc) { $docs[] = trim($doc); } $return = array(); foreach(array_filter($docs) as $doc) { $match = array(); preg_match('/^([@].*)\ (.*)$/', $doc, $match); if($match){ $return[$match[1]] = trim($match[2]); } } return $return; } } namespace quyentest; class MyClass { use LazyGetSet; /** * @var integer */ private $name; /** * @var MyClass */ private $instant; } //echo (new MyClass())->setName(123)->getName(); $MyClass = new MyClass(); echo $MyClass->setInstant('a')->getInstant();
based on NsnID
Output for 5.4.0 - 5.4.32
Fatal error: Namespace declaration statement has to be the very first statement in the script in /in/9aoLJ on line 103
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/9aoLJ on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/9aoLJ on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9aoLJ on line 3
Process exited with code 255.