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run code in 150+ php & hhvm versions
Bugs & Features
<?php /** * @author Quyen Bui <buiquyen1995@gmail.com> */ 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. * * @param string $ptyName * @param mixed[] $args * @return null|self */ private function lazySet($ptyName, $args) { $this->{$ptyName} = $args[0]; if ($this->useFluentSetter) { return $this; } } } // --------------------- /// Demo // --------------------- class MyClass { use LazyGetSet; private $name; } echo (new MyClass())->setName(123)->getName();
based on ppCW9
Output for 5.4.0 - 7.1.0
123
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_STRING in /in/rPmZD on line 6
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/rPmZD on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/rPmZD on line 6
Process exited with code 255.