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run code in 300+ PHP versions simultaneously
<?php class Foo { public function bar() { var_dump(__METHOD__); } public function baz() { var_dump(__METHOD__); } public function bat() { var_dump(__METHOD__); return 'bat!'; } } class FluentWrapper { private $instance; private $fluentMethods; public function __construct($instance, array $fluentMethods = []) { $this->instance = $instance; $this->fluentMethods = $fluentMethods; } public function __call($name, $args) { $result = call_user_func([$this->instance, $name], $args); return in_array($name, $this->fluentMethods) ? $this : $result; } } class FluentFoo extends FluentWrapper { public function __construct(Foo $foo) { parent::__construct($foo, ['bar', 'baz']); } } $foo = new FluentFoo(new Foo()); $bat = $foo ->bar() ->baz() ->bar() ->baz() ->bat(); print $bat."\n";

preferences:
35.81 ms | 402 KiB | 5 Q