This extension can be used to provide server-side and client-side form validation by executing the same JavaScript code at both places.PHP - Manual: V8Js
2025-10-22
(PECL v8js >= 0.1.0)
This is the core class for V8Js extension. Each instance created from this class has own context in which all JavaScript is compiled and executed.
See V8Js::__construct() for more information.
$object_name = "PHP",$variables = array(),$extensions = array(),$report_uncaught_exceptions = true$script, string $identifier = "V8Js::executeString()", int $flags = V8Js::FLAG_NONE): mixedV8Js::V8_VERSIONThe V8 Javascript Engine version.
V8Js::FLAG_NONENo flags.
V8Js::FLAG_FORCE_ARRAYForces all JS objects to be associative arrays in PHP.
This extension can be used to provide server-side and client-side form validation by executing the same JavaScript code at both places.You can use function variables (jay!)
So the following works:
$add = function ($a, $b) {
return $a + $b;
};
$v8 = new V8Js('PHP', array('add' => 'add'));
$result = $v8->executeString('PHP.add(1,2)');
var_dump($result);
yields indeed:
int(3)v8js can be also used to render server-side javascript components (see: React.js).