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<?php class Some { private $s; public function __construct($s) { $this->s = $s; } public function print() { echo $this->s . PHP_EOL; } } $s = new Some('done'); call_user_func(['Some', 'print'], $s);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: call_user_func(): Argument #1 ($callback) must be a valid callback, non-static method Some::print() cannot be called statically in /in/ZcCf7:20 Stack trace: #0 {main} thrown in /in/ZcCf7 on line 20
Process exited with code 255.

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