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<?php class foo { private $bar; public function __construct($bar) { $this->bar = $bar; } public function __toString() { return $bar; } } $a = new foo('abc'); $b = new foo('ab'); $pos = strpos($a,$b);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $bar in /in/tnoKs on line 9 Fatal error: Uncaught TypeError: foo::__toString(): Return value must be of type string, null returned in /in/tnoKs:9 Stack trace: #0 [internal function]: foo->__toString() #1 /in/tnoKs(15): strpos(Object(foo), Object(foo)) #2 {main} thrown in /in/tnoKs on line 9
Process exited with code 255.

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