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<?php function foo(&$val) { $val->b = 1; return $val; } foo($a); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Attempt to assign property "b" on null in /in/oV8Pg:4 Stack trace: #0 /in/oV8Pg(8): foo(NULL) #1 {main} thrown in /in/oV8Pg on line 4
Process exited with code 255.

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