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<?php function foo(&$var) { // echo $GLOBALS["baz"]; $x = 1; $var = $x; } $bar = 'bar'; foo($bar = 3); var_dump($bar);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: foo(): Argument #1 ($var) cannot be passed by reference in /in/kpoe5:9 Stack trace: #0 {main} thrown in /in/kpoe5 on line 9
Process exited with code 255.

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