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<?php function setByLink( Array $tree, &$dst ) { $dst = $tree[0]; $tree[] = 'Hi'; } $tree = new ArrayObject([ new ArrayObject([ 1, 2 ]), 3 ]); setByLink( $tree, $arr ); $arr[] = 'Hello'; var_dump( is_array( $tree ), $tree );
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: setByLink(): Argument #1 ($tree) must be of type array, ArrayObject given, called in /in/7MOpo on line 16 and defined in /in/7MOpo:3 Stack trace: #0 /in/7MOpo(16): setByLink(Object(ArrayObject), NULL) #1 {main} thrown in /in/7MOpo on line 3
Process exited with code 255.

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