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<?php class Test { public function testFunction($arr) { array_walk_recursive($arr, array('Test','alt_json_encode_callback')); return mb_decode_numericentity(json_encode($arr), array (0x80, 0xffff, 0, 0xffff), 'UTF-8'); } private function alt_json_encode_callback (&$item, $key) { if (is_string($item)) $item = mb_encode_numericentity($item, array (0x80, 0xffff, 0, 0xffff), 'UTF-8'); } } $a= Test::testFunction(array('1','1')); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Non-static method Test::testFunction() cannot be called statically in /in/hXsjS:17 Stack trace: #0 {main} thrown in /in/hXsjS on line 17
Process exited with code 255.

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