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<?php $a = false; var_dump(count($a)); var_dump(reset($a)); $a = true; var_dump(count($a)); var_dump(reset($a)); $a = null; var_dump(count($a)); var_dump(reset($a)); $a = ''; var_dump(count($a)); var_dump(reset($a)); $a = 'string'; var_dump(count($a)); var_dump(reset($a));

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24.77 ms | 476 KiB | 4 Q