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<?php $b=array(-1=>0); $c=array_pop($b); assert($c == 0); assert(array_push($b, 0), 1); assert(array_push($b, 0), 2); var_dump($b); assert(array_push($b, 0), 3); ?>
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [-1]=> int(0) [0]=> int(0) }

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