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<?php $a = [10,20,30,40,50,60]; end($a); prev($a); $k = key($a); var_dump($k); unset($a[$k]); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
int(4) array(5) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [5]=> int(60) }

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