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<?php $a = [10,20,30,40,50,60]; $k = end($a); $k = prev($a); var_dump($k); unset($a[$key]); var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
int(50) Warning: Undefined variable $key in /in/43NOY on line 11 array(6) { [0]=> int(10) [1]=> int(20) [2]=> int(30) [3]=> int(40) [4]=> int(50) [5]=> int(60) }

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