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<?php $a = array(); for ($i = 0; $i < 5; $i++) { $a['asd'] += $i; } var_dump($a);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "asd" in /in/9pbBa on line 5 array(1) { ["asd"]=> int(10) }

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