<?php $a = [7 => "value", "key" => "value2"]; foreach ($a as $k => &$v) { $v .= "a"; } $result = [key($a)=>array_shift($a)]; // wrong $a = [7 => "value", "key" => "value2"]; var_dump($result); foreach ($a as $k => &$v) { $v .= "a"; } reset($a); $result = [key($a)=>array_shift($a)]; // correct var_dump($result);
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