<?php $a = array ( 0 => array ( 'php' => "5.3", ), 1 => array ( 'php' => "5.3", ), 2 => array ( 'php' => "5.3", ), ); $loopSize = 100000; for ($i = 0; $i < $loopSize; $i++) { $a = array_map('json_encode', $a); $a = array_unique($a); $a = array_map(function($v) { return json_decode($v, true);}, $a); };
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