<?php $array = array( 0=>"1:A", 1=>"2:B", 2=>"3:C", 3=>"4:D", 4=>"5:E", ); //处理 $array1 = array(); array_walk($array, function($val,$key,$fix) use(&$array1){ $v = explode($fix, $val); $array1[$v[1]] = $v[0]; },':'); var_dump($array1); $t=[1,3,5];echo json_encode($t);
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