JS獲取并處理php數組的方法實例分析

$music=array();
$music['tayler']=array();
$music['walker']=array();
$music['tayler'][]='ours';
$music['tayler'][]='style';
$music['tayler'][]='red';
$music['walker'][]='all fall down';
$music['walker'][]='faded';
$str=json_encode($music);

<script type="text/javascript">
 function changesinger(va,data){
 var second = document.getElementById("second-data");
 while(obj=second[0]){
 obj.remove();
 }
 <!-- var data=eval(<?php echo json_encode($music);?>); -->
 <!-- var data=<?php echo $str;?>; -->
 var data={$str};
 for(var i=0;i<data[va].length;i++){
 var opt=document.createElement("OPTION");
 opt.text=data[va][i];
 second.add(opt);
 }
 }
</script>

var data=eval(<?php echo json_encode($music);?>);

var data=<?php echo $str;?>;

var data={$str};