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)

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$ar = array(
array(1,2,3),
array(11,12,13),
array(21,22,23)
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$s = json_encode($ar);

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<script>
b = $s; //Ö±½ÓдÈë
ar = eval('$s'); //ͨ¹ý×Ö·û´®´«µÝ
alert(b[2][1]);


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