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代碼吧 這節課的 ?

<?php
$array_1?=?array();?//一維
$array_2?=?array();?//多維

$array_1['usrename']?=?"ericwolf";
$array_1['age']?=?25;

$array_2['member']['username']?=?"ericwolf";
$array_2['member']['age']?=?25;

$jsonObj1?=?json_encode($array_1);
$jsonObj2?=?json_encode($array_2);
echo?$jsonObj1."</br>";
echo?$jsonObj2."</br>";

print_r($array_1."?????array1</br>");
print_r($array_2."?????array2</br>");

$jsonStr?=?'{"key":"value","key1":"value"}';
$json2Array?=?json_decode($jsonStr,true);
print_r($json2Array);
?>