json_encode的第二个参数,默认false

当第二个参数默认false,为 TRUE 时,将返回数组,FALSE 时返回对象。

实例

以下实例演示了如何解码 JSON 数据:

<?php
   $json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';
 
   var_dump(json_decode($json));
   var_dump(json_decode($json, true));

?>

以上代码执行结果为:

object(stdClass)#1 (5) {

["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}
 
array(5) {
    ["a"] => int(1)
    ["b"] => int(2)
    ["c"] => int(3)
    ["d"] => int(4)
    ["e"] => int(5)
}

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转载自blog.csdn.net/janms_java/article/details/79642833