JSON PHP中 数组/对象转成JSON字符串



JavaScript数组
$color = array('gold','yellow','blue');
echo json_encode($color)."
";// ["gold","yellow","blue"] //② 关联数组-->json字符串 $city = array('shandong'=>'jinan','henan'=>'zhengzhou','hebei'=>'shijiazhuang'); echo json_encode($city)."
";//{"shandong":"jinan","henan":"zhengzhou","hebei":"shijiazhuang"} //③ 索引关联数组-->json字符串 $city2 = array('shandong'=>'jinan','henan'=>'zhengzhou','shenyang','hebei'=>'shijiazhuang'); echo json_encode($city2)."
";//{"shandong":"jinan","henan":"zhengzhou","0":"shenyang","hebei":"shijiazhuang"} //④ 对象生成json信息-->json字符串 // (只会序列化"成员属性",不会序列化"成员方法") class Person{ //类内部的成员属性需要有修饰符(var/public/protected/private),其是固定语法 public $color = "yellow"; var $height = 170; function run(){ echo "is running"; } } $tom = new Person(); echo json_encode($tom); //{"color":"yellow","height":170}


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