PHP涓殑json_decode鍑芥暟鐢ㄤ簬灏咼SON鏍煎紡鐨勫瓧绗︿覆杞崲涓篜HP瀵硅薄鎴栧叧鑱旀暟缁勩€?/p>

鍩烘湰璇硶锛?/p>

mixed json_decode ( string $json [, bool $assoc = FALSE [, int $depth = 512 [, int $options = 0 ]]] )

鍙傛暟璇存槑锛?/p>

• $json锛氳瑙ｇ爜鐨凧SON瀛楃涓层€?/p>

• $assoc锛氬彲閫夊弬鏁帮紝褰撲负true鏃讹紝杩斿洖鍏宠仈鏁扮粍锛涘綋涓篺alse鏃讹紝杩斿洖瀵硅薄銆傞粯璁や负false銆?/p>

• $depth锛氬彲閫夊弬鏁帮紝鎸囧畾鏈€澶цВ鏋愭繁搴︺€傞粯璁や负512銆?/p>

• $options锛氬彲閫夊弬鏁帮紝鎸囧畾瑙ｆ瀽閫夐」銆傞粯璁や负0銆?/p>

绀轰緥浠ｇ爜锛?/p>

$json_string = '{"name":"John", "age":30, "city":"New York"}';
// 瑙ｇ爜涓哄璞?/span>
$object = json_decode($json_string);
echo $object->name; // 杈撳嚭锛欽ohn
echo $object->age; // 杈撳嚭锛?0
echo $object->city; // 杈撳嚭锛歂ew York
// 瑙ｇ爜涓哄叧鑱旀暟缁?/span>
$array = json_decode($json_string, true);
echo $array['name']; // 杈撳嚭锛欽ohn
echo $array['age']; // 杈撳嚭锛?0
echo $array['city']; // 杈撳嚭锛歂ew York

娉ㄦ剰锛?/p>

• 濡傛灉JSON瀛楃涓叉棤娉曡В鏋愶紝json_decode鍑芥暟灏嗚繑鍥瀗ull銆?/p>

• 濡傛灉瑕佸鐞嗙殑JSON瀛楃涓蹭腑鍖呭惈涓枃瀛楃锛屽彲浠ュ湪鍑芥暟璋冪敤鍓嶄娇鐢?code>json_decode($json_string, true, 512, JSON_UNESCAPED_UNICODE)鏉ヨВ鐮侊紝骞朵繚鐣欎腑鏂囧瓧绗︾殑鍘熷缂栫爜銆?/p>