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<?php /** by www.phpddt.com */ $arr = array("a"=>"PHP","b"=>"中国"); echo json_encode($arr); //中文乱码:["PHP","\u4e2d\u56fd"] //json_encode前对变量urlencode即可 foreach ($arr as $k => $v){ $arr[$k] = urlencode($v); } echo urldecode(json_encode($arr)); //{"a":"PHP","b":"中国"} $str=md5('test');echo hexdec($str)%3; print_r( json_decode('[{"item_id": 21,"title": "可口可乐600ml"}]',true)); print_r( json_decode('{"item_id": 21,"title": "可口可乐600ml"}',true)); print_r(array_flip(array_flip(array(1,2,3)))); echo json_encode(array(array(1,2),3),1); echo json_encode(array(array(1,2),3));
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
{"a":"PHP","b":"\u4e2d\u56fd"}{"a":"PHP","b":"中国"} Deprecated: Implicit conversion from float 1.2707736894140473E+37 to int loses precision in /in/PYVaK on line 13 0Array ( [0] => Array ( [item_id] => 21 [title] => 可口可乐600ml ) ) Array ( [item_id] => 21 [title] => 可口可乐600ml ) Array ( [0] => 1 [1] => 2 [2] => 3 ) [[1,2],3][[1,2],3]
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
{"a":"PHP","b":"\u4e2d\u56fd"}{"a":"PHP","b":"中国"}0Array ( [0] => Array ( [item_id] => 21 [title] => 可口可乐600ml ) ) Array ( [item_id] => 21 [title] => 可口可乐600ml ) Array ( [0] => 1 [1] => 2 [2] => 3 ) [[1,2],3][[1,2],3]
Output for 5.2.0 - 5.2.17
{"a":"PHP","b":"\u4e2d\u56fd"}{"a":"PHP","b":"中国"}0Array ( [0] => Array ( [item_id] => 21 [title] => 可口可乐600ml ) ) Array ( [item_id] => 21 [title] => 可口可乐600ml ) Array ( [0] => 1 [1] => 2 [2] => 3 ) Warning: json_encode() expects exactly 1 parameter, 2 given in /in/PYVaK on line 17 [[1,2],3]
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/PYVaK on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/PYVaK on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/PYVaK on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/PYVaK on line 4

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