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This article mainly introduces php json related functions usage, lists the functions of json_encode, json_decode and json_last_error, and analyzes json_encode and json_decode with examples For specific usage skills of functions, friends in need can refer to
This article describes the usage of php json related functions with examples. Share it with everyone for your reference, the details are as follows:
Function list:
| Function | Description |
|---|---|
| json_encode | Encode json on variable |
| json_decode | Decode the string in json format and convert it into a php variable |
| Return the last occurrence Error |
##For example 1:
json_encode$arr=array("A"=>"a","B"=>"b","C"=>"c","D"=>"d");
echo json_encode($arr); output:
{"A":"a","B":"b","C":"c","D":"d"}For example 2: json_decode$arr='{"A":"a","B":"b","C":"c","D":"d"}';
var_dump(json_decode($arr));
var_dump(json_decode($arr,true));output:
object(stdClass)[1] public 'A' => string 'a' (length=1) public 'B' => string 'b' (length=1) public 'C' => string 'c' (length=1) public 'D' => string 'd' (length=1) array (size=4) 'A' => string 'a' (length=1) 'B' => string 'b' (length=1) 'C' => string 'c' (length=1) 'D' => string 'd' (length=1)
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