Detailed explanation of usage examples of php json related functions

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:

##For example 1:
json_encode

$arr=array("A"=>"a","B"=>"b","C"=>"c","D"=>"d");
echo json_encode($arr);

{"A":"a","B":"b","C":"c","D":"d"}

json_decode

$arr='{"A":"a","B":"b","C":"c","D":"d"}';
var_dump(json_decode($arr));
var_dump(json_decode($arr,true));

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)

The above is the detailed content of Detailed explanation of usage examples of php json related functions. For more information, please follow other related articles on the PHP Chinese website!