php method to convert an array into json: first create a PHP sample file; then define an array; and finally convert the specified array into json through the "json_encode" function.
The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer
Convert array to JSon data:
$array_1 = array(); //一维数组 $array_2 = array(); //多维数组 $array_1['username']='ericwolf'; $array_1['age']=25; $array_2['menber']['aa']['username']='ericwolf'; $array_2['menber']['aa']['age']=25; $array_2['menber']['bb']['username']='eeee'; $array_2['menber']['bb']['age']=22; print_r($array_2); $jsonObj_1 = json_encode($array_1); var_dump($jsonObj_1); $jsonObj_1 = json_encode($array_2); var_dump($jsonObj_1); 运行结果： Array ( [menber] => Array ( [aa] => Array ( [username] => ericwolf [age] => 25 ) [bb] => Array ( [username] => eeee [age] => 22 ) ) ) string(32) "{"username":"ericwolf","age":25}" string(84) "{"menber":{"aa":{"username":"ericwolf","age":25},"bb":{"username":"eeee","age":22}}}"
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