PHP JSON functions

JSON () function

Parameter list:

function	Description
Json_encode	JSON encoding of variables
Json_decode	Decodes a JSON-formatted string into a PHP variable
Json_last_error	Returns the last error that occurred

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''a' (length=1)  public'B''b' (length=1)  public'C''c' (length=1)  public'D''d' (length=1)array (size=4)  'A''a' (length=1)  'B''b' (length=1)  'C''c' (length=1)  'D''d' (length=1)

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The above describes the PHP JSON functions, including aspects of the content, I hope that the PHP tutorial interested in a friend helpful.

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