Example of php json-related functions and phpjson Functions

Example of php json-related functions and phpjson Functions

This example describes the usage of php json-related functions. We will share this with you for your reference. The details are as follows:

Function list:

Function	Description
Json_encode	Encode variables in json format
Json_decode	Decodes json strings and converts them to php variables.
Json_last_error	Returns the last 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)

PS: Here are some useful json online tools for your reference:

Online JSON code verification, validation, beautification, and formatting tools:
Http://tools.jb51.net/code/json

JSON online formatting tool:
Http://tools.jb51.net/code/jsonformat

Online XML/JSON conversion tools:
Http://tools.jb51.net/code/xmljson

Json code online formatting/beautification/compression/editing/conversion tools:
Http://tools.jb51.net/code/jsoncodeformat

C language style/HTML/CSS/json code formatting and beautification tools:
Http://tools.jb51.net/code/ccode_html_css_json