JSON

json_decode

<?php

var_dump(json_decode('{"foo":2,"bar":5}'));       // object(stdClass)#1 (2) { ["foo"]=> int(2) ["bar"]=> int(5) }
var_dump(json_decode('{"foo":2,"bar":5}', true)); // array(2) { ["foo"]=> int(2) ["bar"]=> int(5) }

json_encode

<?php

var_dump(json_encode(['foo' => 2, 'bar' => 5])); // string(17) "{"foo":2,"bar":5}"

json_last_error_msg

<?php

var_dump(json_last_error_msg());

json_last_error

<?php

var_dump(json_last_error());

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