JSON处理 #

<?php
$data = ['name' => 'John', 'age' => 25];
$json = json_encode($data);
echo $json;

<?php
echo json_encode($data, JSON_PRETTY_PRINT);
echo json_encode($data, JSON_UNESCAPED_UNICODE);

<?php
$json = '{"name":"John","age":25}';

$obj = json_decode($json);
echo $obj->name;

$arr = json_decode($json, true);
echo $arr['name'];

<?php
$json = '{"invalid":json}';
$data = json_decode($json);

if (json_last_error() !== JSON_ERROR_NONE) {
    echo json_last_error_msg();
}