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5 months ago

When JSON_OBJECT_AS_ARRAY is true, "json_decode($json)" is the same as "json_decode($json, false)" and return object actually. 

<?php
$php_constants = (get_defined_constants(true));
printf($php_constants['json']['JSON_OBJECT_AS_ARRAY'] . PHP_EOL);
$json = '{"a":1,"b":2,"c":3,"d":4,"e":5}';

$data = json_decode($json);
printf(is_array($data) . PHP_EOL);//false
var_dump($data);

$data = json_decode($json, false);
printf(is_array($data) . PHP_EOL);//false
var_dump($data);

$data = json_decode($json, true);
printf(is_array($data) . PHP_EOL);//true
var_dump($data);
?>

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