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@ 2013-12-30T14:08:57Z

<?php
$ref = new ReflectionClass('PDO');

foreach ($ref->getConstants() as $key => $value) {
    printf("%s => %s\n", $key, $value);
}

Output
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printf: documentation ( source)

preferences:dark modelive preview

39.76 ms | 402 KiB | 5 Q