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@ 2014-06-03T10:49:50Z

<?php


$pdo = new ReflectionClass('Pdo');
$constructor = $pdo->getMethod('__construct');
$parameters = $constructor->getParameters();
$option = $parameters[3];

var_dump($option->isOptional()); // bool(true)
var_dump($option->isDefaultValueAvailable()); // bool(false)

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

74.61 ms | 2258 KiB | 5 Q