public function testSimpliestCase()
{
$add = function ($a, $b) {
return $a + $b;
};
$h = new Handler();
$this->assertEquals(0, $h->getNbTries());
$this->assertEquals(5, $h->execute($add, array(2, 3)));
$this->assertEquals(5, $h->getLastResult());
$this->assertEquals(1, $h->getNbTries());
$this->assertNull($h->getLastException());
}
<?php
/**
* This example shows how it can handle exceptions.
*/
namespace TryAgain\Examples;
use TryAgain\Handler;
use TryAgain\Validator\AnonymousValidator;
require_once __DIR__ . '/../vendor/autoload.php';
function divide($a, $b)
{
if ($b == 0) {
throw new \InvalidArgumentException('Cannot divide by zero');
}
return $a / $b;
}
$handler = new Handler(new AnonymousValidator(function ($handler) {
if ($handler->getLastException() instanceof \InvalidArgumentException) {
$handler->setResult($handler->getLastException()->getMessage());
}
return false;
}));
header("Content-Type: text/plain");
$a = 6;
for ($b = -3; $b <= 3; $b++) {
echo sprintf('%d / %d = %s', $a, $b, $handler->execute('TryAgain\\Examples\\divide', array($a, $b))), PHP_EOL;
}