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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
class Bank
{
private array $rates = [
'USDGBP' => 2,
// 'GBPGBP' => 1,
];
public function rate(string $from, string $to): float
{
$rates = $this->rates[$from . $to];
return $rates;
}
}
// Start
ini_set('display_errors', 1);
//error_reporting(E_ALL);
$bank = new Bank();
echo "Level alert: " . error_reporting(); // E_ALL = 32767
echo $bank->rate('GBP', 'GBP');
echo "END";