Online PHP editor | output for dufRX

<?php declare(strict_types = 1); class Test { /** * @throws Exception */ public function mayThrow(): int { if (mt_rand() / mt_getrandmax() >= 0.5) { throw new Exception(); } else { return 1; } } public function mayAlsoThrow(): int { return $this->mayThrow(); } public function testCatchException(): void { try { $foo = $this->mayThrow(); $foo += $this->mayAlsoThrow(); var_dump($foo); } catch (Exception) { var_dump($foo ?? 0); } } public function testCatchOnlyImplicitException(): void { try { $foo = $this->mayAlsoThrow(); $foo += $this->mayAlsoThrow(); var_dump($foo); } catch (Exception) { var_dump($foo ?? 0); } } public function testCatchThrowable(): void { try { $foo = $this->mayThrow(); $foo += $this->mayAlsoThrow(); var_dump($foo); } catch (Throwable) { var_dump($foo ?? 0); } } } (new Test())->testCatchException();