Exception Klassi

Exception klassi PHPdagi barcha istisnolar uchun asosiy klassni ifodalaydi. U istisnolar bilan ishlash uchun asosiy metodlarni o'z ichiga oladi: xato xabari, xato kodi, istisno yuzaga kelgan fayl va qatorni olish, shuningdek chaqiruvlar stekini olish. Istisno yaratishda xabar, xato kodi va oldingi istisnoni uzatish mumkin.

Sintaksis

new Exception(string $message = "", int $code = 0, Throwable $previous = null);

Misol

Oddiy istisno yaratamiz va uni qayta ishlaymiz:

<?php
	try {
		throw new Exception('Something went wrong', 100);
	} catch (Exception $e) {
		echo 'Error: ' . $e->getMessage();
	}
?>

Kodni bajarish natijasi:

'Error: Something went wrong'

Misol

Exception klassining asosiy metodlaridan foydalanamiz:

<?php
	try {
		throw new Exception('Test exception', 123);
	} catch (Exception $e) {
		echo 'Message: ' . $e->getMessage() . "\n";
		echo 'Code: ' . $e->getCode() . "\n";
		echo 'File: ' . $e->getFile() . "\n";
		echo 'Line: ' . $e->getLine() . "\n";
	}
?>

Kodni bajarish natijasi (misol):

'Message: Test exception
Code: 123
File: /path/to/file.php
Line: 3'

Misol

Istisno paytida chaqiruvlar stekini olamiz:

<?php
	function test() {
		throw new Exception('Stack trace test');
	}
	
	try {
		test();
	} catch (Exception $e) {
		print_r($e->getTrace());
	}
?>

Kodni bajarish natijasi (misol):

[
	[
		'file' => '/path/to/file.php',
		'line' => 5,
		'function' => 'test',
		'args' => []
	]
]

Shuningdek qarang

ErrorException klassi,
bu xatolarni istisnolar shaklida ifodalaydi
set_exception_handler funksiyasi,
bu foydalanuvchi istisnolar qayta ishlovchisini o'rnatadi