<?php
/**
* Created by PhpStorm.
* User: vasilepop
* Date: 8/10/15
* Time: 4:39 PM
*/
//create function with an exception
function inverse($x)
{
if (!$x) {
throw new Exception('Division by zero.');
}
return 1 / $x;
}
//trigger exception in a "try" block
try {
echo inverse(5) . "\n";
echo inverse(0) . "\n";
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
}
// Continue execution
echo "Hello World\n";
echo "catch exception :", $exc->getMessage(), "\n";
}
try {
if ($e) {
$c = null;
$info = 'happen error!' . $e;
throw new Exception($info);
}
} catch (Exception $exc) {
echo "catch exception:", $exc->getMessage(), "\n";
}
var_dump($c);
exit;
try {
inverse(0);
inverse(5);
} catch (Exception $e) {
echo 'caught exception : ', $e->getMessage(), "\n";
} finally {
echo "woke";
}
// finally 中的代码总会执行，无论是否有异常抛出
echo 'first try over ' . "\n";
try {
inverse(3);
} catch (Exception $e) {
echo "second exception : ", $e->getMessage(), '\\n';
} finally {
echo "my fike";
}
echo "second try over " . "\n";
<?php
function inverse($x)
{
//si $x=0 on lance une exception
if (!$x) {
throw new Exception('Division par zéro');
}
return 1 / $x;
}
// bloc try pour permettre de lancer des exceptions
try {
echo '5: ' . inverse(5) . '<br/>';
echo '10: ' . inverse(10) . '<br/>';
// va provoquer une exception...
echo '0: ' . inverse(0) . '<br/>';
} catch (Exception $e) {
echo '<p style="color: red; background-color: yellow;">Oups: ' . $e->getMessage() . '</p>';
}
//le code continue même en cas d'erreur
echo 'Hello World!';
<?php
function inverse($x)
{
if (!$x) {
throw new Exception('Division by zero.');
} else {
return 1 / $x;
}
}
try {
echo inverse(5) . PHP_EOL;
echo inverse(0) . PHP_EOL;
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), PHP_EOL;
}
// Continue execution
echo 'Hello World' . PHP_EOL;
{
}
function is_even($x) {
if ($x == 0)
throw new MyException("0是一个特别的数，它是偶数和奇数的分水岭", 1);//会优先寻找对应的异常类的catch捕捉，寻找基础异常类的捕捉或finally
if ($x % 2 == 0) {
return true;
} else {
return true;
}
}
try {
echo is_even(0), '<br/>';//这里已经抛出异常了
echo inverse(0), '<br/>';
} catch (MyException $e) {
echo 'into MyException', '<br/>';
echo $e->getMessage(), '<br/>';
} catch (Exception $e) {
echo 'into Exception', '<br/>';
echo $e->getMessage(), '<br/>';
}
<?php
//Обработка исключений
//Определяем функцию
function inverse($x)
{
if ($x == 0) {
//если аргумент = 0, то выбрасываем исключение
throw new Exception("Деление на ноль!");
} else {
return 1 / $x;
}
}
//пробуем поймать исключение
try {
inverse(0);
} catch (Exception $e) {
echo "Выброшено исключение: " . $e->getMessage();
}
function inverse($x)
{
if (!$x) {
throw new Exception('Division by zero.');
}
return 1 / $x;
}
try {
echo inverse(5), "\n";
echo inverse(0), "\n";
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
}
try {
echo inverse(0), "\n";
} catch (Exception $e) {
echo 'Caught exception: ', $e->getMessage(), "\n";
} finally {
echo "Second finally.\n";
}
// Continue execution
echo "Hello World\n";
class MyException extends Exception
{
}
class Test
{
public function testing()
{
try {
<?php
class BTS2BException extends \Exception
{
public function __toString()
{
parent::__toString();
// TODO: Change the autogenerated stub
return 'Error in ' . $this->getFile() . ', line :' . $this->getLine() . ' Trace: ' . $this->getTraceAsString();
}
}
function inverse($x)
{
if (!$x) {
throw new BTS2BException('Division by zero');
}
throw new Exception('coucou');
return 1 / $x;
}
try {
inverse('trt');
} catch (BTS2BException $e) {
echo $e;
} catch (Exception $e) {
echo 'toto';
}
