PHP code example of hoa / exception

1. Go to this page and download the library: Download hoa/exception library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

hoa / exception example snippets


$exception = new Hoa\Exception\Exception('Hello %s!', 0, 'world');


$previous  = new Hoa\Exception\Exception('Hello previous.');
$exception = new Hoa\Exception\Exception('Hello %s!', 0, 'world', $previous);

echo $exception->raise(true);

/**
 * Will output:
 *     {main}: (0) Hello world!
 *     in … at line ….
 *     
 *         ⬇
 *     
 *     Nested exception (Hoa\Exception\Exception):
 *     {main}: (0) Hello previous.
 *     in … at line ….
 */


Hoa\Event\Event::getEvent('hoa://Event/Exception')->attach(
    function (Hoa\Event\Bucket $bucket) {
        $exception = $bucket->getData();
        // …
    }
);


// A group of exceptions.
$group           = new Hoa\Exception\Group('Failed because of several reasons.');
$group['first']  = new Hoa\Exception\Exception('First reason');
$group['second'] = new Hoa\Exception\Exception('Second reason');

// Can nest another group.
$group['third']           = new Hoa\Exception\Group('Third reason');
$group['third']['fourth'] = new Hoa\Exception\Exception('Fourth reason');

echo $group->raise(true);

/**
 * Will output:
 *     {main}: (0) Failed because of several reasons.
 *     in … at line ….
 *     
 *     Contains the following exceptions:
 *     
 *       • {main}: (0) First reason
 *         in … at line ….
 *     
 *       • {main}: (0) Second reason
 *         in … at line ….
 *     
 *       • {main}: (0) Third reason
 *         in … at line ….
 *         
 *         Contains the following exceptions:
 *         
 *           • {main}: (0) Fourth reason
 *             in … at line ….
 */


$group   = new Hoa\Exception\Group('Failed because of several reasons.');
$group[] = new Hoa\Exception\Exception('Always present.');

$group->beginTransaction();

$group[] = new Hoa\Exception\Exception('Might be present.');

if (true === $condition) {
    $group->commitTransaction();
} else {
    $group->rollbackTransaction();
}