PHP code example of stechstudio / backoff

1. Go to this page and download the library: Download stechstudio/backoff 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/ */

stechstudio / backoff example snippets


$result = backoff(function() {
    return doSomeWorkThatMightFail();
});


$backoff = new Backoff(10, 'exponential', 10000, true);
$result = $backoff->run(function() {
    return doSomeWorkThatMightFail();
});


// Assuming a fresh instance of $backoff was handed to you
$result = $backoff
    ->setStrategy('constant')
    ->setMaxAttempts(10)
    ->enableJitter()
    ->run(function() {
        return doSomeWorkThatMightFail();
    });


Backoff::$defaultMaxAttempts = 10;
Backoff::$defaultStrategy = 'exponential';
Backoff::$defaultJitterEnabled = true;


$strategy = new ConstantStrategy(500);


$strategy = new LinearStrategy(200);


$strategy = new PolynomialStrategy(100, 3);


$strategy = new ExponentialStrategy(100);


backoff(function() {
    ...
}, 10, 'constant');

// OR

$backoff = new Backoff(10, 'constant');


backoff(function() {
    ...
}, 10, new LinearStrategy(500));

// OR

$backoff = new Backoff(10, new LinearStrategy(500));


backoff(function() {
    ...
}, 10, 1000);

// OR

$backoff = new Backoff(10, 1000);


backoff(function() {
    ...
}, 10, function($attempt) {
    return (100 * $attempt) + 5000;
});

// OR

$backoff = new Backoff(10);
$backoff->setStrategy(function($attempt) {
    return (100 * $attempt) + 5000;
});


$backoff->setDecider(function($attempt, $maxAttempts, $result, $exception = null) {
    return someCustomLogic();
});


$backoff->setErrorHandler(function($exception, $attempt, $maxAttempts) {
    Log::error("On run $attempt we hit a problem: " . $exception->getMessage());
});