3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-05-25T23:44:32Z

<?php

function tryMultiple(callable $func, int $count=3, array $acceptable=['\Throwable']) {
    $success = false;
    for($i=0; $i<$count; $i++) {
        try {
            $v = $func();
            $success = true;
            break;
        } catch(\Throwable $t) {
            $is_ok = false;
            foreach($acceptable as $accept) {
                if( is_a($t, $accept) ) {
                    $is_ok = true;
                }
            }
            if( ! $is_ok ) {
                throw $t;
            }
        }
    }
    
    if($success) {
        return $v;
    } else {
        throw new \Exception("Failure count exceeded limit of $count.", 42, $t);
    }
}

$always_throws = function(){throw new \Exception('bork');};
$always_works  = function(){return 'work';};

var_dump(tryMultiple($always_works));
try { tryMultiple($always_throws); }        catch(Exception $e) { var_dump($e->getMessage()); }
try { tryMultiple($always_throws, 3, []); } catch(Exception $e) { var_dump($e->getMessage()); }

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: string(4) "work" string(34) "Failure count exceeded limit of 3." string(4) "bork"
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(4) "work" string(34) "Failure count exceeded limit of 3." string(4) "bork"
Output for 5.6.0 - 5.6.40: Fatal error: Default value for parameters with a class type hint can only be NULL in /in/Wdcvf on line 3
Process exited with code 255.

preferences:dark modelive preview

259.61 ms | 401 KiB | 287 Q