Online PHP editor | perf for dedOJ

@ 2023-12-03T14:41:54Z

<?php

$old_error = error_reporting();
$new_old_error = null;
$bool = false;
$string = '';
$get_last = array();

// error handler function
function myErrorHandler($errno, $errstr, $errfile, $errline)
{
    global $new_old_error, $bool, $string, $get_last;
    $new_old_error = error_reporting();
    if (!($new_old_error & $errno)) {
        // This error code is not included in error_reporting, so let it fall
        // through to the standard PHP error handler
    $get_last[] = error_get_last();
    error_clear_last();
    } else {

    // $errstr may need to be escaped:
    $errstr = htmlspecialchars($errstr);

    switch ($errno) {
    case E_USER_ERROR:
        $string = $string . "<b>My ERROR</b> [$errno] $errstr<br />\n";
        $string = $string . "  Fatal error on line $errline in file $errfile";
        $string = $string . ", PHP " . PHP_VERSION . " (" . PHP_OS . ")<br />\n";
        $string = $string . "Aborting...<br />\n";
        exit(1);

    case E_USER_WARNING:
        $string = $string . "<b>My WARNING</b> [$errno] $errstr<br />\n";
        break;

    case E_USER_NOTICE:
        $string = $string . "<b>My NOTICE</b> [$errno] $errstr<br />\n";
        break;

    default:
        $string = $string . "Unknown error type: [$errno] $errstr<br />\n";
        break;
    }

    /* Don't execute PHP internal error handler */
    $bool = true;
    }
    return $bool;
}
$old_error_handler = set_error_handler("myErrorHandler");
@$arr['is'];
@$as['55'];
var_dump($string, $get_last, error_get_last());

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.3.11	0.005	0.003	20.94
8.3.10	0.000	0.009	24.06
8.3.9	0.009	0.006	26.77
8.3.8	0.007	0.003	18.36
8.3.7	0.007	0.011	16.75
8.3.6	0.004	0.018	18.45
8.3.5	0.007	0.015	16.88
8.3.4	0.016	0.006	20.50
8.3.3	0.011	0.004	21.92
8.3.2	0.011	0.004	24.18
8.3.1	0.008	0.000	24.66
8.3.0	0.012	0.010	28.09
8.2.23	0.009	0.000	22.58
8.2.22	0.009	0.000	37.54
8.2.21	0.009	0.009	26.77
8.2.20	0.006	0.003	16.88
8.2.19	0.006	0.009	18.39
8.2.18	0.010	0.010	16.88
8.2.17	0.010	0.010	19.09
8.2.16	0.009	0.009	22.96
8.2.15	0.004	0.004	25.66
8.2.14	0.005	0.003	24.66
8.2.13	0.013	0.007	28.09
8.2.12	0.015	0.005	28.09
8.2.11	0.012	0.009	28.09
8.2.10	0.016	0.003	28.09
8.2.9	0.013	0.009	28.09
8.2.8	0.010	0.011	28.09
8.2.7	0.011	0.006	28.09
8.2.6	0.009	0.009	28.09
8.2.5	0.014	0.005	28.09
8.2.4	0.014	0.007	28.09
8.2.3	0.012	0.007	28.09
8.2.2	0.006	0.009	28.09
8.2.1	0.010	0.005	28.09
8.2.0	0.012	0.003	28.09
8.1.29	0.006	0.003	30.84
8.1.28	0.010	0.010	25.92
8.1.27	0.008	0.000	22.07
8.1.26	0.009	0.006	28.09
8.1.25	0.005	0.007	28.09
8.1.24	0.006	0.007	28.09
8.1.23	0.010	0.002	28.09
8.1.22	0.004	0.008	28.09
8.1.21	0.008	0.009	28.09
8.1.20	0.014	0.001	28.09
8.1.19	0.008	0.007	28.09
8.1.18	0.004	0.010	28.09
8.1.17	0.007	0.005	28.09
8.1.16	0.006	0.003	28.09
8.1.15	0.006	0.008	28.09
8.1.14	0.006	0.003	28.09
8.1.13	0.004	0.004	28.09
8.1.12	0.009	0.005	28.09
8.1.11	0.008	0.006	28.09
8.1.10	0.008	0.005	28.09
8.1.9	0.012	0.002	28.09
8.1.8	0.008	0.005	28.09
8.1.7	0.004	0.004	28.09
8.1.6	0.004	0.005	28.09
8.1.5	0.007	0.005	28.09
8.1.4	0.008	0.006	28.09
8.1.3	0.006	0.005	28.09
8.1.2	0.006	0.003	28.09
8.1.1	0.004	0.004	28.09
8.1.0	0.003	0.005	28.09

preferences:dark modelive preview