Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8
Send an error message to the defined error handling routines
<?php error_log(    string $message,    int $message_type = 0,    ?string $destination = null,    ?string $additional_headers = null): bool
<?php require __DIR__ . '/../vendor/autoload.php';



if (isset($_GET['sleep'])) {

    error_log('This is a log');

    sleep(10);

}
<?php }



if ($_GET['error_log'] ?? false) {

    error_log('This is a test log from error_log');

}



if ($_GET['exception'] ?? false) {
<?php <?php declare(strict_types=1);



error_log('This is a test message');
<?php <?php declare(strict_types=1);



error_log('This is a log message');



$timeout = (int) ($_GET['timeout'] ?? 10);

$result = sleep($timeout);
<?php     }



    if ($event['error_log'] ?? false) {

        error_log('This is a test log from error_log');

    }



    if ($event['exception'] ?? false) {
<?php }



if ($_GET['error_log'] ?? false) {

    error_log('This is a test log from error_log');

}



if ($_GET['exception'] ?? false) {