Online PHP editor | output for iHYqM

@ 2025-12-18T04:09:54Z

<?php

$url = '';

/** @var non-empty-string|null $s */
function take_non_empty_string_or_null(?string $s): void {
    echo (string) $s;
}

function take_any_string(string $s): void {
    echo $s;
}

function take_an_int_or_null(?int $s): void {
    echo (int) $s;
}

/**
 * @param array{
 *  scheme?: non-empty-string,
 *  user?: non-empty-string,
 *  pass?: non-empty-string,
 *  host?: non-empty-string,
 *  port?: int,
 *  path: string
 *  query?: non-empty-string,
 *  fragment?: non-empty-string,
 * } $arr
 */
function take_url(array $arr): void {
    foreach($arr as $v) {
        if (null !== $v) {
            take_any_string((string) v);
        }
    }
}

take_url(parse_url($url)); // array{}
take_non_empty_string_or_null(parse_url($url, PHP_URL_SCHEME)); // null|non-empty-string
take_non_empty_string_or_null(parse_url($url, PHP_URL_USER)); // null|non-empty-string
take_non_empty_string_or_null(parse_url($url, PHP_URL_PASS)); // null|non-empty-string
take_non_empty_string_or_null(parse_url($url, PHP_URL_HOST)); // null|non-empty-string
take_an_int_or_null(parse_url($url, PHP_URL_PORT)); // null|int
take_any_string(parse_url($url, PHP_URL_PATH)); // string
take_non_empty_string_or_null(parse_url($url, PHP_URL_QUERY)); // null|non-empty-string
take_non_empty_string_or_null(parse_url($url, PHP_URL_FRAGMENT)); // null|non-empty-string

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.29, 8.4.1 - 8.4.16, 8.5.0 - 8.5.1: Fatal error: Uncaught Error: Undefined constant "v" in /in/iHYqM:33 Stack trace: #0 /in/iHYqM(38): take_url(Array) #1 {main} thrown in /in/iHYqM on line 33
Process exited with code 255.
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33: Warning: Use of undefined constant v - assumed 'v' (this will throw an Error in a future version of PHP) in /in/iHYqM on line 33 v0
Output for 7.1.0 - 7.1.33: Notice: Use of undefined constant v - assumed 'v' in /in/iHYqM on line 33 v0
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33: Parse error: syntax error, unexpected '?', expecting variable (T_VARIABLE) in /in/iHYqM on line 6
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38: Parse error: syntax error, unexpected '?', expecting '&' or variable (T_VARIABLE) in /in/iHYqM on line 6
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '?', expecting '&' or T_VARIABLE in /in/iHYqM on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '?', expecting '&' or T_VARIABLE in /in/iHYqM on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected '?', expecting ')' in /in/iHYqM on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected '?', expecting ')' in /in/iHYqM on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `')'' in /in/iHYqM on line 6
Process exited with code 255.

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