3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-06-03T16:13:46Z

<?php

function match($available, $opened, $closed) {
    $last_open = $opened[count($opened) - 1];
    
    if ($available[$last_open] !== $closed[0]) {
        return 'NO';
    }
    
    match($available, array_slice($opened, 0, -1), array_slice($closed, 1));
    
    return 'YES';
}


function isValid($braces) {
    $available = ['{' => '}', '(' => ')', '[' => ']'];
    $opened = [];
    $closed = [];
 
    for ($i = 0; $i < count($braces) - 1; $i++) {
        if (in_array($braces[$i], array_keys($available))) {
            $opened[] = $braces[$i];
            continue;
        }
        $closed[] = $braces[$i];
    }
    
    return match($available, $opened, $closed);
}


function braceCheck($values) {
    for ($i = 0; $i < count($values) - 1; $i++) {
        $braces = str_split($value);
        $values[$i] = isValid($braces);
    }
    return $values;
}



echo 'dessert<br>';
$values = ['{}()[]', '{]}['];
var_dump($values);
?>

Output for 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: Parse error: syntax error, unexpected token "match", expecting "(" in /in/2CB7K on line 3
Process exited with code 255.
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 Parse error: syntax error, unexpected token "match", expecting "(" in /in/2CB7K on line 3
Process exited with code 255.
Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33: dessert<br>array(2) { [0]=> string(6) "{}()[]" [1]=> string(4) "{]}[" }

preferences:dark modelive preview

136.53 ms | 402 KiB | 162 Q