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@ 2018-06-03T16:14:13Z

<?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\n';
$values = ['{}()[]', '{]}['];
var_dump($values);
?>

Output for git.master_jit, git.master, rfc.property-hooks: Parse error: syntax error, unexpected token "match", expecting "(" in /in/1uUpW on line 3
Process exited with code 255.

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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