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@ 2017-05-05T03:45:47Z

<?php

$the_data = [2,"(){[]()}","([)]"];
function getbalance($values){
    $result = array();
    for($l=1;$l<=$values[0];$l++){
        $balance = array();
        $value = $values[$l];
        for($i=0; $i < strlen($value); $i++){
            if( $value[$i] == "(" || $value[$i] == "{" || $value[$i] == "[" ){
                $balance[] = $value[$i];
            }elseif( $value[$i] == ")" ){
                if( array_pop($balance) !== "(" ){
                    break;
                }
            }elseif( $value[$i] == "}" ){
                if( array_pop($balance) !== "{" ){
                    break;
                }
            }elseif( $value[$i] == "]" ){
                if( array_pop($balance) !== "[" ){
                    break;
                }
            }
        }
        if( count($balance) == 0 ){
            $result[] = "YES";
        }else{
            $result[] = "NO";
        }
    }
    return $result;
}

echo "Result:\n";
// echo array_pop($the_data);
var_dump(getbalance($the_data));

Output for git.master, git.master_jit, rfc.property-hooks: Result: array(2) { [0]=> string(3) "YES" [1]=> string(2) "NO" }

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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