Example of bracket matching in PHP

This article mainly shares with you examples of bracket matching in PHP, mainly in the form of code. I hope it can help you.

function func($str){
    $stack = [];    $map = [        ']'=>'[',        ')'=>'(',
    ];    for($i=0;$i<strlen($str);$i++){        if(in_array($str[$i],array_values($map))){
            array_push($stack,$str[$i]);
        } else if(in_array($str[$i],array_keys($map))){            if($stack && $map[$str[$i]] == end($stack)){
                array_pop($stack);
            }else{                return false;
            }
        }   
    }       
    if($stack){        return false;
    }else{  
        return true;
    }       
}

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