영숫자가 아닌 문자에 대한 php 검사 문자열

코드 예제

21
0

PHP 랜덤 문자열 생성기

function generateRandomString($length = 25) {
    $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    $charactersLength = strlen($characters);
    $randomString = '';
    for ($i = 0; $i < $length; $i++) {
        $randomString .= $characters[rand(0, $charactersLength - 1)];
    }
    return $randomString;
}
//usage 
$myRandomString = generateRandomString(5);
0
0

텍스트 상자는 php 에서 특수 문자가 아닌 영숫자 만 받아 들여야합니다

if(ctype_alnum($string)){
    echo "Yes, It's an alphanumeric string/text";
}
else{
    echo "No, It's not an alphanumeric string/text";
}

비슷한 페이지

예제가있는 유사한 페이지

다른 언어로

이 페이지는 다른 언어로되어 있습니다

Русский
..................................................................................................................
English
..................................................................................................................
Italiano
..................................................................................................................
Polski
..................................................................................................................
Română
..................................................................................................................
हिन्दी
..................................................................................................................
Français
..................................................................................................................
Türk
..................................................................................................................
Česk
..................................................................................................................
Português
..................................................................................................................
ไทย
..................................................................................................................
中文
..................................................................................................................
Español
..................................................................................................................
Slovenský
..................................................................................................................
Балгарскі
..................................................................................................................
Íslensk
..................................................................................................................