함수 file2ext()

1 개요

• /etc/os-release → ""
• /etc/httpd/conf/httpd.conf → conf

2 JavaScript

JavaScript 확장자 추출 문서를 참고하십시오.

function file2ext(x) {
    return x.substring(x.lastIndexOf('.')+1);
}
console.log( file2ext('/etc/os-release') );
console.log( file2ext('/etc/httpd/conf/httpd.conf') );
console.log( file2ext('/var/www/html/mediawiki-1.2.3.tar.gz') );

3 PHP

PHP 확장자 추출 문서를 참고하십시오.

function file2ext($x) {
    return pathinfo($x)['extension'] ?? '';
}
var_dump( file2ext('/etc/os-release') );
var_dump( file2ext('/etc/httpd/conf/httpd.conf') );
var_dump( file2ext('/var/www/html/mediawiki-1.2.3.tar.gz') );

4 같이 보기

• 함수 basename