Filesystem Functions

basename chgrp chmod chown clearstatcache copy dirname disk_free_space disk_total_space diskfreespace fclose fdatasync feof fflush fgetc fgetcsv fgets file file_exists file_get_contents file_put_contents fileatime filectime filegroup fileinode filemtime fileowner fileperms filesize filetype flock fnmatch fopen fpassthru fputcsv fputs fread fscanf fseek fstat fsync ftell ftruncate fwrite glob is_dir is_executable is_file is_link is_readable is_uploaded_file is_writable is_writeable lchgrp lchown link linkinfo lstat mkdir move_uploaded_file parse_ini_file parse_ini_string pathinfo pclose popen readfile readlink realpath realpath_cache_get realpath_cache_size rename rewind rmdir set_file_buffer stat symlink tempnam tmpfile touch umask unlink

is_writable

Astrotomic/php-twemoji

Supported Versions: PHP 4, PHP 5, PHP 7, PHP 8

Tells whether the filename is writable

Alias is_writeable

<?php is_writable(string $filename): bool