74 lines
1.5 KiB
PHP
74 lines
1.5 KiB
PHP
<?php
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/*
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* various file/file name functions
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*/
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declare(strict_types=1);
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namespace CoreLibs\Check;
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class File
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{
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/**
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* quick return the extension of the given file name
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*
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* @param string $filename file name
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* @return string extension of the file name
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*/
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public static function getFilenameEnding(string $filename): string
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{
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$page_temp = pathinfo($filename);
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return $page_temp['extension'] ?? '';
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}
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/**
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* get lines in a file
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*
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* @param string $file file for line count read
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* @return int number of lines or -1 for non readable file
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*/
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public static function getLinesFromFile(string $file): int
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{
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if (
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is_file($file) &&
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file_exists($file) &&
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is_readable($file)
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) {
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$f = fopen($file, 'rb');
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if (!is_resource($f)) {
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return 0;
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}
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$lines = 0;
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while (!feof($f)) {
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$lines += substr_count(fread($f, 8192) ?: '', "\n");
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}
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fclose($f);
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} else {
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// if file does not exist or is not readable, return -1
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$lines = -1;
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}
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// return lines in file
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return $lines;
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}
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/**
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* get the mime type of a file via finfo
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* if file not found, throws exception
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* else returns '' for any other finfo read problem
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*
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* @param string $read_file File to read, relative or absolute path
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* @return string
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*/
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public static function getMimeType(string $read_file): string
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{
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$finfo = new \finfo(FILEINFO_MIME_TYPE);
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if (!is_file($read_file)) {
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throw new \UnexpectedValueException('[getMimeType] File not found: ' . $read_file);
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}
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return $finfo->file($read_file) ?: '';
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}
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}
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// __END__
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