Add src files for CoreLibs composer all package

src/Check/File.php

@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * various file/file name functions
+ */
+
+declare(strict_types=1);
+
+namespace CoreLibs\Check;
+
+class File
+{
+	/**
+	 * quick return the extension of the given file name
+	 *
+	 * @param  string $filename file name
+	 * @return string           extension of the file name
+	 */
+	public static function getFilenameEnding(string $filename): string
+	{
+		$page_temp = pathinfo($filename);
+		return $page_temp['extension'] ?? '';
+	}
+
+	/**
+	 * get lines in a file
+	 *
+	 * @param  string $file file for line count read
+	 * @return int          number of lines or -1 for non readable file
+	 */
+	public static function getLinesFromFile(string $file): int
+	{
+		if (
+			is_file($file) &&
+			file_exists($file) &&
+			is_readable($file)
+		) {
+			$f = fopen($file, 'rb');
+			if (!is_resource($f)) {
+				return 0;
+			}
+			$lines = 0;
+			while (!feof($f)) {
+				$lines += substr_count(fread($f, 8192) ?: '', "\n");
+			}
+			fclose($f);
+		} else {
+			// if file does not exist or is not readable, return -1
+			$lines = -1;
+		}
+		// return lines in file
+		return $lines;
+	}
+}
+
+// __END__