Further split out Class.Basic

- Email/File/Hash class update
- add random key, running time
- get system calls
- Debug classes for logging, running time, etc

www/lib/CoreLibs/Debug/FileWriter.php

@@ -0,0 +1,61 @@
+<?php declare(strict_types=1);
+
+/*
+ * direct write to log file
+ * must have BASE folder and LOG foder defined
+ */
+
+namespace CoreLibs\Debug;
+
+class FileWriter
+{
+	private static $debug_filename = 'debug_file.log'; // where to write output
+
+	/**
+	 * set new debug file name
+	 * Must be alphanumeric and underscore only.
+	 * Must end with .log
+	 *
+	 * @param string $filename File name to set
+	 * @return bool            True for valid file name, False if invalid
+	 */
+	public static function fsetFilename(string $filename): bool
+	{
+		// valid file. must be only ascii & _, must end with .log
+		if (!preg_match("/^[A-Za-z_-]+\.log$/", $filename)) {
+			return false;
+		}
+		self::$debug_filename = $filename;
+		return true;
+	}
+
+	/**
+	 * writes a string to a file immediatly, for fast debug output
+	 * @param  string  $string string to write to the file
+	 * @param  boolean $enter  default true, if set adds a linebreak \n at the end
+	 * @return bool            True for log written, false for not wirrten
+	 */
+	public static function fdebug(string $string, bool $enter = true): bool
+	{
+		if (!self::$debug_filename) {
+			return false;
+		}
+		if (!is_writeable(BASE.LOG)) {
+			return false;
+		}
+		$filename = BASE.LOG.self::$debug_filename;
+		$fh = fopen($filename, 'a');
+		if ($fh === false) {
+			return false;
+		}
+		if ($enter === true) {
+			$string .= "\n";
+		}
+		$string = "[".\CoreLibs\Debug\Support::printTime()."] [".\CoreLibs\Get\System::getPageName(2)."] - ".$string;
+		fwrite($fh, $string);
+		fclose($fh);
+		return true;
+	}
+}
+
+// __END__