Logger for WP plugins

functions.php

<?php
/**
 * Simple logger for WordPress plugins
 * Author: Max Kostinevich 
 * Author URI: https://maxkostinevich.com
 * Version: 1.0.0
 * License: MIT
 * 2015 (c) Max Kostinevich
 */


/**
 * ===== SIMPLE LOGGER FOR WORDPRESS PLUGINS =====
 */

/**
 * This function allows you to write any messages to wpdev-log.txt file 
 */
if(!function_exists('wpdevlogger_log')){
	function wpdevlogger_log($msg){
		// current file dir
		$plugin_dir = plugin_dir_path( __FILE__ );
		// open the log file
		$log_file = fopen( $plugin_dir . 'wpdev-log.txt', 'a+' );

		if( is_array($msg) || is_object($msg) ){
			fwrite($log_file, '[' . date('M j, Y H:i:s'). '] ' . ':: START TRACE ::' . " \n"); 	
			fwrite($log_file, var_export($msg,true));
			fwrite($log_file, "\n");
			fwrite($log_file, '[' . date('M j, Y H:i:s'). '] ' . ':: END TRACE ::' . " \n");
		}
		else{
			fwrite($log_file, '[' . date('M j, Y H:i:s'). '] ' . $msg . " \n");
		
		}
		fflush($log_file);
		fclose($log_file);
	}
}

/**
 * This function will remove the log file from your plugin directory
 * Call this function when you don't need logger anymore
 */
if(!function_exists('wpdevlogger_unlink_log_file')){
	function wpdevlogger_unlink_log_file(){
		// current file dir
		$plugin_dir = plugin_dir_path( __FILE__ );
		$log_file = $plugin_dir . 'wpdev-log.txt';
		if(file_exists($log_file)){
			unlink($log_file);
		}
	}
}

/*
 * ===== END LOGGER =====
 */