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File: Logger.php

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  Classes of Asbjorn Grandt  >  EPub  >  Logger.php  >  Download  
File: Logger.php
Role: Example script
Content type: text/plain
Description: Used by the example scripts
Class: EPub
Create ebook in EPUB format for ex. Apple iPad
Author: By
Last change: Merge pull request #13 from raqy/master

The changes look ok.
Date: 1 year ago
Size: 3,081 bytes
 

Contents

Class file image Download
<?php
/**
 * Simple log line aggregator.
 *
 * @author A. Grandt <php@grandt.com>
 * @copyright 2012-2013 A. Grandt
 * @license GNU LGPL, Attribution required for commercial implementations, requested for everything else.
 * @version 1.00
 */
class Logger {
    const
VERSION = 1.00;

    private
$log = "";
    private
$tStart;
    private
$tLast;
    private
$name = NULL;
    private
$isLogging = FALSE;
    private
$isDebugging = FALSE;

   
/**
     * Class constructor.
     *
     * @return void
     */
   
function __construct($name = NULL, $isLogging = FALSE) {
        if (
$name === NULL) {
           
$this->name = "";
        } else {
           
$this->name = $name . " : ";
        }
       
$this->isLogging = $isLogging;
       
$this->start();
    }

   
/**
     * Class destructor
     *
     * @return void
     * @TODO make sure elements in the destructor match the current class elements
     */
   
function __destruct() {
        unset(
$this->log);
    }

    function
start() {
       
/* Prepare Logging. Just in case it's used. later */
       
if ($this->isLogging) {
           
$this->tStart = gettimeofday();
           
$this->tLast = $this->tStart;
           
$this->log = "<h1>Log: " . $this->name . "</h1>\n<pre>Started: " . gmdate("D, d M Y H:i:s T", $this->tStart['sec']) . "\n &#916; Start ; &#916; Last ;";
           
$this->logLine("Start");
        }
    }

    function
dumpInstalledModules() {
        if (
$this->isLogging) {
           
$isCurlInstalled = extension_loaded('curl') && function_exists('curl_version');
           
$isGdInstalled = extension_loaded('gd') && function_exists('gd_info');
           
$isExifInstalled = extension_loaded('exif') && function_exists('exif_imagetype');
           
$isFileGetContentsInstalled = function_exists('file_get_contents');
           
$isFileGetContentsExtInstalled = $isFileGetContentsInstalled && ini_get('allow_url_fopen');

           
$this->logLine("isCurlInstalled...............: " . ($isCurlInstalled ? "Yes" : "No"));
           
$this->logLine("isGdInstalled.................: " . ($isGdInstalled ? "Yes" : "No"));
           
$this->logLine("isExifInstalled...............: " . ($isExifInstalled ? "Yes" : "No"));
           
$this->logLine("isFileGetContentsInstalled....: " . ($isFileGetContentsInstalled ? "Yes" : "No"));
           
$this->logLine("isFileGetContentsExtInstalled.: " . ($isFileGetContentsExtInstalled ? "Yes" : "No"));
        }
    }

    function
logLine($line) {
        if (
$this->isLogging) {
           
$tTemp = gettimeofday();
           
$tS = $this->tStart['sec'] + (((int)($this->tStart['usec']/100))/10000);
           
$tL = $this->tLast['sec'] + (((int)($this->tLast['usec']/100))/10000);
           
$tT = $tTemp['sec'] + (((int)($tTemp['usec']/100))/10000);

           
$logline = sprintf("\n+%08.04f; +%08.04f; ", ($tT-$tS), ($tT-$tL)) . $this->name . $line;
           
$this->log .= $logline;
           
$this->tLast = $tTemp;

            if (
$this->isDebugging) {
                echo
"<pre>" . $logline . "\n</pre>\n";
            }
        }
    }

    function
getLog() {
        return
$this->log;
    }
}
?>