<?php
/**
* Simple log line aggregator.
*
* @author A. Grandt <[email protected]>
* @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 Δ Start ; Δ 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;
}
}
?>
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