Online PHP editor | perf for fSkNi

@ 2014-01-29T10:38:58Z

<?php

	// Conversion Class
	include 'config.class.php';
	class YouTubeToMp3Converter extends Config
	{
		// Private Fields
		private $_songFileName = '';
		private $_flvUrls = array();
		private $_tempVidFileName;
		private $_uniqueID = '';
		private $_vidSrcTypes = array('source_code', 'url');
		private $_percentVidDownloaded = 0;

		#region Public Methods
		function __construct()
		{
			$this->_uniqueID = time() . "_" . uniqid('', true);
		}

		function DownloadVideo($youTubeUrl)
		{
			$file_contents = file_get_contents($youTubeUrl);
			if ($file_contents !== false)
			{
				$this->SetSongFileName($file_contents);
				$this->SetFlvUrls($file_contents);
				if ($this->GetSongFileName() != '' && count($this->GetFlvUrls()) > 0)
				{
					return $this->SaveVideo($this->GetFlvUrls());
				}
			}
			return false;
		}

		function GenerateMP3($audioQuality)
		{
			$qualities = $this->GetAudioQualities();
			$quality = (in_array($audioQuality, $qualities)) ? $audioQuality : $qualities[1];
			$exec_string = parent::_FFMPEG.' -i '.$this->GetTempVidFileName().' -vol '.parent::_VOLUME.' -y -acodec libmp3lame -ab '.$quality.'k '.$this->GetSongFileName() . ' 2> logs/' . $this->_uniqueID . '.txt';
			$ffmpegExecUrl = preg_replace('/(([^\/]+?)(\.php))$/', "exec_ffmpeg.php", "http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']);
			$postData = "cmd=".urlencode($exec_string);
			$ch = curl_init();
			curl_setopt($ch, CURLOPT_URL, $ffmpegExecUrl);
			curl_setopt($ch, CURLOPT_POST, TRUE);
			curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
			curl_setopt($ch, CURLOPT_TIMEOUT, 1);
			curl_exec($ch);
			curl_close($ch);
		}

		function DownloadMP3($file)
		{
			$filepath = parent::_SONGFILEDIR . urldecode($file);
			$filename = urldecode($file);
			if (parent::_ENABLE_CONCURRENCY_CONTROL)
			{
				$filename = preg_replace('/((_uuid-)(\w{13})(\.mp3))$/', "$4", $filename);
			}
			if (is_file($filepath))
			{
				header('Content-Type: audio/mpeg3');
				header('Content-Length: ' . filesize($filepath));
				header('Content-Disposition: attachment; filename="'.$filename.'"');
				ob_clean();
				flush();
				readfile($filepath);
				die();
			}
			else
			{
				$redirect = explode("?", $_SERVER['REQUEST_URI']);
				header('Location: ' . $redirect[0]);
			}
		}

		function ExtractSongTrackName($vidSrc, $srcType)
		{
			$name = '';
			$vidSrcTypes = $this->GetVidSrcTypes();
			if (in_array($srcType, $vidSrcTypes))
			{
				$vidSrc = ($srcType == $vidSrcTypes[1]) ? file_get_contents($vidSrc) : $vidSrc;
				if ($vidSrc !== false)
				{
					if (preg_match('/(<title>)(.+?)( - YouTube)(<\/title>)/', $vidSrc, $matches) == 1)
					{
						$name = trim($matches[2]);
						$name = iconv("UTF-8", "ISO-8859-1//TRANSLIT", $name);
						$name = (!empty($name)) ? html_entity_decode($name) : 'unknown_'.time();
					}
				}
			}
			return $name;
		}

		function ExtractVideoId($youTubeUrl)
		{
			$v = '';
			$urlQueryStr = parse_url(trim($youTubeUrl), PHP_URL_QUERY);
			if ($urlQueryStr !== false && !empty($urlQueryStr))
			{
				parse_str($urlQueryStr);
			}
			return $v;
		}

		function UpdateVideoDownloadProgress($downloadSize, $downloaded, $uploadSize, $uploaded)
		{
			$percent = round($downloaded/$downloadSize, 2) * 100;
			if ($percent > $this->_percentVidDownloaded)
			{
				$this->_percentVidDownloaded++;
				echo '<script type="text/javascript">updateVideoDownloadProgress("'. $percent .'");</script>';
				ob_end_flush();
				ob_flush();
				flush();
			}
		}
		#endregion

		#region Private "Helper" Methods
		private function SaveVideo(array $urls)
		{
			$success = false;
			$vidCount = -1;
			while (!$success && ++$vidCount < count($urls))
			{
				$this->_percentVidDownloaded = 0;
				$this->SetTempVidFileName();
				$file = fopen($this->GetTempVidFileName(), 'w');
				$ch = curl_init();
				curl_setopt($ch, CURLOPT_FILE, $file);
				curl_setopt($ch, CURLOPT_HEADER, 0);
				curl_setopt($ch, CURLOPT_URL, $urls[$vidCount]);
				curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
				curl_setopt($ch, CURLOPT_NOPROGRESS, false);
				//curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, array($this, 'UpdateVideoDownloadProgress'));
				curl_setopt($ch, CURLOPT_BUFFERSIZE, 4096000);
				curl_exec($ch);
				curl_close($ch);
				fclose($file);
				if (is_file($this->GetTempVidFileName()))
				{
					if (!filesize($this->GetTempVidFileName()) || filesize($this->GetTempVidFileName()) < 10000)
					{
						unlink($this->GetTempVidFileName());
					}
					else
					{
						$success = true;
					}
				}
			}
			return $success;
		}
		#endregion

		#region Properties
		public function GetSongFileName()
		{
			return $this->_songFileName;
		}
		private function SetSongFileName($file_contents)
		{
			$vidSrcTypes = $this->GetVidSrcTypes();
			$trackName = $this->ExtractSongTrackName($file_contents, $vidSrcTypes[0]);
			if (!empty($trackName))
			{
				$fname = parent::_SONGFILEDIR . preg_replace('/_{2,}/','_',preg_replace('/ /','_',preg_replace('/[^A-Za-z0-9 _-]/','',$trackName)));
				$fname .= (parent::_ENABLE_CONCURRENCY_CONTROL) ? uniqid('_uuid-') : '';
				$this->_songFileName = $fname . '.mp3';
			}
		}

		public function GetFlvUrls()
		{
			return $this->_flvUrls;
		}
		private function SetFlvUrls($file_contents)
		{
			$vidUrls = array();
			$vidSrcTypes = $this->GetVidSrcTypes();
			if (preg_match('/(ytplayer\.config = )([^\r\n]+?)(;<\/script>)/', $file_contents, $matches) == 1)
			{
				$jsonObj = json_decode(trim($matches[2], ';'));
				if (isset($jsonObj->args->url_encoded_fmt_stream_map))
				{
					$urls = urldecode(urldecode($jsonObj->args->url_encoded_fmt_stream_map));
					//die($urls);
					if (preg_match('/^((.+?)(=))/', $urls, $matches) == 1)
					{
						$urlsArr = preg_split('/,'.preg_quote($matches[0], '/').'/', $urls, -1, PREG_SPLIT_NO_EMPTY);
						foreach ($urlsArr as $url)
						{
							if ($matches[0] != 'url=')
							{
								$url = ($url != $urlsArr[0]) ? $matches[0].$url : $url;
								$urlBase = preg_replace('/(.+?)(url=)(.+?)(\?)(.+)/', "$3$4", $url);
								$urlParams = preg_replace('/(.+?)(url=)(.+?)(\?)(.+)/', "$1$5", $url);
								$url = $urlBase . "&" . $urlParams;
							}
							else
							{
								$url = preg_replace('/^(url=)/', "", $url);
							}
							$url = preg_replace('/(.*)(itag=\d+&)(.*?)/', '$1$3', $url, 1);
							if (preg_match('/quality=small/',$url) != 1)
							{
								$url = preg_replace('/sig=/', "signature=", $url);
								$url = trim($url, ',');
								$url .= '&title=' . urlencode($this->ExtractSongTrackName($file_contents, $vidSrcTypes[0]));
								$url = preg_replace_callback('/(&type=)(.+?)(&)/', function($match){return $match[1].urlencode($match[2]).$match[3];}, $url);
								$vidUrls[] = $url;
							}
						}
						$vidUrls = array_reverse($vidUrls);
						//die(print_r($vidUrls));
					}
				}
			}
			$this->_flvUrls = $vidUrls;
		}

		public function GetAudioQualities()
		{
			return $this->_audioQualities;
		}

		public function GetTempVidFileName()
		{
			return $this->_tempVidFileName;
		}
		private function SetTempVidFileName()
		{
			$this->_tempVidFileName = parent::_TEMPVIDDIR . $this->_uniqueID .'.flv';
		}

		public function GetVidSrcTypes()
		{
			return $this->_vidSrcTypes;
		}

		public function GetUniqueID()
		{
			return $this->_uniqueID;
		}
		#endregion
	}

?>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

Version	System time (s)	User time (s)	Memory (MiB)
8.0.12	0.010	0.003	13.45
8.0.11	0.004	0.008	13.60
8.0.10	0.000	0.012	13.47
8.0.9	0.000	0.013	13.50
8.0.8	0.010	0.002	13.43
8.0.7	0.009	0.003	13.60
8.0.6	0.013	0.000	13.55
8.0.5	0.010	0.003	13.48
8.0.3	0.013	0.000	13.44
8.0.2	0.000	0.013	13.55
8.0.1	0.009	0.004	13.51
8.0.0	0.007	0.000	13.50
7.4.25	0.004	0.004	13.46
7.4.24	0.014	0.000	13.31
7.4.23	0.011	0.004	13.43
7.4.22	0.004	0.008	13.39
7.4.21	0.010	0.002	13.30
7.4.20	0.012	0.000	13.48
7.4.19	0.013	0.000	13.46
7.4.18	0.008	0.005	13.53
7.4.16	0.013	0.000	13.44
7.4.15	0.006	0.006	13.41
7.4.14	0.000	0.012	13.30
7.4.13	0.006	0.006	13.41
7.4.12	0.003	0.005	13.35
7.4.11	0.005	0.005	13.18
7.4.10	0.013	0.000	13.36
7.4.9	0.012	0.000	13.26
7.4.8	0.010	0.003	13.34
7.4.7	0.013	0.006	14.66
7.4.6	0.014	0.010	14.60
7.4.5	0.012	0.006	14.54
7.4.4	0.012	0.005	14.40
7.4.3	0.009	0.008	14.72
7.4.2	0.016	0.004	14.69
7.4.1	0.010	0.009	14.75
7.4.0	0.008	0.015	15.03
7.3.31	0.004	0.007	13.28
7.3.30	0.005	0.003	13.18
7.3.29	0.005	0.005	13.26
7.3.28	0.000	0.010	13.34
7.3.27	0.012	0.000	13.25
7.3.26	0.003	0.008	13.20
7.3.25	0.010	0.000	13.45
7.3.24	0.008	0.000	13.48
7.3.23	0.005	0.005	13.28
7.3.22	0.009	0.000	13.22
7.3.21	0.008	0.000	13.38
7.3.20	0.003	0.007	13.28
7.3.19	0.008	0.006	14.75
7.3.18	0.010	0.005	14.80
7.3.17	0.011	0.004	14.73
7.3.16	0.015	0.013	14.77
7.3.15	0.009	0.006	14.80
7.3.14	0.008	0.008	14.87
7.3.13	0.007	0.010	15.04
7.3.12	0.006	0.011	14.76
7.3.11	0.010	0.005	14.66
7.3.10	0.010	0.005	14.82
7.3.9	0.007	0.007	14.82
7.3.8	0.008	0.005	14.75
7.3.7	0.007	0.007	14.79
7.3.6	0.011	0.003	14.74
7.3.5	0.009	0.004	14.78
7.3.4	0.006	0.007	14.82
7.3.3	0.005	0.009	14.96
7.3.2	0.012	0.006	16.64
7.3.1	0.004	0.010	16.45
7.3.0	0.010	0.006	16.58
7.2.34	0.003	0.003	13.61
7.2.33	0.006	0.006	13.57
7.2.32	0.013	0.000	13.48
7.2.31	0.007	0.011	14.73
7.2.30	0.009	0.011	14.83
7.2.29	0.016	0.010	15.06
7.2.28	0.012	0.006	14.79
7.2.27	0.016	0.006	15.00
7.2.26	0.013	0.016	15.05
7.2.25	0.007	0.009	15.05
7.2.24	0.004	0.014	14.90
7.2.23	0.006	0.011	14.87
7.2.22	0.009	0.008	15.03
7.2.21	0.010	0.009	14.96
7.2.20	0.012	0.006	14.99
7.2.19	0.009	0.009	14.84
7.2.18	0.018	0.007	14.90
7.2.17	0.007	0.012	14.91
7.2.16	0.013	0.006	14.86
7.2.15	0.012	0.005	16.82
7.2.14	0.012	0.006	16.60
7.2.13	0.016	0.005	16.78
7.2.12	0.015	0.006	16.63
7.2.11	0.015	0.006	16.71
7.2.10	0.014	0.008	16.62
7.2.9	0.019	0.002	16.64
7.2.8	0.012	0.008	16.79
7.2.7	0.010	0.010	16.78
7.2.6	0.017	0.003	16.63
7.2.5	0.010	0.009	16.60
7.2.4	0.015	0.003	16.72
7.2.3	0.007	0.012	16.64
7.2.2	0.014	0.005	16.50
7.2.1	0.012	0.008	16.76
7.2.0	0.006	0.009	17.61
7.1.33	0.017	0.006	15.88
7.1.32	0.017	0.005	15.81
7.1.31	0.017	0.006	15.68
7.1.30	0.018	0.004	15.74
7.1.29	0.013	0.008	15.70
7.1.28	0.010	0.010	15.80
7.1.27	0.008	0.008	15.72
7.1.26	0.021	0.004	15.60
7.1.25	0.016	0.007	15.64
7.1.24	0.013	0.012	15.71
7.1.23	0.019	0.003	15.80
7.1.22	0.018	0.006	15.65
7.1.21	0.020	0.003	15.77
7.1.20	0.017	0.004	15.78
7.1.19	0.014	0.008	15.79
7.1.18	0.011	0.007	15.72
7.1.17	0.011	0.005	15.74
7.1.16	0.011	0.005	15.85
7.1.15	0.006	0.009	15.76
7.1.14	0.013	0.003	15.77
7.1.13	0.010	0.009	15.68
7.1.12	0.007	0.010	15.68
7.1.11	0.010	0.013	15.78
7.1.10	0.009	0.009	15.66
7.1.9	0.026	0.013	15.54
7.1.8	0.015	0.007	15.85
7.1.7	0.008	0.008	16.12
7.1.6	0.010	0.008	16.87
7.1.5	0.009	0.008	16.04
7.1.4	0.004	0.012	15.90
7.1.3	0.008	0.008	15.76
7.1.2	0.006	0.009	15.66
7.1.1	0.013	0.002	15.67
7.1.0	0.010	0.026	17.90
7.0.33	0.017	0.006	15.57
7.0.32	0.025	0.012	15.45
7.0.31	0.015	0.007	15.49
7.0.30	0.009	0.008	15.47
7.0.29	0.010	0.005	15.58
7.0.28	0.015	0.008	15.39
7.0.27	0.016	0.008	15.53
7.0.26	0.016	0.006	15.55
7.0.25	0.015	0.007	15.48
7.0.24	0.010	0.008	15.57
7.0.23	0.014	0.009	15.61
7.0.22	0.016	0.005	15.54
7.0.21	0.009	0.007	15.47
7.0.20	0.008	0.005	15.84
7.0.19	0.009	0.006	15.53
7.0.18	0.011	0.003	15.52
7.0.17	0.010	0.007	15.46
7.0.16	0.011	0.003	15.48
7.0.15	0.012	0.010	15.56
7.0.14	0.011	0.025	17.76
7.0.13	0.008	0.008	15.48
7.0.12	0.009	0.007	15.56
7.0.11	0.011	0.005	15.48
7.0.10	0.012	0.034	17.09
7.0.9	0.014	0.019	16.99
7.0.8	0.014	0.031	17.04
7.0.7	0.017	0.036	16.97
7.0.6	0.019	0.022	16.93
7.0.5	0.015	0.031	17.16
7.0.4	0.009	0.024	16.95
7.0.3	0.014	0.031	17.06
7.0.2	0.015	0.018	16.88
7.0.1	0.010	0.033	16.90
7.0.0	0.013	0.029	16.94
5.6.40	0.012	0.008	14.36
5.6.39	0.009	0.016	14.38
5.6.38	0.012	0.011	14.28
5.6.37	0.015	0.007	14.15
5.6.36	0.006	0.011	14.37
5.6.35	0.008	0.008	14.48
5.6.34	0.013	0.007	14.23
5.6.33	0.006	0.016	14.14
5.6.32	0.017	0.008	14.37
5.6.31	0.013	0.004	14.27
5.6.30	0.013	0.003	14.22
5.6.29	0.008	0.008	14.30
5.6.28	0.011	0.026	16.49
5.6.27	0.014	0.003	14.38
5.6.26	0.012	0.007	14.27
5.6.25	0.009	0.023	16.37
5.6.24	0.010	0.020	16.31
5.6.23	0.009	0.019	16.44
5.6.22	0.010	0.034	16.34
5.6.21	0.015	0.030	16.52
5.6.20	0.006	0.029	16.37
5.6.19	0.009	0.027	16.60
5.6.18	0.015	0.028	16.50
5.6.17	0.018	0.028	16.54
5.6.16	0.011	0.035	16.64
5.6.15	0.013	0.031	16.51
5.6.14	0.013	0.018	16.66
5.6.13	0.011	0.020	16.45
5.6.12	0.014	0.022	16.58
5.6.11	0.006	0.018	16.49
5.6.10	0.008	0.019	16.49
5.6.9	0.009	0.020	16.47
5.6.8	0.005	0.019	16.31
5.6.7	0.012	0.014	16.38
5.6.6	0.012	0.014	16.28
5.6.5	0.008	0.021	16.35
5.6.4	0.009	0.021	16.25
5.6.3	0.011	0.020	16.29
5.6.2	0.008	0.020	16.29
5.6.1	0.011	0.018	16.24
5.6.0	0.011	0.016	16.28
5.5.38	0.018	0.021	16.32
5.5.37	0.012	0.032	16.32
5.5.36	0.013	0.034	16.24
5.5.35	0.013	0.030	16.17
5.5.34	0.012	0.028	16.41
5.5.33	0.010	0.028	16.41
5.5.32	0.016	0.018	16.38
5.5.31	0.012	0.035	16.51
5.5.30	0.012	0.027	16.39
5.5.29	0.019	0.029	16.34
5.5.28	0.010	0.017	16.29
5.5.27	0.002	0.026	16.34
5.5.26	0.011	0.018	16.34
5.5.25	0.013	0.019	16.32
5.5.24	0.008	0.016	16.19
5.5.23	0.008	0.015	16.20
5.5.22	0.009	0.016	16.12
5.5.21	0.013	0.017	16.27
5.5.20	0.011	0.018	15.95
5.5.19	0.012	0.020	16.23
5.5.18	0.008	0.021	16.07
5.5.17	0.012	0.011	14.04
5.5.16	0.008	0.022	16.17
5.5.15	0.013	0.017	16.10
5.5.14	0.008	0.019	16.11
5.5.13	0.012	0.014	16.02
5.5.12	0.012	0.016	16.10
5.5.11	0.013	0.016	16.05
5.5.10	0.010	0.019	16.12
5.5.9	0.007	0.029	16.22
5.5.8	0.013	0.017	16.07
5.5.7	0.010	0.020	16.20
5.5.6	0.010	0.018	16.20
5.5.5	0.011	0.018	16.02
5.5.4	0.012	0.016	15.94
5.5.3	0.012	0.017	16.09
5.5.2	0.012	0.014	16.12
5.5.1	0.007	0.023	16.03
5.5.0	0.016	0.013	16.07
5.4.45	0.012	0.019	14.86
5.4.44	0.006	0.018	14.79
5.4.43	0.013	0.011	14.69
5.4.42	0.011	0.014	14.87
5.4.41	0.010	0.013	14.82
5.4.40	0.009	0.014	14.62
5.4.39	0.006	0.017	14.67
5.4.38	0.012	0.013	14.67
5.4.37	0.012	0.015	14.73
5.4.36	0.009	0.017	14.62
5.4.35	0.012	0.013	14.65
5.4.34	0.012	0.017	14.68
5.4.33	0.015	0.002	12.44
5.4.32	0.010	0.013	14.64
5.4.31	0.009	0.018	14.62
5.4.30	0.007	0.018	14.64
5.4.29	0.009	0.017	14.77
5.4.28	0.007	0.019	14.65
5.4.27	0.010	0.014	14.81
5.4.26	0.013	0.010	14.60
5.4.25	0.010	0.017	14.59
5.4.24	0.011	0.017	14.72
5.4.23	0.009	0.016	14.71
5.4.22	0.007	0.018	14.66
5.4.21	0.009	0.015	14.59
5.4.20	0.010	0.016	14.71
5.4.19	0.008	0.018	14.62
5.4.18	0.009	0.015	14.60
5.4.17	0.009	0.016	14.67
5.4.16	0.011	0.016	14.59
5.4.15	0.011	0.031	14.63
5.4.14	0.009	0.024	13.86
5.4.13	0.012	0.025	13.84
5.4.12	0.014	0.023	13.88
5.4.11	0.014	0.024	13.81
5.4.10	0.007	0.025	13.88
5.4.9	0.006	0.023	13.84
5.4.8	0.013	0.017	13.88
5.4.7	0.009	0.028	13.84
5.4.6	0.009	0.028	13.86
5.4.5	0.007	0.017	13.80
5.4.4	0.011	0.027	13.76
5.4.3	0.017	0.024	13.80
5.4.2	0.011	0.026	13.90
5.4.1	0.008	0.028	13.85
5.4.0	0.009	0.018	13.66
5.3.29	0.007	0.015	13.65
5.3.28	0.003	0.019	13.43
5.3.27	0.008	0.036	13.60
5.3.26	0.008	0.016	13.53
5.3.25	0.011	0.014	13.64
5.3.24	0.009	0.021	13.50
5.3.23	0.012	0.029	13.49
5.3.22	0.016	0.026	13.49
5.3.21	0.007	0.025	13.55
5.3.20	0.010	0.031	13.47
5.3.19	0.009	0.022	13.56
5.3.18	0.010	0.028	13.61
5.3.17	0.008	0.030	13.57
5.3.16	0.006	0.024	13.72
5.3.15	0.009	0.026	13.61
5.3.14	0.011	0.030	13.53
5.3.13	0.011	0.030	13.60
5.3.12	0.009	0.023	13.58
5.3.11	0.010	0.028	13.52
5.3.10	0.006	0.031	13.30
5.3.9	0.008	0.031	13.40
5.3.8	0.009	0.028	13.31
5.3.7	0.008	0.030	13.32
5.3.6	0.008	0.028	13.32
5.3.5	0.009	0.024	13.24
5.3.4	0.011	0.027	13.29
5.3.3	0.011	0.028	13.26
5.3.2	0.007	0.019	13.09
5.3.1	0.011	0.025	13.06
5.3.0	0.011	0.024	13.06

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