共计 16121 个字符，预计需要花费 41 分钟才能阅读完成。
sendFile 发送文件
<?php
$doc = filter_input(INPUT_GET, 'file');
if ($doc) {
// decode requested file path
$docPath = base64_decode($doc);
// check file path
if ($docPath !== false && file_exists($docPath)) {$mimeType = Utils::get_mime_type($docPath);
if (stripos($mimeType, 'audio/') !== false || stripos($mimeType, 'video/') !== false) {
// streaming media
$stream = new VideoStream($docPath);
$stream->start();} else {
// output document
$fName = basename(filter_input(INPUT_SERVER, 'PATH_INFO'));
$fSize = filesize($docPath);
if (strpos($fName, '.') === false && strrpos(basename($docPath), '.') !== false) {$ext = substr(basename($docPath), -strrpos(basename($docPath), '.'));
$fName .= $ext;
}
header('Content-type:' . $mimeType);
header('Content-disposition: filename="' . $fName . '"');
header('Content-Length:' . $fSize);
flush();
$fHandle = fopen($docPath, 'r');
while (!feof($fHandle)) {
// send the current file part to the browser
print fread($fHandle, 8192);
// flush the content to the browser
flush();}
fclose($fHandle);
}
} else {header('HTTP/1.0 401 Unauthorized');
echo 'Unauthorized access';
// log
$fh = @fopen('getDoc.log', 'a');
if ($fh !== false) {
$msg = 'Try to access not existing file';
fwrite($fh, PHP_EOL . date('Y-m-d H:i:s') . '***' . $msg . ' ' . $docPath);
fclose($fh);
}
}
}videoStream 发送视频流
<?php
class VideoStream {
private $path = '';
private $stream = null;
private $buffer = 102400;
private $start = -1;
private $end = -1;
private $size = 0;
/**
* @param string $filePath
*/
public function setPath($filePath) {$this->path = $filePath;}
/**
* Open stream
*/
private function open() {if (!($this->stream = fopen($this->path, 'rb'))) {die('Could not open stream for reading');
}
}
/**
* Set proper header to serve the video content
*/
private function setHeader() {ob_get_clean();
$mimeType = \Utils::get_mime_type($this->path);
header("Content-Type:" . $mimeType);
header("Cache-Control: max-age=2592000, public");
header("Expires:" . gmdate('D, d M Y H:i:s', time() + 2592000) . 'GMT');
header("Last-Modified:" . gmdate('D, d M Y H:i:s', @filemtime($this->path)) . 'GMT');
$this->start = 0;
$this->size = filesize($this->path);
$this->end = $this->size - 1;
header("Accept-Ranges: 0-" . $this->end);
if (isset($_SERVER['HTTP_RANGE'])) {
$c_end = $this->end;
list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
if (strpos($range, ',') !== false) {header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $this->start-$this->end/$this->size");
exit;
}
if ($range == '-') {$c_start = $this->size - substr($range, 1);
} else {$range = explode('-', $range);
$c_start = $range[0];
$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $c_end;
}
$c_end = ($c_end > $this->end) ? $this->end : $c_end;
if ($c_start > $c_end || $c_start > $this->size - 1 || $c_end >= $this->size) {header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $this->start-$this->end/$this->size");
exit;
}
$this->start = $c_start;
$this->end = $c_end;
$length = $this->end - $this->start + 1;
fseek($this->stream, $this->start);
header('HTTP/1.1 206 Partial Content');
header("Content-Length:" . $length);
header("Content-Range: bytes $this->start-$this->end/" . $this->size);
} else {header("Content-Length:" . $this->size);
}
}
/**
* close currently opened stream
*/
private function end() {fclose($this->stream);
exit;
}
/**
* perform the streaming of calculated range
*/
private function stream() {
$i = $this->start;
set_time_limit(0);
while (!feof($this->stream) && $i <= $this->end) {
$bytesToRead = $this->buffer;
if (($i + $bytesToRead) > $this->end) {$bytesToRead = $this->end - $i + 1;}
$data = fread($this->stream, $bytesToRead);
echo $data;
flush();
$i += $bytesToRead;
}
}
/**
* Start streaming video content
*/
public function start() {$this->open();
$this->setHeader();
$this->stream();
$this->end();}
}sendEmail 发送邮件
<?php
$transport = new \Zend\Mail\Transport\Sendmail();
$attachment = array();
// add properties
$msg = new \Zend\Mail\Message();
$msg->addFrom('fromEmail', 'fromName')
->addTo('toEmail')
->setSubject('subject')
->addCc('ccEmail')
->addBcc('bccEmail');
if (count($attachment) > 0) {
// new MIME message
$mimeMessage = new \Zend\Mime\Message();
// add body
$text = new \Zend\Mime\Part(nl2br('body'));
$text->type = \Zend\Mime\Mime::TYPE_HTML;
$text->charset = 'utf-8';
$mimeMessage->addPart($text);
// add attachment
foreach ($attachment as $fPath) {if (file_exists($fPath)) {$attachment = new \Zend\Mime\Part(fopen($fPath, 'r'));
$attachment->type = \Zend\Mime\Mime::TYPE_OCTETSTREAM;
$attachment->filename = basename($fPath);
$attachment->disposition = \Zend\Mime\Mime::DISPOSITION_ATTACHMENT;
$attachment->encoding = \Zend\Mime\Mime::ENCODING_BASE64;
$mimeMessage->addPart($attachment);
}
}
$msg->setBody($mimeMessage);
} else {$msg->setBody('body');
}
$transport->send($msg);phpexcel 电子表格解决
<?php
class Exporter {
/** @var string */
public $filename;
/** @var string */
public $creator;
/** @var string */
public $title;
/** @var string */
public $description;
/** @var string */
public $subject;
/** @var string */
public $keywords;
/** @var boolean */
public $boldTitle;
/** @var boolean */
public $autoSizeText;
/**
* @var array
* array(<sheet_index> => array('selector' => <cell_selector>,'style' => <PHPExcel_style_array>))
*/
public $cellStyles;
public function __construct() {$this->filename = date('Y_m_d_H_i_s', time()) . '.xlsx';
$this->creator = '';
$this->title = '';
$this->description = '';
$this->subject = '';
$this->keywords = '';
$this->boldTitle = false;
$this->autoSizeText = false;
$this->cellStyles = array();}
/**
* @param string
*/
public function setFilename($fullFilename) {$this->filename = $fullFilename;}
/**
* @param string
*/
public function setCreator($creator) {$this->creator = $creator;}
/**
* @param string
*/
public function setTitle($title) {$this->title = $title;}
/**
* @param string
*/
public function setDescription($description) {$this->description = $description;}
/**
* @param string
*/
public function setSubject($subject) {$this->subject = $subject;}
/**
* @param string
*/
public function setKeywords($keywords) {$this->keywords = $keywords;}
/**
* @param boolean
*/
public function setBoldTitle($boldTitle) {$this->boldTitle = $boldTitle;}
/**
* @param boolean
*/
public function setAutoSizeText($autoSizeText) {$this->autoSizeText = $autoSizeText;}
/**
* @param array
*/
public function setCellStyles($cellStyles) {$this->cellStyles = $cellStyles;}
/**
*
* @param array $sheetItems
* @return string filename
*/
public function export($sheetItems) {
//Generate PHPExcel
$excel = new \PHPExcel();
$excel->getProperties()
->setCreator($this->creator)
->setTitle($this->title)
->setDescription($this->description)
->setSubject($this->subject)
->setKeywords($this->keywords);
$idxSheet = 0;
$lastColumn = null;
foreach ($sheetItems as $sheetName => $items) {if ($idxSheet > 0) {$excel->createSheet($idxSheet);
}
$currSheet = $excel->setActiveSheetIndex($idxSheet);
$currSheet->setTitle(mb_substr($sheetName, 0, 31));
//Fill data
$idxRow = 1;
foreach ($items as $subDatas) {
$idxCol = 0;
foreach ($subDatas as $itemValue) {$coords = \PHPExcel_Cell::stringFromColumnIndex($idxCol) . $idxRow;
$currSheet->setCellValueExplicit($coords, $itemValue, \PHPExcel_Cell_DataType::TYPE_STRING);
$idxCol++;
}
$idxRow++;
}
//Style: title bold
if ($this->boldTitle) {$lastColumn = $currSheet->getHighestColumn();
$currSheet->getStyle('A1:' . $lastColumn . '1')->applyFromArray(array('font' => array('bold' => true)));
}
//Style: wrap and autosize text
if ($this->autoSizeText) {$lastColumn = ($lastColumn) ? : $currSheet->getHighestColumn();
$currSheet->getStyle('A2:' . $lastColumn . $idxRow)->getAlignment()->setWrapText(true);
$iterator = $lastColumn;
$iterator++;
for ($column = 'A'; $column != $iterator; $column++) {$currSheet->getColumnDimension($column)->setAutoSize(true);
}
}
//Style cells
if (count($this->cellStyles) > 0 && isset($this->cellStyles[$idxSheet])) {foreach ($this->cellStyles[$idxSheet] as $row) {$currSheet->getStyle($row['selector'])->applyFromArray($row['style']);
}
}
$currSheet->garbageCollect();
$idxSheet++;
}
//Save
$excel->setActiveSheetIndex(0);
$writer = \PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
$writer->save($this->filename);
return $this->filename;
}
}ffmpeg 图片批改
<?php
/**
* exp: Convert video to mp4
* $ffmpeg = new FFMpeg();
* $ffmpeg->open('xxx');
* $ffmpeg->setVcodec('libx264');
* $ffmpeg->setVquality('28');
* $ffmpeg->setAcodec('aac');
* $ffmpeg->setAquality('128k');
* $ffmpeg->setDuration('30');
* $success = $ffmpeg->save('xxx.mp4');
*/
/**
* exp: Convert audio to mp3
* $ffmpeg = new FFMpeg();
* $ffmpeg->setAcodec('libmp3lame');
* $ffmpeg->setAquality('6');
* $ffmpeg->setDuration('30');
* $success = $ffmpeg->save('xxx.mp3');
*/
/**
* exp: Export screenshot
* $ffmpeg = new FFMpeg();
* $ffmpeg->open('xxx.mp4');
* $ffmpeg->setPosition('10');
* $ffmpeg->exportScreenshot('test.png');
*/
/**
* exp: avconv -i source_path -codec:v libx264 -crf 28 -codec:a aac -b:a 128k -strict experimental dest_path
*/
/**
* Class FFMpeg
*/
class FFMpeg
{
/**
* @var bool
* Overwrite output files without asking.
*/
private $overwrite = true;
/**
* @var string
* file path of (input)
*/
private $path = '';
/**
* @var string
* video codec (output)
*/
private $vcodec = '';
/**
* @var string
* audio codec (output)
*/
private $acodec = '';
/**
* @var string
* duration (output)
*
* Stop writing the output after its duration reaches duration.
* duration may be a number in seconds, or in hh:mm:ss[.xxx] form.
*/
private $duration = '';
/**
* @var string
* quality (output audio)
* FOR libmp3lame: 0-9 (a lower value is a higher quality
* 0-3 will normally produce transparent results,
* 4 (default) should be close to perceptual transparency,
* 6 produces an "acceptable" quality.)
* FOR OTHERS: bitrate (in bits/s) 128k, 256k
*/
private $aquality = '';
/**
* @var string
* quality (output video)
* FOR libx264: 0-51 (0: lossless, 23: default, 51: rubbish,
* A value of 18-28 is considered "sane" with 18 being "visually lossless".)
* FOR OTHERS: bitrate (in bits/s) 800k, 1000k
*/
private $vquality = '';
/**
* @var string
* position may be either in seconds or in hh:mm:ss[.xxx] form. (input video)
*/
private $position = '3';
/**
* @var string
* This will scale to your desired width
* and the height will be automatically scaled to the appropriate value to preserve aspect.
*/
private $width = '';
/**
* @param string $filePath
*/
public function __construct($filePath = '')
{$this->path = $filePath;}
/**
* @param boolean $overwrite
*/
public function setOverwrite($overwrite)
{$this->overwrite = $overwrite;}
/**
* @param string $aquality
*/
public function setAquality($aquality)
{$this->aquality = $aquality;}
/**
* @param string $vquality
*/
public function setVquality($vquality)
{$this->vquality = $vquality;}
/**
* @param string $duration
*/
public function setDuration($duration)
{$this->duration = $duration;}
/**
* @param string $filePath
*/
public function open($filePath)
{$this->path = $filePath;}
/**
* @param string $acodec
*/
public function setAcodec($acodec)
{$this->acodec = $acodec;}
/**
* @param string $vcodec
*/
public function setVcodec($vcodec)
{$this->vcodec = $vcodec;}
/**
* @param string $position
*/
public function setPosition($position)
{$this->position = $position;}
/**
* @param string $width
*/
public function setWidth($width)
{$this->width = $width;}
/**
* @param string $filename
* @return bool
* @throws \Exception
*/
public function save($filename)
{if (!file_exists($this->path)) {return false;}
//Do ffmpeg command
$cmdLine = 'avconv -i' . str_replace('','\ ', $this->path);
if ($this->overwrite) {$cmdLine .= '-y';}
// video codec
if ($this->vcodec !== '') {$cmdLine .= '-codec:v' . $this->vcodec;}
// video quality
if ($this->vcodec !== ''&& $this->vquality !=='') {if (stripos($this->vcodec, 'libx264') !== false || stripos($this->vcodec, 'h264') !== false) {if ($this->vquality >= 0 && $this->vquality <= 51) {$cmdLine .= '-crf' . $this->vquality; //h264 use -crf} else {throw new \Exception('quality of video: invalid argument (0-51)');
}
} else {if (stripos($this->vquality, 'k') !== false) {$cmdLine .= '-b:v' . $this->vquality; // others can user -b:v (bitrate)
} else {throw new \Exception('quality of video: invalid argument (128k, 256k...)');
}
}
}
// audio codec
if ($this->acodec !== '') {$cmdLine .= '-codec:a' . $this->acodec;}
// audio quality
if ($this->acodec !== ''&& $this->aquality !=='') {if (stripos($this->acodec, 'libmp3lame') !== false || stripos($this->acodec, 'mp3') !== false) {if ($this->aquality >= 0 && $this->aquality <= 9) {$cmdLine .= '-q:a' . $this->aquality; //mp3 use -qscale:a} else {throw new \Exception('quality of audio: invalid argument (0-9)');
}
} else {if (stripos($this->aquality, 'k') !== false) {$cmdLine .= '-b:a' . $this->aquality; // others can user -b:a (bitrate)
} else {throw new \Exception('quality of audio: invalid argument (128k, 256k...)');
}
}
}
// ouput maximium duration
if ($this->duration !== '') {$cmdLine .= '-t' . $this->duration;}
// strict mode
$cmdLine .= '-strict experimental' . str_replace('','\ ', $filename);
$exec = shell_exec($cmdLine);
return ($exec === null);
}
/**
* @param string $imagename
* @return bool
*/
public function exportScreenshot($imagename)
{if (!file_exists($this->path)) {return false;}
//Do ffmpeg command
$cmdLine = 'avconv -i' . str_replace('','\ ', $this->path);
if ($this->overwrite) {$cmdLine .= '-y';}
if ($this->position) {$cmdLine .= '-ss' . $this->position;}
if ($this->width) {$cmdLine .= '-filter:v scale=' . $this->width . ':-1';}
$cmdLine .= '-frames:v 1' . str_replace('','\ ', $imagename);
$exec = shell_exec($cmdLine);
return ($exec === null);
}
}zip 压缩包
<?php
class Zip
{
/** @var string */
protected $_encoding;
/** @var string */
public $filename;
/**
* Zip constructor.
*/
public function __construct()
{$this->setEncoding('CP437//IGNORE//TRANSLIT');
$this->filename = time() . '.zip';}
/**
* @param string $enc
*/
public function setEncoding($enc = null)
{$this->_encoding = $enc;}
/**
* @param string $fullFilename
*/
public function setFilename($fullFilename)
{$this->filename = $fullFilename;}
/**
*
* @param array $paths string[]
* @return boolean TRUE on success, FALSE on failure
*/
public function compress($paths)
{if (!is_array($paths)) {return false;}
// TODO: rename file
$cleanPaths = array();
foreach ($paths as $path) {$bName = basename($path);
if ($this->_encoding !== null) {$bName = iconv('UTF-8', $this->_encoding, $bName);
}
$cleanPaths[$path] = $bName;
}
if (shell_exec('which zip') !== null) {$success = $this->_compressShell($cleanPaths);
} else {$success = $this->_compressZipArchive($cleanPaths);
}
return $success;
}
/**
* @param array $cleanPaths Files to archive.
* key: full file path, value: new file name
* @return boolean TRUE on success or FALSE on failure.
*/
protected function _compressShell($cleanPaths)
{
// create temporary working folder
$tmpDir = basename($this->filename, '_tmpDir') . '/';
if (is_dir($tmpDir)) {if (!$this->_deleteDir($tmpDir)) {return false;}
}
if (!mkdir($tmpDir, 0777, true)) {return false;}
// copy files to temporary working folder
foreach ($cleanPaths as $path => $cleanPath) {copy($path, $tmpDir . $cleanPath);
}
// zip, 1->compress faster, j->junk (don't record) directory names, q->quiet operation
$cmd = 'zip -1jq' . $this->filename . '' . $tmpDir .'*';
$output = array();
exec($cmd, $output, $return);
// delete temporary working folder
$this->_deleteDir($tmpDir);
// return will return non-zero upon an error
if (!$return) {return true;} else {return false;}
}
/**
* @param array $cleanPaths Files to archive.
* key: full file path, value: new file name
* @return boolean TRUE on success or FALSE on failure.
*/
protected function _compressZipArchive($cleanPaths)
{$zip = new \ZipArchive();
// open zip file
$zip->open($this->filename, \ZipArchive::CREATE);
// add files,
// TODO: improve performance
foreach ($cleanPaths as $path => $cleanPath) {$zip->addFile($path, $cleanPath);
}
// close zip
return $zip->close();}
/**
* @param $dirPath
* @return boolean
*/
protected function _deleteDir($dirPath)
{if (!is_dir($dirPath)) {return false;}
if (substr($dirPath, strlen($dirPath) - 1, 1) != '/') {$dirPath .= '/';}
foreach (glob($dirPath . '*', GLOB_MARK) as $file) {if (is_dir($file)) {$this->_deleteDir($file);
} else {unlink($file);
}
}
return rmdir($dirPath);
}
/**
* @param string $destination
* @param array $entries
* @return boolean
*/
public function deCompress($destination, $entries = null)
{$zip = new \ZipArchive();
$zip->open($this->filename, \ZipArchive::CREATE);
$res = $zip->extractTo($destination, $entries = null);
$zip->close();
return $res;
}
}utils 工具函数
<?php
/**
* Get memory usage
* @return string
*/
public static
function get_memory_usage() {$mem_usage = memory_get_peak_usage(true);
if ($mem_usage < 1024) {return $mem_usage . "bytes";}
elseif($mem_usage < 1048576) {return round($mem_usage / 1024, 2) . "KB";
} else {return round($mem_usage / 1048576, 2) . "MB";
}
}
/**
* Detemine is JSON and decode JSON
* @param string $json
* @param bool $return_data
* @return mixed the formed array or true on success, or false on failure
*/
public static function is_json($json, $return_data = false) {$data = json_decode($json, true);
return (json_last_error() == JSON_ERROR_NONE) ? ($return_data ? $data : TRUE) : FALSE;
}
/**
* Set ini memory limit
* @param mixed $newV string '1024M' or int 1024
* @return string the old value on success, false on failure.
*/
public static function ini_set_memory_limit($newV) {$newVInt = (int)str_ireplace('M', '', (string)$newV);
$oldV = ini_get('memory_limit');
$oldVInt = (int)str_ireplace('M', '', (string)$oldV);
if ($oldVInt < $newVInt) {return ini_set('memory_limit', $newVInt . 'M');
}
return $oldV;
}
/**
* Get mine type of file
* @param string $filename
* @return mixed the mine type on success, or false on failure
*/
public static function get_mime_type($filename) {$realpath = realpath($filename);
if($realpath) {if (function_exists('finfo_file') && function_exists('finfo_open') && defined('FILEINFO_MIME_TYPE')) {$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mimetype = finfo_file($finfo, $realpath);
finfo_close($finfo);
return $mimetype;
}
if (function_exists('mime_content_type')) {return mime_content_type($realpath);
}
}
return false;
}
正文完
