PHP _echo函数代码示例

 public function actionFind()
 {
     if (isset($_POST['flightNumber'])) {
         $current = date('Y-m-d');
         $flightNumber = $_POST['flightNumber'];
         $criteria = new CDbCriteria();
         $criteria->join = 'LEFT JOIN tbl_mry_user ON tbl_mry_plan.userId=tbl_mry_user.userId';
         $criteria->addCondition('flightNumber=:flightNumber');
         $criteria->params = array(':flightNumber' => $flightNumber);
         $criteria->order = 'startDate DESC';
         $UserModel = User::model();
         $total = $UserModel->count($criteria);
         $pager = new CPagination($total);
         $pager->pageSize = 10;
         $pager->applyLimit($criteria);
         $UserList = $UserModel->findAll($criteria);
         //删除PASSWORD相关的信息
         $dataFormat = new DataFormat();
         $format = $dataFormat->format($userList, null, null);
         $clientFlash = new ClientFlash();
         if ($total > 0) {
             $clientFlash->pushMobile(0, $format);
         } else {
             _echo(3, 数据为空);
         }
     }
 }

 /**
  * Parses the page
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return Apache
  */
 protected function parsePage()
 {
     $d = new DOMDocument();
     @$d->loadhtml($this->raw_html);
     $xpath = new DOMXPath($d);
     $versions = $xpath->query('//a[starts-with(@href, "/download/VC14/binaries/")]');
     /** @var DOMNode $v */
     foreach ($versions as $v) {
         $c14 = $v->C14N();
         if (stripos($c14, '.zip"') !== false && stripos($c14, '-win32-') !== false) {
             $matches = [];
             preg_match('~"[/a-z0-9\\-.]+"~i', $c14, $matches);
             if (!empty($matches)) {
                 $matches = $matches[0];
                 $link = explode('-win32-', explode('httpd-', $matches)[1])[0];
                 $this->download_links[$link] = self::HOST . trim($matches, ' "');
             }
         }
     }
     if (empty($this->download_links)) {
         _echo('No download links found.');
     } else {
         _echo(count($this->download_links) . ' Apache HTTPD versions found for download.');
     }
     return $this;
 }

 /**
  * Downloads a version
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return AbstractBinSetup
  */
 protected function download()
 {
     $this->downloader = new Downloader($this->links[$this->version], $this->dest);
     if ($this->downloader->download()) {
         _echo('Download successful. Setting up version ' . $this->version);
         sleep(1);
     } else {
         die('Download failed. Aborting setup.');
     }
     return $this;
 }

 /**
  * Attempts to route a request
  *
  * @author Art <a.molcanovas@gmail.com>
  */
 function route()
 {
     if (!defined('PHPUNIT_RUNNING')) {
         $route = trim(strtolower(get(IO::$argv[0])));
         $file = DIR_CORE . 'routes' . DIRECTORY_SEPARATOR . $route . '.php';
         if (file_exists($file)) {
             include $file;
         } else {
             _echo('The route ' . $route . ' is invalid.');
         }
     }
 }

 /**
  * Downloads the page
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return PHP
  */
 protected function downloadPage()
 {
     _echo('Loading PHP download page');
     $this->curl = new cURL(self::HOST . '/download/');
     $this->curl->exec();
     if ($this->curl->errno() != CURLE_OK) {
         die('Failed to load PHP download page');
     } else {
         _echo('PHP download page loaded');
         $this->raw_html = $this->curl->get();
     }
     return $this;
 }

 /**
  * Prompts to download a different version
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return BinDownloaderTrait
  */
 protected function promptDownload()
 {
     $this->getInstalledVers()->filterLinks();
     if (!empty($this->links)) {
         $version_numbers = array_keys($this->links);
         _echo('The following versions were found for download (versions already installed are not included): ' . PHP_EOL . "\t" . implode(PHP_EOL . "\t", $version_numbers));
         $io = trim(IO::readline('Which version would you like to download? Input N to abort'));
         if (!$io) {
             $this->promptDownload();
         } elseif ($io == 'n') {
             die('Aborting.');
         } elseif (!isset($this->links[$io])) {
             _echo('The version you selected is not available for download.');
             $this->promptDownload();
         } else {
             $this->version = $io;
             $this->download();
             return $this;
         }
     } else {
         die('There are no versions available to download that aren\'t installed already.');
     }
     return $this;
 }

function _info($text, $prefix = true)
{
    _echo($text, '[info]: ');
}

 /**
  * Copies unzipped contents
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return MySQL
  */
 protected function copy()
 {
     $scan = scandir($this->dest_unzip);
     Format::formatScandir($scan);
     $dir = null;
     foreach ($scan as $s) {
         if (is_dir($this->dest_unzip . $s)) {
             $dir = $this->dest_unzip . $s;
             break;
         }
     }
     if (!$dir) {
         die('Could not find the MySQL source directory in the unzipped files. Aborting.');
     } else {
         _echo('Copying downloaded contents. It\'s usually over 1GB so this might take a while...');
         $source = $dir;
         $this->unzipped_destination = DIR_MYSQL . $this->version;
         if (!file_exists($this->unzipped_destination . DIRECTORY_SEPARATOR)) {
             mkdir($this->unzipped_destination . DIRECTORY_SEPARATOR, 777, true);
         }
         shell_exec('xcopy /s /e "' . $source . '" "' . $this->unzipped_destination . '"');
         $this->unzipped_destination .= DIRECTORY_SEPARATOR;
         if (file_exists($this->unzipped_destination . 'bin')) {
             _echo('Copy successful!');
             $this->cleanup();
             $this->updateSettings();
         } else {
             die('Failed to copy. Terminating setup.');
         }
     }
     return $this;
 }

 /**
  * Starts the download
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return bool Whther the download was successful (on the cURL side)
  */
 function download()
 {
     if (file_exists($this->dest)) {
         unlink($this->dest);
     }
     $this->fp = fopen($this->dest, 'w');
     $this->curl->setopt(CURLOPT_FILE, $this->fp);
     $this->curl->exec();
     fclose($this->fp);
     $errno = $this->curl->errno();
     if ($errno === CURLE_OK) {
         return true;
     } else {
         _echo($this->curl->error());
         return false;
     }
 }

    $hs = "," . $str . ",";
    $n = "," . $val . ",";
    $pos = strpos($hs, $n);
    $_wallet_prev = null;
    $_wallet_next = null;
    if ($pos !== false) {
        $_wallet_prev = wallet_prev($hs, $n);
        $_wallet_next = wallet_next($hs, $n);
    }
    return array("wallet_prev" => $_wallet_prev, "wallet_next" => $_wallet_next);
}
function _echo($str, $val)
{
    echo "needle: " . $val . "\n";
    $res = pagination($str, $val);
    echo "prev: " . $res["wallet_prev"] . "\n";
    echo "next: " . $res["wallet_next"] . "\n";
    echo "------------------------------------\n";
}
echo "* ******************************** *\n";
echo "* STRING EXPLOSION without explode *\n";
echo "* ******************************** *\n";
echo "\n";
echo "Given Input " . $str . "\n";
echo "____________________________________\n\n";
foreach ($seed["arr"] as $val) {
    _echo($seed["str"], (string) $val);
}
$endTime = time();
echo "\n\n";
echo "The calculations took " . (string) ($endTime - $startTime) . "ms!\n\n";

 /**
  * Checks and creates the memcache directory
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return Setup
  */
 function checkMemcache()
 {
     if (file_exists(DIR_MEMCACHE)) {
         _echo('Memcache OK');
     } else {
         $rl = \IO::readline('Memcache not found. Would you like to download it? It\'s an optional module. [Y/N]');
         switch ($rl) {
             case 'y':
                 _echo('Contacting download server...');
                 new \Setup\Memcache();
                 break;
             case 'n':
                 _echo('Memcache skipped');
                 break;
             default:
                 return $this->checkMemcache();
         }
     }
     return $this;
 }

 /**
  * Generates the actual download links (MySQL has a two-page thing for this)
  *
  * @author Art <a.molcanovas@gmail.com>
  * @return MySQL
  */
 protected function getAcutalLinks()
 {
     foreach ($this->download_links as $version => &$download_page) {
         $html = file_get_contents($download_page);
         if ($html) {
             $domdoc = new DOMDocument();
             @$domdoc->loadHTML($html);
             $xpath = new DOMXPath($domdoc);
             $link = $xpath->query('//a[contains(.,"No thanks, just start my download.")]')->item(0);
             if ($link) {
                 $matches = [];
                 preg_match('~"[a-z0-9\\-\\?\\./=]+"~i', $link->C14N(), $matches);
                 if (!empty($matches)) {
                     $download_page = self::HOST . trim($matches[0], ' "');
                     continue;
                 }
             }
         }
         unset($this->download_links[$version]);
     }
     if (empty($this->download_links)) {
         _echo('No download links found.');
     } else {
         _echo(count($this->download_links) . ' MySQL versions found for download.');
     }
     return $this;
 }

function cli_processPlaylist($folder, $info)
{
    $nextPageToken = null;
    $items = array();
    do {
        $data = tubeAPI::getInstance()->playlistItems($info['id'], $nextPageToken);
        if (!empty($data->nextPageToken)) {
            $nextPageToken = $data->nextPageToken;
        }
        $items = array_merge($items, $data->items);
    } while (!empty($data->nextPageToken));
    if (!empty($info['filter'])) {
        _echo('    Using title filter: `' . $info['filter'] . '`');
        foreach ($items as $i => $item) {
            if (false === strstr($item->snippet->title, $info['filter'])) {
                unset($items[$i]);
            }
        }
    }
    $items = array_values($items);
    _echo('    ' . count($items) . ' items found');
    $itemsInFolder = 0;
    $itemsDownloaded = 0;
    foreach ($items as $item) {
        if (!empty($info['inRegex']) && !empty($info['outRegex'])) {
            $fileName = preg_replace(chr(1) . $info['inRegex'] . chr(1), $info['outRegex'], $item->snippet->title) . '.mp4';
        } else {
            $fileName = $item->snippet->title . '.mp4';
        }
        $fileName = preg_replace('"\\s+"', ' ', $fileName);
        if (file_exists($folder . '/' . $fileName)) {
            // 			_echo( '    File `' . $fileName . '` exists' );
            $itemsInFolder++;
            continue;
        } else {
            ini_set('set_time_limit', '0');
            $vUrl = 'http://www.youtube.com/watch?v=' . $item->snippet->resourceId->videoId;
            _echo('    Downloading file `' . $fileName . '` from `' . $vUrl . '`...');
            _echo('      > youtube-dl -f 22 -o "%(title)s.%(ext)s" "' . $item->snippet->resourceId->videoId . '"');
            $downFileName = exec('youtube-dl -f 22 --get-filename -o "%(title)s.%(ext)s" "' . $item->snippet->resourceId->videoId . '"', $null, $ret);
            exec('youtube-dl -f 22 -o "' . $folder . '/%(title)s.%(ext)s" ' . $item->snippet->resourceId->videoId, $null, $ret);
            if (!empty($info['inRegex']) && !empty($info['outRegex']) && $downFileName != $fileName) {
                if (!rename($folder . '/' . $downFileName, $folder . '/' . $fileName)) {
                    _error('Unable to rename file');
                    _error('    >"' . $folder . '/' . $downFileName . '"' . (file_exists($folder . '/' . $downFileName) ? ' [exists]' : ' [NOT exists]'), false);
                    _error('    <"' . $folder . '/' . $fileName . '"' . (file_exists($folder . '/' . $fileName) ? ' [EXISTS]' : ' [not exists]'), true);
                }
            }
            _echo('      Done');
            $itemsDownloaded++;
        }
    }
    if ($itemsInFolder == count($items)) {
        _echo('    Playlist is up to date. Nothing to download.');
    } else {
        if (!empty($itemsDownloaded)) {
            _echo('    ' . $itemsDownloaded . ' files downloaded.');
        }
    }
}

<?php

// echo or print
function _echo($string)
{
    $out = fopen('php://output', 'w');
    fwrite($out, $string);
    fclose($out);
}
_echo('Hello php://output!');

    echo wordwrap($string, 79) . "\n";
}
if (!$cmd_line) {
    _echo('<pre>');
}
if ($version === 'master') {
    _echo('You are using a development version, I cannot check how up to date it is.');
    _echo('You can download the latest stable release from ' . urlify($DOWNLOAD_URL));
} else {
    _echo('Checking version...');
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $URL);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_USERAGENT, 'Luminous ' . LUMINOUS_VERSION . ' version check');
    $json = curl_exec($ch);
    curl_close($ch);
    if (!$json) {
        _echo('Remote request failed. Try again later or visit ' . urlify($DOWNLOAD_URL) . ' to see what the latest version is');
    } else {
        $data = json_decode($json, true);
        if ($data['release_number'] === $version || 'v' . $data['release_number'] === $version) {
            _echo('You are up to date!');
        } else {
            $output = "You are not up to date: your version is " . $version . " and the most recent release is " . $data['release_number'] . ", released " . $data['release_date'] . '. ' . ' Visit ' . urlify($DOWNLOAD_URL) . ' to upgrade';
            _echo($output);
        }
    }
}
if (!$cmd_line) {
    _echo('</pre>');
}