PHP mb_trim函数代码示例

function cs2cs_core2($lat, $lon, $to)
{
    $descriptorspec = array(0 => array("pipe", "r"), 1 => array("pipe", "w"), 2 => array("pipe", "w"));
    if (mb_eregi('^[a-z0-9_ ,.\\+\\-=]*$', $to) == 0) {
        die("invalid arguments in command: " . $to . "\n");
    }
    $command = CS2CS . " +proj=latlong +ellps=WGS84 +to " . $to;
    $process = proc_open($command, $descriptorspec, $pipes);
    if (is_resource($process)) {
        fwrite($pipes[0], $lon . " " . $lat);
        fclose($pipes[0]);
        $stdout = stream_get_contents($pipes[1]);
        fclose($pipes[1]);
        $stderr = stream_get_contents($pipes[2]);
        fclose($pipes[2]);
        //
        // $procstat = proc_get_status($process);
        //
        // neither proc_close nor proc_get_status return reasonable results with PHP5 and linux 2.6.11,
        // see http://bugs.php.net/bug.php?id=32533
        //
        // as temporary (?) workaround, check stderr output.
        // (Vinnie, 2006-02-09)
        if ($stderr) {
            die("proc_open() failed:<br />command='{$command}'<br />stderr='" . $stderr . "'");
        }
        proc_close($process);
        return mb_split("\t|\n| ", mb_trim($stdout));
    } else {
        die("proc_open() failed, command={$command}\n");
    }
}

 /**
  * Validates a string as a time.
  *
  * @param string $value  data to filter
  * @return int  filtered value
  */
 protected function doTransform($value)
 {
     $value = mb_trim($value);
     $regex = '/^(\\d\\d?)[\\.\\:]?(\\d\\d)?\\s*(am|pm)?$/i';
     $matches = null;
     if (!preg_match($regex, $value, $matches)) {
         $this->triggerError();
     }
     $hour = $matches[1];
     $min = isset($matches[2]) ? $matches[2] : false;
     $am_or_pm = isset($matches[3]) ? $matches[3] : false;
     if ($min === false && $am_or_pm === false) {
         $this->triggerError();
     }
     $hour = (int) ltrim($hour, '0');
     if ($hour > 23 || $am_or_pm !== false && $hour > 12) {
         $this->triggerError();
     }
     $min = (int) ltrim($min, '0');
     if ($min > 59) {
         $this->triggerError();
     }
     if (strcasecmp($am_or_pm, 'pm') === 0) {
         $hour += 12;
         if ($hour == 24) {
             $hour = 12;
         }
     } elseif (strcasecmp($am_or_pm, 'am') === 0 && $hour == 12) {
         $hour = 0;
     }
     return $hour * 60 * 60 + $min * 60;
 }

 function parseOutputLine($str)
 {
     $nLon = 0;
     $nLat = 0;
     $parts = explode_multi(mb_trim($str), "\t\n ");
     if (count($parts) == 3) {
         if (strpos($parts[0], '\'') === false) {
             preg_match('/^(\\d+)dE$/', $parts[0], $aLon);
             $nLon = $aLon[1];
         } else {
             if (strpos($parts[0], '"') === false) {
                 preg_match('/^(\\d+)d(\\d+)\'E$/', $parts[0], $aLon);
                 $nLon = $aLon[1] + $aLon[2] / 60;
             } else {
                 preg_match('/^(\\d+)d(\\d+)\'([\\d\\.]+)"E$/', $parts[0], $aLon);
                 $nLon = $aLon[1] + $aLon[2] / 60 + $aLon[3] / 3600;
             }
         }
         if (strpos($parts[1], '\'') === false) {
             preg_match('/^(\\d+)dN$/', $parts[1], $aLat);
             $nLat = $aLat[1];
         } else {
             if (strpos($parts[1], '"') === false) {
                 preg_match('/^(\\d+)d(\\d+)\'N$/', $parts[1], $aLat);
                 $nLat = $aLat[1] + $aLat[2] / 60;
             } else {
                 preg_match('/^(\\d+)d(\\d+)\'([\\d+\\.]+)"N$/', $parts[1], $aLat);
                 $nLat = $aLat[1] + $aLat[2] / 60 + $aLat[3] / 3600;
             }
         }
     }
     $coord = array('lon' => $nLon, 'lat' => $nLat);
     return $coord;
 }

function test_encoding($path)
{
    static $ur_exclude = array('lang/de/ocstyle/search1/search.result.caches', 'lib2/b2evo-captcha', 'lib2/HTMLPurifier', 'lib2/html2text.class.php', 'lib2/imagebmp.inc.php', 'lib2/Net/IDNA2', 'lib2/smarty');
    $contents = file_get_contents($path, false, null, 0, 2048);
    $ur = stripos($contents, "Unicode Reminder");
    if ($ur) {
        if (mb_trim(mb_substr($contents, $ur + 17, 2)) != "メモ") {
            $ur = mb_stripos($contents, "Unicode Reminder");
            if (mb_trim(mb_substr($contents, $ur + 17, 2)) != "メモ") {
                echo "Bad Unicode Reminder found in {$path}: " . mb_trim(mb_substr($contents, $ur + 17, 2)) . "\n";
            } else {
                echo "Unexpected non-ASCII chars (BOMs?) in header of {$path}\n";
            }
        }
    } else {
        $ok = false;
        foreach ($ur_exclude as $exclude) {
            if (mb_strpos($path, $exclude) === 0) {
                $ok = true;
            }
        }
        if (!$ok) {
            echo "No Unicode Reminder found in {$path}\n";
        }
    }
}

function test_encoding($path)
{
    static $ur_exclude = ['lib2/html2text.class.php', 'lib2/imagebmp.inc.php', 'lib2/Net/IDNA2'];
    $contents = file_get_contents($path, false, null, 0, 2048);
    $ur = stripos($contents, "Unicode Reminder");
    if ($ur) {
        if (mb_trim(mb_substr($contents, $ur + 17, 2)) != "メモ") {
            $ur = mb_stripos($contents, "Unicode Reminder");
            if (mb_trim(mb_substr($contents, $ur + 17, 2)) != "メモ") {
                echo "Bad Unicode Reminder found in {$path}: " . mb_trim(mb_substr($contents, $ur + 17, 2)) . "\n";
            } else {
                echo "Unexpected non-ASCII chars (BOMs?) in header of {$path}\n";
            }
        }
    } else {
        $ok = false;
        foreach ($ur_exclude as $exclude) {
            if (mb_strpos($path, $exclude) === 0) {
                $ok = true;
            }
        }
        if (!$ok) {
            echo "No Unicode Reminder found in {$path}\n";
        }
    }
}

 public function index()
 {
     $tags = array();
     if (!empty($this->data['Study']['search'])) {
         $tags = mb_convert_kana(mb_trim($this->data['Study']['search']), 'as');
         $tags = preg_replace('!\\s+!', ' ', $tags);
         $this->passedArgs['tags'] = urlencode($tags);
     }
     if (!empty($this->passedArgs['tags'])) {
         $tags = urldecode($this->passedArgs['tags']);
         $this->data['Study']['search'] = $tags;
         $tags = explode(' ', $tags);
     }
     $ids = null;
     foreach ($tags as $key => $tag) {
         if (is_null($ids)) {
             $conditions = array('LOWER(Tag.tag) LIKE' => strtolower($tag));
         } else {
             $conditions = array('LOWER(Tag.tag) LIKE' => strtolower($tag), 'StudiesTag.study_id' => $ids);
         }
         $joins = array(array('table' => 'tags', 'alias' => 'Tag', 'type' => 'INNER', 'conditions' => array('StudiesTag.tag_id = Tag.id')));
         $fields = array('id', 'study_id');
         $ids = $this->Study->StudiesTag->find('list', compact('conditions', 'joins', 'fields'));
     }
     $this->paginate = array('foreignKey' => false, 'order' => array('study_date' => 'desc'), 'contain' => array('User', 'Tag'));
     if (!is_null($ids)) {
         $this->paginate['conditions'] = array('Study.id' => $ids);
     }
     $this->set('studies', $this->paginate());
 }

 function tagData($parser, $tagData)
 {
     if (mb_trim($tagData)) {
         if (isset($this->stack_ref['DATA'])) {
             $this->stack_ref['DATA'] .= $tagData;
         } else {
             $this->stack_ref['DATA'] = $tagData;
         }
     }
 }

function remove_invalid($arr)
{
    $result = array();
    foreach ($arr as $val) {
        if (!empty($val) && mb_trim($val) !== '') {
            $result[] = $val;
        }
    }
    return $result;
}

 /**
  * Returns original formatted full text.
  */
 function __toString()
 {
     $count = isset($this->parents[get_class($this)]) ? $this->parents[get_class($this)] : 0;
     $prefix = str_repeat('    ', $count) . $this->type . ' ';
     $str = '';
     foreach ($this as $child) {
         $str .= $prefix . mb_trim($child->__toString());
     }
     return $str;
 }

 function beforeValidate(&$model)
 {
     foreach ($model->data[$model->alias] as $key => $data) {
         if (is_string($data)) {
             $data = preg_replace('/<link[^>]+rel="[^"]*stylesheet"[^>]*>|<script[^>]*>.*?<\\/script>|<style[^>]*>.*?<\\/style>|<!--.*?-->/i', '', $data);
             $data = mb_trim($data);
             $model->data[$model->alias][$key] = mb_convert_kana($data, 'a');
         }
     }
     return true;
 }

 public function processUrl($url)
 {
     global $opt;
     $maxsize = 100 * 1024;
     // max. 100kB
     $content = @read_file($url, $maxsize);
     if ($content === false) {
         return false;
     }
     $xml = @simplexml_load_string($content);
     if ($xml === false) {
         return false;
     }
     if (!isset($xml->entry)) {
         return false;
     }
     foreach ($xml->entry as $item) {
         $posting = [];
         $sTitle = $item->title;
         if (mb_strpos($sTitle, '•') !== false) {
             $sTitle = mb_trim(mb_substr($sTitle, mb_strpos($sTitle, '•') + 1));
         }
         $sTitle = strip_tags($sTitle);
         $sTitle = htmlspecialchars_decode($sTitle);
         $sTitle = preg_replace('/\\&.*\\;/U', '', $sTitle);
         $nTopicId = crc32($item->id);
         // workaround ...
         $tUpdated = strtotime($item->updated);
         $sUsername = (string) $item->author->name;
         $sUsername = htmlspecialchars_decode($sUsername);
         $sUsername = preg_replace('/\\&.*\\;/U', '', $sUsername);
         foreach ($item->link->Attributes() as $key => $value) {
             if ($key == 'href') {
                 $sLink = (string) $value;
             }
         }
         $posting['id'] = $nTopicId;
         $posting['title'] = $sTitle;
         $posting['updated'] = $tUpdated;
         $posting['username'] = $sUsername;
         $posting['link'] = $sLink;
         if ($nTopicId != 0) {
             if (isset($this->topiclist[$nTopicId]) && $posting['updated'] > $this->topiclist[$nTopicId]['updated']) {
                 $this->topiclist[$nTopicId] = $posting;
             } else {
                 if (!isset($this->topiclist[$nTopicId])) {
                     $this->topiclist[$nTopicId] = $posting;
                 }
             }
         }
     }
     return true;
 }

 protected function getTitle($url)
 {
     if (!empty($url)) {
         $HttpSocket = new HttpSocket();
         $results = $HttpSocket->get($url);
         $results = mb_convert_encoding($results, Configure::read('App.encoding'), 'auto');
         preg_match('/<title>([^<]*)<\\/title>/i', $results, $matchs);
         if (isset($matchs[1])) {
             return mb_trim($matchs[1]);
         }
     }
     return '';
 }

 /**
  * Trims PHP tags from start/end of source for inlining.
  *
  * @param function $filter  optional filter
  * @return string  code for inlining
  */
 function getInline($filter = null)
 {
     $new = mb_trim($this->src);
     // remove starting tag..
     if (strncmp('<?php', $new, 5) === 0) {
         $new = mb_substr($new, 5);
     }
     if (strncmp('<?', $new, 2) === 0 && strncmp('<?=', $new, 3) !== 0) {
         $new = mb_substr($new, 2);
     }
     // remove ending tag
     $end = mb_substr($new, mb_strlen($new) - 2);
     if (strcmp($end, '?>') === 0) {
         $new = mb_substr($new, 0, mb_strlen($new) - 2);
     }
     return _transform(mb_trim($new), $filter);
 }

 function execute($type, &$value)
 {
     //配列の値はそのうち実装予定
     if (is_array($value)) {
         return $value;
     }
     switch ($type) {
         case 'empty':
             if (!empty($value)) {
                 $value = '';
             }
             break;
         case 'alphabet':
             $value = mb_convert_kana($value, 'r', $this->option_encoding);
             break;
         case 'numeric':
             $value = mb_convert_kana($value, 'n', $this->option_encoding);
             break;
         case 'kanaHankaku':
             $value = mb_convert_kana($value, 'k', $this->option_encoding);
             break;
         case 'kanaZenkaku':
             $value = mb_convert_kana($value, 'KV', $this->option_encoding);
             break;
         case 'alphaNumeric':
             $value = mb_convert_kana($value, 'a', $this->option_encoding);
             break;
         case 'mbTrim':
             if (function_exists('mb_trim')) {
                 $value = mb_trim($value);
             } else {
                 $chars = '\\s　';
                 $value = preg_replace("/^[{$chars}]+/u", "", $value);
                 $value = preg_replace("/[{$chars}]+\$/u", "", $value);
             }
             break;
         case 'trim':
             $value = trim($value);
             break;
         case 'point':
             $value = mb_convert_kana($value, 'n', $this->option_encoding);
             $value = r(a('ー', '－', '．'), a('-', '-', '.'), $value);
             break;
     }
     return $value;
 }

 /**
  * Parses a piece of text into a number of quotations.
  *
  * @param T_Text_Parseable $element
  */
 protected function parse(T_Text_Parseable $element)
 {
     $delimit = preg_quote('""');
     $lf = '(?:\\r\\n|\\n|\\x0b|\\r|\\f|\\x85|^|$)';
     $regex = '/' . $lf . $delimit . '\\s*' . $lf . '(.+?)' . $lf . $delimit . '([^' . $lf . ']*)' . $lf . '/su';
     /* line feed at end */
     // note the trailing 's', this puts the regex in multi-line mode and
     // means that the 'dot' in the middle matches newlines
     $content = $element->getContent();
     $num = preg_match_all($regex, $content, $matches, PREG_OFFSET_CAPTURE);
     if ($num < 1) {
         return;
         /* no change, as no quotes */
     }
     $offset = 0;
     /* Note that the offset produced from preg_match_all is in bytes, not
        unicode characters. Therefore, in the following section we do NOT use
        the mb_* functions to assess length, as we are working in bytes not
        characters. */
     for ($i = 0; $i < $num; $i++) {
         /* pre content */
         if ($offset < $matches[0][$i][1]) {
             $pre = substr($content, $offset, $matches[0][$i][1] - $offset);
             $element->addChild(new T_Text_Plain($pre));
         }
         /* quote */
         $quote = mb_trim($matches[1][$i][0]);
         $cite = mb_trim($matches[2][$i][0]);
         $element->addChild(new T_Text_Quote($cite, $quote));
         /* update offset */
         $offset = $matches[0][$i][1] + strlen($matches[0][$i][0]);
     }
     /* post content */
     if ($offset < strlen($content)) {
         $post = substr($content, $offset);
         $element->addChild(new T_Text_Plain($post));
     }
     /* reset original content */
     $element->setContent(null);
 }