PHP preg_grep函数代码示例

function scan_dir_files($logsdir, $wildcard, $subdir_wildcard, $write_dir, $dbhost, $dbport, $dbuser, $dbpass, $processid)
{
    if (!file_exists($logsdir)) {
        echo "Dir: " . $logsdir . " does not exist\n";
        exit(1);
    }
    $dirHandle = opendir("{$logsdir}");
    //List files in images directory
    while (($file = readdir($dirHandle)) !== false) {
        $file_list[] = $file;
    }
    closedir($dirHandle);
    $filtered_file_list = preg_grep($wildcard, $file_list);
    if (count($filtered_file_list) > 0) {
        $files_to_retrieve = filter_file_list($filtered_file_list, $processid, $dbhost, $dbport, $dbuser, $dbpass);
        foreach ($files_to_retrieve as $file) {
            echo "Copying " . $file . "\n";
            copy($logsdir . '/' . $file, $write_dir . '/' . $file);
        }
    } else {
        echo "No files to copy from the logs dir(" . $logsdir . ").\n";
    }
    $filtered_subdir_list = preg_grep($subdir_wildcard, $file_list);
    foreach ($filtered_subdir_list as $subdir) {
        if (is_dir($logsdir . "/" . $subdir)) {
            echo "Scanning " . $subdir . "\n";
            scan_dir_files($logsdir . "/" . $subdir, $wildcard, $subdir_wildcard, $write_dir, $dbhost, $dbport, $dbuser, $dbpass, $processid);
        }
    }
}

 public function getBodyHighlighted($keywords = null, $wordsAround = 5, $tag = '<b>', $delimiter = ' &hellip; ', $maxMatchesNum = NULL)
 {
     if (!is_array($keywords)) {
         $keywords = preg_replace('/<.*>/Uu', '', $keywords);
         $keywords = preg_replace('/\\s+/u', ' ', $keywords);
         $keywords = preg_split('/\\s+/u', $keywords, -1, PREG_SPLIT_NO_EMPTY);
     }
     $tag_close = preg_replace('/<([a-z0-9]+).*>/isx', '</$1>', $tag);
     array_walk($keywords, 'preg_quote');
     $words = preg_split('/\\s+/u', strip_tags($this->data['BODY']), -1, PREG_SPLIT_NO_EMPTY);
     if (!($matched = preg_grep("/(" . join('|', $keywords) . ")/iu", $words))) {
         return false;
     }
     foreach ($matched as $i => $word) {
         $words[$i] = "{$tag}{$words[$i]}{$tag_close}";
     }
     $matches = array();
     $prev = -$wordsAround * 2;
     foreach ($matched as $i => $word) {
         if ($i - $wordsAround > $prev) {
             $start = $i - $wordsAround;
             if ($start < 0) {
                 $start = 0;
             }
             $matches[] = join(' ', array_slice($words, $start, $wordsAround * 2 + 1));
         }
         $prev = $i;
     }
     if ($maxMatchesNum) {
         $matches = array_slice($matches, 0, $maxMatchesNum);
     }
     return join($delimiter, $matches);
 }

 /**
  * {@inheritDoc}
  */
 public function getConfigTreeBuilder()
 {
     $treeBuilder = new TreeBuilder();
     $rootNode = $treeBuilder->root('hearsay_require_js');
     $rootNode->children()->scalarNode('require_js_src')->cannotBeEmpty()->defaultValue('//cdnjs.cloudflare.com/ajax/libs/require.js/2.1.8/require.min.js')->end()->scalarNode('initialize_template')->cannotBeEmpty()->defaultValue('HearsayRequireJSBundle::initialize.html.twig')->end()->scalarNode('base_url')->defaultValue('js')->end()->scalarNode('base_dir')->isRequired()->cannotBeEmpty()->end()->arrayNode('paths')->defaultValue(array())->useAttributeAsKey('path')->normalizeKeys(false)->prototype('array')->beforeNormalization()->ifString()->then(function ($v) {
         return array('location' => $v);
     })->end()->children()->variableNode('location')->isRequired()->cannotBeEmpty()->validate()->always(function ($v) {
         if (!is_string($v) && !is_array($v)) {
             throw new InvalidTypeException();
         }
         $vs = !is_array($v) ? (array) $v : $v;
         $er = preg_grep('~\\.js$~', $vs);
         if ($er) {
             throw new InvalidPathException();
         }
         return $v;
     })->end()->end()->booleanNode('external')->cannotBeEmpty()->defaultFalse()->end()->end()->end()->end()->arrayNode('shim')->defaultValue(array())->useAttributeAsKey('name')->normalizeKeys(false)->prototype('array')->children()->arrayNode('deps')->defaultValue(array())->prototype('scalar')->end()->end()->scalarNode('exports')->end()->end()->end()->end()->arrayNode('options')->defaultValue(array())->useAttributeAsKey('name')->prototype('array')->beforeNormalization()->always(function ($v) {
         return array('value' => $v);
     })->end()->children()->variableNode('value')->isRequired()->end()->end()->end()->end()->arrayNode('optimizer')->children()->scalarNode('path')->isRequired()->cannotBeEmpty()->end()->booleanNode('hide_unoptimized_assets')->defaultFalse()->end()->booleanNode('declare_module_name')->defaultFalse()->end()->arrayNode('exclude')->defaultValue(array())->prototype('scalar')->end()->end()->arrayNode('modules')->defaultValue(array())->useAttributeAsKey('name')->prototype('array')->children()->scalarNode('name')->cannotBeEmpty()->end()->arrayNode('include')->defaultValue(array())->prototype('scalar')->end()->end()->arrayNode('exclude')->defaultValue(array())->prototype('scalar')->end()->end()->end()->end()->end()->arrayNode('options')->defaultValue(array())->useAttributeAsKey('name')->prototype('array')->beforeNormalization()->always(function ($v) {
         return array('value' => $v);
     })->end()->children()->variableNode('value')->isRequired()->end()->end()->end()->end()->scalarNode('timeout')->cannotBeEmpty()->validate()->ifTrue(function ($v) {
         return !(is_int($v) || ctype_digit($v));
     })->thenInvalid('Invalid number of seconds "%s"')->end()->defaultValue(60)->end()->scalarNode('almond_path')->defaultFalse()->end()->end()->end()->end();
     return $treeBuilder;
 }

function df_browse_cache()
{
    global $db, $prefix;
    $cached = array('config' => array(), 'themes' => array(), 'modules' => array());
    $dir = str_replace(BASEDIR . 'cache/', '', glob(BASEDIR . 'cache/*.{php,inc}', GLOB_BRACE));
    # get all configuration files
    # core files should have its own formatting
    # all cached files should be lower case
    # modules configuration files should go under the module files list, not under core config list
    $pattern = array('/^(a_|bb_|config_|installer)([a-z\\-_]+[^\\.])\\.php/i');
    $replace = array('$1$2');
    $tmp = preg_replace($pattern, $replace, preg_grep('/^(a_|bb_|config_|installer_)/i', $dir));
    foreach ($tmp as $key => $file) {
        $GLOBALS['cpgtpl']->assign_block_vars('config', array('S_FILE' => $file));
    }
    $tmp = array_unique(preg_replace('/^tpl_([a-z0-9\\-_]+)_[a-z0-9\\-_].*+/i', '$1', preg_grep('/^tpl_/i', $dir)));
    foreach ($tmp as $key => $file) {
        $GLOBALS['cpgtpl']->assign_block_vars('themes', array('S_FILE' => $file));
    }
    //$Module = new Module;
    //$modules = implode('|', arrayRebuild($Module->list, array('title')));
    $modules = array();
    $result = $db->sql_query('SELECT title FROM ' . $prefix . '_modules');
    while ($row = $db->sql_fetchrow($result, SQL_NUM)) {
        $modules[] = $row[0];
    }
    $db->free_result($result);
    $modules = implode('|', $modules);
    $tmp = array_unique(preg_replace('/^(' . $modules . ')_.*/i', '$1', preg_grep('/^(' . $modules . ')/i', $dir)));
    foreach ($tmp as $key => $file) {
        $GLOBALS['cpgtpl']->assign_block_vars('modules', array('S_FILE' => $file, 'U_DEL' => URL::admin("cache&module={$file}&delete")));
    }
    unset($dir, $modules, $tmp);
}

 /**
  * Return all available sets
  * @return array
  */
 public function getAvailableSetFiles()
 {
     $strDir = TL_ROOT . '/web/bundles/contaoddadvancedclasses/sets/';
     $arrFiles = preg_grep('~\\.(json)$~', scandir($strDir));
     $arrFiles = array_combine($arrFiles, $arrFiles);
     return $arrFiles;
 }

 function buildAttributes()
 {
     $this->fieldnames = array();
     $this->attributes = array();
     $email = null;
     // First let's find the email field.
     // First we'll check to see if any fields have been explicitly
     // flagged as email address fields.
     foreach ($this->table->fields(false, true) as $field) {
         if (@$field['email']) {
             $email = $field['name'];
             break;
         }
     }
     if (!isset($email)) {
         // Next lets see if any of the fields actually contain the word
         // email in the name
         $candidates = preg_grep('/(email)/i', array_keys($this->table->fields()));
         foreach ($candidates as $candidate) {
             if ($this->table->isChar($candidate)) {
                 $email = $candidate;
                 break;
             }
         }
     }
     if (isset($email)) {
         $field =& $this->table->getField($email);
         $this->attributes['email'] =& $field;
         unset($field);
         $this->fieldnames['email'] = $email;
     }
     return true;
 }

function wpcf7_akismet_submitted_params()
{
    $params = array('author' => '', 'author_email' => '', 'author_url' => '');
    $content = '';
    $fes = wpcf7_scan_shortcode();
    foreach ($fes as $fe) {
        if (!isset($fe['name']) || !isset($_POST[$fe['name']])) {
            continue;
        }
        $value = $_POST[$fe['name']];
        if (is_array($value)) {
            $value = implode(', ', wpcf7_array_flatten($value));
        }
        $value = trim($value);
        $options = (array) $fe['options'];
        if (preg_grep('%^akismet:author$%', $options)) {
            $params['author'] = trim($params['author'] . ' ' . $value);
        } elseif (preg_grep('%^akismet:author_email$%', $options)) {
            if ('' == $params['author_email']) {
                $params['author_email'] = $value;
            }
        } elseif (preg_grep('%^akismet:author_url$%', $options)) {
            if ('' == $params['author_url']) {
                $params['author_url'] = $value;
            }
        }
        $content = trim($content . "\n\n" . $value);
    }
    $params = array_filter($params);
    if (!$params) {
        return false;
    }
    $params['content'] = $content;
    return $params;
}

 /**
  * Handle the match
  */
 function handle($match, $state, $pos, &$handler)
 {
     switch ($state) {
         case DOKU_LEXER_ENTER:
             $data = strtolower(trim(substr($match, strpos($match, ' '), -1)));
             return array($state, $data);
         case DOKU_LEXER_UNMATCHED:
             // check if $match is a == header ==
             $headerMatch = preg_grep('/([ \\t]*={2,}[^\\n]+={2,}[ \\t]*(?=))/msSi', array($match));
             if (empty($headerMatch)) {
                 $handler->_addCall('cdata', array($match), $pos);
             } else {
                 // if it's a == header ==, use the core header() renderer
                 // (copied from core header() in inc/parser/handler.php)
                 $title = trim($match);
                 $level = 7 - strspn($title, '=');
                 if ($level < 1) {
                     $level = 1;
                 }
                 $title = trim($title, '=');
                 $title = trim($title);
                 $handler->_addCall('header', array($title, $level, $pos), $pos);
             }
             return false;
         case DOKU_LEXER_EXIT:
             return array($state, '');
     }
     return false;
 }

 public static function fast_array_key_filter($array, $pattern)
 {
     $pattern = '/' . preg_quote($pattern) . '/';
     $keys = preg_grep($pattern, array_keys($array));
     $retArray = array_flip($keys);
     return array_intersect_key($array, $retArray);
 }

/**
 * viewdirtree()
 *
 * @param mixed $dir
 * @param mixed $currentpath
 * @return
 */
function viewdirtree($dir, $currentpath)
{
    global $array_dirname, $global_config, $module_file;
    $pattern = !empty($dir) ? '/^(' . nv_preg_quote($dir) . ')\\/([^\\/]+)$/' : '/^([^\\/]+)$/';
    $_dirlist = preg_grep($pattern, array_keys($array_dirname));
    $content = '';
    foreach ($_dirlist as $_dir) {
        $check_allow_upload_dir = nv_check_allow_upload_dir($_dir);
        if (!empty($check_allow_upload_dir)) {
            $class_li = ($_dir == $currentpath or strpos($currentpath, $_dir . '/') !== false) ? 'open collapsable' : 'expandable';
            $style_color = $_dir == $currentpath ? ' style="color:red"' : '';
            $tree = array();
            $tree['class1'] = $class_li;
            $tree['class2'] = nv_set_dir_class($check_allow_upload_dir) . ' pos' . nv_string_to_filename($dir);
            $tree['style'] = $style_color;
            $tree['title'] = $_dir;
            $tree['titlepath'] = basename($_dir);
            $content2 = viewdirtree($_dir, $currentpath);
            $xtpl = new XTemplate('foldlist.tpl', NV_ROOTDIR . '/themes/' . $global_config['module_theme'] . '/modules/' . $module_file);
            $xtpl->assign('DIRTREE', $tree);
            if (empty($content2)) {
                $content2 = '<li class="hide">&nbsp;</li>';
            }
            if (!empty($content2)) {
                $xtpl->assign('TREE_CONTENT', $content2);
                $xtpl->parse('tree.tree_content');
            }
            $xtpl->parse('tree');
            $content .= $xtpl->text('tree');
        }
    }
    return $content;
}

 public static function render_instance(BlockInstance $instance, $editing = false)
 {
     global $THEME;
     $configdata = $instance->get('configdata');
     if (!isset($configdata['license'])) {
         return '';
     }
     $licensetype = reset(preg_grep('/^([a-z\\-]+)$/', array($configdata['license'])));
     if (isset($configdata['version'])) {
         $licenseversion = get_string('version' . $configdata['version'], 'blocktype.creativecommons');
     } else {
         $licenseversion = get_string('version30', 'blocktype.creativecommons');
     }
     $licenseurl = "http://creativecommons.org/licenses/{$licensetype}/{$licenseversion}/";
     $view = $instance->get_view();
     $workname = '<span rel="dc:type" href="http://purl.org/dc/dcmitype/Text" property="dc:title">' . $view->display_title(true, false, false) . '</span>';
     $authorurl = $view->owner_link();
     $authorname = hsc($view->formatted_owner());
     $licensename = get_string('cclicensename', 'blocktype.creativecommons', get_string($licensetype, 'blocktype.creativecommons'), $licenseversion);
     $licenselink = '<a rel="license" href="' . $licenseurl . '">' . $licensename . '</a>';
     $attributionlink = '<a rel="cc:attributionURL" property="cc:attributionName" href="' . $authorurl . '">' . $authorname . '</a>';
     $licensestatement = get_string('cclicensestatement', 'blocktype.creativecommons', $workname, $attributionlink, $licenselink);
     $permissionlink = '<a rel="cc:morePermissions" href="' . $authorurl . '">' . $authorname . '</a>';
     $otherpermissions = get_string('otherpermissions', 'blocktype.creativecommons', $permissionlink);
     $smarty = smarty_core();
     $smarty->assign('licenseurl', $licenseurl);
     $smarty->assign('licenselogo', $THEME->get_image_url($licensetype . '-3_0', 'blocktype/creativecommons'));
     $smarty->assign('licensestatement', $licensestatement);
     $smarty->assign('otherpermissions', $otherpermissions);
     return $smarty->fetch('blocktype:creativecommons:statement.tpl');
 }

 /**
  * Standard modular run function for OcCLE hooks.
  *
  * @param  array	The options with which the command was called
  * @param  array	The parameters with which the command was called
  * @param  object  A reference to the OcCLE filesystem object
  * @return array	Array of stdcommand, stdhtml, stdout, and stderr responses
  */
 function run($options, $parameters, &$occle_fs)
 {
     if (array_key_exists('h', $options) || array_key_exists('help', $options)) {
         return array('', do_command_help('grep', array('h'), array(true, true)), '', '');
     } else {
         if (!array_key_exists(0, $parameters)) {
             return array('', '', '', do_lang('MISSING_PARAM', '1', 'grep'));
         }
         if (!array_key_exists(1, $parameters)) {
             return array('', '', '', do_lang('MISSING_PARAM', '2', 'grep'));
         } else {
             $parameters[1] = $occle_fs->_pwd_to_array($parameters[1]);
         }
         if (!$occle_fs->_is_file($parameters[1])) {
             return array('', '', '', do_lang('NOT_A_FILE', '2'));
         }
         $_lines = unixify_line_format($occle_fs->read_file($parameters[1]));
         $lines = explode("\n", $_lines);
         if ($parameters[0] == '' || $parameters[0][0] != '#' && $parameters[0][0] != '/') {
             $parameters[0] = '#' . $parameters[0] . '#';
         }
         $matches = preg_grep($parameters[0], $lines);
         $output = '';
         foreach ($matches as $value) {
             $output .= $value . "\n";
         }
         return array('', '', $output, '');
     }
 }

 /**
  * Unset the X-Pingback HTTP header.
  *
  * @hook
  *
  * @priority 20
  */
 public function template_redirect()
 {
     $headers = headers_list();
     if (preg_grep('/X-Pingback:/', $headers)) {
         header_remove('X-Pingback');
     }
 }

 public function send(SendGrid\Email $email)
 {
     $fields = $email->toWebFormat();
     $headers = array();
     if ("credentials" == $this->method) {
         $fields['api_user'] = $this->username;
         $fields['api_key'] = $this->password;
     } else {
         $headers = array('Authorization' => 'Bearer ' . $this->apikey);
     }
     $files = preg_grep('/files/', array_keys($fields));
     foreach ($files as $k => $file) {
         $fields[$file] = file_get_contents(substr($fields[$file], 1));
     }
     $data = array('body' => $fields);
     if (count($headers)) {
         $data['headers'] = $headers;
     }
     $response = wp_remote_post(self::URL, $data);
     if (!is_array($response) or !isset($response['body'])) {
         return false;
     }
     if ("success" == json_decode($response['body'])->message) {
         return true;
     }
     return false;
 }

 /**
  * Метод возвращает название банка и его идентификатор,
  * фильтруя по первым набранных символам
  *
  * @param Request $request
  * @return \Illuminate\Http\JsonResponse
  */
 public function getBanksAutoCompleteArray(Request $request)
 {
     $validator = Validator::make($request->all(), ['item' => 'required|string|max:255']);
     if ($validator->fails()) {
         $error = $validator->errors()->all();
         return response()->json(['error' => true, $error]);
     }
     $term = $request->get('item');
     $query = \DB::table('banks')->select('title', 'id')->where('publish', '=', 1)->get();
     /**
      * дальше идут манипуляции с объектом ответа
      * для того, чтобы представить его
      * в нужном формате, возможно
      * можно сделать оптимальнее
      */
     foreach ($query as $q) {
         $tempArray[] = $q->title;
     }
     // Шаблон рег. выражения
     $pattern = '/' . preg_quote($term) . '/iu';
     // ф-я возвращает массив совпадений
     $resultArrayBanks = preg_grep($pattern, $tempArray);
     $id = \DB::table('banks')->select('url')->where('publish', '=', 1)->whereIn('title', $resultArrayBanks)->get();
     $i = 0;
     foreach ($resultArrayBanks as $resultArrayBank) {
         $id[$i]->title = $resultArrayBank;
         $i++;
     }
     return \Response::json($id);
 }