PHP join函数代码示例

 function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
 {
     $indent = $depth ? str_repeat("\t", $depth) : '';
     $classes = empty($item->classes) ? array() : (array) $item->classes;
     $classes[] = 'menu-item-' . $item->ID;
     $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args, $depth));
     /**
      * Change WP's default classes to match Foundation's required classes
      */
     $class_names = str_replace(array('menu-item-has-children'), array('has-submenu'), $class_names);
     // ==========================
     $class_names = $class_names ? ' class="' . esc_attr($class_names) . '"' : '';
     $id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args, $depth);
     $id = $id ? ' id="' . esc_attr($id) . '"' : '';
     $output .= $indent . '<li' . $id . $class_names . '>';
     $atts = array();
     $atts['title'] = !empty($item->attr_title) ? $item->attr_title : '';
     $atts['target'] = !empty($item->target) ? $item->target : '';
     $atts['rel'] = !empty($item->xfn) ? $item->xfn : '';
     $atts['href'] = !empty($item->url) ? $item->url : '';
     $atts = apply_filters('nav_menu_link_attributes', $atts, $item, $args, $depth);
     $attributes = '';
     foreach ($atts as $attr => $value) {
         if (!empty($value)) {
             $value = 'href' === $attr ? esc_url($value) : esc_attr($value);
             $attributes .= ' ' . $attr . '="' . $value . '"';
         }
     }
     $item_output = $args->before;
     $item_output .= '<a' . $attributes . '>';
     $item_output .= $args->link_before . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
     $item_output .= '</a>';
     $item_output .= $args->after;
     $output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
 }

/**
 * determines the langauge settings of the browser, details see here:
 * http://aktuell.de.selfhtml.org/artikel/php/httpsprache/
 */
function lang_getfrombrowser($allowed_languages, $default_language, $lang_variable = null, $strict_mode = true)
{
    // $_SERVER['HTTP_ACCEPT_LANGUAGE'] verwenden, wenn keine Sprachvariable mitgegeben wurde
    if ($lang_variable === null && isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
        $lang_variable = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
    }
    // wurde irgendwelche Information mitgeschickt?
    if (empty($lang_variable)) {
        // Nein? => Standardsprache zurückgeben
        return $default_language;
    }
    // Den Header auftrennen
    $accepted_languages = preg_split('/,\\s*/', $lang_variable);
    // Die Standardwerte einstellen
    $current_lang = $default_language;
    $current_q = 0;
    // Nun alle mitgegebenen Sprachen abarbeiten
    foreach ($accepted_languages as $accepted_language) {
        // Alle Infos über diese Sprache rausholen
        $res = preg_match('/^([a-z]{1,8}(?:-[a-z]{1,8})*)' . '(?:;\\s*q=(0(?:\\.[0-9]{1,3})?|1(?:\\.0{1,3})?))?$/i', $accepted_language, $matches);
        // war die Syntax gültig?
        if (!$res) {
            // Nein? Dann ignorieren
            continue;
        }
        // Sprachcode holen und dann sofort in die Einzelteile trennen
        $lang_code = explode('-', $matches[1]);
        // Wurde eine Qualität mitgegeben?
        if (isset($matches[2])) {
            // die Qualität benutzen
            $lang_quality = (double) $matches[2];
        } else {
            // Kompabilitätsmodus: Qualität 1 annehmen
            $lang_quality = 1.0;
        }
        // Bis der Sprachcode leer ist...
        while (count($lang_code)) {
            // mal sehen, ob der Sprachcode angeboten wird
            if (in_array(strtolower(join('-', $lang_code)), $allowed_languages)) {
                // Qualität anschauen
                if ($lang_quality > $current_q) {
                    // diese Sprache verwenden
                    $current_lang = strtolower(join('-', $lang_code));
                    $current_q = $lang_quality;
                    // Hier die innere while-Schleife verlassen
                    break;
                }
            }
            // Wenn wir im strengen Modus sind, die Sprache nicht versuchen zu minimalisieren
            if ($strict_mode) {
                // innere While-Schleife aufbrechen
                break;
            }
            // den rechtesten Teil des Sprachcodes abschneiden
            array_pop($lang_code);
        }
    }
    // die gefundene Sprache zurückgeben
    return $current_lang;
}

 public function notify($errno, $errstr, $errfile, $errline, $trace)
 {
     $body = array();
     $body[] = $this->_makeSection("", join("\n", array(@$_SERVER['GATEWAY_INTERFACE'] ? "//{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}" : "", "{$errno}: {$errstr}", "at {$errfile} on line {$errline}")));
     if ($this->_whatToLog & self::LOG_TRACE && $trace) {
         $body[] = $this->_makeSection("TRACE", Debug_ErrorHook_Util::backtraceToString($trace));
     }
     /*if ($this->_whatToLog & self::LOG_SERVER) {
           $body[] = $this->_makeSection("SERVER", Debug_ErrorHook_Util::varExport($_SERVER));
       }*/
     if (!empty($_COOKIE) && $this->_whatToLog & self::LOG_COOKIE) {
         $body[] = $this->_makeSection("COOKIES", Debug_ErrorHook_Util::varExport($_COOKIE));
     }
     if (!empty($_GET) && $this->_whatToLog & self::LOG_GET) {
         $body[] = $this->_makeSection("GET", Debug_ErrorHook_Util::varExport($_GET));
     }
     if (!empty($_POST) && $this->_whatToLog & self::LOG_POST) {
         $body[] = $this->_makeSection("POST", Debug_ErrorHook_Util::varExport($_POST));
     }
     if (!empty($_SESSION) && $this->_whatToLog & self::LOG_SESSION) {
         $body[] = $this->_makeSection("SESSION", Debug_ErrorHook_Util::varExport(@$_SESSION));
     }
     // Append body suffix?
     $suffix = $this->_bodySuffix && is_callable($this->_bodySuffix) ? call_user_func($this->_bodySuffix) : $this->_bodySuffix;
     if ($suffix) {
         $body[] = $this->_makeSection("ADDITIONAL INFO", $suffix);
     }
     // Remain only 1st line for subject.
     $errstr = preg_replace("/\r?\n.*/s", '', $errstr);
     $this->_notifyText("{$errno}: {$errstr} at {$errfile} on line {$errline}", join("\n", $body));
 }

 function start_el(&$output, $item, $depth = 0, $args = array(), $id = 0)
 {
     global $wp_query;
     $indent = $depth ? str_repeat("\t", $depth) : '';
     $class_names = $value = '';
     $classes = empty($item->classes) ? array() : (array) $item->classes;
     $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item));
     $class_names = ' class="' . esc_attr($class_names) . '"';
     $output .= $indent . '<li id="shopkeeper-menu-item-' . $item->ID . '"' . $value . $class_names . '>';
     $attributes = !empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) . '"' : '';
     $attributes .= !empty($item->target) ? ' target="' . esc_attr($item->target) . '"' : '';
     $attributes .= !empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
     $attributes .= !empty($item->url) ? ' href="' . esc_attr($item->url) . '"' : '';
     $prepend = '';
     $append = '';
     //$description  = ! empty( $item->description ) ? '<span>'.esc_attr( $item->description ).'</span>' : '';
     if ($depth != 0) {
         $description = $append = $prepend = "";
     }
     $item_output = $args->before;
     $item_output .= '<a' . $attributes . '>';
     $item_output .= $args->link_before . $prepend . apply_filters('the_title', $item->title, $item->ID) . $append;
     //$item_output .= $description.$args->link_after;
     //$item_output .= ' '.$item->background_url.'</a>';
     $item_output .= '</a>';
     $item_output .= $args->after;
     $output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
     apply_filters('walker_nav_menu_start_lvl', $item_output, $depth, $args->background_url = $item->background_url);
 }

function makeHex($st)
{
    for ($i = 0; $i < strlen($st); $i++) {
        $hex[] = sprintf("%02X", ord($st[$i]));
    }
    return join(" ", $hex);
}

 public function render($placeholder, array $options = array())
 {
     $dataString = '';
     $optionsString = '';
     //{ label: "sin(x)",  data: d1}
     $list = array();
     foreach ($this->getDatas() as $item) {
         $datas = array();
         foreach ($item[self::FIELD_DATA] as $key => $value) {
             $datas[] = '[' . $key . ', ' . $value . ']';
         }
         $optionsList = array();
         foreach ($item as $name => $value) {
             if ($name == self::FIELD_DATA) {
                 continue;
             }
             $optionsList[] = $name . ':"' . $value . '"';
         }
         $list[] = '    {' . join(', ', $optionsList) . (!empty($optionsList) ? ', ' : '') . 'data: [' . join(', ', $datas) . ']}';
     }
     $dataString = '[' . PHP_EOL . join(', ', $list) . PHP_EOL . ']';
     $buffer = '$.plot($("' . $placeholder . '"),' . PHP_EOL;
     $buffer .= $dataString . PHP_EOL;
     $buffer .= $optionsString ? ', ' . $optionsString . PHP_EOL : '';
     $buffer .= ');';
     return $buffer;
 }

 public function index()
 {
     $opus = D('Opus');
     //实例化问题表
     $user = D('User');
     //实例化用户表
     //dump(I('get.'));
     /*姓名判断*/
     if (I('get.user')) {
         $name = I('get.user');
         $map['name'] = array('exp', "like '%{$name}%' ");
         $ulist = $user->where($map)->select();
         $name = '';
         foreach ($ulist as $key => $value) {
             $name[$key] = $value['id'];
         }
         $where = join(" or 'user_id' = ", $name);
         $map['user_id'] = $where;
         unset($map['name']);
     }
     /*标题判断*/
     if (I('get.title')) {
         $title = I('get.title');
         $map['ques'] = array('exp', "like '%{$title}%' ");
     }
     $total = $opus->where($map)->count();
     $page = new \Think\Page($total, 8);
     $oplist = $opus->where($map)->limit($page->firstRow . ',' . $page->listRows)->getOpus();
     $pageButton = $page->show();
     //dump($oplist);
     $this->assign('list', $oplist);
     $this->assign('pageButton', $pageButton);
     $this->display();
 }

 public static function getLoader()
 {
     if (null !== self::$loader) {
         return self::$loader;
     }
     spl_autoload_register(array('ComposerAutoloaderInit46390df264f3e25339b844dea17d85e4', 'loadClassLoader'), true, true);
     self::$loader = $loader = new \Composer\Autoload\ClassLoader();
     spl_autoload_unregister(array('ComposerAutoloaderInit46390df264f3e25339b844dea17d85e4', 'loadClassLoader'));
     $includePaths = (require __DIR__ . '/include_paths.php');
     array_push($includePaths, get_include_path());
     set_include_path(join(PATH_SEPARATOR, $includePaths));
     $map = (require __DIR__ . '/autoload_namespaces.php');
     foreach ($map as $namespace => $path) {
         $loader->set($namespace, $path);
     }
     $map = (require __DIR__ . '/autoload_psr4.php');
     foreach ($map as $namespace => $path) {
         $loader->setPsr4($namespace, $path);
     }
     $classMap = (require __DIR__ . '/autoload_classmap.php');
     if ($classMap) {
         $loader->addClassMap($classMap);
     }
     $loader->register(true);
     $includeFiles = (require __DIR__ . '/autoload_files.php');
     foreach ($includeFiles as $file) {
         composerRequire46390df264f3e25339b844dea17d85e4($file);
     }
     return $loader;
 }

function register($tag, $func)
{
    $tags =& \ui\global_var('shortcode_tags', array());
    $tags[] = $tag;
    \ui\global_var('shortcode_tags_regx', join('|', array_map('preg_quote', $tags)), 1);
    \ui\register_hook('shortcode_tag_' . $tag, $func);
}

    public static function uninstall()
    {
        global $db, $setting, $admin_cat;
        $info = self::info();
        $db->delete($setting['db']['pre'] . "news_mark");
        $db->exec("drop", "table", $setting['db']['pre'] . "news_mark");
        $db->delete($setting['db']['pre'] . "admin_cat", array("file", "=", "news_mark.php"));
        $db->delete($setting['db']['pre'] . "plugin", array("idx", "=", $info['idx']));
        deleteCache("admin_cat");
        deleteCache("plugin");
        $err = array();
        if ($db->GetError($err)) {
            showInfo($setting['language']['plugin_err_uninstall'] . "\r\n\t\t\t<br />\r\n\t\t\t<pre>\r\n\t\t\t" . join("\n------------------------\n", $err) . "\r\n\t\t\t</pre>\r\n\t\t\t");
        } else {
            includeCache("admin_cat");
            $admin_cat = toJson($admin_cat, $setting['gen']['charset']);
            echo <<<mystep
<script language="javascript">
parent.admin_cat = {$admin_cat};
parent.setNav();
</script>
mystep;
            buildParaList("plugin");
            echo showInfo($setting['language']['plugin_uninstall_done'], false);
        }
    }

 function start_el(&$output, $item, $depth = 0, $args = array(), $current_object_id = 0)
 {
     global $wp_query;
     $indent = $depth ? str_repeat("\t", $depth) : '';
     $class_names = $value = '';
     $classes = empty($item->classes) ? array() : (array) $item->classes;
     $classes[] = 'menu-item-' . $item->ID;
     if ($args->has_children) {
         $classes[] = 'dropdown';
     }
     $icon_html = '';
     if (isset($item->custom_icon) && !empty($item->custom_icon)) {
         $icon_html = '<i class="' . $item->custom_icon . '"></i><span>&nbsp;&nbsp;</span>';
     }
     $class_names = join(' ', apply_filters('nav_menu_css_class', array_filter($classes), $item, $args));
     $class_names = ' class="' . esc_attr($class_names) . '"';
     $id = apply_filters('nav_menu_item_id', 'menu-item-' . $item->ID, $item, $args);
     $id = strlen($id) ? ' id="' . esc_attr($id) . '"' : '';
     $output .= $indent . '<li' . $id . $value . $class_names . '>';
     $attributes = !empty($item->attr_title) ? ' title="' . esc_attr($item->attr_title) . '"' : '';
     $attributes .= !empty($item->target) ? ' target="' . esc_attr($item->target) . '"' : '';
     $attributes .= !empty($item->xfn) ? ' rel="' . esc_attr($item->xfn) . '"' : '';
     $attributes .= !empty($item->url) ? ' href="' . esc_attr($item->url) . '"' : '';
     $item_output = $args->before;
     $item_output .= '<a' . $attributes . '>';
     $item_output .= $args->link_before . $icon_html . apply_filters('the_title', $item->title, $item->ID) . $args->link_after;
     $item_output .= '</a>';
     $item_output .= $args->after;
     $output .= apply_filters('walker_nav_menu_start_el', $item_output, $item, $depth, $args);
 }

 public function read(DOMElement $e) {
     $tn = end(explode(':',$e->tagName));
     switch($tn) {
       case 'function':
       
         foreach($e->childNodes as $cnn) {
             if (typeOf($cnn) == 'DOMElement') {
                 $cnt = end(explode(':',$cnn->tagName));
                 if ($cnt == 'from') {
                     $this->from[] = $cnn->nodeValue;
                 } elseif ($cnt == 'to') {
                     $this->to = $cnn->nodeValue;
                 } else {
                     printf("Warning: Didn't expect %s here\n", $cnn->nodeName); 
                 }
             }
         }
         
         printf(__astr("[\b{phprefactor}] Refactoring{%s} --> %s\n"), join(', ',$this->from), $this->to);
         break;
         
       default:
         printf("I don't know what to do with %s!\n", $tn);
         
     }
 }

 /**
  * Call external Method
  *
  * @param \Smarty_Internal_Data $data
  * @param string                $name external method names
  * @param array                 $args argument array
  *
  * @return mixed
  * @throws SmartyException
  */
 public function _callExternalMethod(Smarty_Internal_Data $data, $name, $args)
 {
     /* @var Smarty $data ->smarty */
     $smarty = isset($data->smarty) ? $data->smarty : $data;
     if (!isset($smarty->ext->{$name})) {
         $class = 'Smarty_Internal_Method_' . ucfirst($name);
         if (preg_match('/^(set|get)([A-Z].*)$/', $name, $match)) {
             if (!isset($this->_property_info[$prop = $match[2]])) {
                 // convert camel case to underscored name
                 $this->resolvedProperties[$prop] = $pn = strtolower(join('_', preg_split('/([A-Z][^A-Z]*)/', $prop, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE)));
                 $this->_property_info[$prop] = property_exists($data, $pn) ? 1 : ($data->_objType == 2 && property_exists($smarty, $pn) ? 2 : 0);
             }
             if ($this->_property_info[$prop]) {
                 $pn = $this->resolvedProperties[$prop];
                 if ($match[1] == 'get') {
                     return $this->_property_info[$prop] == 1 ? $data->{$pn} : $data->smarty->{$pn};
                 } else {
                     return $this->_property_info[$prop] == 1 ? $data->{$pn} = $args[0] : ($data->smarty->{$pn} = $args[0]);
                 }
             } elseif (!class_exists($class)) {
                 throw new SmartyException("property '{$pn}' does not exist.");
             }
         }
         if (class_exists($class)) {
             $callback = array($smarty->ext->{$name} = new $class(), $name);
         }
     } else {
         $callback = array($smarty->ext->{$name}, $name);
     }
     array_unshift($args, $data);
     if (isset($callback) && $callback[0]->objMap | $data->_objType) {
         return call_user_func_array($callback, $args);
     }
     return call_user_func_array(array(new Smarty_Internal_Undefined(), $name), $args);
 }

 public static function getLoader()
 {
     if (null !== self::$loader) {
         return self::$loader;
     }
     spl_autoload_register(array('ComposerAutoloaderInit0ff06a20d13931ad3d71bf10770c91f3', 'loadClassLoader'), true, true);
     self::$loader = $loader = new \Composer\Autoload\ClassLoader();
     spl_autoload_unregister(array('ComposerAutoloaderInit0ff06a20d13931ad3d71bf10770c91f3', 'loadClassLoader'));
     $vendorDir = dirname(__DIR__);
     $baseDir = dirname($vendorDir);
     $includePaths = (require __DIR__ . '/include_paths.php');
     array_push($includePaths, get_include_path());
     set_include_path(join(PATH_SEPARATOR, $includePaths));
     $map = (require __DIR__ . '/autoload_namespaces.php');
     foreach ($map as $namespace => $path) {
         $loader->set($namespace, $path);
     }
     $map = (require __DIR__ . '/autoload_psr4.php');
     foreach ($map as $namespace => $path) {
         $loader->setPsr4($namespace, $path);
     }
     $classMap = (require __DIR__ . '/autoload_classmap.php');
     if ($classMap) {
         $loader->addClassMap($classMap);
     }
     $loader->register(true);
     $includeFiles = (require __DIR__ . '/autoload_files.php');
     foreach ($includeFiles as $file) {
         composerRequire0ff06a20d13931ad3d71bf10770c91f3($file);
     }
     return $loader;
 }

 /**
  * URL的签名算法，返回一个token字符串
  */
 public static function urlSign($paramArr)
 {
     $options = array('queryParam' => '', 'cryptkey' => '', 'timeInfo' => 0);
     if (is_array($paramArr)) {
         $options = array_merge($options, $paramArr);
     }
     extract($options);
     if (!$queryParam) {
         return '';
     }
     if (is_string($queryParam)) {
         parse_str($queryParam, $queryParam);
     }
     #对参数数组进行排序，保证参数传入的顺序不同，同样能得到结果
     ksort($queryParam);
     $queryString = array();
     foreach ($queryParam as $key => $val) {
         array_push($queryString, $key . '=' . $val);
     }
     $queryString = join('&', $queryString);
     if ($timeInfo) {
         //为了获取时间 可逆
         $queryString .= "#" . time();
         #将时间戳并入
         $sign = self::fastEncode(array('value' => $queryString, 'cryptkey' => $cryptkey));
     } else {
         //没有时间信息 不可逆
         $sign = hash_hmac("sha1", $queryString, $cryptkey);
     }
     return $sign;
 }