• Drupal6常用自定义函数


    <?php
    /*
     * 提取并显示指定node的内容
     */
    function custom_node_view($nid)
    {
        $node = node_load($nid);
        return node_view($node);
    }
    
    /*
     * 载入指定的block
     */
    function block_print($module, $delta)
    {
      $block = new stdclass;
      $array = module_invoke($module, 'block', 'view', $delta);
    
      if (isset($array) && is_array($array)) {
        foreach ($array as $k => $v) {
          $block->$k = $v;
        }
      }
    
      $block->module = $module;
      $block->delta = $delta;
      return theme('block', $block);
    }
    
    /*
     * 得到记录总数
     */
    function views_total()
    {
        $view = views_get_view( 'VIEWS_NAME' );
        $view->set_arguments( array( 1, 2, 3 ) ); // 如果需要设置参数
        $view->get_total_rows = TRUE;
        $view->execute(); // 执行
        $view->preview(); // 执行并输出views
        return $view->total_rows;
    }
    
    /*
     * ahah时,可以在表单回调时得到表单修改状态
     * 由于回调时表单并未提交,此时不能从submit方法中得到表单状态
     * @return form handle
     */
    function _callback_helper() {
        $form_state = array('storage' => NULL, 'submitted' => FALSE);
        $form_build_id = $_POST['form_build_id'];
        $form = form_get_cache($form_build_id, $form_state);
        $args = $form['#parameters'];
        $form_id = array_shift($args);
        $form_state['post'] = $form['#post'] = $_POST;
        // Enable the submit/validate handlers to determine whether AHAH-submittted.
        $form_state['ahah_submission'] = TRUE;
        $form['#programmed'] = $form['#redirect'] = FALSE;
        drupal_process_form($form_id, $form, $form_state);
        $form = drupal_rebuild_form($form_id, $form_state, $args, $form_build_id);
        return $form;
    }
    
    function readcsv($filepath){
    	//$filepath is the path of a csv file
    	$result=array();
    	if (($handle = fopen($filepath, "r")) !== FALSE) {
    		while (($data = fgetcsv($handle, 0, ",")) !== FALSE) {//readall
    		   $result[]=$data;
    		}
    		fclose($handle);
    	}
    	return $result;
    }
    
    /*
     * 检查并创建目录
     * $filepath 目录地址
     */
    function custom_file_directory($filepath)
    {
        if (!file_check_directory($filepath, FILE_CREATE_DIRECTORY) && !mkdir($filepath, 0775, TRUE)) {
            watchdog('custom', 'Failed to create directory: %dir', array('%dir' => $filepath), WATCHDOG_ERROR);
            return false;
        } else {
            return true;
        }
    }
    
    /*
     * 查询指定content type中的vocabulary name
     */
    function vocabulary_by_node_type($content_type)
    {
        $sql = sprintf('SELECT v.* FROM {vocabulary} v
                JOIN {vocabulary_node_types} node_type ON node_type.vid = v.vid
                WHERE node_type.type = %s ORDER BY weight', db_placeholders($content_type));
        $vocabularys = array();
        $result = db_query($sql);
        while ($vocabulary = db_fetch_object($result)) {
            $vocabularys[] = $vocabulary;
        }
        return $vocabularys;
    }
    
    /*
     * vocabulary下的term name
     */
    function term_by_vocabulary_id($vid)
    {
        $result = db_query(sprintf('SELECT term_data.* FROM {term_data} term_data WHERE term_data.vid = %d ORDER BY weight', $vid));
        $terms = array();
        while ($term = db_fetch_object($result)) {
            $terms[] = $term;
        }
        return $terms;
    }
    
    
    /*
     * 获得CCK字段的allowed values数组,例如dropdown
     */
    function cck_allowed_value($fieldname)
    {
        $global_settings = db_result(db_query("SELECT global_settings FROM {content_node_field} WHERE field_name = '%s'", db_escape_string($fieldname)));
        $global_settings = unserialize($global_settings);
        $allowed_values = $global_settings['allowed_values'];
        $allowed_values = str_replace("\r\n", "|", $allowed_values);
        $allowed_values = str_replace("\n", "|", $allowed_values);
        return explode('|', $allowed_values);
    }
    
    /*
     * 把menu tree组装成数组
     */
    function menu_list($name = 'navigation', $depth = 1, $mlid = 0)
    {
        ($depth < 10) or die("depth too big.");
        $results = array();
        $cid = $name.'_menu_list_'.$depth;
        $cache = $depth > 1 ? false : cache_get($cid);
        if(!$cache) {
            $db_result = db_query("SELECT mlid, link_title FROM {menu_links} WHERE hidden<=0 AND depth = %d AND plid = %d AND menu_name = '%s' AND link_title <> '' ORDER BY weight", $depth, $mlid, $name);
            while($row = db_fetch_object($db_result)) {
                $childs = menu_list($name, $depth+1, $row->mlid);
                $results[]= array('data' => $row, 'children' => $childs);
            }
            unset($db_result);
            
            if($depth == 1) cache_set($cid, $results);
        } else {
            $results = $cache->data;
        }
        return $results;
    }
    
    /*
     * 文件上传
     * $module module的名称
     * $source 文件字段名
     * $validators 文件验证信息
     */
    function file_upload($module, $source, $validators = array(
        'file_validate_extensions' => array('jpg', 'png'),
        //'file_validate_image_resolution' => array($limits['resolution']),
        'file_validate_size' => array(204800)
    ))
    {
        $validators = array();
        $dest = file_directory_path().'/'.$module.'/';
        file_create_directory($module, $dest);
        $file = file_save_upload($source, $validators, $dest);
        if ($file != 0) {
            return array(
                'status' => true,
                'filepath' => $file->filepath
            );
        }
        else {
            return array('status' => true);
        }
    }
    
    /*
     * 新建目录
     * $module module名称
     * $dir 目录路径
     */
    function file_create_directory($module, $dir)
    {
        if (!file_check_directory($dir, FILE_CREATE_DIRECTORY) && !mkdir($dir, 0775, TRUE)) {
            watchdog($module, 'Failed to create directory: %dir', array('%dir' => $dir), WATCHDOG_ERROR);
            return false;
        }
    }
    
    function set_meta($keywords, $description)
    {
        drupal_set_html_head("<meta name='keywords' content='$keywords' /><meta name='description' content='$description' />");
    }
    
    /*
     * 静态优化的drupal_lookup_path
     */
    function drupal_lookup_path($action, $path ='') {
        static $map = array();
        if ($action == 'wipe') {
            $map = array();
            return FALSE;
        }
        if ($path != '') {
            // Initial load from DB
            if (count($map) == 0) {
                $result = db_query('SELECT src, dst FROM {url_alias}');
                while ($url = db_fetch_object($result)) {
                    $map[$url->src] = $url->dst;
                    $map[$url->dst] = $url->src;
                }
            }
            // $action == ‘alias’ or $action == ‘source’
            if (isset($map[$path])) return $map[$path];
        }
        return FALSE;
    }
    
    /*
     * 从nid得到图片信息
     * @return array(width, height, extension, file_size, mime_type)
     */
    function image_get_info_by_node($nid, $fieldname = 'field_image')
    {
        $node = node_load($nid);
        $results = array();
        foreach($node->$fieldname as $image) {
            $results []= image_get_info($image['filepath']);
        }
        return $results;
    }
    
    /*
     * 用于views template中输出字段
     * views_view_fileds_print_field($fields, 'field_website_value')
     */
    function views_view_fileds_print_field(&$fields, $fieldname) 
    {
    	if(!isset($fields[$fieldname])){
    		return false;
    	}
    	$field = $fields[$fieldname];
    
    	if (!empty($field->separator)): ?>
    		<?php print $field->separator; ?>
    	<?php endif; ?>
    	<<?php print $field->inline_html;?> class="views-field-<?php print $field->class; ?>">
    		<?php if ($field->label): ?>
    			<label class="views-label-<?php print $field->class; ?>">
    				<?php print $field->label; ?>:
    			</label>
    		<?php endif; ?>
    			<?php
    			// $field->element_type is either SPAN or DIV depending upon whether or not
    			// the field is a 'block' element type or 'inline' element type.
    			?>
    			<<?php print $field->element_type; ?> class="field-content"><?php print $field->content; ?></<?php print $field->element_type; ?>>
    	</<?php print $field->inline_html;?>>
    	<?php
    	unset($fields[$fieldname]);
    }
    

      

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  • 原文地址:https://www.cnblogs.com/catcat811/p/2208795.html
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