WenLiangTseng’s gists

WenLiangTseng / wordpress_chinese_excerpt.php

Created July 22, 2013 05:50

Wordpress-中文摘要寫法

	<?php
	//Normal Version
	function chinese_excerpt($text, $lenth=100) {
	$text = mb_substr($text,0, $lenth);
	return $text;
	}
	add_filter('the_excerpt', 'chinese_excerpt');

	//Improved Version
	//加上UTF-8參數以及strip_tags，

WenLiangTseng / wordpress_sort_search_result.php

Created July 22, 2013 05:48

Wordpress 排序-搜尋結果排序，將搜尋結果依照關聯程度來排序

	<?php
	//------- 搜尋結果依照關聯性排序 --------//

	if(isset($_GET['s'])){
	add_filter('posts_orderby_request', 'search_orderby_filter');
	}
	function search_orderby_filter($orderby = ''){
	global $wpdb;
	$keyword = $wpdb->prepare($_REQUEST['s']);
	return "((CASE WHEN {$wpdb->posts}.post_title LIKE '%{$keyword}%' THEN 10 ELSE 0 END) + (CASE WHEN {$wpdb->posts}.post_content LIKE '%{$keyword}%' THEN 1 ELSE 0 END)) DESC, {$wpdb->posts}.post_date DESC";

WenLiangTseng / php_deal_cards.php

Created July 22, 2013 05:47

PHP發牌程式碼，可以發牌給兩個玩家

WenLiangTseng / php_use_html_mail_template.php

Created July 22, 2013 05:46

PHP使用HTML郵件版型

	<?php
	/*You could put a PHP script inside the template
	and then have PHP itself do the rendering,
	for example:
	*/

	//template.html:
	?>

	<div clas="headr"></div>

WenLiangTseng / curl_example.php

Created July 22, 2013 05:41

使用CURL抓資料的PHP函數，可以給予URL資料，然後得到回傳的結果

	<?php
	$xml_file = file_get_contents(SITE_PATH . 'cms/data.php');

	//CURL

	function url_get_contents ($Url) {
	if (!function_exists('curl_init')){
	die('CURL is not installed!');
	}
	$ch = curl_init();

WenLiangTseng / codeigniter_back_to_previous_page_function.php

Created July 22, 2013 05:41

在CodeIgniter中，建立回到前一頁的功能

WenLiangTseng / codeigniter_upload_image_and_text_controller.php

Created July 22, 2013 05:39

CodeIgniter中，同時上傳圖片與文字

	<?php
	// controller
	function do_upload()
	{
	$config['upload_path'] = './uploads/';
	$config['allowed_types'] = 'gif\|jpg\|png';
	$config['max_size'] = '100';
	$config['max_width'] = '1024';
	$config['max_height'] = '768';

WenLiangTseng / codeigniter_call_this_in_function.php

Created July 22, 2013 05:35

CodeIgniter-在函數裡呼叫$this的方法

	<?php
	function is_logged_in() {
	// Get current CodeIgniter instance
	$CI =& get_instance();
	// We need to use $CI->session instead of $this->session
	$user = $CI->session->userdata('user_data');
	if (!isset($user)) { return false; } else { return true; }
	}

WenLiangTseng / codeigniter_mysql_date_judgement.php

Created July 22, 2013 05:34

CodeIgniter 使用日期判斷的 MySQL 語法

	<?php
	// if you still want to use AR,
	// you could pass a FALSE as third parameter of
	// $this->db->where
	// to avoid automatic escaping by CI:

	$this->db->select('id,name')
	->where('dr','1')
	->where('end >=', 'CURDATE()', FALSE);
	$query = $this->db->get('store');

WenLiangTseng / php_mail_function.php

Created July 22, 2013 05:20

PHP寄送郵件的寫法

Wen-Liang WenLiangTseng