codeigniter-3 | 易学教程

Value IS NOT NULL in codeigniter

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I am trying to create the following statement: select * from donors where field is NOT NULL; With codeigniter, my code looks like this: $where = ['field' => NULL]; $this->db->get_where('table', $where); when you see documentation You can use $this->db->where() with third parameter set to FALSE to not escape your query. Example: $this->db->where('field is NOT NULL', NULL, FALSE); Or you can use custom query string like this $where = "field is NOT NULL"; $this->db->where($where); So your query builder will look like this: $this->db->select('*'); $this->db->where('field is NOT NULL', NULL, FALSE)

Get UnCommitted Data in MySQL

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In SQL Server we can write below SQL Queries to get Un-Committed data in database . This means the data that is still under transaction and Transaction is not complete. SQL Server Query Select * from TableName With(NoLock); Is there any equivalence in MySQL database to get data even if table is locked ? I am trying this in PHP CodeIgnitor Found an article with title " MySQL NOLOCK syntax " http://itecsoftware.com/with-nolock-table-hint-equivalent-for-mysql SQL Server WITH (NOLOCK) looks like this: SELECT * FROM TABLE_NAME WITH (nolock) To achieve the same with MySQL, we change the session

error in storing image in upload folder

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问题 My Controller Home.php <?php defined('BASEPATH') OR exit('No direct script access allowed'); class Home extends CI_Controller { public function __construct() { parent::__construct(); //load database libray manually $this->load->database(); //load Model $this->load->model('Contact_model'); // load form and url helpers $this->load->helper(array('form', 'url')); // load form_validation library $this->load->library('form_validation'); } public function Latest_news() { $this->form_validation->set

What is the best and fast way to insert data in multiple tables and how to use Xss_Clean() for multiple an array?

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问题 I am using Codeginator, I have three table (It will increase in the future according to requirement) and tables name are "tbl_customer", "tbl_customer_billing","tbl_customer_shipping" . Each table is connected with primary key and foreign key. Now I am inserting the data in each table so I tried below code. My question is: 1) Should I use $this->security->xss_clean() for each array? or any other idea to use only a single xss_clean ? 2) What is the best and fast way to insert the data in the

Godaddy - Codeigniter - No input file specified on server

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问题 I just uploaded my demo project in subfolder on godaddy . When I open a website url example.com/demo Home page work fine but when I try to open inner pages my url look like example.com/demo/index.php/home/overview it show No input file specified . Note : CodeIgniter version -3.0.0 and Server GoDaddy URL Look Like : example.com/demo/ Here is my .htaccess file <IfModule mod_rewrite.c> Options +FollowSymLinks RewriteEngine on RewriteBase / RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %

function to simulate left join on array not working properly in PHP

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问题 I have two arrays like this : $left = [ ['UserID' => 6835406], ['UserID' => 8418097], ]; $right = [ ['Amount' => 0.00, 'UserID' => 6835406], ['Amount' => 0.00, 'UserID' => 8418097] ]; I'm using this function to perform a left join on the arrays based on the UserID feild : function left_join_array($left, $right, $left_join_on, $right_join_on = NULL){ $final= array(); if(empty($right_join_on)) $right_join_on = $left_join_on; foreach($left AS $k => $v){ $final[$k] = $v; foreach($right AS $kk =>

Applying Codeigniter 3 to a new domain host gives mkdir() error for session_files_drive.php

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问题 I have a Codeigniter framework setup that I move cross multiple domain setups as a default starting point. It gives me the below error. It is the same when I added a clean install of CI3 and added database info, and theese following autoloads: $autoload['libraries'] = array('database', 'session', 'user_agent', 'upload'); $autoload['helper'] = array('form', 'url'); I tried removing the 'session', library and the error went away. Below you see the error: A PHP Error was encountered Severity:

error in storing image in upload folder

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My Controller Home.php <?php defined('BASEPATH') OR exit('No direct script access allowed'); class Home extends CI_Controller { public function __construct() { parent::__construct(); //load database libray manually $this->load->database(); //load Model $this->load->model('Contact_model'); // load form and url helpers $this->load->helper(array('form', 'url')); // load form_validation library $this->load->library('form_validation'); } public function Latest_news() { $this->form_validation->set_rules('first_content', 'First content', 'required'); $this->form_validation->set_rules('second_content'

Codeigniter 3.x Login with Form Validation -Boiler plate

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问题 I have been reading couple of questions here from different newbies about Login and validation in codeigniter, some have mixed JavaScript and J-query. Codeigniter itself provide a robust form validation along with custom error setting support. I have decided to share with you the easiest way to kickstart in codeigniter with login boilerplate which I have created and I am sharing it with you. It has Controller Login Model : Login_model Views : Login and success And basic configurations 回答1:

after adding the product in the cart and the user refreshes the page then how can I display the data which is added in the cart

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