PHP | Array error fix | array_merge() The output will be as follows: array(2) { [0]=> int(1) [1]=> int(2) } NULL NULL It will also generate two warning messages as follows: Warning: array_merge(): Argument #2…

PHP | Output of the following statements var_dump(0123 == 123); var_dump('0123' == 123); var_dump('0123' === 123   var_dump(0123 == 123) This will output bool(false) because the leading 0 in 0123 tells PHP interpreter to treat the value…

PHP | output of $a and $b once this code $a = '1'; $b = &$a; $b = "2$b" executed; Both $a and $b will output a string "21".   Because the statement $b = &$a; sets…

Codeigniter | List Databases supported By Codeigniter Following Databases are supported by Codeigniter Frameworks: Database Name Drivers to support Codeigniter MySQL MySQL (deprecated), MYSQLI and PDO drivers Oracle oci8 and PDO drivers PostgreSQL Postgre and…

Codeigniter | routes  Routing rules are defined in your application/config/routes.php file.    In it you'll see an array called $route that permits you to specify your own routing criteria. Routes can either be specified using…

CodeIgniter | What is helpers | Load helper file Helper is simply a collection of function in a particular category which help you with tasks. The helper file can be loaded in controller constructor, some…

Codeigniter | Set timezone To set default timezone in Codeigniter, you can add the date_default_timezone_set() function in your application/config.php or index.php file. date_default_timezone_set('your timezone');   <?php // India timezone date_default_timezone_set('Asia/Kolkata'); ?>  

Codeigniter | SET or GET config variables The config set_item() & item() functions are work for SET and GET a config variable in codeigniter   In Codeigniter by default all config variables are located at “application/config/config.php” file.…

Codeigniter | The default URL pattern In CodeIgniter, URLs are designed to be search-engine and user-friendly. CodeIgniter uses a segment-based approach rather than using "query string" based approach. http://www.example.com/user/edit/rakesh The default URL pattern in CodeIgniter…

Codeigniter | Types of error logging There are three message types in Codeigniter: Error Messages These are actual errors, such as PHP errors or user errors. Debug Messages These are messages that assist in debugging.…

HTML | What is HTML HTML is a web language stands for Hyper Text Markup Language. It was created by Berners-Lee in late 1991. HTML is the standard markup language for creating a web pages…

Codeigniter | Include image, css and js file In codeigniter, we need to load URL helper in controller and then use base_url() function to load the resources. // loading script <script type='text/javascript' src="<?php echo base_url('js/jquery.min.js');…

JQuery | Select dropdown item based on value Change selected option by value on select box with jQuery is common now a days. So let's we have a select element with fruits list, and we…

PHP | Get URL with Parameter To get full url of a current page with get parameters, we use $_SERVER global variable. We need current url to perform different type of works. For complete URL…

CSS | Fluid typography Changing size of text, image, div or any html element automatically without using any jquery or media queries. It is a fluid type technique that doesn't require any JavaScript. Using viewport…

SQL | IN operator with PHP Array In this article we will use PHP Array with SQL IN operator. SQL IN operator allows us to specify multiple values in where clause. So in this article…

SHUTDOWN | A CLI command for Windows It's really cool to shutdown your computer through Run command or command prompt. Actually shutdown is a CLI (command line interface) command or function which is use to…

SQL | Foreign Key A foreign key is a key used to link two tables.  A Primary key of a table is used as a foreign key for the other table. Primary key is a…

SQL | View View in SQL is a kind of virtual table. It does not physical exists in our database but have rows and column as there we have in real database table. we can…