PHP 7.4 – Null coalescing assignment operator

May 2, 2020May 4, 2020 admin PHP

PHP 7.4 introduced a new Zero Coalesce Assignment Operator?? (=). This is used in combination with isset() method to replace the ternary operation. This operator is used for assigning its right-hand operand value to its left-hand operand only if the left-hand operand value is null.

How to Enable CSRF in CodeIgniter?

May 1, 2020May 4, 2020 admin Codeigniter

I am going to share how to Enable CSRF in CodeIgniter. In CodeIgniter, you can allow CSRF (Cross Site Request Forgery) security by setting in application/config/config.php file the option value below to TRUE. You can defend CodeIgniter from the attack of forgery from cross-site requests.

How to Create Custom Helper in CodeIgniter?

April 30, 2020May 4, 2020 admin Codeigniter, PHP

I’ll share how you can build custom helpers in your CodeIgniter app. Helpers, as the name suggests, assist with tasks. CodeIgniter helpers file is a compilation of functions in a particular category. The helpers functions in your controllers and views are used to prevent repetitive code and they are located in the directory Machine/Helpers.

How to Display Alert Message Box in PHP?

April 29, 2020May 4, 2020 admin PHP

The alert box can used for show special message. If you want to show a message after any event like warning message, success message or other any messages. you can use alert box. PHP does not have the ability to display an alert message box because it is a server-side language, but to display an alert message box you can use the javascript code within the PHP file. Given below give some code you can use and display a Javascript alert message box in PHP

How to Display HTML code on Web Page?

April 25, 2020April 25, 2020 admin HTML

To display html tags in html format we have to use different ways. You can convert your html code in html special Characters to show tags into you Page. After convert special Characters you use <pre>. The <pre> tag is quite useful for displaying organized code. Otherwise your html code display in one line.

How to setup maintenance mode in CodeIgniter

April 23, 2020May 4, 2020 admin Codeigniter

I'm going to share with you How to configure CodeIgniter maintenance mode. Maintenance mode allows you to show a user-friendly message to your visitors during website maintenance, rather than a broken site. Often you might need a longer period of time to work on your website.

How to remove the attribute from an HTML element in jQuery

April 22, 2020May 6, 2020 admin JQuery

I am going to share how to remove the attribute from an HTML element in jQuery. The removeAttr() method deletes attributes from the items picked. In the example below when you press the button the style attribute will be removed from the p tag.

How to add Categories in WordPress?

April 20, 2020May 4, 2020 admin Wordpress

I am going to share you how do I add categories in WordPress. WordPress groups are a highly useful way to organize your posts. As categories and tags in WordPress may have different benefits for your blog. In WordPress you can add categories is a very simple way to go

How to get data-id attribute value in jQuery

April 19, 2020April 21, 2020 admin JQuery

I am going to share you how to get data-id attribute value in jQuery. You can simply use the jQuery attr() method to find the data-id attribute of an HTML element.You can also use the jQuery data() method (jQuery version >= 1.4.3), to get the data-attribute of an element.

How to display default image if image not found?

April 19, 2020May 4, 2020 admin HTML

Most common problem in html page. When you include images into a page that cannot be displayed because original image is not available. Now you can set defualt image if original image is not available. you can use JavaScript event handler onerror allows you to disply an default image.

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