Sometime we face a unique type of problem during development and we watch the code thoroughly but not find the error where we are getting. ‘Only variables should be passed by reference‘ in $file_extension = end(explode(‘.’, $file_name)) is the same type of problem which does not seem as error in our code and it happens in usual code.
Like in a WordPress website, photos added in posts inside dashboard post editor are kept in dynamically generated year months directories inside wp-content/uploads directory by default. This blog will assist you to make directory in PHP and we will then create year months folders at our server.
Ajax Image Upload using PHP and jQuery is very important topic nowadays because everybody wants to save their data without refreshing the page. Today we are going to generate an Ajax based image uploader, which means the image file will be uploaded to server using Ajax request, without reloading the page.
AJAX is an important part in web development. This blog post covers steps to handle AJAX image upload with progress bar in Bootstrap with drag n drop feature. Some cool features in these steps are.
Recently Google introduced a simplified “captcha” verification system (video) that enables users to pass the “captcha” just by clicking on it. This API utilizes an Advanced Risk Analysis engine that is capable of discerning between users and bots
Still wonder how to automatic update copyright year instead of changing hard-coded value each year. Lol!! You need some fresh air to let your mind breathe. Use PHP’s date() function which can echo the current year in your copyright text.
Copyright ©< ?php echo date('Y'); ?> | Your Company Name
Here is a good collection of 15 PHP Interview Questions and Answers which are mostly asked from 1 year experienced PHP programmer and are useful for others too. Don’t forget to check first part of PHP Interview Questions series as well.
PHP provides functions to get the number of days in a month for a specified year and calendar. We can use date(‘t’) or cal_days_in_month. See syntax, parameters and examples in rest of the article.
Most modern desktop browsers such as Chrome, Mozilla, Internet Explorer supports images encoded as data url. But there are problems displaying data URLs in some mobile browsers like Android Stock Browser.
Here we are presenting that how we can embed base64 encoded images in various platforms.
If you already have database tables and you just want to apply foreign keys for record on those table then you can apply foreign key in phpMyAdmin using database query also.
I have already written a tutorial ‘Setting up foreign key in phpMyAdmin‘ with example images and I prefer to write database query to set up foreign key in existing database tables as queries allow me to accomplish all required steps in once go.