I’m currently scratching my head at how to implement SQL_CALC_FOUND_ROWS with prepared statements. I’m writing a pagination class and obviously i want to add LIMIT to the query but also find what the …
Tag: php
Basic ranking of MySQL data and printing result with php
I have a table which in which I want to rank rows where one of the columns equals a value I have defined. For example in this table I want to get all rows where Col1 = a, then find what is the rank …
Login with Facebook using Facebook SDK for PHP
I have problems with making login to my site with Facebook. I have created login using Facebook SDK by following the tutorial at developers.facebook.com , but it does not work for me. I have wrote a simple test page to find out, what goes wrong. This is the code: After the first visit of this page (I am not l…
How to Set Variables in a Laravel Blade Template
I’m reading the Laravel Blade documentation and I can’t figure out how to assign variables inside a template for use later. I can’t do {{ $old_section = “whatever” }} because that will echo “whatever” and I don’t want that. I understand that I can do <?php $o…
Check if in “dev” mode inside a Controller with Symfony
When using dev mode with a Symfony2.x application, one usually works in locale. Hence, such function does not works as expected (for instance, try to get the current IP under localhost). This could be a problem, e.g. when one try to use such ip-based web service. Hence, I just want to know how to check inside…
Show correct aspect ratio
I am trying to get the aspect ratio of a photo but the following code shows wrong aspect ratio on a photo with 3776 in width and 2520 in height (472:315) but it shows correct aspect ratio on a photo …
WordPress – post thumbnail in loop
So I’d like to add a thumbnail to my posts but I just can’t get it to work. And in my functions.php I’ve added – add_theme_support(‘post-thumbnails’); It gives me the option to post the thumbnail when I make a post, but it doesn’t show up. Answer What theme or parent …
How to check if PHP field is empty when using SHA1
I’m using SHA1 to encrypt a password. In my original code I checked if the password fields were empty with: if (empty($newpassword) and (empty($newpassword2))) { } Since I now use SHA1 and it automatically generates da39a3ee5e6b4b0d3255bfef95601890afd80709 when field is left blank, how do I re-write my …
PHP Interface: Specify ANY visibility
I’m making use of an interface for a set of classes. I have a problem however because I wish for any visibility to be allowed in the interface (That is: public, protected and private). I need the parent method to only be protected and I need the child method to be private, but I get the error saying Fat…
How does PHP compare strings with comparison operators?
I’m comparing strings with comparison operators. I needs some short of explanations for the below two comparisons and their result. if(‘ai’ > ‘i’) { echo ‘Yes’; } else { echo ‘No’; } …