PHP unable to show jpg image, shows black screen with small rectangle inside?

Trying to open a jpeg image in any browser and it won't show, shows a black screen with a small white rectangle in i...

Finding all points contouring the overlapping squares?

The setup: a. 2D surface b. points (with x, y coordinates) which when connected form squares. c. I found an algo...

Setting selected option in laravel form?

I need to give selected value like this html: <select name="myselect" id="myselect"> <option value="1"&gt...

Remove useless zero digits from decimals in PHP?

I'm trying to find a fast way to remove zero decimals from number values like this: echo cleanNumber('125.00'); // ...

Converting images from a rectangle to a square (prefer PHP)?

I've been running a site where users can upload and crop photos of themselves and the enforced image shape was a rec...

How to run single test method with phpunit??

I am struggling to run a single test method named testSaveAndDrop in the file escalation/EscalationGroupTest.php wit...

Check if URL has certain string with PHP?

I would like to know if some word is present in the URL. For example, if word car is in the URL, like www.domain.co...

Notice: Undefined offset: 0 in?

I am getting this PHP error, what does it mean? Notice: Undefined offset: 0 in C:\xampp\htdocs\mywebsite\reddit_vo...

How can I get the last 7 characters of a PHP string??

How would I go about grabbing the last 7 characters of the string below? For example: $dynamicstring = "2490slkj40...

PHP Error : Fatal error: Constant expression contains invalid operations?

I am getting an error: Fatal error: Constant expression contains invalid operations in config.php on line 214 ...

Gradient overlay on transparent png?

On my website I have a PHP script that turns this image into a recolored version of the same image based on a $_GET ...

php - How do I fix this illegal offset type error?

I'm getting illegal offset type error for every iteration of this code. Here's the code : $s = array(); for(...

What does \d+ mean in regular expression terms??

I'm new to regular expressions and came accros the following \d+ . I do not exactly know what this means, please poi...

Script to export non-transparent extremities of PNG files?

This is a bit of a complicated question because I don't really know where to start or what technology to use to arri...