Generating Histogram Colour Analysis Graphs From Images In PHP
If you've ever looked at the settings in a digital camera, or have experience with image processing programs like GIMP, then you may have seen a colour histogram. This is a simple graph that shows the amount of different shades of colour are present in the image.
PHP:CSI - To Switch, Or Not To Switch?
I was writing unit tests for a API mapping function recently and came across this interesting issue. The code I was writing tests for was in a legacy codebase that I was making changes to, and it made sense to have some unit tests in there before I started work to ensure everything worked before and after.
Drupal 9: Generating Header Images For Pages Of Content Using PHP
Embedding image within pages of content helps both within the design of the page and when shared on social media. If you set up meta tags to point at a particular image then that image will appear when the page is shared on social media. This makes your page stand out more.
Using PSR-4 With Composer
The PHP Standards Recommendations (called PSR) are a set of standards that aim to make certain aspects of working with PHP easier.
Generating A PDF From A Web Page Using PHP And Chrome
Generating a PDF document from a web page through PHP can be problematic. It's often something that seems quite simple, but actually generating the document can be difficult and time consuming.
PHP:CSI - Date Is Less Than One Month Ago
Working with logic surrounding dates can sometimes be difficult and it's fairly common to come across really subtle date and time based bugs.
I was recently shown a bug in a PHP application that looks like it should be working at face value, but doesn't actually produce the correct result.
Submitted by Anonymous on Thu, 09/30/2010 - 12:46Permalink
$a = "414";
$check = strlen($a);
for($j=0; $j<$check; $j++)
$fstr = $a[$j];
$sec = $check - $j-1;
$lstr = $a[$check - $j-1];
if($fstr == $lstr)
$flag = "ok";
$flag = "No";
break; /* No need of further operation */
if($flag == 'ok')
echo $a." == this is palindrome number";
echo $a."this is not a palindrome number";
Submitted by akhil raj srivasta on Tue, 03/13/2012 - 17:34Permalink
echo $str." is palindrome.<br>";
echo $str." is not a palindrome.";
Submitted by Shakti Shola on Mon, 03/26/2012 - 22:11Permalink
Submitted by kuldeep sharma on Wed, 10/29/2014 - 10:40Permalink
Submitted by rafael on Sun, 10/29/2017 - 04:54Permalink
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