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Can someone explain the differences between [ternary operator shorthand](https://www.php.net/manual/en/language.operators.comparison.php#language.operators.comp...

What is the difference between `$_SERVER['HTTP_HOST']` and `$_SERVER['SERVER_NAME']` in PHP? When would you consider using one over the other...

What is the difference between `==` and `===`? - How exactly does the loosely `==` comparison work? - How exactly does the strict `===` comparison work?...

I need to get the last character of a string. Say I have "testers" as input string and I want the result to be "s". how can I do that in PH...

Is there a PHP function that returns the date and time in the same format as the MySQL function `NOW()`? I know how to do it using `date()`, but I am asking...

Is it possible to redirect a user to a different page through the use of PHP? Say the user goes to `www.example.com/page.php` and I want to redirect them to...

How can I get the client IP address using PHP? I want to keep record of the user who logged into my website through his/her IP address.

### What is this? This is a number of answers about warnings, errors, and notices you might encounter while programming PHP and have no clue how to fix them....

Which PHP function can return the current date/time?

Some elements in my array are empty strings from users. `$linksArray` still has empty elements after the following: foreach($linksArray as $link) {...

I'm trying to create a randomized string in PHP, and I get absolutely no output with this: <?php function RandomString() {...

I'm integrating an API to my website which works with data stored in objects while my code is written using arrays. I'd like a quick-and-dirty functi...

I saw different binaries for PHP, like non-thread or thread safe? What does this mean? What is the difference between these packages?

I use this code to get the full URL: $actual_link = 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF']; The problem is that...

I want to convert these types of values, `'3'`, `'2.34'`, `'0.234343'`, etc. to a number. In JavaScript we can use `Number()`, but is th...

I'm a little confused why I see some code in PHP with string placed in single quotes and sometimes in double quotes. I just know in .NET, or the C langua...

PHP treats all arrays as associative, so there aren't any built in functions. Can anyone recommend a fairly efficient way to check if an array *"is a l...

This is a question you can read everywhere on the web with various answers: $ext = end(explode('.', $filename)); $ext = substr(strrchr($file...

Given the following code: <!-- language: lang-php --> DB::table('users')->get(); I want to get the raw SQL query string that the d...

What is fastest way to remove the last character from a string? I have a string like a,b,c,d,e, I would like to remove the last ',' and get...