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Consider: $xml = "l"; $xml = "vv"; echo $xml; This will echo `vv`. Why and how can I do multi-line string literals for...

How can I remove the first 4 characters of a string using PHP?

We have two PHP5 objects and would like to merge the content of one into the second. There are no notion of subclasses between them so the solutions described i...

PHP - Is there a quick, on-the-fly method to test for a single character string, then prepend a leading zero? Example: $year = 11; $month = 4;...

PHP 5.5 has been released and it features a new code caching module called OPCache, but there doesn't appear to be any documentation for it. So where is...

Here is my code, ``` $url = 'url_to_post'; $data = array( "first_name" => "First name", "last_name" =>...

It's got to be somewhere in the phpinfo() dump, but I just don't know where. Is it supposed to be under the "Additional Modules" section? So...

Using PHP, what's the fastest way to convert a string like this: `"123"` to an integer? Why is that particular method the fastest? What happens...

I understand PHP does not have a pure object variable, but I want to check whether a property is in the given object or class. $ob = (object) array('...

I have a problem when I install 'Archive_Zip 0.1.1' on the Linux server, but when I try to run the script to create the zip file it gives the fatal erro...

In PHP can I include a directory of scripts? i.e. Instead of: include('classes/Class1.php'); include('classes/Class2.php'); is...

While I am installing Magento 2 on my Server, I got an error. After investigating the code and found that there are three dots (`...`), which is producing the e...

I installed Laravel using Composer without problems, but when I try to run `laravel` in the terminal, I get the following error: > -bash: laravel: command...

I need to send a pdf with mail, is it possible? $to = "xxx"; $subject = "Subject" ; $message = 'Example message with...

I'm trying a simple web service example and I get this error even though I uncommented `extension=php_soap.dll` in the `php.ini` file: > **Fatal error...

$items = Array(523,3452,334,31,...5346); Each item of this array is some number. **How do I get random item from `$items`?**

Before you answer this I have never developed anything popular enough to attain high server loads. Treat me as (sigh) an alien that has just landed on the plane...

I'm receiving a date string from an API, and it is formatted as `yyyy-mm-dd`. I am currently using a regex to validate the string format, which works ok,...

I want to unzip a file and this works fine system('unzip File.zip'); But I need to pass in the file name through the URL and can not get it to...

What does a `\` do in PHP? For example, [CSRF4PHP](https://github.com/foxbunny/CSRF4PHP/blob/60d9172b7f0cd93346cac9065fb17182854ebf1c/CsrfToken.php#L80-L87)...