Can I use dll in PHP?

If this is a simple DLL there is no way yet to run it from PHP. If the DLL contains a COM server you may be able to access it if it implements the IDispatch interface.

How do I install a PHP file?

How to Install PHP

  1. Step 1: Download the PHP files. You’ll need the PHP Windows installer.
  2. Step 2: Extract the files.
  3. Step 3: Configure php.
  4. Step 4: Add C:\php to the path environment variable.
  5. Step 5: Configure PHP as an Apache module.
  6. Step 6: Test a PHP file.

What is PHP extension directory?

So after installation of PHP the best way to identify the extension directory is to open php info file and check for all the settings. In the php info display it will be written where the extension file of the system is stored. It is also known as extension_dir .

Are variables case sensitive in PHP?

Variables in PHP are represented by a dollar sign followed by the name of the variable. The variable name is case-sensitive. Note: For our purposes here, a letter is a-z, A-Z, and the bytes from 128 through 255 ( 0x80-0xff ).

Where are PHP extensions installed?

You can use phpinfo() function to find the location of your php extension directory or you can use php -i from the command line.

How do I run a PHP program?

You just follow the steps to run PHP program using command line.

  1. Open terminal or command line window.
  2. Goto the specified folder or directory where php files are present.
  3. Then we can run php code code using the following command: php file_name.php.

How do I know if PHP extensions are installed?

If your server only has a single PHP version installed, you can run this PHP command anywhere, and it will give you the same list of modules. The general command we will be using is php -m. This command will give you the full list of installed PHP modules/extensions.

How many types of array are there in PHP?

three types
In PHP, there are three types of arrays: Indexed arrays – Arrays with a numeric index. Associative arrays – Arrays with named keys. Multidimensional arrays – Arrays containing one or more arrays.

Can a PHP variable start with a number?

Rules for PHP variables: A variable starts with the $ sign, followed by the name of the variable. A variable name must start with a letter or the underscore character. A variable name cannot start with a number.