Compiling php with curl, where is curl installed?

The location of the curl installation depends on the operating system and the method used to install it. On Linux and macOS systems, it is typically installed in a directory under /usr/local/ or /usr/. On Windows systems, it may be installed in the C:\Program Files directory. To find the correct prefix for the --with-curl configuration flag, run curl-config --prefix on Linux/macOS. On Windows, use where curl in Command Prompt or Get-Command curl in PowerShell to locate the installation directory.

To compile PHP with curl support, you must specify the curl installation path during configuration:

./configure --with-curl=/path/to/curl
make
make install

On modern PHP versions (7.4+), the curl extension is bundled and enabled by default. If you are using an older version or a custom build where it is missing, you can enable it by adding the following line to your PHP configuration file (php.ini):

extension=curl

(On Linux/macOS, use extension=curl.so; on Windows, use extension=php_curl.dll.)

After compiling or enabling the extension, verify that curl is active by running:

php -m | grep curl