On FreeBSD, this library is NOT included automatically. It must be manually installed. This can be done with the following command:
pkg install php70-ctype
This extension is enabled by default. It may be disabled by using the following option at compile time: --disable-ctype
The Windows version of PHP has built-in support for this extension. You do not need to load any additional extensions in order to use these functions.
On FreeBSD, this library is NOT included automatically. It must be manually installed. This can be done with the following command:
pkg install php70-ctype