Requirements
on ubuntu you can get it from Synaptic Package Manager
just search words "gmp",you'll find it.
Installation
In order to have these functions available, you must compile PHP with GMP support by using the --with-gmp option.
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User Contributed Notes
Installation - [7 notes]
admin at ee-dd dot com ¶
1 year ago
Chris ¶
4 years ago
Under Windows you will need to uncomment the line
;extension=php_gmp.dll
within the php.ini and restart Apache.
arancaytar dot ilyaran at gmail dot com ¶
4 years ago
Note that this parameter requires a path, as in --with-gmp=DIR, if gmp is installed in a non-standard location, which is almost always the case when you are building your own PHP installation in your home directory.
Obvious, but it's an easy mistake.
MiquelFire ¶
3 years ago
With PHP 5.3 on Windows, you need to use the VC9 build, otherwise you will not have the dll to enable GMP
omagaldadze at yahoo dot com ¶
15 days ago
On ArchLinux php 5.4.14-1 I had to uncomment the line
extension=gmp.so
in /etc/php/php.ini file.
Probably, restart of web server (e.g. Apache) is required if working from web.
mike dot mackintosh at angrystatic dot com ¶
1 month ago
On Debian platforms, make sure you install the gmp development library first:
sudo apt-get install libgmp-dev
Just like other extensions, you need the libs installed before php compile will gracefully complete.