安装/配置

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User Contributed Notes

karan at world dot com 12-Nov-2018 11:41
For PHP-7 UNIX Server use this

sudo apt-get install mcrypt php7.0-mcrypt

sudo service apache2 restart
nishanth at sintheetaa dot in 05-Apr-2018 10:16
Issue Solved when installing php7.2-mcrypt
I was also facing the same issue. Check this link https://stackoverflow.com/q/48275494/7713811
to get the right solution for installing it in PHP
Greg Rundlett 26-Nov-2014 08:05
debian/ubuntu php5 (>= 5.4.0~rc6-1) has introduced two new commands:
php5enmod and php5dismod

# install the extension
sudo apt-get install php5-mcrypt
# you can see that it's installed by the presence of the .ini file
cat /etc/php5/mods-available/mcrypt.ini
# enable it
sudo php5enmod mcrypt
# reload Apache to make use of the extension
sudo service apache2 reload
cguzmana at gmail dot com 06-Oct-2014 08:24
Resolved my problem on Ubuntu 14.04:

$sudo apt-get install php5-mcrypt
$sudo php5enmod mcrypt
info at papoo dot de 11-Mar-2014 01:13
Same Problem on Linux Mint - Call to undefined function mcrypt_create_iv...

Solved by adding the folowing line to the php.ini
extension=mcrypt.so

After that a
service apache2 restart
solved it...

Have fun with it...
Jbud 24-Dec-2013 09:31
The following link solved my problem

[Tue Dec 24 12:42:33.003683 2013] [:error] [pid 8448] [client 127.0.0.1:33146] PHP Fatal error:  Call to undefined function mcrypt_decrypt() ...

http://stackoverflow.com/questions/4809611/problem-with-mcrypt-installation/20208943#20208943
nsantana at NOSPAMS dot gmail dot com 19-Oct-2012 11:21
Using PHP version "PHP Version 5.3.10-1ubuntu3.4" and Ubuntu 12.0.4 on Apache2...

Make sure you have mcrypt installed and active on your php5 install. Use "sudo apt-get install php5-mcrypt" to install, that should sort the issue.
dork 11-May-2010 10:54
On ubuntu 8 (hardy), the mcrypt library seems to be here.

/usr/lib/php5/20060613/mcrypt.so

So I just created mcrypt.ini in /etc/php5/conf.d and added this one liner.

extension=mcrypt.so
bobeck at lycos dot com 06-Jan-2010 06:32
To make sure that mcrypt doesn't fail to load when
using Windows XP , Apache 2 and php 5, even if all the required procedure to install it has been accomplished already, copy libmcrypt.dll, which is normally in the php main directory, into the php\ext directory.
kmasaryk 14-Jul-2009 05:30
Also on Ubuntu, make sure you actually have php5-mcrypt installed. You can install it with:

sudo apt-get install php5-mcrypt

If you get any errors, you may need to enable the 'universe' repository, explained here:
https://help.ubuntu.com/community/Repositories/Ubuntu
rskret at gmail dot com 28-Feb-2009 04:04
PROBLEM: cannot load mcrypt extension. please check your php configuration

I have done as suggested by the contributor before me and copied libmcrypt.dll from F:\wamp\bin\php\PHP52~1.8
to C:\WINDOWS\system32 . This did not work on it's own. I found other advice as follows and now mcrypt is working.

OTHER ADVICE:

Go to F:\wamp\bin\php\PHP52~1.8\php.ini
change ;extension=php_mcrypt.dll
to      extension=php_mcrypt.dll
(ie. remove ; )

now go to the following 2 files and do the same:
F:\wamp\bin\php\PHP52~1.8\phpForApache.ini
F:\wamp\bin\apache\APACHE~1.11\bin\php.ini

Please adjust the directory location per your own installation.
ch0wnag3 AT gmail DOT com 21-Jul-2008 02:16
On Windows installations, for the dynamic extension (extension=php_mcrypt.dll) to load properly, you must copy libmcrypt.dll from your PHP root folder (e.g. C:\PHP) to the following location:

C:\WINDOWS\system32

With this done, the dynamic extension will load up just fine.
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