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Install Mcrypt on macOS
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Install-Mcrypt.md

Setup php-mcrypt on macOS (and versions of Mac OS X)

These steps should have been mentioned in the prerequisites of the Laravel Installation Guide, since I'm surely not the only person trying to get Laravel running on macOS.

Install

Install Mcrypt using Homebrew and PECL (comes with PHP)

# PHP 7.3
$ brew install mcrypt
$ pecl install mcrypt-1.0.3

Find your php.ini:

$ php -i | grep "Loaded Configuration File"
Loaded Configuration File => /usr/local/etc/php/7.3/php.ini

Add this line to your php.ini:

extension=/usr/local/Cellar/php/7.3.x/pecl/20180731/mcrypt.so

Historic Answer

Install Mcrypt using Homebrew

# PHP 7
$ brew install php70-mcrypt

# PHP 5
$ brew install php56-mcrypt --without-homebrew-php

Add this line to /private/etc/php.ini:

# PHP 7
extension="/usr/local/Cellar/php70-mcrypt/7.0.x/mcrypt.so"

# PHP 5
extension="/usr/local/Cellar/php56-mcrypt/5.6.x/mcrypt.so"

You are ready to go!

Upgrade

Upgrade Mcrypt using Homebrew

$ brew reinstall -fs php71-mcrypt
@markwallman
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brew install mcrypt
followed by
pecl install mcrypt-1.0.1

You may need to alter your php.ini file after this.

@FemkeBuijs
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@markwallman how do i need to update my php.ini file? I tried adding the path brew gave me (extension="usr/local/Cellar/mcrypt/2.6.8") but it still gives me 'Mcrypt PHP extension required.'

@ecedenyo
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same issue here with @FemkeBuijs

@minorsolis
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Hi there! I solved this problem in Mac using Mojave. I had a Laravel mcrypt dependency. I did this:

  1. brew install httpd
  2. brew install php@5.6
  3. edit the http.conf (after installation it will tell you where's localted) and add that php version.
  4. In my case, I run it using the port 8080, so I configure it to be http://localhost:8080 that way I have both running (the default).
    mcrypt will be included, however, I did too many changes to you may also need to install mcrypt by doing this:
  • Also just in case (because I did too many things)
    If you still don't have mcrypt available, then:
  1. Install pecl
  2. sudo pecl install mcrypt-1.0.1

restart your brew apache using "sudo apachectl restart" and done!

@Iainmon
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Iainmon commented Nov 6, 2018

brew install mcrypt
followed by
pecl install mcrypt-1.0.1

You may need to alter your php.ini file after this.

Worked for me!

@MarGul
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MarGul commented Dec 12, 2018 •
edited

brew install mcrypt
followed by
pecl install mcrypt-1.0.1

This worked for me.

@quannguyenbkat
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quannguyenbkat commented Jan 5, 2019 •
edited

I hope this one can help someone
I have tried to install mcrypt with php7.1 but I got a warning "pecl/mcrypt requires PHP (version >= 7.2.0, version <= 7.3.0, excluded versions: 7.3.0)"
so I changed to php version 7.2 and run sudo pecl install mcrypt-1.0.1
after that, I switch to PHP 7.1 and it works
I'm using mac os v10.14 and apache environment

@leanwebstart
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If this can help someone... I did a lot of clean-up to get it to work... Now, first thing is start with a clean brew... that is,
brew doctor
is clean... all previous PHP are uninstalled and the actual directories cleaned up... then re-install 7.1 clean... then a simple
brew install mcrypt
will actually do the work and link the right pecl directory linked... That was a lot of work... but a great opportunity to clean up my mac... lol

@gagarine
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gagarine commented Feb 3, 2019

With macports:
sudo port install php71-mcrypt

@marcosrocha85
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I hope this one can help someone
I have tried to install mcrypt with php7.1 but I got a warning "pecl/mcrypt requires PHP (version >= 7.2.0, version <= 7.3.0, excluded versions: 7.3.0)"
so I changed to php version 7.2 and run sudo pecl install mcrypt-1.0.1
after that, I switch to PHP 7.1 and it works
I'm using mac os v10.14 and apache environment

I tried to do sudo pecl install mcrypt which tries to install mcrypt-1.0.2, but it fails on High Sierra on PHP 7.2. Using exactly sudo pecl install mcrypt-1.0.1 it did the trick.

@Yusov
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Yusov commented May 13, 2019 •
edited 

brew install mcrypt
php -i | grep 'Configuration File'
cd {config path}/php.ini
add  extension=mcrypt.so
sudo pecl install mcrypt-1.0.1
sudo apachectl restart

OS Mojave works perfectly

@daniel-esparragoza
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brew install mcrypt
followed by
pecl install mcrypt-1.0.1

You may need to alter your php.ini file after this.

For PHP 7.3, I installed mcrypt-1.0.2 as it supports PHP>=7.2 and PHP<=7.4
brew install mcrypt
pecl install mcrypt-1.0.2

I use Mojave and PHP 7.3. This works for me.
I didn't need to edit my php.ini, pecl did it automatically

@beporter
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Spotted a typo in the title: s/php-mycrypt/php-mcrypt/.

@ed-fruty
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ed-fruty commented Aug 1, 2019

php 7.2

brew install mcrypt
pecl install mcrypt-1.0.1

Pecl installation failed. I see, that my directory links was broken.

in /usr/local/Cellar/php@7.2/7.2.15/share/php@7.2/pear/System.php:294 I so that it try to create /usr/local/Cellar/php@7.2/7.2.15/pecl . In the fact it's a broken link to /usr/local/lib/php/pecl. That directory was not created. If you have something like thiis, you need to create another link, like:

cd /usr/local/lib/php && ln -s 20170718 pecl

@yamenarahman
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Thanks @daniel-esparragoza

@skalero01
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php 7.3

brew install mcrypt
pecl install mcrypt-1.0.3

@lgelfan
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lgelfan commented Oct 27, 2019

for php 7.2 on High Sierra, similar to above, this worked for me:

brew install mcrypt
$(brew --prefix php@7.2)/bin/pecl install mcrypt

(you might need --force on the pecl install)

@linuxcarl
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no me funciona nada en laravel 4.2y php7.3 y mac os catalina

@linuxcarl
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@daniel-esparragoza puedes compartir tu php.ini

@daniel-esparragoza
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@daniel-esparragoza puedes compartir tu php.ini

https://gist.github.com/daniel-esparragoza/3c25c640fd1cb701115535eea7a3c0a9

@generalistcodes
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With macports:
sudo port install php71-mcrypt

and where is the mcrypt.so located after this?

@Alfian5229
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With macports:
sudo port install php71-mcrypt

and where is the mcrypt.so located after this?

yes, help us captain

@subdesign
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If you use Laravel Valet, give a valet restart command after installing mcrypt so the system should recognise the lib.

@danmolina
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danmolina commented Nov 29, 2021 •
edited

try pecl install mcrypt <<<"$(ls -d $(brew --prefix)/Cellar/mcrypt/* | tail -1)"

@roelvan
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roelvan commented Dec 1, 2021

Thanks @danmolina, worked!

@jovyllebermudez
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Hi there! I solved this problem in Mac using Mojave. I had a Laravel mcrypt dependency. I did this:

  1. brew install httpd
  2. brew install php@5.6
  3. edit the http.conf (after installation it will tell you where's localted) and add that php version.
  4. In my case, I run it using the port 8080, so I configure it to be http://localhost:8080 that way I have both running (the default).
    mcrypt will be included, however, I did too many changes to you may also need to install mcrypt by doing this:
  • Also just in case (because I did too many things)
    If you still don't have mcrypt available, then:
  1. Install pecl
  2. sudo pecl install mcrypt-1.0.1

restart your brew apache using "sudo apachectl restart" and done!

pecl/mcrypt requires PHP (version >= 7.2.0, version <= 7.3.0, excluded versions: 7.3.0), installed version is 5.6.40
No valid packages found
install failed

above is my issue, it seems it no longer exist.

@j-carbaquil
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Try the following steps found here. I setup my PHP using brew tap shivammathur/php.

My PHP version 7.0 however in the link you can install other PHP versions.

  1. brew tap shivammathur/extensions
  2. brew install shivammathur/extensions/mcrypt@7.0

Happy coding!

@ajmedway
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ajmedway commented Aug 18, 2022 •
edited

Try the following steps found here. I setup my PHP using brew tap shivammathur/php.

My PHP version 7.0 however in the link you can install other PHP versions.

  1. brew tap shivammathur/extensions
  2. brew install shivammathur/extensions/mcrypt@7.0

Happy coding!

I tried this for php@5.6, but it's not clear what is the next step to get mcrypt working? I tried pecl install mcrypt <5.6 mcrypt dir> but didn't work? See below:

————

==> Downloading https://ghcr.io/v2/shivammathur/extensions/mcrypt/5.6/manifests/5.6.40-2
######################################################################## 100.0%
==> Downloading https://ghcr.io/v2/shivammathur/extensions/mcrypt/5.6/blobs/sha256:7199e2f4e75f74f3dbc9f83625aea9732d1da
==> Downloading from https://pkg-containers.githubusercontent.com/ghcr1/blobs/sha256:7199e2f4e75f74f3dbc9f83625aea9732d1
######################################################################## 100.0%
==> Installing mcrypt@5.6 from shivammathur/extensions
==> Pouring mcrypt@5.6--5.6.40.arm64_monterey.bottle.2.tar.gz
Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /opt/homebrew
Could not symlink bin/libmcrypt-config
Target /opt/homebrew/bin/libmcrypt-config
is a symlink belonging to mcrypt. You can unlink it:
  brew unlink mcrypt

To force the link and overwrite all conflicting files:
  brew link --overwrite mcrypt@5.6

To list all files that would be deleted:
  brew link --overwrite --dry-run mcrypt@5.6

Possible conflicting files are:
/opt/homebrew/bin/libmcrypt-config -> /opt/homebrew/Cellar/mcrypt/2.6.8/bin/libmcrypt-config
/opt/homebrew/include/mcrypt.h -> /opt/homebrew/Cellar/mcrypt/2.6.8/include/mcrypt.h
/opt/homebrew/include/mutils/mcrypt.h -> /opt/homebrew/Cellar/mcrypt/2.6.8/include/mutils/mcrypt.h
Error: Could not symlink include/php/TSRM/TSRM.h
Target /opt/homebrew/include/php/TSRM/TSRM.h
is a symlink belonging to php@5.6. You can unlink it:
  brew unlink php@5.6

To force the link and overwrite all conflicting files:
  brew link --overwrite php@5.6

To list all files that would be deleted:
  brew link --overwrite --dry-run php@5.6

ap@MacBook-Pro ~ % pecl install mcrypt <<<"$(ls -d $(brew --prefix)/Cellar/mcrypt@5.6/* | tail -1)"
pecl/mcrypt requires PHP (version >= 7.2.0, version <= 8.2.0, excluded versions: 8.2.0), installed version is 5.6.40
No valid packages found
install failed

So, I temporarily switched to using php 7.4 and tried running again and...

pecl/mcrypt is already installed and is the same as the released version 1.0.5
install failed

Has anyone got this working recently for 5.6?

@yourfriend5340
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Try the following steps found here. I setup my PHP using brew tap shivammathur/php.
My PHP version 7.0 however in the link you can install other PHP versions.

  1. brew tap shivammathur/extensions
  2. brew install shivammathur/extensions/mcrypt@7.0

Happy coding!

I tried this for php@5.6, but it's not clear what is the next step to get mcrypt working? I tried pecl install mcrypt <5.6 mcrypt dir> but didn't work? See below:

————

==> Downloading https://ghcr.io/v2/shivammathur/extensions/mcrypt/5.6/manifests/5.6.40-2
######################################################################## 100.0%
==> Downloading https://ghcr.io/v2/shivammathur/extensions/mcrypt/5.6/blobs/sha256:7199e2f4e75f74f3dbc9f83625aea9732d1da
==> Downloading from https://pkg-containers.githubusercontent.com/ghcr1/blobs/sha256:7199e2f4e75f74f3dbc9f83625aea9732d1
######################################################################## 100.0%
==> Installing mcrypt@5.6 from shivammathur/extensions
==> Pouring mcrypt@5.6--5.6.40.arm64_monterey.bottle.2.tar.gz
Error: The `brew link` step did not complete successfully
The formula built, but is not symlinked into /opt/homebrew
Could not symlink bin/libmcrypt-config
Target /opt/homebrew/bin/libmcrypt-config
is a symlink belonging to mcrypt. You can unlink it:
  brew unlink mcrypt

To force the link and overwrite all conflicting files:
  brew link --overwrite mcrypt@5.6

To list all files that would be deleted:
  brew link --overwrite --dry-run mcrypt@5.6

Possible conflicting files are:
/opt/homebrew/bin/libmcrypt-config -> /opt/homebrew/Cellar/mcrypt/2.6.8/bin/libmcrypt-config
/opt/homebrew/include/mcrypt.h -> /opt/homebrew/Cellar/mcrypt/2.6.8/include/mcrypt.h
/opt/homebrew/include/mutils/mcrypt.h -> /opt/homebrew/Cellar/mcrypt/2.6.8/include/mutils/mcrypt.h
Error: Could not symlink include/php/TSRM/TSRM.h
Target /opt/homebrew/include/php/TSRM/TSRM.h
is a symlink belonging to php@5.6. You can unlink it:
  brew unlink php@5.6

To force the link and overwrite all conflicting files:
  brew link --overwrite php@5.6

To list all files that would be deleted:
  brew link --overwrite --dry-run php@5.6

ap@MacBook-Pro ~ % pecl install mcrypt <<<"$(ls -d $(brew --prefix)/Cellar/mcrypt@5.6/* | tail -1)"
pecl/mcrypt requires PHP (version >= 7.2.0, version <= 8.2.0, excluded versions: 8.2.0), installed version is 5.6.40
No valid packages found
install failed

So, I temporarily switched to using php 7.4 and tried running again and...

pecl/mcrypt is already installed and is the same as the released version 1.0.5
install failed

Has anyone got this working recently for 5.6?

hi,bro
I have the same problem, and i resolved it...

1.brew tap shivammathur/extensions
2. brew search mcrypt(it will show "shivammathur/extensions/mcrypt@5.6" in the list)
3. brew install shivammathur/extensions/mcrypt@5.6

you will fine mcrypt.so in the "/usr/local/mcrypt@5.6/5.6.40"

@idleberg
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Author

Support for PHP 7.x runs out in just a few days, you can't be serious about still using 5.x

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