How do I know if PHP Mcrypt is installed?

How do I know if I have mcrypt installed?

You can use function_exists to check if one of the mcrypt functions exists. You can also achieve this same screen by viewing a php file that has: phpinfo(); somewhere in the code. In this screen, simply search for the string “mcrypt support”. If installed, you will see a box that says “enabled”.

How do I enable php-mcrypt?

This is probably the quickest method to enable php-mcrypt on windows server – all you need to do is:

  1. Find php. ini (main php configuration file)
  2. Open and search for;extension=php_mcrypt. dll )
  3. Uncomment/remove “;” and save the php. ini.

What is mcrypt php extension?

The mcrypt extension is a replacement for the UNIX crypt command. These commands serve as a means to encrypt files on UNIX and Linux systems. The php-mcrypt extension serves as an interface between PHP and mcrypt.

What can I use instead of Mcrypt?

10 Answers

  1. Use Libsodium – A PHP extension.
  2. If you can’t use Libsodium, use defuse/php-encryption – Straight PHP code.
  3. If you can’t use Libsodium or defuse/php-encryption, use OpenSSL – A lot of servers will already have this installed. If not, it can be compiled with –with-openssl[=DIR]
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How does Mcrypt work?

mcrypt is a replacement for the popular Unix crypt command. … Mcrypt provides the same functionality but uses several modern algorithms such as AES. Libmcrypt, Mcrypt’s companion, is a library of code which contains the actual encryption functions and provides an easy method for use.

How do I install PHP?

How to Install PHP

  1. Step 1: Download the PHP files. You’ll need the PHP Windows installer. …
  2. Step 2: Extract the files. …
  3. Step 3: Configure php. …
  4. Step 4: Add C:php to the path environment variable. …
  5. Step 5: Configure PHP as an Apache module. …
  6. Step 6: Test a PHP file.

How do I enable PHP modules?

Use phpenmod command followed by module name to enable specific PHP module on your system. In below example, the first command is an example and the second command will enable mbstring module for all installed PHP versions and all SAPI. You can also define the PHP version using -v switch to enable specific modules.

How do I enable PHP extensions in cPanel?

How to Enable/Disable PHP Extensions From cPanel? Print

  1. Login to cPanel.
  2. Locate Select PHP version and click on it.
  3. Choose your desired PHP version and click on Set as Current. …
  4. To set the PHP extensions, Click on Switch to PHP settings.
  5. Click on the extension you wish to change, enter the value and save the settings.

Where do I put the mcrypt extension?

Install mcrypt extension

After success installing mcrypt trought pecl, you should add extension to php. ini. Grab installing path and add to cli and apache2 php. ini configuration.

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How do you install PECL extensions?


  1. Install the Developer Tools for your DV server.
  2. Log into your server with a root or sudo user via SSH.
  3. Create a temporary executable “/tmp” directory, as shown in steps 1-3 of this article.
  4. Perform a channel-update for PEAR and PECL: # pear channel-update # pecl channel-update

How do you solve the Encrypt library requires the mcrypt extension?

with php 7 and above mcrypt need not to be loaded manually so both of the solution will work.

  1. $this->load->library(‘encrypt’); change to $this->load->library(‘encrypt’);
  2. Just remove encrypt from autoload. $autoload[‘libraries’] = array(‘database’,’session’,’upload’,’form_validation’,’encrypt’,’pagination’);
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