How Do I Fix the 'Laravel Requires the Mcrypt PHP Extension' Error on OSX?

Resolving the "Laravel Requires the Mcrypt PHP Extension" Error

When attempting to execute the migrate function in Laravel 4 on OSX, users may encounter the error "Laravel requires the Mcrypt PHP extension." Despite the extension appearing enabled, there may be underlying issues that prevent its proper functioning.

One potential cause is the presence of MAMP on the system. MAMP includes its own PHP version, which may be different from the one being used by Laravel. To verify this, use the "which php" command in the terminal. If the returned path does not indicate MAMP's PHP version, edit or create the .bash_profile in the user's home directory (cd ~).

In .bash_profile, add the following line:

export PATH=/Applications/MAMP/bin/php/php5.4.10/bin:$PATH

Replace "php5.4.10/bin" with the actual PHP version installed in MAMP. After adding this line, restart the terminal to update the PHP version being used.

Alternatively, if MAMP is not the issue, it is advisable to check whether the PHP version being used has Mcrypt support. Use the "php -i | grep Mcrypt" command to verify its status. If Mcrypt is not enabled, use the appropriate method for enabling it based on the specific PHP version and operating system.

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