To use ZeroMQ with PHP on Mac Yosemite, you need to install the ZeroMQ library and the PHP extension. Here's a step-by-step guide to set it up:

  1. Install ZeroMQ Library: First, you need to install the ZeroMQ library itself. You can use Homebrew, a popular package manager for macOS, to do this. Open Terminal and run the following command:

    brew install zmq

    Homebrew will download and install the ZeroMQ library on your system.

  2. Install PHP Extension: To use ZeroMQ in PHP, you need to install the ZeroMQ PHP extension. If you're using the default PHP version that comes with macOS, you can install the extension using PECL (PHP Extension Community Library). Run the following command in Terminal:

    pecl install zmq-beta

    Note: The PHP version that comes with macOS may not include the necessary build tools. If you encounter any issues during the installation, you may need to install the Xcode Command Line Tools. You can install them by running the following command:

    xcode-select --install

    If you are using a custom PHP version installed via Homebrew or other methods, you might need to use a different installation method for the extension.

  3. Enable the PHP Extension: Once the installation is successful, you need to enable the ZeroMQ extension in your php.ini file. Locate your php.ini file using the following command:

    php --ini

    Open the php.ini file in a text editor and add the following line:

  4. Restart PHP-FPM or Apache: After enabling the extension, you need to restart PHP-FPM or Apache (whichever you are using) for the changes to take effect. Run the following command:

    sudo apachectl restart


    sudo launchctl stop homebrew.mxcl.php{version}-fpm sudo launchctl start homebrew.mxcl.php{version}-fpm
  5. Verify Installation: To check if the ZeroMQ extension is installed correctly, create a PHP file with the following content:

    <?php if (extension_loaded('zmq')) { echo "ZeroMQ is installed and enabled."; } else { echo "ZeroMQ is not installed or not enabled."; }

    Save the file as zmq_test.php and open it in your web browser. If everything is set up correctly, you should see the message "ZeroMQ is installed and enabled."

With these steps, you should have ZeroMQ installed and running with PHP on Mac Yosemite. You can now start using ZeroMQ in your PHP applications for messaging and communication between processes.

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