Install PHP kernel under Jupyter Notebook

I have recently been strongly attracted by Jupyter Notebook, an interactive notebook. Then after trying out its own Python kernel, I felt very good about this application as a whole, so I searched for other kernels it supports, including Jupyter Kernels.

I will introduce below how to install the PHP kernel under this application.

Installation steps

Install PHP kernel Jupyter-PHP

Environment requirements

1.PHP > ;= 7.0

2.Jupyter Notebook has been installed

3.Operation on Mac

Steps

1.Install Composer globally

$ curl -sS https://getcomposer.org/installer | php
$ mv composer.phar /usr/local/bin/composer

2. Install the PHP-ZMQ extension

(1) Download and compile

$ git clone git://github.com/mkoppanen/php-zmq.git
$ cd php-zmq
$ phpize && ./configure
$ make && make install

(2) Modify the configuration

Modify the php.ini configuration and add `extension=/path/modules/zmq.so`

3. Downloadjupyter-php-installer.phar

4.Execute phar installation program

$ php jupyter-php-installer.phar install

5. The installation is successful, and the Jupyter-PHP kernel has been successfully installed.

Problems encountered and solved

Problem 1:

Compile PHP-ZMQ without autoconf and pkg-config

Solution:

    $ brew install autoconf
    $ brew install pkg-config

Problem 2:

No php.ini on Mac

Solution:

    $ sudo cp /etc/php.ini.default /etc/php.ini

Question 3:

The compiled extension zmq.so cannot be moved to the PHP default extension path /usr/lib/php/extensions/no-debug-non- zts-20160303/

Solution:

Because macOS System Integrity Protection (SIP) will prevent you from moving zmq.so to the default path, and I don’t want to turn off SIP. So the solution is to introduce extensions to write absolute paths

extension=/path/modules/zmq.so

Problem 4:

Use PHP kernel and print to print double output

Solution:

In fact, it is caused by the indistinguishable output between the printed value and the return value, and the author has not solved it yet. View issues

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