wp cli - How to prevent WP-CLI shell from exiting when an exception occurs?

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I am using WP-CLI shell to quickly debug some code, but every time I run into a fatal exception (e.g. undefined constants/functions) the shell exits and I lose my shell session. Is there a way to prevent this?

wp> new DoesntExist();
Fatal error: Class 'DoesntExist' not found in phar:///usr/local/bin/wp/php/WP_CLI/REPL.php(37) : eval()'d code on line 1

Shell exits..

I am using WP-CLI shell to quickly debug some code, but every time I run into a fatal exception (e.g. undefined constants/functions) the shell exits and I lose my shell session. Is there a way to prevent this?

wp> new DoesntExist();
Fatal error: Class 'DoesntExist' not found in phar:///usr/local/bin/wp/php/WP_CLI/REPL.php(37) : eval()'d code on line 1

Shell exits..

• wp-cli

Share Improve this question edited Nov 28, 2016 at 17:40 Damien asked Nov 28, 2016 at 16:12 DamienDamien 24144 silver badges99 bronze badges 4

• Have you tried: $ wp shell --basic – prosti Commented Nov 28, 2016 at 17:34
• Yes, I have. Doesn't seem to matter. – Damien Commented Nov 28, 2016 at 17:39
• @prosti have you used Boris before with WP-CLI? Apparently that would work but I cannot find documentation aside from it being mentioned here - wp-cli/commands/shell – Damien Commented Nov 28, 2016 at 17:42
• stackoverflow/questions/18809841/… – prosti Commented Nov 28, 2016 at 17:43

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 4

This is the default behavior of WP-CLI's built-in PHP REPL. If you look at the wp shell documentation, it shows that you can also use the Boris or PsySH PHP REPLs.

The Boris REPL does not seem to be actively maintained; however the PsySH REPL has fairly recent maintenance, and it fixes the problem that you're experiencing.

The easiest way to integrate PsySH with WP-CLI is to use the wp-cli-psysh plugin:

# Make sure WP-CLI is up to date
wp cli update

# Install the plugin
wp package install [email protected]:schlessera/wp-cli-psysh.git

After installing the plugin, running wp shell should show you a PsySH header that's similar to this:

$ wp shell

Psy Shell v0.9.9 (PHP 7.3.1-1+ubuntu18.04.1+deb.sury+1 — cli) by Justin Hileman

>>>

I am using WP-CLI shell to quickly debug some code, but every time I run into a fatal exception (e.g. undefined constants/functions) the shell exits and I lose my shell session. Is there a way to prevent this?

wp> new DoesntExist();
Fatal error: Class 'DoesntExist' not found in phar:///usr/local/bin/wp/php/WP_CLI/REPL.php(37) : eval()'d code on line 1

Shell exits..

I am using WP-CLI shell to quickly debug some code, but every time I run into a fatal exception (e.g. undefined constants/functions) the shell exits and I lose my shell session. Is there a way to prevent this?

wp> new DoesntExist();
Fatal error: Class 'DoesntExist' not found in phar:///usr/local/bin/wp/php/WP_CLI/REPL.php(37) : eval()'d code on line 1

Shell exits..

• wp-cli

Share Improve this question edited Nov 28, 2016 at 17:40 Damien asked Nov 28, 2016 at 16:12 DamienDamien 24144 silver badges99 bronze badges 4

• Have you tried: $ wp shell --basic – prosti Commented Nov 28, 2016 at 17:34
• Yes, I have. Doesn't seem to matter. – Damien Commented Nov 28, 2016 at 17:39
• @prosti have you used Boris before with WP-CLI? Apparently that would work but I cannot find documentation aside from it being mentioned here - wp-cli/commands/shell – Damien Commented Nov 28, 2016 at 17:42
• stackoverflow/questions/18809841/… – prosti Commented Nov 28, 2016 at 17:43

Add a comment  | 

1 Answer 1

Sorted by: Reset to default 4

This is the default behavior of WP-CLI's built-in PHP REPL. If you look at the wp shell documentation, it shows that you can also use the Boris or PsySH PHP REPLs.

The Boris REPL does not seem to be actively maintained; however the PsySH REPL has fairly recent maintenance, and it fixes the problem that you're experiencing.

The easiest way to integrate PsySH with WP-CLI is to use the wp-cli-psysh plugin:

# Make sure WP-CLI is up to date
wp cli update

# Install the plugin
wp package install [email protected]:schlessera/wp-cli-psysh.git

After installing the plugin, running wp shell should show you a PsySH header that's similar to this:

$ wp shell

Psy Shell v0.9.9 (PHP 7.3.1-1+ubuntu18.04.1+deb.sury+1 — cli) by Justin Hileman

>>>

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