René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Catch exceptions to avoid restarting session","articleBody":"## Feature Request\r\n\r\n- [x] Yes, I reviewed the [contribution guidelines](https://make.wordpress.org/cli/handbook/contributing/).\r\n\r\n**Describe your use case and the problem you are facing**\r\n\r\nMaking typos/etc often results in a fatal error, and the session crashes and has to be restarted. After restarting, I have to recreate any variables, includes, etc from scratch, without making any fatal errors. That often makes it just too frustrating to use.\r\n\r\n\r\n```sh\r\n> wp shell\r\nwp> require 'foo.txt';\r\nWarning: require(foo.txt): Failed to open stream: No such file or directory in phar:///usr/local/bin/wp/vendor/wp-cli/shell-command/src/WP_CLI/Shell/REPL.php(32) : eval()'d code on line 1\r\nFatal error: Uncaught Error: Failed opening required 'foo.txt' (include_path='.:/usr/local/Cellar/php/8.0.0_1/share/php/pear') in phar:///usr/local/bin/wp/vendor/wp-cli/shell-command/src/WP_CLI/Shell/REPL.php(32) : eval()'d code:1\r\nStack trace:\r\n#0 phar:///usr/local/bin/wp/vendor/wp-cli/shell-command/src/WP_CLI/Shell/REPL.php(32): eval()\r\n#1 phar:///usr/local/bin/wp/vendor/wp-cli/shell-command/src/Shell_Command.php(51): WP_CLI\\Shell\\REPL->start()\r\n#2 [internal function]: Shell_Command->__invoke(Array, Array)\r\n#3 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/CommandFactory.php(98): call_user_func(Array, Array, Array)\r\n#4 [internal function]: WP_CLI\\Dispatcher\\CommandFactory::WP_CLI\\Dispatcher\\{closure}(Array, Array)\r\n#5 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/Subcommand.php(451): call_user_func(Object(Closure), Array, Array)\r\n#6 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(371): WP_CLI\\Dispatcher\\Subcommand->invoke(Array, Array, Array)\r\n#7 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(394): WP_CLI\\Runner->run_command(Array, Array)\r\n#8 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(1160): WP_CLI\\Runner->run_command_and_exit()\r\n#9 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LaunchRunner.php(23): WP_CLI\\Runner->start()\r\n#10 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/bootstrap.php(74): WP_CLI\\Bootstrap\\LaunchRunner->process(Object(WP_CLI\\Bootstrap\\BootstrapState))\r\n#11 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/wp-cli.php(27): WP_CLI\\bootstrap()\r\n#12 phar:///usr/local/bin/wp/php/boot-phar.php(11): include('phar:///usr/loc...')\r\n#13 /usr/local/bin/wp(4): include('phar:///usr/loc...')\r\n#14 {main}\r\n  thrown in phar:///usr/local/bin/wp/vendor/wp-cli/shell-command/src/WP_CLI/Shell/REPL.php(32) : eval()'d code on line 1\r\nError: There has been a critical error on this website.Learn more about debugging in WordPress. There has been a critical error on this website.\r\n```\r\n\r\n\r\n\r\n**Describe the solution you'd like**\r\n\r\nPHP's REPL is able to catch fatals and continue running:\r\n\r\n```sh\r\nphp > $foo = 'stuff';\r\nphp > echo $foo;\r\nstuff\r\nphp > require 'foo.txt';\r\n\r\nWarning: require(foo.txt): Failed to open stream: No such file or directory in php shell code on line 1\r\n\r\nWarning: Uncaught Error: Failed opening required 'foo.txt' (include_path='.:/usr/local/Cellar/php/8.0.0_1/share/php/pear') in php shell code:1\r\nStack trace:\r\n#0 {main}\r\n  thrown in php shell code on line 1\r\nphp > echo $foo;\r\nstuff\r\n```\r\n\r\nIs that possible for `wp shell` ?","author":{"url":"https://github.com/iandunn","@type":"Person","name":"iandunn"},"datePublished":"2020-12-05T17:00:31Z","url":"https://github.com/wp-cli/shell-command/issues/50"}