<?php
use Composer\Semver\Comparator;
use WP_CLI\Completions;
use WP_CLI\Formatter;
use WP_CLI\Process;
use WP_CLI\Utils;
/**
* Reviews current WP-CLI info, checks for updates, or views defined aliases.
*
* ## EXAMPLES
*
* # Display the version currently installed.
* $ wp cli version
* WP-CLI 0.24.1
*
* # Check for updates to WP-CLI.
* $ wp cli check-update
* Success: WP-CLI is at the latest version.
*
* # Update WP-CLI to the latest stable release.
* $ wp cli update
* You have version 0.24.0. Would you like to update to 0.24.1? [y/n] y
* Downloading from https://github.com/wp-cli/wp-cli/releases/download/v0.24.1/wp-cli-0.24.1.phar...
* New version works. Proceeding to replace.
* Success: Updated WP-CLI to 0.24.1.
*
* # Clear the internal WP-CLI cache.
* $ wp cli cache clear
* Success: Cache cleared.
*
* @when before_wp_load
*/
class CLI_Command extends WP_CLI_Command {
private function command_to_array( $command ) {
$dump = [
'name' => $command->get_name(),
'description' => $command->get_shortdesc(),
'longdesc' => $command->get_longdesc(),
'hook' => $command->get_hook(),
];
foreach ( $command->get_subcommands() as $subcommand ) {
$dump['subcommands'][] = $this->command_to_array( $subcommand );
}
if ( empty( $dump['subcommands'] ) ) {
$dump['synopsis'] = (string) $command->get_synopsis();
}
return $dump;
}
/**
* Prints WP-CLI version.
*
* ## EXAMPLES
*
* # Display CLI version.
* $ wp cli version
* WP-CLI 0.24.1
*/
public function version() {
WP_CLI::line( 'WP-CLI ' . WP_CLI_VERSION );
}
/**
* Prints various details about the WP-CLI environment.
*
* Helpful for diagnostic purposes, this command shares:
*
* * OS information.
* * Shell information.
* * PHP binary used.
* * PHP binary version.
* * php.ini configuration file used (which is typically different than web).
* * WP-CLI root dir: where WP-CLI is installed (if non-Phar install).
* * WP-CLI global config: where the global config YAML file is located.
* * WP-CLI project config: where the project config YAML file is located.
* * WP-CLI version: currently installed version.
*
* See [config docs](https://make.wordpress.org/cli/handbook/references/config/) for more details on global
* and project config YAML files.
*
* ## OPTIONS
*
* [--format=<format>]
* : Render output in a particular format.
* ---
* default: list
* options:
* - list
* - json
* ---
*
* ## EXAMPLES
*
* # Display various data about the CLI environment.
* $ wp cli info
* OS: Linux 4.10.0-42-generic #46~16.04.1-Ubuntu SMP Mon Dec 4 15:57:59 UTC 2017 x86_64
* Shell: /usr/bin/zsh
* PHP binary: /usr/bin/php
* PHP version: 7.1.12-1+ubuntu16.04.1+deb.sury.org+1
* php.ini used: /etc/php/7.1/cli/php.ini
* WP-CLI root dir: phar://wp-cli.phar
* WP-CLI packages dir: /home/person/.wp-cli/packages/
* WP-CLI global config:
* WP-CLI project config:
* WP-CLI version: 1.5.0
*/
public function info( $_, $assoc_args ) {
// php_uname() $mode argument was only added with PHP 7.0+. Fall back to
// entire string for older versions.
$system_os = PHP_MAJOR_VERSION < 7
? php_uname()
: sprintf(
'%s %s %s %s',
php_uname( 's' ),
php_uname( 'r' ),
php_uname( 'v' ),
php_uname( 'm' )
);
$shell = getenv( 'SHELL' );
if ( ! $shell && Utils\is_windows() ) {
$shell = getenv( 'ComSpec' );
}
$php_bin = Utils\get_php_binary();
$runner = WP_CLI::get_runner();
$packages_dir = $runner->get_packages_dir_path();
if ( ! is_dir( $packages_dir ) ) {
$packages_dir = null;
}
if ( Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
$info = [
'system_os' => $system_os,
'shell' => $shell,
'php_binary_path' => $php_bin,
'php_version' => PHP_VERSION,
'php_ini_used' => get_cfg_var( 'cfg_file_path' ),
'mysql_binary_path' => Utils\get_mysql_binary_path(),
'mysql_version' => Utils\get_mysql_version(),
'sql_modes' => Utils\get_sql_modes(),
'wp_cli_dir_path' => WP_CLI_ROOT,
'wp_cli_vendor_path' => WP_CLI_VENDOR_DIR,
'wp_cli_phar_path' => defined( 'WP_CLI_PHAR_PATH' ) ? WP_CLI_PHAR_PATH : '',
'wp_cli_packages_dir_path' => $packages_dir,
'wp_cli_cache_dir_path' => Utils\get_cache_dir(),
'global_config_path' => $runner->global_config_path,
'project_config_path' => $runner->project_config_path,
'wp_cli_version' => WP_CLI_VERSION,
];
WP_CLI::line( json_encode( $info ) );
} else {
WP_CLI::line( "OS:\t" . $system_os );
WP_CLI::line( "Shell:\t" . $shell );
WP_CLI::line( "PHP binary:\t" . $php_bin );
WP_CLI::line( "PHP version:\t" . PHP_VERSION );
WP_CLI::line( "php.ini used:\t" . get_cfg_var( 'cfg_file_path' ) );
WP_CLI::line( "MySQL binary:\t" . Utils\get_mysql_binary_path() );
WP_CLI::line( "MySQL version:\t" . Utils\get_mysql_version() );
WP_CLI::line( "SQL modes:\t" . implode( ',', Utils\get_sql_modes() ) );
WP_CLI::line( "WP-CLI root dir:\t" . WP_CLI_ROOT );
WP_CLI::line( "WP-CLI vendor dir:\t" . WP_CLI_VENDOR_DIR );
WP_CLI::line( "WP_CLI phar path:\t" . ( defined( 'WP_CLI_PHAR_PATH' ) ? WP_CLI_PHAR_PATH : '' ) );
WP_CLI::line( "WP-CLI packages dir:\t" . $packages_dir );
WP_CLI::line( "WP-CLI cache dir:\t" . Utils\get_cache_dir() );
WP_CLI::line( "WP-CLI global config:\t" . $runner->global_config_path );
WP_CLI::line( "WP-CLI project config:\t" . $runner->project_config_path );
WP_CLI::line( "WP-CLI version:\t" . WP_CLI_VERSION );
}
}
/**
* Checks to see if there is a newer version of WP-CLI available.
*
* Queries the GitHub releases API. Returns available versions if there are
* updates available, or success message if using the latest release.
*
* ## OPTIONS
*
* [--patch]
* : Only list patch updates.
*
* [--minor]
* : Only list minor updates.
*
* [--major]
* : Only list major updates.
*
* [--field=<field>]
* : Prints the value of a single field for each update.
*
* [--fields=<fields>]
* : Limit the output to specific object fields. Defaults to version,update_type,package_url,status,requires_php.
*
* [--format=<format>]
* : Render output in a particular format.
* ---
* default: table
* options:
* - table
* - csv
* - json
* - count
* - yaml
* ---
*
* ## EXAMPLES
*
* # Check for update.
* $ wp cli check-update
* Success: WP-CLI is at the latest version.
*
* # Check for update and new version is available.
* $ wp cli check-update
* +---------+-------------+-------------------------------------------------------------------------------+
* | version | update_type | package_url |
* +---------+-------------+-------------------------------------------------------------------------------+
* | 0.24.1 | patch | https://github.com/wp-cli/wp-cli/releases/download/v0.24.1/wp-cli-0.24.1.phar |
* +---------+-------------+-------------------------------------------------------------------------------+
*
* @subcommand check-update
*/
public function check_update( $_, $assoc_args ) {
$updates = $this->get_updates( $assoc_args );
if ( $updates ) {
$formatter = new Formatter(
$assoc_args,
[ 'version', 'update_type', 'package_url', 'status', 'requires_php' ]
);
$formatter->display_items( $updates );
} elseif ( empty( $assoc_args['format'] ) || 'table' === $assoc_args['format'] ) {
$update_type = $this->get_update_type_str( $assoc_args );
WP_CLI::success( "WP-CLI is at the latest{$update_type}version." );
}
}
/**
* Updates WP-CLI to the latest release.
*
* Default behavior is to check the releases API for the newest stable
* version, and prompt if one is available.
*
* Use `--stable` to install or reinstall the latest stable version.
*
* Use `--nightly` to install the latest built version of the master branch.
* While not recommended for production, nightly contains the latest and
* greatest, and should be stable enough for development and staging
* environments.
*
* Only works for the Phar installation mechanism.
*
* ## OPTIONS
*
* [--patch]
* : Only perform patch updates.
*
* [--minor]
* : Only perform minor updates.
*
* [--major]
* : Only perform major updates.
*
* [--stable]
* : Update to the latest stable release. Skips update check.
*
* [--nightly]
* : Update to the latest built version of the master branch. Potentially unstable.
*
* [--yes]
* : Do not prompt for confirmation.
*
* [--insecure]
* : Retry without certificate validation if TLS handshake fails. Note: This makes the request vulnerable to a MITM attack.
*
* ## EXAMPLES
*
* # Update CLI.
* $ wp cli update
* You are currently using WP-CLI version 0.24.0. Would you like to update to 0.24.1? [y/n] y
* Downloading from https://github.com/wp-cli/wp-cli/releases/download/v0.24.1/wp-cli-0.24.1.phar...
* New version works. Proceeding to replace.
* Success: Updated WP-CLI to 0.24.1.
*/
public function update( $_, $assoc_args ) {
if ( ! Utils\inside_phar() ) {
WP_CLI::error( 'You can only self-update Phar files.' );
}
$old_phar = realpath( $_SERVER['argv'][0] );
if ( ! is_writable( $old_phar ) ) {
WP_CLI::error( sprintf( '%s is not writable by current user.', $old_phar ) );
} elseif ( ! is_writable( dirname( $old_phar ) ) ) {
WP_CLI::error( sprintf( '%s is not writable by current user.', dirname( $old_phar ) ) );
}
if ( Utils\get_flag_value( $assoc_args, 'nightly' ) ) {
WP_CLI::confirm( sprintf( 'You are currently using WP-CLI version %s. Would you like to update to the latest nightly version?', WP_CLI_VERSION ), $assoc_args );
$download_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar';
$md5_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar.md5';
$sha512_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar.sha512';
} elseif ( Utils\get_flag_value( $assoc_args, 'stable' ) ) {
WP_CLI::confirm( sprintf( 'You are currently using WP-CLI version %s. Would you like to update to the latest stable release?', WP_CLI_VERSION ), $assoc_args );
$download_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar';
$md5_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar.md5';
$sha512_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar.sha512';
} else {
$updates = $this->get_updates( $assoc_args );
$newest = $this->array_find(
$updates,
static function ( $update ) {
return 'available' === $update['status'];
}
);
if ( ! $newest ) {
$update_type = $this->get_update_type_str( $assoc_args );
WP_CLI::success( "WP-CLI is at the latest{$update_type}version." );
return;
}
WP_CLI::confirm( sprintf( 'You have version %s. Would you like to update to %s?', WP_CLI_VERSION, $newest['version'] ), $assoc_args );
$download_url = $newest['package_url'];
$md5_url = str_replace( '.phar', '.phar.md5', $download_url );
$sha512_url = str_replace( '.phar', '.phar.sha512', $download_url );
}
WP_CLI::log( sprintf( 'Downloading from %s...', $download_url ) );
$temp = Utils\get_temp_dir() . uniqid( 'wp_', true ) . '.phar';
$headers = [];
$options = [
'timeout' => 600, // 10 minutes ought to be enough for everybody.
'filename' => $temp,
'insecure' => (bool) Utils\get_flag_value( $assoc_args, 'insecure', false ),
];
Utils\http_request( 'GET', $download_url, null, $headers, $options );
unset( $options['filename'] );
$this->validate_hashes( $temp, $sha512_url, $md5_url );
$allow_root = WP_CLI::get_runner()->config['allow-root'] ? '--allow-root' : '';
$php_binary = Utils\get_php_binary();
$process = Process::create( "{$php_binary} $temp --info {$allow_root}" );
$result = $process->run();
if ( 0 !== $result->return_code || false === stripos( $result->stdout, 'WP-CLI version' ) ) {
$multi_line = explode( PHP_EOL, $result->stderr );
WP_CLI::error_multi_line( $multi_line );
WP_CLI::error( 'The downloaded PHAR is broken, try running wp cli update again.' );
}
WP_CLI::log( 'New version works. Proceeding to replace.' );
$mode = fileperms( $old_phar ) & 511;
if ( false === chmod( $temp, $mode ) ) {
WP_CLI::error( sprintf( 'Cannot chmod %s.', $temp ) );
}
class_exists( '\cli\Colors' ); // This autoloads \cli\Colors - after we move the file we no longer have access to this class.
if ( false === rename( $temp, $old_phar ) ) {
WP_CLI::error( sprintf( 'Cannot move %s to %s', $temp, $old_phar ) );
}
if ( Utils\get_flag_value( $assoc_args, 'nightly', false ) ) {
$updated_version = 'the latest nightly release';
} elseif ( Utils\get_flag_value( $assoc_args, 'stable', false ) ) {
$updated_version = 'the latest stable release';
} else {
$updated_version = isset( $newest['version'] ) ? $newest['version'] : '<not provided>';
}
WP_CLI::success( sprintf( 'Updated WP-CLI to %s.', $updated_version ) );
}
/**
* @param string $file Release file path.
* @param string $sha512_url URL to sha512 hash.
* @param string $md5_url URL to md5 hash.
*
* @return void
* @throws \WP_CLI\ExitException
*/
private function validate_hashes( $file, $sha512_url, $md5_url ) {
$algos = [
'sha512' => $sha512_url,
'md5' => $md5_url,
];
foreach ( $algos as $algo => $url ) {
$response = Utils\http_request( 'GET', $url );
if ( '20' !== substr( $response->status_code, 0, 2 ) ) {
WP_CLI::log( "Couldn't access $algo hash for release (HTTP code {$response->status_code})." );
continue;
}
$file_hash = hash_file( $algo, $file );
$release_hash = trim( $response->body );
if ( $file_hash === $release_hash ) {
WP_CLI::log( "$algo hash verified: $release_hash" );
return;
} else {
WP_CLI::error( "$algo hash for download ($file_hash) is different than the release hash ($release_hash)." );
}
}
WP_CLI::error( 'Release hash verification failed.' );
}
/**
* Returns update information.
*/
private function get_updates( $assoc_args ) {
$url = 'https://api.github.com/repos/wp-cli/wp-cli/releases?per_page=100';
$options = [
'timeout' => 30,
'insecure' => (bool) Utils\get_flag_value( $assoc_args, 'insecure', false ),
];
$headers = [
'Accept' => 'application/json',
];
$github_token = getenv( 'GITHUB_TOKEN' );
if ( false !== $github_token ) {
$headers['Authorization'] = 'token ' . $github_token;
}
$response = Utils\http_request( 'GET', $url, null, $headers, $options );
if ( ! $response->success || 200 !== $response->status_code ) {
WP_CLI::error( sprintf( 'Failed to get latest version (HTTP code %d).', $response->status_code ) );
}
$release_data = json_decode( $response->body );
$updates = [
'major' => false,
'minor' => false,
'patch' => false,
];
$updates_unavailable = [];
foreach ( $release_data as $release ) {
// Get rid of leading "v" if there is one set.
$release_version = $release->tag_name;
if ( 'v' === substr( $release_version, 0, 1 ) ) {
$release_version = ltrim( $release_version, 'v' );
}
$update_type = Utils\get_named_sem_ver( $release_version, WP_CLI_VERSION );
if ( ! $update_type ) {
continue;
}
// Release is older than one we already have on file.
if ( ! empty( $updates[ $update_type ] ) && ! Comparator::greaterThan( $release_version, $updates[ $update_type ]['version'] ) ) {
continue;
}
$package_url = null;
$manifest_data = null;
foreach ( $release->assets as $asset ) {
if ( ! isset( $asset->browser_download_url ) ) {
continue;
}
if ( substr( $asset->browser_download_url, - strlen( '.phar' ) ) === '.phar' ) {
$package_url = $asset->browser_download_url;
}
// The manifest.json file, if it exists, contains information about PHP version requirements and similar.
if ( substr( $asset->browser_download_url, - strlen( 'manifest.json' ) ) === 'manifest.json' ) {
$response = Utils\http_request( 'GET', $asset->browser_download_url, null, $headers, $options );
if ( $response->success ) {
$manifest_data = json_decode( $response->body );
}
}
}
if ( ! $package_url ) {
continue;
}
// Release requires a newer version of PHP.
if (
isset( $manifest_data->requires_php ) &&
! Comparator::greaterThanOrEqualTo( PHP_VERSION, $manifest_data->requires_php )
) {
$updates_unavailable[] = [
'version' => $release_version,
'update_type' => $update_type,
'package_url' => $release->assets[0]->browser_download_url,
'status' => 'unavailable',
'requires_php' => $manifest_data->requires_php,
];
} else {
$updates[ $update_type ] = [
'version' => $release_version,
'update_type' => $update_type,
'package_url' => $release->assets[0]->browser_download_url,
'status' => 'available',
'requires_php' => isset( $manifest_data->requires_php ) ? $manifest_data->requires_php : '',
];
}
}
foreach ( $updates as $type => $value ) {
if ( empty( $value ) ) {
unset( $updates[ $type ] );
}
}
foreach ( [ 'major', 'minor', 'patch' ] as $type ) {
if ( true === Utils\get_flag_value( $assoc_args, $type ) ) {
return ! empty( $updates[ $type ] ) ? [ $updates[ $type ] ] : false;
}
}
if ( empty( $updates ) && preg_match( '#-alpha-(.+)$#', WP_CLI_VERSION, $matches ) ) {
$version_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/NIGHTLY_VERSION';
$response = Utils\http_request( 'GET', $version_url, null, [], $options );
if ( ! $response->success || 200 !== $response->status_code ) {
WP_CLI::error( sprintf( 'Failed to get current nightly version (HTTP code %d)', $response->status_code ) );
}
$nightly_version = trim( $response->body );
if ( WP_CLI_VERSION !== $nightly_version ) {
$manifest_data = null;
// The manifest.json file, if it exists, contains information about PHP version requirements and similar.
$response = Utils\http_request( 'GET', 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.manifest.json', null, $headers, $options );
if ( $response->success ) {
$manifest_data = json_decode( $response->body );
}
// Release requires a newer version of PHP.
if (
isset( $manifest_data->requires_php ) &&
! Comparator::greaterThanOrEqualTo( PHP_VERSION, $manifest_data->requires_php )
) {
$updates_unavailable[] = [
'version' => $nightly_version,
'update_type' => 'nightly',
'package_url' => 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar',
'status' => 'unvailable',
'requires_php' => $manifest_data->requires_php,
];
} else {
$updates['nightly'] = [
'version' => $nightly_version,
'update_type' => 'nightly',
'package_url' => 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar',
'status' => 'available',
'requires_php' => isset( $manifest_data->requires_php ) ? $manifest_data->requires_php : '',
];
}
}
}
return array_merge( $updates_unavailable, array_values( $updates ) );
}
/**
* Returns the the first element of the passed array for which the
* callback returns true.
*
* Polyfill for the `array_find()` function introduced in PHP 8.3.
*
* @param array $arr Array to search.
* @param callable $callback The callback function for each element in the array.
* @return mixed First array element for which the callback returns true, null otherwise.
*/
private function array_find( $arr, $callback ) {
if ( function_exists( '\array_find' ) ) {
// phpcs:ignore PHPCompatibility.FunctionUse.NewFunctions.array_findFound
return \array_find( $arr, $callback );
}
foreach ( $arr as $key => $value ) {
if ( $callback( $value, $key ) ) {
return $value;
}
}
return null;
}
/**
* Dumps the list of global parameters, as JSON or in var_export format.
*
* ## OPTIONS
*
* [--with-values]
* : Display current values also.
*
* [--format=<format>]
* : Render output in a particular format.
* ---
* default: json
* options:
* - var_export
* - json
* ---
*
* ## EXAMPLES
*
* # Dump the list of global parameters.
* $ wp cli param-dump --format=var_export
* array (
* 'path' =>
* array (
* 'runtime' => '=<path>',
* 'file' => '<path>',
* 'synopsis' => '',
* 'default' => NULL,
* 'multiple' => false,
* 'desc' => 'Path to the WordPress files.',
* ),
* 'url' =>
* array (
*
* @subcommand param-dump
*/
public function param_dump( $_, $assoc_args ) {
$spec = WP_CLI::get_configurator()->get_spec();
if ( Utils\get_flag_value( $assoc_args, 'with-values' ) ) {
$config = WP_CLI::get_configurator()->to_array();
// Copy current config values to $spec.
foreach ( $spec as $key => $value ) {
$current = null;
if ( isset( $config[0][ $key ] ) ) {
$current = $config[0][ $key ];
}
$spec[ $key ]['current'] = $current;
}
}
if ( 'var_export' === Utils\get_flag_value( $assoc_args, 'format' ) ) {
var_export( $spec );
} else {
echo json_encode( $spec );
}
}
/**
* Dumps the list of installed commands, as JSON.
*
* ## EXAMPLES
*
* # Dump the list of installed commands.
* $ wp cli cmd-dump
* {"name":"wp","description":"Manage WordPress through the command-line.","longdesc":"\n\n## GLOBAL PARAMETERS\n\n --path=<path>\n Path to the WordPress files.\n\n --ssh=<ssh>\n Perform operation against a remote server over SSH (or a container using scheme of "docker" or "docker-compose").\n\n --url=<url>\n Pretend request came from given URL. In multisite, this argument is how the target site is specified. \n\n --user=<id|login|email>\n
*
* @subcommand cmd-dump
*/
public function cmd_dump() {
echo json_encode( $this->command_to_array( WP_CLI::get_root_command() ) );
}
/**
* Generates tab completion strings.
*
* ## OPTIONS
*
* --line=<line>
* : The current command line to be executed.
*
* --point=<point>
* : The index to the current cursor position relative to the beginning of the command.
*
* ## EXAMPLES
*
* # Generate tab completion strings.
* $ wp cli completions --line='wp eva' --point=100
* eval
* eval-file
*/
public function completions( $_, $assoc_args ) {
$line = substr( $assoc_args['line'], 0, $assoc_args['point'] );
$compl = new Completions( $line );
$compl->render();
}
/**
* Get a string representing the type of update being checked for.
*/
private function get_update_type_str( $assoc_args ) {
$update_type = ' ';
foreach ( [ 'major', 'minor', 'patch' ] as $type ) {
if ( true === Utils\get_flag_value( $assoc_args, $type ) ) {
$update_type = ' ' . $type . ' ';
break;
}
}
return $update_type;
}
/**
* Detects if a command exists
*
* This commands checks if a command is registered with WP-CLI.
* If the command is found then it returns with exit status 0.
* If the command doesn't exist, then it will exit with status 1.
*
* ## OPTIONS
* <command_name>...
* : The command
*
* ## EXAMPLES
*
* # The "site delete" command is registered.
* $ wp cli has-command "site delete"
* $ echo $?
* 0
*
* # The "foo bar" command is not registered.
* $ wp cli has-command "foo bar"
* $ echo $?
* 1
*
* # Install a WP-CLI package if not already installed
* $ if ! $(wp cli has-command doctor); then wp package install wp-cli/doctor-command; fi
* Installing package wp-cli/doctor-command (dev-main || dev-master || dev-trunk)
* Updating /home/person/.wp-cli/packages/composer.json to require the package...
* Using Composer to install the package...
* ---
* Success: Package installed.
*
* @subcommand has-command
*
* @when after_wp_load
*/
public function has_command( $_, $assoc_args ) {
// If command is input as a string, then explode it into array.
$command = explode( ' ', implode( ' ', $_ ) );
WP_CLI::halt( is_array( WP_CLI::get_runner()->find_command_to_run( $command ) ) ? 0 : 1 );
}
}