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323
vendor/psy/psysh/src/Psy/functions.php
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323
vendor/psy/psysh/src/Psy/functions.php
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<?php
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/*
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* This file is part of Psy Shell.
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*
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* (c) 2012-2017 Justin Hileman
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Psy;
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use Psy\VersionUpdater\GitHubChecker;
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use Symfony\Component\Console\Input\ArgvInput;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputDefinition;
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use Symfony\Component\Console\Input\InputOption;
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use XdgBaseDir\Xdg;
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if (!function_exists('Psy\sh')) {
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/**
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* Command to return the eval-able code to startup PsySH.
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*
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* eval(\Psy\sh());
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*
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* @return string
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*/
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function sh()
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{
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return 'extract(\Psy\debug(get_defined_vars(), isset($this) ? $this : null));';
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}
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}
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if (!function_exists('Psy\debug')) {
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/**
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* Invoke a Psy Shell from the current context.
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*
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* For example:
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*
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* foreach ($items as $item) {
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* \Psy\debug(get_defined_vars());
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* }
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*
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* If you would like your shell interaction to affect the state of the
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* current context, you can extract() the values returned from this call:
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*
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* foreach ($items as $item) {
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* extract(\Psy\debug(get_defined_vars()));
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* var_dump($item); // will be whatever you set $item to in Psy Shell
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* }
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*
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* Optionally, supply an object as the `$boundObject` parameter. This
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* determines the value `$this` will have in the shell, and sets up class
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* scope so that private and protected members are accessible:
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*
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* class Foo {
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* function bar() {
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* \Psy\debug(get_defined_vars(), $this);
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* }
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* }
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*
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* This only really works in PHP 5.4+ and HHVM 3.5+, so upgrade already.
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*
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* @param array $vars Scope variables from the calling context (default: array())
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* @param object $boundObject Bound object ($this) value for the shell
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*
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* @return array Scope variables from the debugger session
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*/
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function debug(array $vars = array(), $boundObject = null)
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{
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echo PHP_EOL;
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$sh = new Shell();
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$sh->setScopeVariables($vars);
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// Show a couple of lines of call context for the debug session.
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//
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// @todo come up with a better way of doing this which doesn't involve injecting input :-P
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if ($sh->has('whereami')) {
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$sh->addInput('whereami -n2', true);
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}
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if ($boundObject !== null) {
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$sh->setBoundObject($boundObject);
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}
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$sh->run();
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return $sh->getScopeVariables(false);
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}
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}
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if (!function_exists('Psy\info')) {
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/**
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* Get a bunch of debugging info about the current PsySH environment and
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* configuration.
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*
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* If a Configuration param is passed, that configuration is stored and
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* used for the current shell session, and no debugging info is returned.
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*
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* @param Configuration|null $config
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*
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* @return array|null
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*/
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function info(Configuration $config = null)
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{
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static $lastConfig;
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if ($config !== null) {
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$lastConfig = $config;
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return;
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}
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$xdg = new Xdg();
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$home = rtrim(str_replace('\\', '/', $xdg->getHomeDir()), '/');
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$homePattern = '#^' . preg_quote($home, '#') . '/#';
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$prettyPath = function ($path) use ($homePattern) {
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if (is_string($path)) {
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return preg_replace($homePattern, '~/', $path);
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} else {
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return $path;
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}
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};
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$config = $lastConfig ?: new Configuration();
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$core = array(
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'PsySH version' => Shell::VERSION,
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'PHP version' => PHP_VERSION,
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'default includes' => $config->getDefaultIncludes(),
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'require semicolons' => $config->requireSemicolons(),
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'error logging level' => $config->errorLoggingLevel(),
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'config file' => array(
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'default config file' => $prettyPath($config->getConfigFile()),
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'local config file' => $prettyPath($config->getLocalConfigFile()),
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'PSYSH_CONFIG env' => $prettyPath(getenv('PSYSH_CONFIG')),
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),
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// 'config dir' => $config->getConfigDir(),
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// 'data dir' => $config->getDataDir(),
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// 'runtime dir' => $config->getRuntimeDir(),
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);
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// Use an explicit, fresh update check here, rather than relying on whatever is in $config.
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$checker = new GitHubChecker();
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$updates = array(
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'update available' => !$checker->isLatest(),
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'latest release version' => $checker->getLatest(),
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'update check interval' => $config->getUpdateCheck(),
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'update cache file' => $prettyPath($config->getUpdateCheckCacheFile()),
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);
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if ($config->hasReadline()) {
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$info = readline_info();
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$readline = array(
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'readline available' => true,
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'readline enabled' => $config->useReadline(),
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'readline service' => get_class($config->getReadline()),
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);
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if (isset($info['library_version'])) {
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$readline['readline library'] = $info['library_version'];
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}
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if (isset($info['readline_name']) && $info['readline_name'] !== '') {
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$readline['readline name'] = $info['readline_name'];
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}
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} else {
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$readline = array(
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'readline available' => false,
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);
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}
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$pcntl = array(
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'pcntl available' => function_exists('pcntl_signal'),
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'posix available' => function_exists('posix_getpid'),
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);
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$history = array(
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'history file' => $prettyPath($config->getHistoryFile()),
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'history size' => $config->getHistorySize(),
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'erase duplicates' => $config->getEraseDuplicates(),
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);
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$docs = array(
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'manual db file' => $prettyPath($config->getManualDbFile()),
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'sqlite available' => true,
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);
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try {
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if ($db = $config->getManualDb()) {
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if ($q = $db->query('SELECT * FROM meta;')) {
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$q->setFetchMode(\PDO::FETCH_KEY_PAIR);
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$meta = $q->fetchAll();
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foreach ($meta as $key => $val) {
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switch ($key) {
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case 'built_at':
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$d = new \DateTime('@' . $val);
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$val = $d->format(\DateTime::RFC2822);
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break;
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}
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$key = 'db ' . str_replace('_', ' ', $key);
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$docs[$key] = $val;
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}
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} else {
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$docs['db schema'] = '0.1.0';
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}
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}
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} catch (Exception\RuntimeException $e) {
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if ($e->getMessage() === 'SQLite PDO driver not found') {
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$docs['sqlite available'] = false;
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} else {
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throw $e;
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}
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}
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$autocomplete = array(
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'tab completion enabled' => $config->getTabCompletion(),
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'custom matchers' => array_map('get_class', $config->getTabCompletionMatchers()),
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);
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return array_merge($core, compact('updates', 'pcntl', 'readline', 'history', 'docs', 'autocomplete'));
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}
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}
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if (!function_exists('Psy\bin')) {
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/**
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* `psysh` command line executable.
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*
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* @return Closure
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*/
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function bin()
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{
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return function () {
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$usageException = null;
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$input = new ArgvInput();
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try {
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$input->bind(new InputDefinition(array(
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new InputOption('help', 'h', InputOption::VALUE_NONE),
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new InputOption('config', 'c', InputOption::VALUE_REQUIRED),
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new InputOption('version', 'v', InputOption::VALUE_NONE),
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new InputOption('cwd', null, InputOption::VALUE_REQUIRED),
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new InputOption('color', null, InputOption::VALUE_NONE),
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new InputOption('no-color', null, InputOption::VALUE_NONE),
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new InputArgument('include', InputArgument::IS_ARRAY),
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)));
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} catch (\RuntimeException $e) {
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$usageException = $e;
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}
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$config = array();
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// Handle --config
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if ($configFile = $input->getOption('config')) {
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$config['configFile'] = $configFile;
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}
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// Handle --color and --no-color
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if ($input->getOption('color') && $input->getOption('no-color')) {
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$usageException = new \RuntimeException('Using both "--color" and "--no-color" options is invalid.');
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} elseif ($input->getOption('color')) {
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$config['colorMode'] = Configuration::COLOR_MODE_FORCED;
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} elseif ($input->getOption('no-color')) {
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$config['colorMode'] = Configuration::COLOR_MODE_DISABLED;
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}
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$shell = new Shell(new Configuration($config));
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// Handle --help
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if ($usageException !== null || $input->getOption('help')) {
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if ($usageException !== null) {
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echo $usageException->getMessage() . PHP_EOL . PHP_EOL;
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}
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$version = $shell->getVersion();
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$name = basename(reset($_SERVER['argv']));
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echo <<<EOL
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$version
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Usage:
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$name [--version] [--help] [files...]
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Options:
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--help -h Display this help message.
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--config -c Use an alternate PsySH config file location.
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--cwd Use an alternate working directory.
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--version -v Display the PsySH version.
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--color Force colors in output.
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--no-color Disable colors in output.
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EOL;
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exit($usageException === null ? 0 : 1);
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}
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// Handle --version
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if ($input->getOption('version')) {
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echo $shell->getVersion() . PHP_EOL;
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exit(0);
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}
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// Pass additional arguments to Shell as 'includes'
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$shell->setIncludes($input->getArgument('include'));
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try {
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// And go!
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$shell->run();
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} catch (Exception $e) {
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echo $e->getMessage() . PHP_EOL;
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// @todo this triggers the "exited unexpectedly" logic in the
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// ForkingLoop, so we can't exit(1) after starting the shell...
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// fix this :)
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// exit(1);
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}
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};
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}
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}
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