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#!/usr/bin/env php<?php/** This file is part of Psy Shell.** (c) 2012-2023 Justin Hileman** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/// Try to find an autoloader for a local psysh version.// We'll wrap this whole mess in a Closure so it doesn't leak any globals.call_user_func(function () {$cwd = null;// Find the cwd arg (if present)$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();foreach ($argv as $i => $arg) {if ($arg === '--cwd') {if ($i >= count($argv) - 1) {fwrite(STDERR, 'Missing --cwd argument.' . PHP_EOL);exit(1);}$cwd = $argv[$i + 1];break;}if (preg_match('/^--cwd=/', $arg)) {$cwd = substr($arg, 6);break;}}// Or fall back to the actual cwdif (!isset($cwd)) {$cwd = getcwd();}$cwd = str_replace('\\', '/', $cwd);$chunks = explode('/', $cwd);while (!empty($chunks)) {$path = implode('/', $chunks);$prettyPath = $path;if (isset($_SERVER['HOME']) && $_SERVER['HOME']) {$prettyPath = preg_replace('/^' . preg_quote($_SERVER['HOME'], '/') . '/', '~', $path);}// Find composer.jsonif (is_file($path . '/composer.json')) {if ($cfg = json_decode(file_get_contents($path . '/composer.json'), true)) {if (isset($cfg['name']) && $cfg['name'] === 'psy/psysh') {// We're inside the psysh project. Let's use the local Composer autoload.if (is_file($path . '/vendor/autoload.php')) {if (realpath($path) !== realpath(__DIR__ . '/..')) {fwrite(STDERR, 'Using local PsySH version at ' . $prettyPath . PHP_EOL);}require $path . '/vendor/autoload.php';}return;}}}// Or a composer.lockif (is_file($path . '/composer.lock')) {if ($cfg = json_decode(file_get_contents($path . '/composer.lock'), true)) {foreach (array_merge($cfg['packages'], $cfg['packages-dev']) as $pkg) {if (isset($pkg['name']) && $pkg['name'] === 'psy/psysh') {// We're inside a project which requires psysh. We'll use the local Composer autoload.if (is_file($path . '/vendor/autoload.php')) {if (realpath($path . '/vendor') !== realpath(__DIR__ . '/../../..')) {fwrite(STDERR, 'Using local PsySH version at ' . $prettyPath . PHP_EOL);}require $path . '/vendor/autoload.php';}return;}}}}array_pop($chunks);}});// We didn't find an autoloader for a local version, so use the autoloader that// came with this script.if (!class_exists('Psy\Shell')) {/* <<< */if (is_file(__DIR__ . '/../vendor/autoload.php')) {require __DIR__ . '/../vendor/autoload.php';} elseif (is_file(__DIR__ . '/../../../autoload.php')) {require __DIR__ . '/../../../autoload.php';} else {fwrite(STDERR, 'PsySH dependencies not found, be sure to run `composer install`.' . PHP_EOL);fwrite(STDERR, 'See https://getcomposer.org to get Composer.' . PHP_EOL);exit(1);}/* >>> */}// If the psysh binary was included directly, assume they just wanted an// autoloader and bail early.//// Keep this PHP 5.3 and 5.4 code around for a while in case someone is using a// globally installed psysh as a bin launcher for older local versions.if (version_compare(PHP_VERSION, '5.3.6', '<')) {$trace = debug_backtrace();} elseif (version_compare(PHP_VERSION, '5.4.0', '<')) {$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);} else {$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);}if (Psy\Shell::isIncluded($trace)) {unset($trace);return;}// Clean up after ourselves.unset($trace);// If the local version is too old, we can't do thisif (!function_exists('Psy\bin')) {$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();$first = array_shift($argv);if (preg_match('/php(\.exe)?$/', $first)) {array_shift($argv);}array_unshift($argv, 'vendor/bin/psysh');fwrite(STDERR, 'A local PsySH dependency was found, but it cannot be loaded. Please update to' . PHP_EOL);fwrite(STDERR, 'the latest version, or run the local copy directly, e.g.:' . PHP_EOL);fwrite(STDERR, PHP_EOL);fwrite(STDERR, ' ' . implode(' ', $argv) . PHP_EOL);exit(1);}// And go!call_user_func(Psy\bin());