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#!/usr/bin/env php
<?php
/*
* This file is part of Psy Shell.
*
* (c) 2012-2026 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;
$cwdFromArg = false;
$forceTrust = false;
$forceUntrust = false;
// 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];
$cwdFromArg = true;
continue;
}
if (preg_match('/^--cwd=/', $arg)) {
$cwd = substr($arg, 6);
$cwdFromArg = true;
continue;
}
if ($arg === '--trust-project') {
$forceTrust = true;
$forceUntrust = false;
} elseif ($arg === '--no-trust-project') {
$forceUntrust = true;
$forceTrust = false;
}
}
if ($cwdFromArg) {
if (!@chdir($cwd)) {
fwrite(STDERR, 'Invalid --cwd directory: ' . $cwd . PHP_EOL);
exit(1);
}
}
// Fall back to the actual cwd, or normalize the path after chdir
if (!isset($cwd) || $cwdFromArg) {
$cwd = getcwd();
}
$cwd = str_replace('\\', '/', $cwd);
if ($cwdFromArg) {
$filtered = array();
$skipNext = false;
foreach ($argv as $arg) {
if ($skipNext) {
$skipNext = false;
continue;
}
if ($arg === '--cwd') {
$skipNext = true;
continue;
}
if (preg_match('/^--cwd=/', $arg)) {
continue;
}
$filtered[] = $arg;
}
$_SERVER['argv'] = $filtered;
$_SERVER['argc'] = count($filtered);
$argv = $filtered;
}
if (isset($_SERVER['PSYSH_TRUST_PROJECT']) && $_SERVER['PSYSH_TRUST_PROJECT'] !== '') {
$mode = strtolower(trim($_SERVER['PSYSH_TRUST_PROJECT']));
if (in_array($mode, array('true', '1'))) {
$forceTrust = true;
$forceUntrust = false;
} elseif (in_array($mode, array('false', '0'))) {
$forceUntrust = true;
$forceTrust = false;
} else {
fwrite(STDERR, 'Invalid PSYSH_TRUST_PROJECT value: ' . $_SERVER['PSYSH_TRUST_PROJECT'] . '. Expected: true, 1, false, or 0.' . PHP_EOL);
exit(1);
}
}
// Pass trust decision via env var and strip CLI flags. This allows a local
// psysh version to read the trust state while avoiding errors on older
// versions that don't understand --trust-project flags.
if ($forceTrust) {
$_SERVER['PSYSH_TRUST_PROJECT'] = 'true';
$_ENV['PSYSH_TRUST_PROJECT'] = 'true';
putenv('PSYSH_TRUST_PROJECT=true');
} elseif ($forceUntrust) {
$_SERVER['PSYSH_TRUST_PROJECT'] = 'false';
$_ENV['PSYSH_TRUST_PROJECT'] = 'false';
putenv('PSYSH_TRUST_PROJECT=false');
}
if ($forceTrust || $forceUntrust) {
$filtered = array();
foreach ($argv as $arg) {
if ($arg === '--trust-project' || $arg === '--no-trust-project') {
continue;
}
$filtered[] = $arg;
}
$_SERVER['argv'] = $filtered;
$_SERVER['argc'] = count($filtered);
$argv = $filtered;
}
$trustedRoots = array();
if (!$forceTrust) {
// Find the current config directory (matching ConfigPaths logic)
$currentConfigDir = null;
$fallbackConfigDir = null;
// Windows: %APPDATA%/PsySH takes priority
if ($currentConfigDir === null && defined('PHP_WINDOWS_VERSION_MAJOR')) {
if (isset($_SERVER['APPDATA']) && $_SERVER['APPDATA']) {
$dir = str_replace('\\', '/', $_SERVER['APPDATA']).'/PsySH';
$fallbackConfigDir = $fallbackConfigDir !== null ? $fallbackConfigDir : $dir;
if (@is_dir($dir)) {
$currentConfigDir = $dir;
}
}
}
// XDG_CONFIG_HOME/psysh
if ($currentConfigDir === null && isset($_SERVER['XDG_CONFIG_HOME']) && $_SERVER['XDG_CONFIG_HOME']) {
$dir = rtrim(str_replace('\\', '/', $_SERVER['XDG_CONFIG_HOME']), '/').'/psysh';
$fallbackConfigDir = $fallbackConfigDir !== null ? $fallbackConfigDir : $dir;
if (@is_dir($dir)) {
$currentConfigDir = $dir;
}
}
// HOME/.config/psysh (default XDG location)
if ($currentConfigDir === null && isset($_SERVER['HOME']) && $_SERVER['HOME']) {
$home = rtrim(str_replace('\\', '/', $_SERVER['HOME']), '/');
$dir = $home.'/.config/psysh';
$fallbackConfigDir = $fallbackConfigDir !== null ? $fallbackConfigDir : $dir;
if (@is_dir($dir)) {
$currentConfigDir = $dir;
}
// legacy
if ($currentConfigDir === null) {
$dir = $home.'/.psysh';
if (@is_dir($dir)) {
$currentConfigDir = $dir;
}
}
}
// Windows: HOMEDRIVE/HOMEPATH fallback
if ($currentConfigDir === null && defined('PHP_WINDOWS_VERSION_MAJOR')) {
if (isset($_SERVER['HOMEDRIVE']) && isset($_SERVER['HOMEPATH']) && $_SERVER['HOMEDRIVE'] && $_SERVER['HOMEPATH']) {
$dir = rtrim(str_replace('\\', '/', $_SERVER['HOMEDRIVE'].'/'.$_SERVER['HOMEPATH']), '/').'/.psysh';
if (@is_dir($dir)) {
$currentConfigDir = $dir;
}
}
}
// Fall back to the first candidate directory if none exist yet
if ($currentConfigDir === null) {
$currentConfigDir = $fallbackConfigDir;
}
if ($currentConfigDir !== null) {
$trustFile = $currentConfigDir.'/trusted_projects.json';
if (is_file($trustFile)) {
$contents = file_get_contents($trustFile);
if ($contents !== false && $contents !== '') {
$data = json_decode($contents, true);
if (is_array($data)) {
foreach ($data as $dir) {
if (!is_string($dir) || $dir === '') {
continue;
}
$real = realpath($dir);
if ($real !== false) {
$dir = $real;
}
$trustedRoots[] = str_replace('\\', '/', $dir);
}
}
}
}
}
}
// Composer-generated bin proxies expose `_composer_autoload_path`, which points
// at the autoloader for the *current* project invoking `vendor/bin/psysh`.
// We use this to distinguish "already running via this project's local psysh"
// from "global psysh trying to hop into some other project's local psysh".
$proxyAutoloadPath = null;
if (isset($GLOBALS['_composer_autoload_path'])
&& is_string($GLOBALS['_composer_autoload_path'])
&& $GLOBALS['_composer_autoload_path'] !== ''
) {
$proxyAutoloadPath = realpath($GLOBALS['_composer_autoload_path']);
if ($proxyAutoloadPath === false) {
$proxyAutoloadPath = str_replace('\\', '/', $GLOBALS['_composer_autoload_path']);
} else {
$proxyAutoloadPath = str_replace('\\', '/', $proxyAutoloadPath);
}
}
$isCurrentProjectAutoload = function ($projectPath) use ($proxyAutoloadPath) {
if ($proxyAutoloadPath === null) {
return false;
}
$projectAutoloadPath = realpath($projectPath.'/vendor/autoload.php');
if ($projectAutoloadPath === false) {
return false;
}
return str_replace('\\', '/', $projectAutoloadPath) === $proxyAutoloadPath;
};
$markUntrustedProject = function ($projectPath, $prettyPath) {
fwrite(STDERR, 'Skipping local PsySH at ' . $prettyPath . ' (project is untrusted). Re-run with --trust-project to allow.' . PHP_EOL);
$_SERVER['PSYSH_UNTRUSTED_PROJECT'] = $projectPath;
$_ENV['PSYSH_UNTRUSTED_PROJECT'] = $projectPath;
putenv('PSYSH_UNTRUSTED_PROJECT='.$projectPath);
};
$chunks = explode('/', $cwd);
while (!empty($chunks)) {
$path = implode('/', $chunks);
$prettyPath = $path;
if (isset($_SERVER['HOME']) && $_SERVER['HOME']) {
$prettyPath = preg_replace('/^' . preg_quote($_SERVER['HOME'], '/') . '/', '~', $path);
}
// Find composer.json
if (is_file($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')) {
$realPath = realpath($path);
$realPath = $realPath ? str_replace('\\', '/', $realPath) : $path;
$pathReal = realpath($path);
$binReal = realpath(__DIR__ . '/..');
$isCurrentPsysh = ($pathReal !== false && $pathReal === $binReal) || $isCurrentProjectAutoload($path);
if (!$isCurrentPsysh && !$forceTrust && ($forceUntrust || !in_array($realPath, $trustedRoots, true))) {
$markUntrustedProject($realPath, $prettyPath);
return;
}
if (!$isCurrentPsysh) {
fwrite(STDERR, 'Using local PsySH version at ' . $prettyPath . PHP_EOL);
}
require $path . '/vendor/autoload.php';
}
return;
}
}
}
// Or a composer.lock
if (is_file($path . '/composer.lock')) {
if ($cfg = json_decode(file_get_contents($path . '/composer.lock'), true)) {
$packages = array_merge(isset($cfg['packages']) ? $cfg['packages'] : array(), isset($cfg['packages-dev']) ? $cfg['packages-dev'] : array());
foreach ($packages 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')) {
$realPath = realpath($path);
$realPath = $realPath ? str_replace('\\', '/', $realPath) : $path;
$vendorReal = realpath($path . '/vendor');
$binVendorReal = realpath(__DIR__ . '/../../..');
$isCurrentPsysh = ($vendorReal !== false && $vendorReal === $binVendorReal) || $isCurrentProjectAutoload($path);
if (!$isCurrentPsysh && !$forceTrust && ($forceUntrust || !in_array($realPath, $trustedRoots, true))) {
$markUntrustedProject($realPath, $prettyPath);
return;
}
if (!$isCurrentPsysh) {
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 (PHP_VERSION_ID < 50306) {
$trace = debug_backtrace();
} elseif (PHP_VERSION_ID < 50400) {
$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 this
if (!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());