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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Util;
use function array_keys;
use function array_reverse;
use function array_shift;
use function defined;
use function get_defined_constants;
use function get_included_files;
use function in_array;
use function ini_get_all;
use function is_array;
use function is_file;
use function is_scalar;
use function preg_match;
use function serialize;
use function sprintf;
use function strpos;
use function strtr;
use function substr;
use function var_export;
use Closure;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class GlobalState
{
/**
* @var string[]
*/
private const SUPER_GLOBAL_ARRAYS = [
'_ENV',
'_POST',
'_GET',
'_COOKIE',
'_SERVER',
'_FILES',
'_REQUEST',
];
/**
* @throws Exception
*/
public static function getIncludedFilesAsString(): string
{
return self::processIncludedFilesAsString(get_included_files());
}
/**
* @param string[] $files
*
* @throws Exception
*/
public static function processIncludedFilesAsString(array $files): string
{
$excludeList = new ExcludeList;
$prefix = false;
$result = '';
if (defined('__PHPUNIT_PHAR__')) {
$prefix = 'phar://' . __PHPUNIT_PHAR__ . '/';
}
// Do not process bootstrap script
array_shift($files);
// If bootstrap script was a Composer bin proxy, skip the second entry as well
if (substr(strtr($files[0], '\\', '/'), -24) === '/phpunit/phpunit/phpunit') {
array_shift($files);
}
foreach (array_reverse($files) as $file) {
if (!empty($GLOBALS['__PHPUNIT_ISOLATION_EXCLUDE_LIST']) &&
in_array($file, $GLOBALS['__PHPUNIT_ISOLATION_EXCLUDE_LIST'], true)) {
continue;
}
if ($prefix !== false && strpos($file, $prefix) === 0) {
continue;
}
// Skip virtual file system protocols
if (preg_match('/^(vfs|phpvfs[a-z0-9]+):/', $file)) {
continue;
}
if (!$excludeList->isExcluded($file) && is_file($file)) {
$result = 'require_once \'' . $file . "';\n" . $result;
}
}
return $result;
}
public static function getIniSettingsAsString(): string
{
$result = '';
foreach (ini_get_all(null, false) as $key => $value) {
$result .= sprintf(
'@ini_set(%s, %s);' . "\n",
self::exportVariable($key),
self::exportVariable((string) $value)
);
}
return $result;
}
public static function getConstantsAsString(): string
{
$constants = get_defined_constants(true);
$result = '';
if (isset($constants['user'])) {
foreach ($constants['user'] as $name => $value) {
$result .= sprintf(
'if (!defined(\'%s\')) define(\'%s\', %s);' . "\n",
$name,
$name,
self::exportVariable($value)
);
}
}
return $result;
}
public static function getGlobalsAsString(): string
{
$result = '';
foreach (self::SUPER_GLOBAL_ARRAYS as $superGlobalArray) {
if (isset($GLOBALS[$superGlobalArray]) && is_array($GLOBALS[$superGlobalArray])) {
foreach (array_keys($GLOBALS[$superGlobalArray]) as $key) {
if ($GLOBALS[$superGlobalArray][$key] instanceof Closure) {
continue;
}
$result .= sprintf(
'$GLOBALS[\'%s\'][\'%s\'] = %s;' . "\n",
$superGlobalArray,
$key,
self::exportVariable($GLOBALS[$superGlobalArray][$key])
);
}
}
}
$excludeList = self::SUPER_GLOBAL_ARRAYS;
$excludeList[] = 'GLOBALS';
foreach (array_keys($GLOBALS) as $key) {
if (!$GLOBALS[$key] instanceof Closure && !in_array($key, $excludeList, true)) {
$result .= sprintf(
'$GLOBALS[\'%s\'] = %s;' . "\n",
$key,
self::exportVariable($GLOBALS[$key])
);
}
}
return $result;
}
private static function exportVariable($variable): string
{
if (is_scalar($variable) || $variable === null ||
(is_array($variable) && self::arrayOnlyContainsScalars($variable))) {
return var_export($variable, true);
}
return 'unserialize(' . var_export(serialize($variable), true) . ')';
}
private static function arrayOnlyContainsScalars(array $array): bool
{
$result = true;
foreach ($array as $element) {
if (is_array($element)) {
$result = self::arrayOnlyContainsScalars($element);
} elseif (!is_scalar($element) && $element !== null) {
$result = false;
}
if (!$result) {
break;
}
}
return $result;
}
}
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