diff options
Diffstat (limited to 'vendor/sebastian/global-state/src/CodeExporter.php')
-rw-r--r-- | vendor/sebastian/global-state/src/CodeExporter.php | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/vendor/sebastian/global-state/src/CodeExporter.php b/vendor/sebastian/global-state/src/CodeExporter.php new file mode 100644 index 000000000..71cdbf504 --- /dev/null +++ b/vendor/sebastian/global-state/src/CodeExporter.php @@ -0,0 +1,109 @@ +<?php declare(strict_types=1); +/* + * This file is part of sebastian/global-state. + * + * (c) Sebastian Bergmann <[email protected]> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ +namespace SebastianBergmann\GlobalState; + +use const PHP_EOL; +use function is_array; +use function is_scalar; +use function serialize; +use function sprintf; +use function var_export; + +/** + * Exports parts of a Snapshot as PHP code. + */ +final class CodeExporter +{ + public function constants(Snapshot $snapshot): string + { + $result = ''; + + foreach ($snapshot->constants() as $name => $value) { + $result .= sprintf( + 'if (!defined(\'%s\')) define(\'%s\', %s);' . "\n", + $name, + $name, + $this->exportVariable($value) + ); + } + + return $result; + } + + public function globalVariables(Snapshot $snapshot): string + { + $result = <<<'EOT' +call_user_func( + function () + { + foreach (array_keys($GLOBALS) as $key) { + unset($GLOBALS[$key]); + } + } +); + + +EOT; + + foreach ($snapshot->globalVariables() as $name => $value) { + $result .= sprintf( + '$GLOBALS[%s] = %s;' . PHP_EOL, + $this->exportVariable($name), + $this->exportVariable($value) + ); + } + + return $result; + } + + public function iniSettings(Snapshot $snapshot): string + { + $result = ''; + + foreach ($snapshot->iniSettings() as $key => $value) { + $result .= sprintf( + '@ini_set(%s, %s);' . "\n", + $this->exportVariable($key), + $this->exportVariable($value) + ); + } + + return $result; + } + + private function exportVariable($variable): string + { + if (is_scalar($variable) || null === $variable || + (is_array($variable) && $this->arrayOnlyContainsScalars($variable))) { + return var_export($variable, true); + } + + return 'unserialize(' . var_export(serialize($variable), true) . ')'; + } + + private function arrayOnlyContainsScalars(array $array): bool + { + $result = true; + + foreach ($array as $element) { + if (is_array($element)) { + $result = $this->arrayOnlyContainsScalars($element); + } elseif (!is_scalar($element) && null !== $element) { + $result = false; + } + + if ($result === false) { + break; + } + } + + return $result; + } +} |