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<?php /* * This file is part of the GlobalState package. * * (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 SebastianBergmann\GlobalState;
/** * Exports parts of a Snapshot as PHP code. */ class CodeExporter { /** * @param Snapshot $snapshot * @return string */ public function constants(Snapshot $snapshot) { $result = '';
foreach ($snapshot->constants() as $name => $value) { $result .= sprintf( 'if (!defined(\'%s\')) define(\'%s\', %s);' . "\n", $name, $name, $this->exportVariable($value) ); }
return $result; }
/** * @param Snapshot $snapshot * @return string */ public function iniSettings(Snapshot $snapshot) { $result = '';
foreach ($snapshot->iniSettings() as $key => $value) { $result .= sprintf( '@ini_set(%s, %s);' . "\n", $this->exportVariable($key), $this->exportVariable($value) ); }
return $result; }
/** * @param mixed $variable * @return string */ private function exportVariable($variable) { if (is_scalar($variable) || is_null($variable) || (is_array($variable) && $this->arrayOnlyContainsScalars($variable))) { return var_export($variable, true); }
return 'unserialize(' . var_export(serialize($variable), true) . ')'; }
/** * @param array $array * @return bool */ private function arrayOnlyContainsScalars(array $array) { $result = true;
foreach ($array as $element) { if (is_array($element)) { $result = self::arrayOnlyContainsScalars($element); } elseif (!is_scalar($element) && !is_null($element)) { $result = false; }
if ($result === false) { break; } }
return $result; } }
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