/**
* Restores a super-global variable array from this snapshot.
*
* @param Snapshot $snapshot
* @param $superGlobalArray
*/
private function restoreSuperGlobalArray(Snapshot $snapshot, $superGlobalArray)
{
$superGlobalVariables = $snapshot->superGlobalVariables();
if (isset($GLOBALS[$superGlobalArray]) && is_array($GLOBALS[$superGlobalArray]) && isset($superGlobalVariables[$superGlobalArray])) {
$keys = array_keys(array_merge($GLOBALS[$superGlobalArray], $superGlobalVariables[$superGlobalArray]));
foreach ($keys as $key) {
if (isset($superGlobalVariables[$superGlobalArray][$key])) {
$GLOBALS[$superGlobalArray][$key] = $superGlobalVariables[$superGlobalArray][$key];
} else {
unset($GLOBALS[$superGlobalArray][$key]);
}
}
}
}
/**
* @param Snapshot $before
* @param Snapshot $after
* @throws PHPUnit_Framework_RiskyTestError
*/
private function compareGlobalStateSnapshots(Snapshot $before, Snapshot $after)
{
$backupGlobals = $this->backupGlobals === null || $this->backupGlobals === true;
if ($backupGlobals) {
$this->compareGlobalStateSnapshotPart($before->globalVariables(), $after->globalVariables(), "--- Global variables before the test\n+++ Global variables after the test\n");
$this->compareGlobalStateSnapshotPart($before->superGlobalVariables(), $after->superGlobalVariables(), "--- Super-global variables before the test\n+++ Super-global variables after the test\n");
}
if ($this->backupStaticAttributes) {
$this->compareGlobalStateSnapshotPart($before->staticAttributes(), $after->staticAttributes(), "--- Static attributes before the test\n+++ Static attributes after the test\n");
}
}
