/**
* Remove blank lines.
*
* @param string $source
* @param Isolator $isolator
* @return string
*/
protected function normalizeEndings($source, Isolator $isolator)
{
//Step #1, \n only
$source = $isolator->isolatePHP(Strings::normalizeEndings($source));
//Step #2, chunk by lines
$sourceLines = explode("\n", $source);
//Step #3, no blank lines and html comments (will keep conditional commends)
$sourceLines = array_filter($sourceLines, function ($line) {
return trim($line);
});
$source = $isolator->repairPHP(join("\n", $sourceLines));
$isolator->reset();
return $source;
}
/**
* Will restore all existing PHP blocks to their original content.
*
* @param string $source
* @return string
*/
protected function repairPHP($source)
{
if (!$this->isolatePHP) {
return $source;
}
return $this->isolator->repairPHP($source);
}
