in src/com/jetbrains/php/tools/quality/phpstan/PhpStanOptionsPanel.java [76:84]
public boolean isModified() {
PhpStanOptionsConfiguration configuration = PhpStanOptionsConfiguration.getInstance(myProject);
if (myFullProjectRunJBCheckBox.isSelected() != configuration.isFullProject()) return true;
if (!StringUtil.equals(myMemoryLimitTextField.getText(), configuration.getMemoryLimit())) return true;
if (myJBIntSpinner.getNumber() != configuration.getLevel()) return true;
if (!StringUtil.equals(myConfigPathTextField.getText(), configuration.getConfig())) return true;
if (!StringUtil.equals(myAutoloadPathTextField.getText(), configuration.getAutoload())) return true;
return false;
}