‰PNG  IHDRôxÔúsBIT|dˆ pHYsÄÄ•+tEXtSoftwarewww.inkscape.org›î<,àtEXtComment mnemonicToEntropy($mnemonic); // If no exception is thrown, the mnemonic is valid return true; } catch (\Exception $e) { // If an exception is thrown, the mnemonic is invalid return false; } } }