file = r'app\Exports\PanelTestExport.php'
with open(file, 'r', encoding='utf-8', errors='replace') as f:
    lines = f.readlines()

with open('headers_out.txt', 'w', encoding='utf-8') as out:
    for i, line in enumerate(lines):
        if 'question_text' in line or 'qColMap' in line or 'label =' in line or 'setCellValue.*5' in line:
            out.write(f"{i+1}: {line.rstrip()}\n")
print("Done")