I have a mp3 file, and a text file which contains the words that speech on mp3. And also i have a srt file corresponding to the mp3. Now I want to display the subtitles for the mp3 using php .I don't have any idea about this. So Please help me for solving this task.
You should solve this with Javascript and not PHP.
Checkout this awesome library. http://captionatorjs.com/, you can insert .SRT file to display as caption/subtitle.