title: display random images without repetition
body: <p>My name is Shruti.I'm new to php. I have a program which displays images randomly, there are about 200 images in my program.I want to display the random images with out repetition, can any one please help with this. here is my code.</p>
  
  <p>Appreciate your help</p>
  
  <p>Thank you.</p>