Progress bar sample code implemented in php

The progress bar is when the computer is processing a task, it displays the speed of processing the task, the degree of completion, the size of the remaining unfinished tasks, and the possible processing time in the form of pictures in real time. It is usually displayed in a rectangular bar shape. This article mainly introduces the progress bar effect implemented by PHP. It analyzes the function of PHP and JavaScript to dynamically display the percentage progress bar in the form of examples. It involves PHP caching, mathematical operations and JavaScript page element dynamic operation related skills. Friends in need can refer to it.The details are as follows:

       
  
 
 
 
 
 
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