There are many methods have to find out difference between two dates in php. A perfect method is using diff() function.
Adding an element to PHP array and removing an element from php array is very simple. PHP has in-built function to perform this. A function array_push() is used to add an element to PHP array
Simple function to convert numbers to words using php, this function is capable to convert upto 9 digits
Simple php function for converting datetime format to Time Ago format in php
