How to use array_filter() function in php ?
The array_filter() function use to filters the elements of an array using a callback function. This function accepts two parameters and one flag. The first parameter is required which is to be an array
What is usort() function in php & how to use it ?
The usort() function sort an array by values using a user-defined comparison function. It accepts two parameters, the first parameter
How to use array_diff (ar1, ar2 …) function in php
The array_diff() function compares ar1 against one or more other arrays and returns the values in ar2 that are not
array_push (arrName, varName) function in php
array_push() function use an array as a stack, and it pushes the passed variables at the end of the array.