for loop is used when you know in advance how many times the script should run.
Syntax for (init counter; test counter; increment counter) { code to be executed for each iteration; } Parameters:
init counter: Initialize the loop counter value
test counter: Evaluated for each loop iteration. If it evaluates to TRUE, the loop continues. If it evaluates to FALSE, the loop ends.
increment counter: Increases the loop counter value
<?php for ($k = 0; $k <= 10; $k++) { echo "Number is: $k <br>"; } ?>