How to clear previously echoed items in PHP
<?php
ob_start();
echo 'a';
print 'b';
// some statement that removes all printed/echoed items
ob_end_clean(); // this method clears all echos & test prints
echo 'c';
// the final output is equal to 'c', not 'abc'
?>
//s
// https://www.codegrepper.com/code-examples/php/php+clear+echo