delete echo php code example

Example 1: php clear echo

<?php

ob_start();
echo 'a';
print 'b';

// some statement that removes all printed/echoed items
ob_end_clean();

echo 'c';

// the final output is equal to 'c', not 'abc'

?>

Example 2: php clean all output buffers

while ( ob_get_level() ) {
  ob_end_clean();
}