Online PHP editor | output for Cje2n

<?php $var = 'ABCDEFGH:/MNRPQR/'; echo "Original: $var<hr />\n"; /* These two examples replace all of $var with 'bob'. */ echo substr_replace($var, 'bob', 0) . " \n"; echo substr_replace($var, 'bob', 0, strlen($var)) . " \n"; /* Insert 'bob' right at the beginning of $var. */ echo substr_replace($var, 'bob', 0, 0) . " \n"; /* These next two replace 'MNRPQR' in $var with 'bob'. */ echo substr_replace($var, 'bob', 10, -1) . " \n"; echo substr_replace($var, 'bob', -7, -1) . " \n"; /* Delete 'MNRPQR' from $var. */ echo substr_replace($var, '******', 10, -1) . " \n";