PHP Source:
<
!DOCTYPE
html
>
<
html
>
<
body
>
<?php
function
sum($x, $y) {
$z = $x + $y;
return
$z;
}
echo
"5 + 10 = "
. sum(
5
,
10
) .
"<br>"
;
echo
"7 + 13 = "
. sum(
7
,
13
) .
"<br>"
;
echo
"2 + 4 = "
. sum(
2
,
4
);
?>
<
/body
>
<
/html
>
Result:
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