With a large system you might have lots of functions. I have
noticed that this can produce large memory overhead, some of
which can be alleviated by using includes in the following
manner:
e.g.
<?php
function foo() {
//some long block of code here producing $bar
return $bar;
}
?>
can be rewritten as:
<?php
function foo() {
return include "foo.php";
}
?>
where foo.php contains the following:
<?php
//long block of code producing $bar
return $bar;
?>
The result is the function's body does not get loaded into
memory until the function is actually called.
----
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