<?php

echo "<BR><HR><BR>\n";

echo "Outside of a used defined function, php variable1 = $variable1 <BR><BR>\n";

echo "Outside of a used defined function, php variable2 = $GLOBALS[variable2] <BR><BR>\n";

echo "Outside of a used defined function, php variable3 = $variable3 <BR><BR>\n";

echo "Outside of a used defined function, php variable4 = $variable4 <BR><BR>\n";

echo "Outside of a used defined function, php variable5 = $variable5 <BR><BR>\n";

echo "<HR><BR>\n";

function demo8_function2() {

    global $variable3;          // DECLARE $variable3 as globally available
    global $variable4;          // DECLARE $variable4 as globally available
    global $variable5;          // DECLARE $variable5 as globally available

    echo "Inside of the user defined function, php variable1 = $variable1 <BR><BR>\n";

    echo "Inside of the user defined function, php variable2 = $GLOBALS[variable2], since it is in the \$GLOBALS array. <BR><BR>\n";

    echo "Inside of the user defined function, php variable3 = $variable3, but only if defined as global <BR><BR>\n";

    echo "Inside of the user defined function, php variable4 = $variable4 <BR><BR>\n";

    echo "Inside of the user defined function, php variable5 = $variable5, but only if defined as global here and in demo8_function1() <BR
><BR>\n";

    echo "<BR><HR><BR>\n";
}

?>