<?php $var = 1; function test1() { $var = 2; echo $var . "<br />"; } test1(); echo $var . "<br />"; echo "<hr />"; $var = 1; function test2() { global $var; $var = 2; echo $var . "<br />"; } test2(); echo $var . "<br />"; echo "<hr />"; $var = 1; function test3() { static $var = 2; echo $var . "<br />"; $var++; } test3(); test3(); test3(); echo $var . "<br />"; ?>
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