http://excelpx.com/?810819
已有 425 次阅读2016-5-19 17:32
<?php
$x=10;
echo ++$x; // 输出 11
$y=10;
echo $y++; // 输出 10
$z=5;
echo --$z; // 输出 4
$i=5;
echo $i--; // 输出 5 ?>
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