"; $y=20; $y += 100; echo $y; echo "
"; $z=50; $z -= 25; echo $z; echo "
"; $i=5; $i *= 6; echo $i; echo "
"; $j=10; $j /= 5; echo $j; echo "
"; $k=15; $k %= 4; echo $k; echo '
PHP 基础教程 - 简单教程(www.twle.cn)
';