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PHP if...else 语句
tryphp_if_elseif
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<!DOCTYPE html> <html> <body> <?php $t = date("H"); echo "<p>The hour (of the server) is " . $t; echo ", and will give the following message:</p>"; if ($t < "10") { echo "Have a good morning!"; } elseif ($t < "20") { echo "Have a good day!"; } else { echo "Have a good night!"; } ?> </body> </html>
The hour (of the server) is 04, and will give the following message:
Have a good morning!