(PHP 4, PHP 5, PHP 7)
PHP 锟结供锟斤拷一些锟斤拷锟教匡拷锟狡碉拷锟斤拷锟斤拷锓拷锟斤拷锟斤拷锟� if锟斤拷while锟斤拷for锟斤拷foreach 锟斤拷 switch锟斤拷锟斤拷锟斤拷锓拷幕锟斤拷锟斤拷锟绞斤拷前锟斤拷锟斤拷锟斤拷牛锟絳锟斤拷锟斤拷锟斤拷冒锟脚ｏ拷:锟斤拷锟斤拷锟斤拷锟揭伙拷锟斤拷锟脚ｏ拷}锟斤拷锟街别换筹拷 endif;锟斤拷endwhile;锟斤拷endfor;锟斤拷endforeach; 锟皆硷拷 endswitch;锟斤拷
<?php if ($a == 5): ?>
A is equal to 5
<?php endif; ?>
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锟斤拷锟斤拷锓ㄍ拷锟斤拷锟斤拷锟斤拷锟斤拷锟� else 锟斤拷 elseif 锟叫★拷锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷 elseif 锟斤拷 else 锟斤拷 if 锟结构锟斤拷锟斤拷锟斤拷锓拷锟绞叫达拷锟斤拷锟斤拷樱锟�
<?php
if ($a == 5):
echo "a equals 5";
echo "...";
elseif ($a == 6):
echo "a equals 6";
echo "!!!";
else:
echo "a is neither 5 nor 6";
endif;
?>
Note:
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switch 锟酵碉拷一锟斤拷 case 之锟斤拷锟斤拷魏锟斤拷锟斤拷锟斤拷锟斤拷锟秸格）斤拷锟斤拷锟斤拷锟斤法锟斤拷锟斤拷锟斤拷锟界，锟斤拷锟斤拷锟斤拷锟斤拷效锟侥ｏ拷
<?php switch ($foo): ?>
<?php case 1: ?>
...
<?php endswitch ?>
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<?php switch ($foo): ?>
<?php case 1: ?>
...
<?php endswitch ?>