嗨,在一个变量中有一些代码,在Ben Rowe的帮助下,我意识到我需要连接字符串,现在我似乎无法解决以下问题。。。在变量中包含if和else。我有下面的代码,IF/ELSE不起作用,如果有人能帮忙,我将不胜感激。
<?php if (!$logged) { ?>
<div id="payment-address">
<div class="checkout-heading"><span>'.$text_checkout_account.'</span></div>
<div class="checkout-content"></div>
</div>
<?php } else { ?>
<div id="payment-address">
<div class="checkout-heading"><span>'.$text_checkout_payment_address.'</span></div>
<div class="checkout-content"></div>
</div>
<?php } ?>
<?php if ($shipping_required) { ?>
<div id="shipping-address">
<div class="checkout-heading">'.$text_checkout_shipping_address.'</div>
<div class="checkout-content"></div>
</div>
<div id="shipping-method">
<div class="checkout-heading">'.$text_checkout_shipping_method.'</div>
<div class="checkout-content"></div>
</div>
<?php } ?>
<div id="payment-method">
<div class="checkout-heading">'.$text_checkout_payment_method.'</div>
<div class="checkout-content"></div>
</div>
<div id="confirm">
<div class="checkout-heading">'.$text_checkout_confirm.'</div>
<div class="checkout-content"></div>
</div>
我尝试剥离PHP标记,但没有效果,我还尝试在下面的代码之前关闭PHP,然后再次打开它,但仍然没有结果:(
这样使用它-
<div class="checkout-heading"><span><?php echo $text_checkout_account ?></span></div>
或html+php-
<?php
echo '<div class="checkout-heading"><span>'.$text_checkout_account.'</span></div>';
您不能在标记之外使用php变量。如果您需要一个变量,您必须使用php标记,并回显该值。这样做:
<?php if (!$logged) { ?>
<div id="payment-address">
<div class="checkout-heading"><span><?php echo $text_checkout_account ?></span></div>
<div class="checkout-content"></div>
</div>
<?php } else { ?>
<div id="payment-address">
<div class="checkout-heading"><span><?php echo $text_checkout_payment_address ?></span></div>
<div class="checkout-content"></div>
</div>
<?php } ?>
如果你想把PHP变量的内容放在HTML中,你必须使用:
<div class="checkout-heading"><span><?php echo $text_checkout_account; ?></span></div>
你也可以用以短的方式完成
<div class="checkout-heading"><span><?=$text_checkout_account; ?></span></div>
重要提示:第二个示例需要激活短标签。由于PHP 5.4.0
,它在默认情况下可用。
参考:http://www.php.net/manual/en/ini.core.php#ini.short-open-tag
在HTML 中这样做
<div id="payment-address">
<div class="checkout-heading">
<span>
<?php echo $logged ? $text_checkout_payment_address : $text_checkout_account?>
</span>
</div>
<div class="checkout-content"></div>
</div>
如果您对echo
感到困惑,请阅读三元运算符
您可以尝试三元运算符,如下所示:
<div id="payment-address">
<div class="checkout-heading"><span><? echo ($logged?$text_checkout_payment_address:$text_checkout_account); ?></span></div>
<div class="checkout-content"></div>
</div>