如何在if条件中禁用按钮 [英] How to disable button in an if condition

问题描述

如果prod_quantity == 0，我该如何禁用一个按钮？

How do i disable a button if the prod_quantity == 0?

<?php
    $prod_qty = $row['prod_quantity'];

            if ($prod_qty == '0'){
                echo "<h1>sold out</h1>";
            }
?>

这里是我需要禁用的按钮，当prod_qty == 0

and here is the button that i need to be disabled when prod_qty == 0

<input type="button" value="Add to Cart" onclick="addtocart(<?php echo $row["prod_id"]?>)" />

推荐答案

如果 $ prod_qty =='0'类似于code>条件来设置属性为 disabled 如下所示：

Add an if condition to the button to set the property as disabled if $prod_qty == '0' like shown below :

<input type="button" value="Add to Cart" <?php if ($prod_qty == '0'){ ?> disabled <?php   } ?> onclick="addtocart(<?php echo $row["prod_id"]?>)" />

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