我有一个PHP变量存储字符串的子串。但是点击一个按钮我希望它存储整个字符串

Question

<?php
$short_description = 
substr($brand_description,0,299);//$short_description is  storing the substring
echo '<span>';
<p>About:</p> '.$short_description.'</span>'; 
echo '<span id="read_more">'; echo '<button onclick="display_more()"> Read more</button>'; echo '</span>';
?>

//点击阅读更多按钮我希望$ short_description存储整个$ brand_description

Answer 1

尝试this

并在你的js部分做这样的

$('#changeMe').text('<?php echo $brand_description;?>');