对
<div id="example" title="<?php echo the_excerpt(); ?>"> some text </div>
或:
<div id="example" title="<?= the_excerpt() ?>"> some text </div>
后者是一个速记,自动回响PHP区块中的一切内容,而前者可以包含任何代码,包括回响某些东西的代码(打印到区块所在的位置)。
但请注意, 以避开您输出到 HTML 的任何内容, 以确保它是有效的属性值( 除非 < code> the_ except () 已经返回一个逃出字符串 ):
<div id="example" title="<?= htmlspecialchars(the_excerpt()) ?>"> some text </div>
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