PHP if语句带有strlen（无法正常工作）

Question

<?php if(strlen($r['body'] <= '74')): ?>
<?php echo $r['body']; ?>
<?php else: ?>
<?php echo substr($r['body'], 0, 74) ."..."; ?>
<?php endif; ?>

when $r['body'] == more than 74 chars everything works as expected but as soon as $r['body'] == less than 74 chars it still attaches "..."

I can work out what i have been doing wrong?

Answer 1

您没有关闭正确的strlen，也是74是一个不应在引号内的整数试试：

if(strlen($r['body']) <= 74):

Answer 2

Try this

<?php if(strlen($r['body'])  <= 74 ): ?>

strlen() return the length of string which you can test in if

Answer 3

you have the parenthesis in the wrong place. try this:

<?php if(strlen($r['body']) <= '74'): ?>