php 如何在php中删除字符串末尾的3个字符？
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How can I remove 3 characters at the end of a string in php?
提问by bensiu
How can I remove 3 characters at the end of a string in php? "abcabcabc" would become "abcabc"!
如何在php中删除字符串末尾的3个字符？“abcabcabc”将变成“abcabc”！
回答by bensiu
Just do:
做就是了：
echo substr($string, 0, -3);
You don't need to use a strlencall, since, as noted in the substr docs:
您不需要使用strlen调用，因为正如substr 文档中所述：
If length is given and is negative, then that many characters will be omitted from the end of string
如果给定长度并且为负数，则字符串末尾将省略许多字符
回答by KomarSerjio
<?php echo substr("abcabcabc", 0, -3); ?>
<?php echo substr("abcabcabc", 0, -3); ?>
回答by Jan
<?php echo substr($string, 0, strlen($string) - 3); ?>
