我如何删除在PHP字符串的末尾3个字符?
我如何删除在PHP字符串的末尾3个字符? “abcabcabc”会变成“abcabc”!
做就是了:
echo substr($string, 0, -3);
您不需要使用strlen
调用,因为如substr
文档中所述:
如果给出长度并且是负数,那么很多字符将在字符串末尾被省略
<?php echo substr("abcabcabc", 0, -3); ?>
<?php echo substr($string, 0, strlen($string) - 3); ?>
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