PHP函数substr()错误 [英] PHP function substr() error
问题描述
当我使用substr()
时,我得到一个奇怪的字符
$articleText = substr($articleText,0,500);
我的输出为500个字符和-<-
我该如何解决?这是编码问题吗?我的语言是希腊语.
substr
使用字节计数,而不是字符.
希腊语可能意味着您正在使用一些多字节编码,例如UTF-8-并且按字节计数对于这些而言并不是很好.
也许使用 mb_substr
可能会有所帮助,在这里:<专门为多字节编码创建了href ="http://www.php.net/manual/zh/ref.mbstring.php" rel ="noreferrer"> mb_*
函数.>
When I use substr()
I get a strange character at the end
$articleText = substr($articleText,0,500);
I have an output of 500 chars and � <--
How can I fix this? Is it an encoding problem? My language is Greek.
substr
is counting using bytes, and not characters.
greek probably means you are using some multi-byte encoding, like UTF-8 -- and counting per bytes is not quite good for those.
Maybe using mb_substr
could help, here : the mb_*
functions have been created specifically for multi-byte encodings.
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