Web在 PHP 中常用的计算字符串长度的函数有两个，分别是 strlen() 和 mb_strlen() 函数。 当处理全英文字符串时，这两个函数的效果是一样的，而处理中英文混合或纯中文的字符串时，这两个函数会有一些差异，下面就来详细介绍一下。 WebIt seems mb_substr() cannot calculate the length of the string in multi-byte encoding (UTF-8) and it should be set explicitly. Here is the corrected version:
mb_strlen()和strlen()_qq_33729083的博客-CSDN博客
http://c.biancheng.net/view/7412.html WebOct 23, 2012 · I.e. mb_strlen ('大', 'gb2312') expects the string to be a GB2312 byte sequence representation and is supposed to return 1. You're wrong in expecting it to return 2, even if GB2312 is a double byte encoding. mb_strlen returns the number of characters. strlen ('大') would give you the number the bytes, because it's a naïve old-style functions ... matt hancock stung by a scorpion
21. mb_strlen()関数の落とし穴 日経クロステック（xTECH）
mb_strlen is supposed to give you the number of characters in the given string in the specified encoding. I.e. mb_strlen('大', 'gb2312') expects the string to be a GB2312 byte sequence representation and is supposed to return 1. You're wrong in expecting it to return 2, even if GB2312 is a double byte encoding. mb_strlen returns the number of ... WebFeb 2, 2024 · A pergunta é interessante, pelo fato do 8bit não ser tipicamente comum, como dito nas outras respostas. Mas acho que a resposta do @Paul Imon, leva ao equivoco em vários casos. Não há nada de errado em mb_strlen('ὼ', '8bit') resultar 3, você apenas está ignorando a codificação utilizada, essa resposta é correta para 8bit.. Imagine que, por … WebAug 23, 2024 · PHP – Get the string length using mb_strlen () PHP Server Side Programming Programming. In PHP, multibyte string length (mb_strlen) function is used to get the total string length of a specified string. This function is supported in PHP 4.6.0 or higher versions. herbst theatre san francisco