php去掉字符串最后一个逗号的方法：使用函数rtrim过滤字符串尾部，代码为【$trimmed = \t\tthese are a few words :) ..$str = '13,3';echo rtrim($str, ',')】。
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php去掉字符串最后一个逗号的方法：
首先分别解释下,
trim过滤字符串两端,
rtrim过滤字符串尾部,=chop()
ltrim过滤字符串首部.
过滤字符串中键的咚咚就只能用str_replace咯.
举个例子说明下,
php代码
代码如下:
$str = '123,333,234,';echo rtrim($str, ',');rtrim实例代码2
代码如下:
<?php$text = "\t\tthese are a few words :) ... ";$trimmed = rtrim($text);// $trimmed = "\t\tthese are a few words :) ..."$trimmed = rtrim($text, " \t.");// $trimmed = "\t\tthese are a few words :)"$clean = rtrim($binary, "\x00..\x1f");// trim the ascii control characters at the end of $binary// (from 0 to 31 inclusive)?>
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以上就是php如何去掉字符串最后一个逗号的详细内容。