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【$trimmed = " These are a few words :) .."$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 = " These are a few words :) ... "; $trimmed = rtrim($text); // $trimmed = " These are a few words :) ..." $trimmed = rtrim($text, " ."); // $trimmed = " These 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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