PHP rtrim() 函数

code

<!DOCTYPE html>
<html>
<body>

<?php
$str = "Hello World!";
echo $str . "<br>";
echo rtrim($str,"World!");
?>
  
</body>
</html>

输出

Hello World!
Hello

参考:

https://www.w3school.com.cn/php/func_string_rtrim.asp

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转载自www.cnblogs.com/sea-stream/p/11279851.html
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