php入門教程:php rtrim()執行個體教程
定義和用法
該rtrim （ ）函數將刪除空格或其他預先確定的性質從右側的一個字串。
文法
rtrim(string,charlist)
參數說明
字串必需。指定的字串檢查
charlist可選。指定的字元刪除字串。如果省略，所有的下列字元被刪除：
“ 0 ” -空
“ T ”型-標籤
“ ñ ” -新的生產線
“ x0B ” -垂直標籤
“ r ”開始-斷行符號
“ ” -普通的白色空間
範例1<html><body><?php$str = "Hello World! ";echo "Without rtrim: " . $str;echo "<br />";echo "With rtrim: " . rtrim($str);?><body><html>輸出結果.Without rtrim: Hello World!With rtrim: Hello World!如果您選擇“查看源檔案”在瀏覽器視窗中，您會看到下面的HTML ：
<html><body>Without rtrim: Hello World! <br />With rtrim: Hello World!</body></html>執行個體二.<?php$str = "Hello World!rn";echo "Without rtrim: " . $str;echo "<br />";echo "With rtrim: " . rtrim($str);?>輸出.Without rtrim: Hello World!With rtrim: Hello World!
Start building with 50+ products and up to 12 months usage for Elastic Compute Service
1 on 1 presale consultation
24/7 Technical Support 6 Free Tickets per Quarter Faster Response
Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.
A comprehensive suite of global cloud computing services to power your business
Payment Methods We Support
