<?php
$text = " These are a few words :) ... ";
$binary = "x09Example stringx0A";
$hello = "Hello World";
$str = "## 使用函数trim去掉字符串两端特定字符####";
$new_text = trim($text);
$new_binary = trim($binary);
$new_hello = trim($hello);
$new_str = trim($str,"#");
echo $new_text; //These are a few words :) ...
echo $new_binary; //Example string
echo $hello; //Hello World
echo $new_str; //使用函数trim去掉字符串两端特定字符
?>以上函数功能,同时适用于ltrim()、rtrim(),这2个函数
1、ltrim();删除字符串开头的空白字符(或其他字符)
2、rtrim();删除字符串末端的空白字符(或者其他字符)
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