php 如何通过PHP从字符串中获取子字符串？
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How to get a substring from string through PHP?
提问by Abhi
Hi want to change the displayed username like [email protected] to only abcd. so for this i should clip the part starting from @.
嗨，想将显示的用户名（如 [email protected]）更改为仅 abcd。所以为此我应该剪辑从@开始的部分。
I can do this very easily through variablename.substring() function in Java or C# , but I m not aware with the syntax of PHP. So help me do that .
我可以通过 Java 或 C# 中的 variablename.substring() 函数很容易地做到这一点，但我不知道 PHP 的语法。所以帮我做那个。
Suppose i m having variable like .
假设我有像 .
$username = "[email protected]";
$username = some
string manipultion functiona should get called here ; so that echo $username; can results in abcd only.
应该在这里调用字符串操作函数；这样 echo $username; 只能产生 abcd。
回答by Sander Marechal
Try this:
尝试这个：
$username = substr($username, 0, strpos($username, '@'));
回答by MD Sayem Ahmed
Use strstrfunction.
使用strstr函数。
An example from the PHP reference -
PHP参考中的一个例子 -
<?php
$email = '[email protected]';
$domain = strstr($email, '@');
echo $domain; // prints @example.com
$user = strstr($email, '@', true); // As of PHP 5.3.0
echo $user; // prints name
?>
回答by Wes
list($username, $domain) = explode('@', '[email protected]')
回答by Ibu
substr(string, 0, 20)
String, start, length
字符串，开始，长度
