如何在第一次出现“-"时拆分字符串?(减号)用 PHP 变成两个 $vars? [英] How can I split a string at the first occurrence of "-" (minus sign) into two $vars with PHP?

问题描述

如何使用 PHP 在第一次出现 -(减号)时将字符串拆分为两个 $vars?

How can I split a string at the first occurrence of - (minus sign) into two $vars with PHP?

我已经找到了如何在每个-"上进行拆分，但不仅限于第一次出现时.

I have found how to split on every "-" but, not only on the first occurrence.

示例:

this - is - line - of whatever - is - relevant
$var1 = this
$var2 = is - line - of whatever - is - relevant

注意，也去掉了第一个-".

Note, also stripped the first "-" .

预先感谢您的帮助！

推荐答案

很简单，使用一个额外的参数来explode很多人没有意识到的存在:

It's very simple, using an extra paramater to explode that many people don't realize is there:

list($before, $after) = expand('-', $source, 2);

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