php - 特定时间后的页面重定向 PHP

Question

有一个特定的PHP函数可以在一段时间后重定向。我在哪里看到过，但不记得了。就像登录后的gmail重定向一样。请问有人可以提醒我吗？

Answer 1

header( "refresh:5;url=wherever.php" );

这是设置 header 的 php 方式，它将在 5 秒内将您重定向到 wherever.php

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Remember that header() must be called before any actual output is sent, either by normal HTML tags, blank lines in a file, or from PHP. It is a very common error to read code with include, or require, functions, or another file access function, and have spaces or empty lines that are output before header() is called. The same problem exists when using a single PHP/HTML file. (source php.net)