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run code in 300+ PHP versions simultaneously
<?php ini_set('session.use_cookies', '0'); ini_set('session.use_only_cookies',0); ini_set('session.use_trans_sid',1); ini_set('session.trans_sid_hosts','php.net'); session_id('sessionidhere'); session_start(); ?> <p><a href="index.php">Click This Anchor Tag!</a></p> <p><a href="#place">Internal link</a></p> <p><a href="http://php.net/#foo">External link with anchor</a></p>
Output for 7.1.10 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
<p><a href="index.php?PHPSESSID=sessionidhere">Click This Anchor Tag!</a></p> <p><a href="#place">Internal link</a></p> <p><a href="http://php.net/?PHPSESSID=sessionidhere#foo">External link with anchor</a></p>
Output for 7.1.0 - 7.1.7, 7.2.0
<p><a href="index.php?PHPSESSID=sessionidhere">Click This Anchor Tag!</a></p> <p><a href="#place/?PHPSESSID=sessionidhere">Internal link</a></p> <p><a href="http://php.net/?PHPSESSID=sessionidhere#foo">External link with anchor</a></p>
Output for 7.0.0 - 7.0.20
<p><a href="index.php?PHPSESSID=sessionidhere">Click This Anchor Tag!</a></p> <p><a href="#place">Internal link</a></p> <p><a href="http://php.net/#foo">External link with anchor</a></p>

preferences:
149.83 ms | 401 KiB | 199 Q