3v4l.org

run code in 300+ PHP versions simultaneously
<?php //because Safari wont play ball $browser = $_SERVER['HTTP_USER_AGENT'] . "\n\n"; $allowedBrowsers = array("Chrome", "Firefox"); $badBrowsers = array("Safari"); foreach ($allowedBrowsers as $userBrowser) { if (strpos($browser, $userBrowser) !== false) { print "<input type='search' name='search' placeholder='type here'>"; break; } else { print "<input type='text' name='search' placeholder='type here'>"; } } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined array key "HTTP_USER_AGENT" in /in/iSTpH on line 4 <input type='text' name='search' placeholder='type here'><input type='text' name='search' placeholder='type here'>

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