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run code in 300+ PHP versions simultaneously
<?php $output = '<h1>title</h1> <ul> <li>first</li> <li>second</li> </ul>'; $output = str_replace(array("\r\n", "\r", "\n"), "", $output); var_dump($output);die;
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(52) "<h1>title</h1><ul><li>first</li><li>second</li></ul>"
preferences:
165.98 ms | 404 KiB | 226 Q