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run code in 150+ php & hhvm versions
Bugs & Features
<?php header('d'); echo "lalalaal"; ob_start(); header('e'); echo "heretoo"; $html = ob_get_contents(); ob_end_clean(); echo $html;
Output for 5.2.3 - 7.1.0
lalalaal Warning: Cannot modify header information - headers already sent by (output started at /in/phTBA:3) in /in/phTBA on line 5 heretoo
Output for 4.3.0 - 5.2.2
lalalaalheretoo