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run code in 150+ php & hhvm versions
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<?php //using output_buffering=On print_r(ob_list_handlers()); //save buffer in a file $buffer = ob_get_flush(); print_r(ob_list_handlers()); ?>
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Array ( ) Notice: ob_get_flush(): failed to delete and flush buffer. No buffer to delete or flush in /in/5G8Ti on line 6 Array ( )
Output for hhvm-3.10.0 - 3.12.0
Output for 4.3.0 - 5.3.29
Array ( ) Array ( )