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<?php ob_end_clean(); header("Connection: close"); ignore_user_abort(); // optional ob_start(); echo ('Text the user will see'); $size = ob_get_length(); header("Content-Length: $size"); ob_end_flush(); // Strange behaviour, will not work flush();            // Unless both are called ! // Do processing here sleep(30);echo('Text user will never see');?>
Output for git.master, git.master_jit, rfc.property-hooks
Notice: ob_end_clean(): Failed to delete buffer. No buffer to delete in /in/87N4H on line 7 Warning: Cannot modify header information - headers already sent by (output started at /in/87N4H:7) in /in/87N4H on line 8 Text the user will see Warning: Cannot modify header information - headers already sent by (output started at /in/87N4H:7) in /in/87N4H on line 12 Notice: ob_end_flush(): Failed to delete and flush buffer. No buffer to delete or flush in /in/87N4H on line 13
Process exited with code 137.

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