Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/mWTKZ
function name: (null)
number of ops: 5
compiled vars: none
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
15 0 E > INIT_FCALL 'isvalidfilename'
1 SEND_VAL 'file1.jpg'
2 DO_FCALL 0 $0
3 ECHO $0
4 > RETURN 1
Function isvalidfilename:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 7, Position 2 = 8
Branch analysis from position: 7
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/mWTKZ
function name: isValidFileName
number of ops: 10
compiled vars: !0 = $fileName
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > RECV !0
6 1 INIT_FCALL 'preg_match'
2 SEND_VAL '%2F%28%5E%5Ba-zA-Z0-9%5C.%5C-%5Cs_%5D%2B%29%5C.%28jpg%7Cgif%7Cpng%7Cbmp%29%24%2Fi'
3 SEND_VAR !0
4 DO_ICALL $1
5 BOOL_NOT ~2 $1
6 > JMPZ ~2, ->8
8 7 > > RETURN <false>
12 8 > > RETURN <true>
13 9* > RETURN null
End of function isvalidfilename
Generated using Vulcan Logic Dumper, using php 8.0.0