Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/D8iMK
function name: (null)
number of ops: 6
compiled vars: !0 = $ean
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
28 0 E > ASSIGN !0, '037007923000'
29 1 INIT_FCALL 'ean_checksum'
2 SEND_VAR !0
3 DO_FCALL 0 $2
4 ECHO $2
5 > RETURN 1
Function ean_checksum:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 4, Position 2 = 5
Branch analysis from position: 4
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
1 jumps found. (Code = 42) Position 1 = 31
Branch analysis from position: 31
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 20
Branch analysis from position: 34
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 20
2 jumps found. (Code = 43) Position 1 = 23, Position 2 = 27
Branch analysis from position: 23
1 jumps found. (Code = 42) Position 1 = 30
Branch analysis from position: 30
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 20
Branch analysis from position: 34
Branch analysis from position: 20
Branch analysis from position: 27
2 jumps found. (Code = 44) Position 1 = 34, Position 2 = 20
Branch analysis from position: 34
Branch analysis from position: 20
filename: /in/D8iMK
function name: ean_checksum
number of ops: 47
compiled vars: !0 = $eancode, !1 = $oddsum, !2 = $evensum, !3 = $total, !4 = $eanvalue, !5 = $finalean, !6 = $i, !7 = $check
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
2 0 E > RECV !0
3 1 STRLEN ~8 !0
2 IS_NOT_EQUAL ~8, 12
3 > JMPZ ~9, ->5
4 4 > > RETURN '-1'
7 5 > ASSIGN !1, 0
8 6 ASSIGN !2, 0
9 7 ASSIGN !3, 0
10 8 ASSIGN !4, !0
11 9 INIT_FCALL 'strrev'
10 INIT_FCALL 'substr'
11 SEND_VAR !4
12 SEND_VAL 0
13 SEND_VAL 12
14 DO_ICALL $14
15 SEND_VAR $14
16 DO_ICALL $15
17 ASSIGN !5, $15
13 18 ASSIGN !6, 0
19 > JMP ->31
14 20 > MOD ~18 !6, 2
21 IS_EQUAL ~18, 0
22 > JMPZ ~19, ->27
15 23 > FETCH_DIM_R ~20 !5, !6
24 CAST 4 ~21 ~20
25 ASSIGN_OP 1 !1, ~21
26 > JMP ->30
18 27 > FETCH_DIM_R ~23 !5, !6
28 CAST 4 ~24 ~23
29 ASSIGN_OP 1 !2, ~24
13 30 > PRE_INC !6
31 > STRLEN ~27 !5
32 IS_SMALLER !6, ~27
33 > JMPNZ ~28, ->20
21 34 > MUL ~29 !1, 3
35 ADD ~30 ~29, !2
36 ASSIGN !3, ~30
23 37 INIT_FCALL 'ceil'
38 MOD ~32 !3, 10
39 SEND_VAL ~32
40 DO_ICALL $33
41 SUB ~34 10, $33
42 CAST 4 ~35 ~34
43 MOD ~36 ~35, 10
44 ASSIGN !7, ~36
24 45 > RETURN !7
25 46* > RETURN null
End of function ean_checksum
Generated using Vulcan Logic Dumper, using php 8.0.0