Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/hf4PM
function name: (null)
number of ops: 5
compiled vars: none
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
26 0 E > INIT_FCALL 'is_ean13'
1 SEND_VAL 7330510000000
2 DO_FCALL 0 $0
3 ECHO $0
4 > RETURN 1
Function is_ean13:
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
2 jumps found. (Code = 43) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 13
Branch analysis from position: 24
2 jumps found. (Code = 43) Position 1 = 30, Position 2 = 32
Branch analysis from position: 30
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 32
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 13
2 jumps found. (Code = 43) Position 1 = 19, Position 2 = 20
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 13
Branch analysis from position: 24
Branch analysis from position: 13
Branch analysis from position: 20
filename: /in/hf4PM
function name: is_ean13
number of ops: 34
compiled vars: !0 = $ean13, !1 = $index, !2 = $number, !3 = $sum, !4 = $key
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > RECV !0
5 1 STRLEN ~5 !0
2 IS_NOT_EQUAL ~5, 13
3 > JMPZ ~6, ->5
4 > > RETURN 1
6 5 > INIT_FCALL 'is_numeric'
6 SEND_VAR !0
7 DO_ICALL $7
8 BOOL_NOT ~8 $7
9 > JMPZ ~8, ->11
10 > > RETURN 2
13 11 > ASSIGN !1, 0
12 > JMP ->22
15 13 > FETCH_DIM_R ~10 !0, !1
14 CAST 4 ~11 ~10
15 ASSIGN !2, ~11
16 16 MOD ~13 !1, 2
17 IS_NOT_EQUAL ~13, 0
18 > JMPZ ~14, ->20
19 > ASSIGN_OP 3 !2, 3
17 20 > ASSIGN_OP 1 !3, !2
13 21 PRE_INC !1
22 > IS_SMALLER !1, 12
23 > JMPNZ ~18, ->13
20 24 > FETCH_DIM_R ~19 !0, 12
25 ASSIGN !4, ~19
23 26 MOD ~21 !3, 10
27 SUB ~22 10, ~21
28 IS_NOT_EQUAL !4, ~22
29 > JMPZ ~23, ->32
30 > > RETURN 3
31* JMP ->33
32 > > RETURN 0
24 33* > RETURN null
End of function is_ean13
Generated using Vulcan Logic Dumper, using php 8.0.0