Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/W5rrq
function name: (null)
number of ops: 13
compiled vars: none
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
22 0 E > INIT_FCALL 'var_dump'
1 INIT_FCALL 'luhn_validate'
2 SEND_VAL '4111888888881881'
3 DO_FCALL 0 $0
4 SEND_VAR $0
5 DO_ICALL
23 6 INIT_FCALL 'var_dump'
7 INIT_FCALL 'luhn_validate'
8 SEND_VAL '15616516516165165'
9 DO_FCALL 0 $2
10 SEND_VAR $2
11 DO_ICALL
12 > RETURN 1
Function luhn_validate:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 16
Branch analysis from position: 16
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 4
Branch analysis from position: 19
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 24
Branch analysis from position: 22
1 jumps found. (Code = 42) Position 1 = 25
Branch analysis from position: 25
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 24
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 4
2 jumps found. (Code = 43) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 15
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 4
Branch analysis from position: 19
Branch analysis from position: 4
Branch analysis from position: 12
2 jumps found. (Code = 44) Position 1 = 19, Position 2 = 4
Branch analysis from position: 19
Branch analysis from position: 4
filename: /in/W5rrq
function name: luhn_validate
number of ops: 27
compiled vars: !0 = $num, !1 = $sum, !2 = $i
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
3 0 E > RECV !0
5 1 ASSIGN !1, 0
7 2 ASSIGN !2, 0
3 > JMP ->16
9 4 > BW_AND ~5 !2, 1
5 > JMPZ ~5, ->12
10 6 > FETCH_DIM_R ~6 !0, !2
7 CAST 4 ~7 ~6
8 MUL ~8 ~7, 2
9 SUB ~9 ~8, 9
10 ASSIGN_OP 1 !1, ~9
11 > JMP ->15
13 12 > FETCH_DIM_R ~11 !0, !2
13 CAST 4 ~12 ~11
14 ASSIGN_OP 1 !1, ~12
7 15 > PRE_INC !2
16 > STRLEN ~15 !0
17 IS_SMALLER !2, ~15
18 > JMPNZ ~16, ->4
18 19 > DIV ~17 !1, 10
20 TYPE_CHECK 16 ~17
21 > JMPZ ~18, ->24
22 > QM_ASSIGN ~19 <true>
23 > JMP ->25
24 > QM_ASSIGN ~19 <false>
25 > > RETURN ~19
20 26* > RETURN null
End of function luhn_validate
Generated using Vulcan Logic Dumper, using php 8.0.0