Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/vvXqN
function name: (null)
number of ops: 29
compiled vars: none
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
30 0 E > INIT_FCALL 'var_dump'
1 INIT_FCALL_BY_NAME 'is_date'
2 SEND_VAL_EX '22.22.2222'
3 SEND_VAL_EX 'mm.dd.yyyy'
4 DO_FCALL 0 $0
5 SEND_VAR $0
6 DO_ICALL
31 7 INIT_FCALL 'var_dump'
8 INIT_FCALL_BY_NAME 'is_date'
9 SEND_VAL_EX '11%2F30%2F2008'
10 SEND_VAL_EX 'mm%2Fdd%2Fyyyy'
11 DO_FCALL 0 $2
12 SEND_VAR $2
13 DO_ICALL
32 14 INIT_FCALL 'var_dump'
15 INIT_FCALL_BY_NAME 'is_date'
16 SEND_VAL_EX '30-01-2008'
17 SEND_VAL_EX 'dd-mm-yyyy'
18 DO_FCALL 0 $4
19 SEND_VAR $4
20 DO_ICALL
33 21 INIT_FCALL 'var_dump'
22 INIT_FCALL_BY_NAME 'is_date'
23 SEND_VAL_EX '2008+01+30'
24 SEND_VAL_EX 'yyyy+mm+dd'
25 DO_FCALL 0 $6
26 SEND_VAR $6
27 DO_ICALL
28 > RETURN 1
Function is_valid_date:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 46) Position 1 = 5, Position 2 = 8
Branch analysis from position: 5
2 jumps found. (Code = 43) Position 1 = 9, Position 2 = 77
Branch analysis from position: 9
2 jumps found. (Code = 46) Position 1 = 18, Position 2 = 21
Branch analysis from position: 18
2 jumps found. (Code = 43) Position 1 = 22, Position 2 = 77
Branch analysis from position: 22
2 jumps found. (Code = 46) Position 1 = 49, Position 2 = 56
Branch analysis from position: 49
2 jumps found. (Code = 43) Position 1 = 57, Position 2 = 77
Branch analysis from position: 57
2 jumps found. (Code = 43) Position 1 = 76, Position 2 = 77
Branch analysis from position: 76
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 77
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 77
Branch analysis from position: 56
Branch analysis from position: 77
Branch analysis from position: 21
Branch analysis from position: 77
Branch analysis from position: 8
filename: /in/vvXqN
function name: is_valid_date
number of ops: 79
compiled vars: !0 = $value, !1 = $format, !2 = $separator_only, !3 = $separator, !4 = $regexp, !5 = $arr, !6 = $day, !7 = $month, !8 = $year
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
2 0 E > RECV !0
1 RECV_INIT !1 'dd.mm.yyyy'
3 2 STRLEN ~9 !0
3 IS_SMALLER_OR_EQUAL ~10 6, ~9
4 > JMPZ_EX ~10 ~10, ->8
5 > STRLEN ~11 !1
6 IS_EQUAL ~12 ~11, 10
7 BOOL ~10 ~12
8 > > JMPZ ~10, ->77
6 9 > INIT_FCALL 'str_replace'
10 SEND_VAL <array>
11 SEND_VAL ''
12 SEND_VAR !1
13 DO_ICALL $13
14 ASSIGN !2, $13
7 15 FETCH_DIM_R ~15 !2, 0
16 ASSIGN !3, ~15
9 17 > JMPZ_EX ~17 !3, ->21
18 > STRLEN ~18 !2
19 IS_EQUAL ~19 ~18, 2
20 BOOL ~17 ~19
21 > > JMPZ ~17, ->77
11 22 > INIT_FCALL 'str_replace'
23 SEND_VAL 'mm'
24 SEND_VAL '%280%3F%5B1-9%5D%7C1%5B0-2%5D%29'
25 SEND_VAR !1
26 DO_ICALL $20
27 ASSIGN !4, $20
12 28 INIT_FCALL 'str_replace'
29 SEND_VAL 'dd'
30 SEND_VAL '%280%3F%5B1-9%5D%7C%5B1-2%5D%5B0-9%5D%7C3%5B0-1%5D%29'
31 SEND_VAR !4
32 DO_ICALL $22
33 ASSIGN !4, $22
13 34 INIT_FCALL 'str_replace'
35 SEND_VAL 'yyyy'
36 SEND_VAL '%2819%7C20%29%3F%5B0-9%5D%5B0-9%5D'
37 SEND_VAR !4
38 DO_ICALL $24
39 ASSIGN !4, $24
14 40 INIT_FCALL 'str_replace'
41 SEND_VAR !3
42 CONCAT ~26 '%5C', !3
43 SEND_VAL ~26
44 SEND_VAR !4
45 DO_ICALL $27
46 ASSIGN !4, $27
15 47 IS_NOT_EQUAL ~29 !4, !0
48 > JMPZ_EX ~29 ~29, ->56
49 > INIT_FCALL 'preg_match'
50 CONCAT ~30 '%2F', !4
51 CONCAT ~31 ~30, '%5Cz%2F'
52 SEND_VAL ~31
53 SEND_VAR !0
54 DO_ICALL $32
55 BOOL ~29 $32
56 > > JMPZ ~29, ->77
18 57 > INIT_FCALL 'explode'
58 SEND_VAR !3
59 SEND_VAR !0
60 DO_ICALL $33
61 ASSIGN !5, $33
19 62 FETCH_DIM_R ~35 !5, 0
63 ASSIGN !6, ~35
20 64 FETCH_DIM_R ~37 !5, 1
65 ASSIGN !7, ~37
21 66 FETCH_DIM_R ~39 !5, 2
67 ASSIGN !8, ~39
22 68 BEGIN_SILENCE ~41
69 INIT_FCALL 'checkdate'
70 SEND_VAR !7
71 SEND_VAR !6
72 SEND_VAR !8
73 DO_ICALL $42
74 END_SILENCE ~41
75 > JMPZ $42, ->77
23 76 > > RETURN <true>
27 77 > > RETURN <false>
28 78* > RETURN null
End of function is_valid_date
Generated using Vulcan Logic Dumper, using php 8.0.0