Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 22
Branch analysis from position: 22
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 6
Branch analysis from position: 24
1 jumps found. (Code = 42) Position 1 = 50
Branch analysis from position: 50
2 jumps found. (Code = 44) Position 1 = 52, Position 2 = 34
Branch analysis from position: 52
2 jumps found. (Code = 43) Position 1 = 81, Position 2 = 88
Branch analysis from position: 81
1 jumps found. (Code = 42) Position 1 = 100
Branch analysis from position: 100
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 88
2 jumps found. (Code = 43) Position 1 = 90, Position 2 = 97
Branch analysis from position: 90
1 jumps found. (Code = 42) Position 1 = 100
Branch analysis from position: 100
Branch analysis from position: 97
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 34
2 jumps found. (Code = 44) Position 1 = 52, Position 2 = 34
Branch analysis from position: 52
Branch analysis from position: 34
Branch analysis from position: 6
2 jumps found. (Code = 44) Position 1 = 24, Position 2 = 6
Branch analysis from position: 24
Branch analysis from position: 6
filename: /in/0Wupn
function name: (null)
number of ops: 101
compiled vars: !0 = $haystack, !1 = $needle, !2 = $results, !3 = $it, !4 = $i, !5 = $t, !6 = $a, !7 = $b
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
11 0 E > ASSIGN !0, 'Hello+PHP'
12 1 ASSIGN !1, 'Hello'
15 2 ASSIGN !2, <array>
20 3 ASSIGN !3, 10000
22 4 ASSIGN !4, 0
5 > JMP ->22
23 6 > INIT_FCALL 'microtime'
7 SEND_VAL <true>
8 DO_ICALL $13
9 ASSIGN !5, $13
24 10 INIT_FCALL 'starts_with_substr'
11 SEND_VAR !0
12 SEND_VAR !1
13 DO_FCALL 0
25 14 INIT_FCALL 'microtime'
15 SEND_VAL <true>
16 DO_ICALL $18
17 SUB ~19 $18, !5
18 FETCH_DIM_W $16 !2, 'substr'
19 ASSIGN_DIM $16
20 OP_DATA ~19
22 21 PRE_INC !4
22 > IS_SMALLER !4, !3
23 > JMPNZ ~21, ->6
29 24 > INIT_FCALL 'array_pop'
25 FETCH_DIM_W $22 !2, 'substr'
26 SEND_REF $22
27 DO_ICALL
30 28 INIT_FCALL 'array_shift'
29 FETCH_DIM_W $24 !2, 'substr'
30 SEND_REF $24
31 DO_ICALL
35 32 ASSIGN !4, 0
33 > JMP ->50
36 34 > INIT_FCALL 'microtime'
35 SEND_VAL <true>
36 DO_ICALL $27
37 ASSIGN !5, $27
37 38 INIT_FCALL 'starts_with_strpos'
39 SEND_VAR !0
40 SEND_VAR !1
41 DO_FCALL 0
38 42 INIT_FCALL 'microtime'
43 SEND_VAL <true>
44 DO_ICALL $32
45 SUB ~33 $32, !5
46 FETCH_DIM_W $30 !2, 'strpos'
47 ASSIGN_DIM $30
48 OP_DATA ~33
35 49 PRE_INC !4
50 > IS_SMALLER !4, !3
51 > JMPNZ ~35, ->34
42 52 > INIT_FCALL 'array_pop'
53 FETCH_DIM_W $36 !2, 'strpos'
54 SEND_REF $36
55 DO_ICALL
43 56 INIT_FCALL 'array_shift'
57 FETCH_DIM_W $38 !2, 'strpos'
58 SEND_REF $38
59 DO_ICALL
47 60 INIT_FCALL 'array_sum'
61 FETCH_DIM_R ~40 !2, 'substr'
62 SEND_VAL ~40
63 DO_ICALL $41
64 DIV ~42 $41, !3
65 ASSIGN !6, ~42
48 66 INIT_FCALL 'array_sum'
67 FETCH_DIM_R ~44 !2, 'strpos'
68 SEND_VAL ~44
69 DO_ICALL $45
70 DIV ~46 $45, !3
71 ASSIGN !7, ~46
50 72 INIT_FCALL 'printf'
73 SEND_VAL 'substr%3A+%25.6fs%2Fiteration+%40+%25d+iterations%0Astrpos%3A+%25.6fs%2Fiteration+%40+%25d+iterations%0A%0A'
74 SEND_VAR !6
75 SEND_VAR !3
76 SEND_VAR !7
77 SEND_VAR !3
78 DO_ICALL
53 79 IS_SMALLER !7, !6
80 > JMPZ ~49, ->88
54 81 > INIT_FCALL 'printf'
82 SEND_VAL 'strpos+is+%25d%25%25+faster+than+substr%0A'
83 DIV ~50 !7, !6
84 MUL ~51 ~50, 100
85 SEND_VAL ~51
86 DO_ICALL
87 > JMP ->100
55 88 > IS_SMALLER !6, !7
89 > JMPZ ~53, ->97
56 90 > INIT_FCALL 'printf'
91 SEND_VAL 'substr+is+%25d%25%25+faster+than+strpos%0A'
92 DIV ~54 !6, !7
93 MUL ~55 ~54, 100
94 SEND_VAL ~55
95 DO_ICALL
96 > JMP ->100
58 97 > INIT_FCALL 'printf'
98 SEND_VAL 'strpos+and+substr+are+the+same%0A'
99 DO_ICALL
59 100 > > RETURN 1
Function starts_with_strpos:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/0Wupn
function name: starts_with_strpos
number of ops: 9
compiled vars: !0 = $haystack, !1 = $needle
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
2 0 E > RECV !0
1 RECV !1
3 2 INIT_FCALL 'strpos'
3 SEND_VAR !0
4 SEND_VAR !1
5 DO_ICALL $2
6 IS_IDENTICAL ~3 $2, 0
7 > RETURN ~3
4 8* > RETURN null
End of function starts_with_strpos
Function starts_with_substr:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/0Wupn
function name: starts_with_substr
number of ops: 11
compiled vars: !0 = $haystack, !1 = $needle
line #* E I O op fetch ext return operands
-------------------------------------------------------------------------------------
6 0 E > RECV !0
1 RECV !1
7 2 INIT_FCALL 'substr'
3 SEND_VAR !0
4 SEND_VAL 0
5 STRLEN ~2 !1
6 SEND_VAL ~2
7 DO_ICALL $3
8 IS_IDENTICAL ~4 !1, $3
9 > RETURN ~4
8 10* > RETURN null
End of function starts_with_substr
Generated using Vulcan Logic Dumper, using php 8.0.0