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
1 jumps found. (Code = 42) Position 1 = 80
Branch analysis from position: 80
2 jumps found. (Code = 44) Position 1 = 82, Position 2 = 62
Branch analysis from position: 82
2 jumps found. (Code = 43) Position 1 = 119, Position 2 = 126
Branch analysis from position: 119
1 jumps found. (Code = 42) Position 1 = 138
Branch analysis from position: 138
2 jumps found. (Code = 43) Position 1 = 140, Position 2 = 147
Branch analysis from position: 140
1 jumps found. (Code = 42) Position 1 = 159
Branch analysis from position: 159
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 147
2 jumps found. (Code = 43) Position 1 = 149, Position 2 = 156
Branch analysis from position: 149
1 jumps found. (Code = 42) Position 1 = 159
Branch analysis from position: 159
Branch analysis from position: 156
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 126
2 jumps found. (Code = 43) Position 1 = 128, Position 2 = 135
Branch analysis from position: 128
1 jumps found. (Code = 42) Position 1 = 138
Branch analysis from position: 138
Branch analysis from position: 135
2 jumps found. (Code = 43) Position 1 = 140, Position 2 = 147
Branch analysis from position: 140
Branch analysis from position: 147
Branch analysis from position: 62
2 jumps found. (Code = 44) Position 1 = 82, Position 2 = 62
Branch analysis from position: 82
Branch analysis from position: 62
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/3NC2m
function name: (null)
number of ops: 160
compiled vars: !0 = $haystack, !1 = $needle, !2 = $results, !3 = $it, !4 = $i, !5 = $t, !6 = $a, !7 = $b, !8 = $c
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>
18 3 ASSIGN !3, 10000
23 4 ASSIGN !4, 0
5 > JMP ->22
24 6 > INIT_FCALL 'microtime'
7 SEND_VAL <true>
8 DO_ICALL $14
9 ASSIGN !5, $14
25 10 INIT_FCALL 'starts_with_substr'
11 SEND_VAR !0
12 SEND_VAR !1
13 DO_FCALL 0
26 14 INIT_FCALL 'microtime'
15 SEND_VAL <true>
16 DO_ICALL $19
17 SUB ~20 $19, !5
18 FETCH_DIM_W $17 !2, 'substr'
19 ASSIGN_DIM $17
20 OP_DATA ~20
23 21 PRE_INC !4
22 > IS_SMALLER !4, !3
23 > JMPNZ ~22, ->6
30 24 > INIT_FCALL 'array_pop'
25 FETCH_DIM_W $23 !2, 'substr'
26 SEND_REF $23
27 DO_ICALL
31 28 INIT_FCALL 'array_shift'
29 FETCH_DIM_W $25 !2, 'substr'
30 SEND_REF $25
31 DO_ICALL
36 32 ASSIGN !4, 0
33 > JMP ->50
37 34 > INIT_FCALL 'microtime'
35 SEND_VAL <true>
36 DO_ICALL $28
37 ASSIGN !5, $28
38 38 INIT_FCALL 'starts_with_strpos'
39 SEND_VAR !0
40 SEND_VAR !1
41 DO_FCALL 0
39 42 INIT_FCALL 'microtime'
43 SEND_VAL <true>
44 DO_ICALL $33
45 SUB ~34 $33, !5
46 FETCH_DIM_W $31 !2, 'strpos'
47 ASSIGN_DIM $31
48 OP_DATA ~34
36 49 PRE_INC !4
50 > IS_SMALLER !4, !3
51 > JMPNZ ~36, ->34
43 52 > INIT_FCALL 'array_pop'
53 FETCH_DIM_W $37 !2, 'strpos'
54 SEND_REF $37
55 DO_ICALL
44 56 INIT_FCALL 'array_shift'
57 FETCH_DIM_W $39 !2, 'strpos'
58 SEND_REF $39
59 DO_ICALL
49 60 ASSIGN !4, 0
61 > JMP ->80
50 62 > INIT_FCALL 'microtime'
63 SEND_VAL <true>
64 DO_ICALL $42
65 ASSIGN !5, $42
51 66 INIT_FCALL 'strpos'
67 SEND_VAR !0
68 SEND_VAR !1
69 DO_ICALL $44
70 IS_IDENTICAL ~45 $44, 0
71 FREE ~45
52 72 INIT_FCALL 'microtime'
73 SEND_VAL <true>
74 DO_ICALL $48
75 SUB ~49 $48, !5
76 FETCH_DIM_W $46 !2, 'strpos_without_function'
77 ASSIGN_DIM $46
78 OP_DATA ~49
49 79 PRE_INC !4
80 > IS_SMALLER !4, !3
81 > JMPNZ ~51, ->62
56 82 > INIT_FCALL 'array_pop'
83 FETCH_DIM_W $52 !2, 'strpos_without_function'
84 SEND_REF $52
85 DO_ICALL
57 86 INIT_FCALL 'array_shift'
87 FETCH_DIM_W $54 !2, 'strpos_without_function'
88 SEND_REF $54
89 DO_ICALL
61 90 INIT_FCALL 'array_sum'
91 FETCH_DIM_R ~56 !2, 'substr'
92 SEND_VAL ~56
93 DO_ICALL $57
94 DIV ~58 $57, !3
95 ASSIGN !6, ~58
62 96 INIT_FCALL 'array_sum'
97 FETCH_DIM_R ~60 !2, 'strpos'
98 SEND_VAL ~60
99 DO_ICALL $61
100 DIV ~62 $61, !3
101 ASSIGN !7, ~62
63 102 INIT_FCALL 'array_sum'
103 FETCH_DIM_R ~64 !2, 'strpos_without_function'
104 SEND_VAL ~64
105 DO_ICALL $65
106 DIV ~66 $65, !3
107 ASSIGN !8, ~66
65 108 INIT_FCALL 'printf'
109 SEND_VAL 'substr%3A+%25.9fs%2Fiteration+%40+%25d+iterations%0Astrpos%3A+%25.9fs%2Fiteration+%40+%25d+iterations%0Astrpos+%28without+wrapper%29%3A+%25.9fs%2Fiteration+%40+%25d+iterations%0A%0A'
110 SEND_VAR !6
111 SEND_VAR !3
112 SEND_VAR !7
113 SEND_VAR !3
114 SEND_VAR !8
115 SEND_VAR !3
116 DO_ICALL
68 117 IS_SMALLER !7, !6
118 > JMPZ ~69, ->126
69 119 > INIT_FCALL 'printf'
120 SEND_VAL 'strpos+is+%25d%25%25+faster+than+substr%0A'
121 DIV ~70 !7, !6
122 MUL ~71 ~70, 100
123 SEND_VAL ~71
124 DO_ICALL
125 > JMP ->138
70 126 > IS_SMALLER !6, !7
127 > JMPZ ~73, ->135
71 128 > INIT_FCALL 'printf'
129 SEND_VAL 'substr+is+%25d%25%25+faster+than+strpos%0A'
130 DIV ~74 !6, !7
131 MUL ~75 ~74, 100
132 SEND_VAL ~75
133 DO_ICALL
134 > JMP ->138
73 135 > INIT_FCALL 'printf'
136 SEND_VAL 'strpos+and+substr+are+the+same%0A'
137 DO_ICALL
77 138 > IS_SMALLER !8, !7
139 > JMPZ ~78, ->147
78 140 > INIT_FCALL 'printf'
141 SEND_VAL 'strpos+without+a+wrapper+function+is+%25d%25%25+faster+than+strpos+with+a+wrapper+function%0A'
142 DIV ~79 !8, !7
143 MUL ~80 ~79, 100
144 SEND_VAL ~80
145 DO_ICALL
146 > JMP ->159
79 147 > IS_SMALLER !7, !8
148 > JMPZ ~82, ->156
80 149 > INIT_FCALL 'printf'
150 SEND_VAL 'strpos+with+a+wrapper+function+is+%25d%25%25+faster+than+strpos+without+a+wrapper+fucntion%0A'
151 DIV ~83 !7, !8
152 MUL ~84 ~83, 100
153 SEND_VAL ~84
154 DO_ICALL
155 > JMP ->159
82 156 > INIT_FCALL 'printf'
157 SEND_VAL 'strpos+and+substr+are+the+same%0A'
158 DO_ICALL
83 159 > > RETURN 1
Function starts_with_strpos:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename: /in/3NC2m
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/3NC2m
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