-
Notifications
You must be signed in to change notification settings - Fork 22
/
speedtest.php
127 lines (99 loc) · 2.1 KB
/
speedtest.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
<?php
## In order of speed, fastest first
# if ($c)
# if ($c === true)
# if ($c === 1) WHEN $c IS A STRING
# $c = ', '
# if ($c == 1)
# if (!$c)
# if ($c == true)
# if ($c === 1) WHEN $c IS AN INTEGER
$results = [];
$c = 0;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c == 1) $b = 2;
}
$end = microtime(true);
$results["=="] = $end - $t;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c === 1) $b = 2;
}
$end = microtime(true);
$results["==="] = $end - $t;
$c = 'hello';
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c === 1) $b = 2;
}
$end = microtime(true);
$results["=== with different types"] = $end - $t;
$c = false;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c) $b = 2;
}
$end = microtime(true);
$results["true"] = $end - $t;
$c = false;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c == true) $b = 2;
}
$end = microtime(true);
$results["== true"] = $end - $t;
$c = false;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c === true) $b = 2;
}
$end = microtime(true);
$results["=== true"] = $end - $t;
$c = true;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if (!$c) $b = 2;
}
$end = microtime(true);
$results["!"] = $end - $t;
$c = '';
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
$c = ', ';
}
$end = microtime(true);
$results["string assignment"] = $end - $t;
$c = 10;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c === null) $b = 2;
}
$end = microtime(true);
$results["=== null"] = $end - $t;
$c = 10;
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c == null) $b = 2;
}
$end = microtime(true);
$results["== null"] = $end - $t;
$c = 'cake';
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if ($c === null || $c === '') $b = 2;
}
$end = microtime(true);
$results["=== null || === ''"] = $end - $t;
$c = 'cake';
$t = microtime(true);
for ($i = 0; $i < 100000000; $i++) {
if (!$c) $b = 2;
}
$end = microtime(true);
$results["!c"] = $end - $t;
asort($results);
foreach ($results as $k => $v) {
print $k."\t".$v."\n";
}
?>