KarelWintersky revisou este gist . Ir para a revisão
1 file changed, 3 insertions, 3 deletions
useless_php_optimize.md
@@ -22,8 +22,8 @@ echo microtime(true) - $start. PHP_EOL. PHP_EOL; | |||
22 | 22 | ``` | |
23 | 23 | ||
24 | 24 | Итак: | |
25 | - | `array_key_exists('b', $arr) VS isset($arr['b'])` - 9 sec VS 8 sec | |
26 | - | `array_key_exists('c', $arr) VS isset($arr['c'])` - 8.4 sec VS 7.6 sec | |
27 | - | `$ox !== null vs is_null($ox)` - 4.6 sec VS 4.5 sec (в PHP7 было наоборот) | |
25 | + | - `array_key_exists('b', $arr) VS isset($arr['b'])` - 9 sec VS 8 sec | |
26 | + | - `array_key_exists('c', $arr) VS isset($arr['c'])` - 8.4 sec VS 7.6 sec | |
27 | + | - `$ox !== null vs is_null($ox)` - 4.6 sec VS 4.5 sec (в PHP7 было наоборот) | |
28 | 28 | ||
29 | 29 |
KarelWintersky revisou este gist . Ir para a revisão
1 file changed, 29 insertions
useless_php_optimize.md(arquivo criado)
@@ -0,0 +1,29 @@ | |||
1 | + | Всё проверяем в консоли (то есть без OPCache) с помощью кода: | |
2 | + | ||
3 | + | ```php | |
4 | + | const LIM = 1_000_000_000; | |
5 | + | ||
6 | + | $arr = [ | |
7 | + | 'a' => 1, | |
8 | + | 'b' => 2 | |
9 | + | ]; | |
10 | + | ||
11 | + | $start = microtime(true); | |
12 | + | for ($i = 0; $i < LIM; $i++) { | |
13 | + | <test1> | |
14 | + | } | |
15 | + | echo microtime(true) - $start . PHP_EOL . PHP_EOL; | |
16 | + | ||
17 | + | $start = microtime(true); | |
18 | + | for ($i = 0; $i < LIM; $i++) { | |
19 | + | <test1> | |
20 | + | } | |
21 | + | echo microtime(true) - $start. PHP_EOL. PHP_EOL; | |
22 | + | ``` | |
23 | + | ||
24 | + | Итак: | |
25 | + | `array_key_exists('b', $arr) VS isset($arr['b'])` - 9 sec VS 8 sec | |
26 | + | `array_key_exists('c', $arr) VS isset($arr['c'])` - 8.4 sec VS 7.6 sec | |
27 | + | `$ox !== null vs is_null($ox)` - 4.6 sec VS 4.5 sec (в PHP7 было наоборот) | |
28 | + | ||
29 | + |