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<?php $array = array_fill(0, 100, uniqid('', false)); $array2 = $array; $timer = microtime(true); for ($i = 0; $i < 10; $i++) { while (list($key, $value) = each($array)) { $array[$key] = 'value'; } } printf("While list each %.3f sec\n", microtime(true) - $timer); $timer = microtime(true); for ($i = 0; $i < 10; $i++) { foreach ($array2 as $key => &$value) { $value = 'value'; } } printf("Foreach %.3f sec\n", microtime(true) - $timer); var_dump(count($array), count($array2)); var_dump($array === $array2);
Output for 7.2.0 - 7.2.24, 7.3.0 - 7.3.12
Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /in/Ohr76 on line 7 While list each 0.000 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.0 - 7.0.1, 7.0.3 - 7.0.4, 7.0.7 - 7.0.8, 7.1.2, 7.1.6 - 7.1.7, 7.1.25 - 7.1.33
While list each 0.000 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.2, 7.1.8
While list each 0.010 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.1.5
While list each 0.009 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.1.4
While list each 0.022 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.1.3
While list each 0.011 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.13, 7.1.1
While list each 0.003 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.11, 7.1.0
While list each 0.002 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.9 - 7.0.10, 7.0.15, 7.0.19 - 7.0.20
While list each 0.005 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.6, 7.0.18
While list each 0.008 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.17
While list each 0.014 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.14, 7.0.16
While list each 0.004 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.12
While list each 0.006 sec Foreach 0.000 sec int(100) int(100) bool(true)
Output for 7.0.5
While list each 0.018 sec Foreach 0.000 sec int(100) int(100) bool(true)
preferences:
61.56 ms | 423 KiB | 5 Q