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<?php $testList = [ [ 'array' => [], 'expect' => true, ], [ 'array' => ['a', 'b', 'c'], 'expect' => true, ], [ 'array' => ["0" => 'a', "1" => 'b', "2" => 'c'], 'expect' => true, ], [ 'array' => ["1" => 'a', "0" => 'b', "2" => 'c'], 'expect' => false, ], [ 'array' => ["a" => 'a', "b" => 'b', "c" => 'c'], 'expect' => false, ], ]; function displayBenchmark($function) { global $testList; echo '<h5>use function <code>' . $function . '</code></h5>'; $i = 0; $startTime = microtime(true); for ($i = 0; $i <= 1000; ++$i) { foreach ($testList as $testItem) { $result = $function($testItem['array']); assert($result === $testItem['expect'], 'Unexpect matched on index ' . $i); ++$i; } } $totalTime = microtime(true) - $startTime; echo 'total time: ' . var_export($totalTime, true) . '<br>'; } function array_is_list1(array $arr) { if ($arr === []) { return true; } return array_keys($arr) === range(0, count($arr) - 1); } function array_is_list2(array $array): bool { $i = -1; foreach ($array as $k => $v) { ++$i; if ($k !== $i) { return false; } } return true; } class Benchmark { private static $max, $memory; public static function memoryTick() { self::$memory = memory_get_usage() - self::$memory; self::$max = self::$memory>self::$max?self::$memory:self::$max; self::$memory = memory_get_usage(); } public static function benchmarkMemory(callable $function, $args=null) { declare(ticks=1); self::$memory = memory_get_usage(); self::$max = 0; register_tick_function('call_user_func_array', ['Benchmark', 'memoryTick'], []); $result = is_array($args)? call_user_func_array($function, $args): call_user_func($function); unregister_tick_function('call_user_func_array'); return [ 'memory' => self::$max ]; } } var_dump(Benchmark::benchmarkMemory('displayBenchmark', ['array_is_list'])); var_dump(Benchmark::benchmarkMemory('displayBenchmark', ['array_is_list1'])); var_dump(Benchmark::benchmarkMemory('displayBenchmark', ['array_is_list2']));
Output for 8.3.11
<h5>use function <code>array_is_list</code></h5>total time: 0.00024008750915527344<br>array(1) { ["memory"]=> int(280) } <h5>use function <code>array_is_list1</code></h5>total time: 0.000370025634765625<br>array(1) { ["memory"]=> int(192) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00026488304138183594<br>array(1) { ["memory"]=> int(192) }
Output for 8.3.1
<h5>use function <code>array_is_list</code></h5>total time: 0.00024199485778808594<br>array(1) { ["memory"]=> int(280) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0004630088806152344<br>array(1) { ["memory"]=> int(192) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0003521442413330078<br>array(1) { ["memory"]=> int(192) }
Output for 8.3.0
<h5>use function <code>array_is_list</code></h5>total time: 0.00023293495178222656<br>array(1) { ["memory"]=> int(280) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002789497375488281<br>array(1) { ["memory"]=> int(192) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00021004676818847656<br>array(1) { ["memory"]=> int(192) }
Output for 8.2.14
<h5>use function <code>array_is_list</code></h5>total time: 0.0003268718719482422<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0005369186401367188<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0004439353942871094<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.13
<h5>use function <code>array_is_list</code></h5>total time: 0.00018596649169921875<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00033211708068847656<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00024390220642089844<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.12
<h5>use function <code>array_is_list</code></h5>total time: 0.0001571178436279297<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002551078796386719<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00019598007202148438<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.11
<h5>use function <code>array_is_list</code></h5>total time: 0.0003039836883544922<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00038504600524902344<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00036907196044921875<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.10
<h5>use function <code>array_is_list</code></h5>total time: 0.00015592575073242188<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002532005310058594<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00019216537475585938<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.9
<h5>use function <code>array_is_list</code></h5>total time: 0.0001780986785888672<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003020763397216797<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00029015541076660156<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.8
<h5>use function <code>array_is_list</code></h5>total time: 0.00015497207641601562<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002570152282714844<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00020694732666015625<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.7
<h5>use function <code>array_is_list</code></h5>total time: 0.00029397010803222656<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00040602684020996094<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0001900196075439453<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.6
<h5>use function <code>array_is_list</code></h5>total time: 0.0002219676971435547<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0007269382476806641<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.000370025634765625<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.5
<h5>use function <code>array_is_list</code></h5>total time: 0.0002598762512207031<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0005118846893310547<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00026297569274902344<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.4
<h5>use function <code>array_is_list</code></h5>total time: 0.00019288063049316406<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002620220184326172<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00020694732666015625<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.3
<h5>use function <code>array_is_list</code></h5>total time: 0.00019311904907226562<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003020763397216797<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0002579689025878906<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.2
<h5>use function <code>array_is_list</code></h5>total time: 0.0001220703125<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00015401840209960938<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00014495849609375<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.1
<h5>use function <code>array_is_list</code></h5>total time: 0.00025391578674316406<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00040602684020996094<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00027680397033691406<br>array(1) { ["memory"]=> int(160) }
Output for 8.2.0
<h5>use function <code>array_is_list</code></h5>total time: 7.700920104980469E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013399124145507812<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010013580322265625<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.27
<h5>use function <code>array_is_list</code></h5>total time: 0.00018286705017089844<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003299713134765625<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00024008750915527344<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.26
<h5>use function <code>array_is_list</code></h5>total time: 0.00023794174194335938<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003681182861328125<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00026917457580566406<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.25
<h5>use function <code>array_is_list</code></h5>total time: 0.00020313262939453125<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003521442413330078<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0002529621124267578<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.24
<h5>use function <code>array_is_list</code></h5>total time: 7.915496826171875E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0001308917999267578<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 9.989738464355469E-5<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.23
<h5>use function <code>array_is_list</code></h5>total time: 0.00019693374633789062<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003199577331542969<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00025177001953125<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.22
<h5>use function <code>array_is_list</code></h5>total time: 0.0001518726348876953<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002770423889160156<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00020003318786621094<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.21
<h5>use function <code>array_is_list</code></h5>total time: 0.00017690658569335938<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0002808570861816406<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0002830028533935547<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.20
<h5>use function <code>array_is_list</code></h5>total time: 0.00021505355834960938<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003609657287597656<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0002830028533935547<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.19
<h5>use function <code>array_is_list</code></h5>total time: 0.0002570152282714844<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0003790855407714844<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00028204917907714844<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.18
<h5>use function <code>array_is_list</code></h5>total time: 0.0003218650817871094<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0005669593811035156<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0004069805145263672<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.17
<h5>use function <code>array_is_list</code></h5>total time: 0.00014591217041015625<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00024700164794921875<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0001990795135498047<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.16
<h5>use function <code>array_is_list</code></h5>total time: 7.700920104980469E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013208389282226562<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 9.799003601074219E-5<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.15
<h5>use function <code>array_is_list</code></h5>total time: 0.0001480579376220703<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00037384033203125<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00021195411682128906<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.14
<h5>use function <code>array_is_list</code></h5>total time: 8.702278137207031E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00023293495178222656<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0001609325408935547<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.13
<h5>use function <code>array_is_list</code></h5>total time: 0.00013589859008789062<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00016021728515625<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.0001418590545654297<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.12
<h5>use function <code>array_is_list</code></h5>total time: 0.00011491775512695312<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00025010108947753906<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00015091896057128906<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.11
<h5>use function <code>array_is_list</code></h5>total time: 7.891654968261719E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013017654418945312<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010204315185546875<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.10
<h5>use function <code>array_is_list</code></h5>total time: 7.891654968261719E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00015211105346679688<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 9.799003601074219E-5<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.9
<h5>use function <code>array_is_list</code></h5>total time: 7.796287536621094E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00012993812561035156<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010418891906738281<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.8
<h5>use function <code>array_is_list</code></h5>total time: 8.0108642578125E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013589859008789062<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010180473327636719<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.7
<h5>use function <code>array_is_list</code></h5>total time: 7.82012939453125E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0001289844512939453<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010085105895996094<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.6
<h5>use function <code>array_is_list</code></h5>total time: 7.891654968261719E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0001308917999267578<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010395050048828125<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.5
<h5>use function <code>array_is_list</code></h5>total time: 9.417533874511719E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0001571178436279297<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00013899803161621094<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.4
<h5>use function <code>array_is_list</code></h5>total time: 8.20159912109375E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013899803161621094<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010609626770019531<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.3
<h5>use function <code>array_is_list</code></h5>total time: 7.987022399902344E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0001480579376220703<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 9.989738464355469E-5<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.2
<h5>use function <code>array_is_list</code></h5>total time: 7.605552673339844E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.0001270771026611328<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010013580322265625<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.1
<h5>use function <code>array_is_list</code></h5>total time: 8.296966552734375E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013494491577148438<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 0.00010895729064941406<br>array(1) { ["memory"]=> int(160) }
Output for 8.1.0
<h5>use function <code>array_is_list</code></h5>total time: 7.605552673339844E-5<br>array(1) { ["memory"]=> int(248) } <h5>use function <code>array_is_list1</code></h5>total time: 0.00013208389282226562<br>array(1) { ["memory"]=> int(160) } <h5>use function <code>array_is_list2</code></h5>total time: 9.918212890625E-5<br>array(1) { ["memory"]=> int(160) }
Output for 7.2.16, 7.4.33
<h5>use function <code>array_is_list</code></h5> Fatal error: Uncaught Error: Call to undefined function array_is_list() in /in/paaK1:36 Stack trace: #0 /in/paaK1(84): displayBenchmark('array_is_list') #1 /in/paaK1(93): Benchmark::benchmarkMemory('displayBenchmar...', Array) #2 {main} thrown in /in/paaK1 on line 36
Process exited with code 255.

preferences:
53.45 ms | 486 KiB | 5 Q