3v4l.org

run code in 300+ PHP versions simultaneously
<?php $rand = []; $max = 10000; for ($i = 0; $i < $max; $i++) { $rand[bin2hex(random_bytes(10))] = $i; } $max = 1000; $start = microtime(true); for ($i = 0; $i < $max; $i++) { $keys = []; foreach ($rand as $k => $v) { $keys[] = $k; } } printf("Took %.7f seconds per execution\n", (microtime(true) - $start) / $max); $max = 1000; $start = microtime(true); for ($i = 0; $i < $max; $i++) { $keys = array_keys($rand); } printf("Took %.7f seconds per execution\n", (microtime(true) - $start) / $max);
Output for 8.4.5
Took 0.0001598 seconds per execution Took 0.0000319 seconds per execution
Output for 8.4.4
Took 0.0001500 seconds per execution Took 0.0000289 seconds per execution
Output for 8.4.3
Took 0.0001498 seconds per execution Took 0.0000285 seconds per execution
Output for 8.4.2
Took 0.0001530 seconds per execution Took 0.0000247 seconds per execution
Output for 8.4.1
Took 0.0001493 seconds per execution Took 0.0000311 seconds per execution
Output for 8.3.19
Took 0.0001633 seconds per execution Took 0.0000293 seconds per execution
Output for 8.3.18
Took 0.0001509 seconds per execution Took 0.0000301 seconds per execution
Output for 8.3.17
Took 0.0001372 seconds per execution Took 0.0000254 seconds per execution
Output for 8.3.16
Took 0.0001531 seconds per execution Took 0.0000272 seconds per execution
Output for 8.3.15
Took 0.0001452 seconds per execution Took 0.0000273 seconds per execution
Output for 8.3.14
Took 0.0001420 seconds per execution Took 0.0000274 seconds per execution
Output for 8.3.13
Took 0.0001463 seconds per execution Took 0.0000251 seconds per execution
Output for 8.3.12
Took 0.0001376 seconds per execution Took 0.0000263 seconds per execution
Output for 8.3.11
Took 0.0001473 seconds per execution Took 0.0000292 seconds per execution
Output for 8.3.10
Took 0.0001507 seconds per execution Took 0.0000252 seconds per execution
Output for 8.3.9
Took 0.0001469 seconds per execution Took 0.0000251 seconds per execution
Output for 8.3.8
Took 0.0001632 seconds per execution Took 0.0000543 seconds per execution
Output for 8.3.7
Took 0.0001474 seconds per execution Took 0.0000291 seconds per execution
Output for 8.3.6
Took 0.0001664 seconds per execution Took 0.0000277 seconds per execution
Output for 8.3.5
Took 0.0001543 seconds per execution Took 0.0000338 seconds per execution
Output for 8.3.4
Took 0.0001448 seconds per execution Took 0.0000239 seconds per execution
Output for 8.3.3
Took 0.0001529 seconds per execution Took 0.0000245 seconds per execution
Output for 8.3.2
Took 0.0001536 seconds per execution Took 0.0000302 seconds per execution
Output for 8.3.1
Took 0.0001448 seconds per execution Took 0.0000269 seconds per execution
Output for 8.3.0
Took 0.0001644 seconds per execution Took 0.0000293 seconds per execution
Output for 8.2.28
Took 0.0001462 seconds per execution Took 0.0000240 seconds per execution
Output for 8.2.27
Took 0.0001493 seconds per execution Took 0.0000308 seconds per execution
Output for 8.2.26
Took 0.0001392 seconds per execution Took 0.0000258 seconds per execution
Output for 8.2.25
Took 0.0001577 seconds per execution Took 0.0000250 seconds per execution
Output for 8.2.24
Took 0.0001555 seconds per execution Took 0.0000261 seconds per execution
Output for 8.2.23
Took 0.0001523 seconds per execution Took 0.0000248 seconds per execution
Output for 8.2.22
Took 0.0001432 seconds per execution Took 0.0000272 seconds per execution
Output for 8.2.21
Took 0.0001653 seconds per execution Took 0.0000257 seconds per execution
Output for 8.2.20
Took 0.0001332 seconds per execution Took 0.0000241 seconds per execution
Output for 8.2.19
Took 0.0001309 seconds per execution Took 0.0000238 seconds per execution
Output for 8.2.18
Took 0.0001339 seconds per execution Took 0.0000238 seconds per execution
Output for 8.2.17
Took 0.0001317 seconds per execution Took 0.0000233 seconds per execution
Output for 8.2.16
Took 0.0001285 seconds per execution Took 0.0000231 seconds per execution
Output for 8.2.15
Took 0.0001315 seconds per execution Took 0.0000242 seconds per execution
Output for 8.2.14
Took 0.0001425 seconds per execution Took 0.0000265 seconds per execution
Output for 8.2.13
Took 0.0001380 seconds per execution Took 0.0000238 seconds per execution
Output for 8.2.12
Took 0.0001317 seconds per execution Took 0.0000243 seconds per execution
Output for 8.2.11
Took 0.0001315 seconds per execution Took 0.0000234 seconds per execution
Output for 8.2.10
Took 0.0001291 seconds per execution Took 0.0000245 seconds per execution
Output for 8.2.9
Took 0.0001619 seconds per execution Took 0.0000285 seconds per execution
Output for 8.2.8
Took 0.0001382 seconds per execution Took 0.0000255 seconds per execution
Output for 8.2.7
Took 0.0001550 seconds per execution Took 0.0000236 seconds per execution
Output for 8.2.6
Took 0.0001433 seconds per execution Took 0.0000224 seconds per execution
Output for 8.2.5
Took 0.0001325 seconds per execution Took 0.0000231 seconds per execution
Output for 8.2.4
Took 0.0001351 seconds per execution Took 0.0000250 seconds per execution
Output for 8.2.3
Took 0.0001383 seconds per execution Took 0.0000241 seconds per execution
Output for 8.2.2
Took 0.0001428 seconds per execution Took 0.0000246 seconds per execution
Output for 8.2.1
Took 0.0001419 seconds per execution Took 0.0000264 seconds per execution
Output for 8.2.0
Took 0.0001344 seconds per execution Took 0.0000237 seconds per execution
Output for 8.1.32
Took 0.0001367 seconds per execution Took 0.0000291 seconds per execution
Output for 8.1.31
Took 0.0001356 seconds per execution Took 0.0000279 seconds per execution
Output for 8.1.30
Took 0.0001366 seconds per execution Took 0.0000275 seconds per execution
Output for 8.1.29
Took 0.0001595 seconds per execution Took 0.0000328 seconds per execution
Output for 8.1.28
Took 0.0001470 seconds per execution Took 0.0000323 seconds per execution
Output for 8.1.27
Took 0.0001649 seconds per execution Took 0.0000286 seconds per execution
Output for 8.1.26
Took 0.0001571 seconds per execution Took 0.0000304 seconds per execution
Output for 8.1.25
Took 0.0001497 seconds per execution Took 0.0000288 seconds per execution
Output for 8.1.24
Took 0.0001580 seconds per execution Took 0.0000283 seconds per execution
Output for 8.1.23
Took 0.0001665 seconds per execution Took 0.0000305 seconds per execution
Output for 8.1.22
Took 0.0001596 seconds per execution Took 0.0000309 seconds per execution
Output for 8.1.21
Took 0.0001573 seconds per execution Took 0.0000296 seconds per execution
Output for 8.1.20
Took 0.0001567 seconds per execution Took 0.0000289 seconds per execution
Output for 8.1.19
Took 0.0001465 seconds per execution Took 0.0000274 seconds per execution
Output for 8.1.18
Took 0.0001445 seconds per execution Took 0.0000263 seconds per execution
Output for 8.1.17
Took 0.0001491 seconds per execution Took 0.0000287 seconds per execution
Output for 8.1.16
Took 0.0001453 seconds per execution Took 0.0000270 seconds per execution
Output for 8.1.15
Took 0.0001383 seconds per execution Took 0.0000276 seconds per execution
Output for 8.1.14
Took 0.0001465 seconds per execution Took 0.0000269 seconds per execution
Output for 8.1.13
Took 0.0001416 seconds per execution Took 0.0000266 seconds per execution
Output for 8.1.12
Took 0.0001533 seconds per execution Took 0.0000262 seconds per execution
Output for 8.1.11
Took 0.0001376 seconds per execution Took 0.0000270 seconds per execution
Output for 8.1.10
Took 0.0001477 seconds per execution Took 0.0000263 seconds per execution
Output for 8.1.9
Took 0.0001385 seconds per execution Took 0.0000264 seconds per execution
Output for 8.1.8
Took 0.0001369 seconds per execution Took 0.0000267 seconds per execution
Output for 8.1.7
Took 0.0001443 seconds per execution Took 0.0000286 seconds per execution
Output for 8.1.6
Took 0.0001357 seconds per execution Took 0.0000261 seconds per execution
Output for 8.1.5
Took 0.0001433 seconds per execution Took 0.0000282 seconds per execution
Output for 8.1.4
Took 0.0001404 seconds per execution Took 0.0000280 seconds per execution
Output for 8.1.3
Took 0.0001401 seconds per execution Took 0.0000284 seconds per execution
Output for 8.1.2
Took 0.0001380 seconds per execution Took 0.0000268 seconds per execution
Output for 8.1.1
Took 0.0001389 seconds per execution Took 0.0000270 seconds per execution
Output for 8.1.0
Took 0.0001464 seconds per execution Took 0.0000268 seconds per execution
Output for 8.0.30
Took 0.0001406 seconds per execution Took 0.0000276 seconds per execution
Output for 8.0.29
Took 0.0001444 seconds per execution Took 0.0000263 seconds per execution
Output for 8.0.28
Took 0.0001403 seconds per execution Took 0.0000261 seconds per execution
Output for 8.0.27
Took 0.0001402 seconds per execution Took 0.0000265 seconds per execution
Output for 8.0.26
Took 0.0001414 seconds per execution Took 0.0000264 seconds per execution
Output for 8.0.25
Took 0.0001441 seconds per execution Took 0.0000270 seconds per execution
Output for 8.0.24
Took 0.0001398 seconds per execution Took 0.0000263 seconds per execution
Output for 8.0.23
Took 0.0001471 seconds per execution Took 0.0000271 seconds per execution
Output for 8.0.22
Took 0.0001430 seconds per execution Took 0.0000262 seconds per execution
Output for 8.0.21
Took 0.0001411 seconds per execution Took 0.0000280 seconds per execution
Output for 8.0.20
Took 0.0001458 seconds per execution Took 0.0000272 seconds per execution
Output for 8.0.19
Took 0.0001406 seconds per execution Took 0.0000263 seconds per execution
Output for 8.0.18
Took 0.0001472 seconds per execution Took 0.0000267 seconds per execution
Output for 8.0.17
Took 0.0001413 seconds per execution Took 0.0000262 seconds per execution
Output for 8.0.16
Took 0.0001578 seconds per execution Took 0.0000276 seconds per execution
Output for 8.0.15
Took 0.0001436 seconds per execution Took 0.0000261 seconds per execution
Output for 8.0.14
Took 0.0001450 seconds per execution Took 0.0000275 seconds per execution
Output for 8.0.13
Took 0.0001422 seconds per execution Took 0.0000262 seconds per execution
Output for 8.0.12
Took 0.0001503 seconds per execution Took 0.0000262 seconds per execution
Output for 8.0.11
Took 0.0001489 seconds per execution Took 0.0000273 seconds per execution
Output for 8.0.10
Took 0.0001442 seconds per execution Took 0.0000286 seconds per execution
Output for 8.0.9
Took 0.0001421 seconds per execution Took 0.0000263 seconds per execution
Output for 8.0.8
Took 0.0001420 seconds per execution Took 0.0000276 seconds per execution
Output for 8.0.7
Took 0.0001484 seconds per execution Took 0.0000277 seconds per execution
Output for 8.0.6
Took 0.0001414 seconds per execution Took 0.0000277 seconds per execution
Output for 8.0.5
Took 0.0001463 seconds per execution Took 0.0000271 seconds per execution
Output for 8.0.3
Took 0.0001467 seconds per execution Took 0.0000271 seconds per execution
Output for 8.0.2
Took 0.0001673 seconds per execution Took 0.0000279 seconds per execution
Output for 8.0.1
Took 0.0001423 seconds per execution Took 0.0000263 seconds per execution
Output for 8.0.0
Took 0.0001418 seconds per execution Took 0.0000265 seconds per execution
Output for 7.4.33
Took 0.0001452 seconds per execution Took 0.0000275 seconds per execution
Output for 7.4.32
Took 0.0001438 seconds per execution Took 0.0000276 seconds per execution
Output for 7.4.30
Took 0.0001472 seconds per execution Took 0.0000265 seconds per execution
Output for 7.4.29
Took 0.0001470 seconds per execution Took 0.0000274 seconds per execution
Output for 7.4.28
Took 0.0001443 seconds per execution Took 0.0000297 seconds per execution
Output for 7.4.27
Took 0.0001834 seconds per execution Took 0.0000293 seconds per execution
Output for 7.4.26
Took 0.0001632 seconds per execution Took 0.0000297 seconds per execution
Output for 7.4.25
Took 0.0001663 seconds per execution Took 0.0000298 seconds per execution
Output for 7.4.24
Took 0.0001579 seconds per execution Took 0.0000338 seconds per execution
Output for 7.4.23
Took 0.0001630 seconds per execution Took 0.0000305 seconds per execution
Output for 7.4.22
Took 0.0001726 seconds per execution Took 0.0000325 seconds per execution
Output for 7.4.21
Took 0.0001561 seconds per execution Took 0.0000289 seconds per execution
Output for 7.4.20
Took 0.0001571 seconds per execution Took 0.0000307 seconds per execution
Output for 7.4.19
Took 0.0001884 seconds per execution Took 0.0000278 seconds per execution
Output for 7.4.18
Took 0.0001748 seconds per execution Took 0.0000351 seconds per execution
Output for 7.4.16
Took 0.0001658 seconds per execution Took 0.0000308 seconds per execution
Output for 7.4.15
Took 0.0001663 seconds per execution Took 0.0000290 seconds per execution
Output for 7.4.14
Took 0.0001541 seconds per execution Took 0.0000300 seconds per execution
Output for 7.4.13
Took 0.0001656 seconds per execution Took 0.0000307 seconds per execution
Output for 7.4.12
Took 0.0001674 seconds per execution Took 0.0000296 seconds per execution
Output for 7.4.11
Took 0.0001505 seconds per execution Took 0.0000290 seconds per execution
Output for 7.4.10
Took 0.0001624 seconds per execution Took 0.0000296 seconds per execution
Output for 7.4.9
Took 0.0001620 seconds per execution Took 0.0000316 seconds per execution
Output for 7.4.8
Took 0.0001721 seconds per execution Took 0.0000335 seconds per execution
Output for 7.4.7
Took 0.0001644 seconds per execution Took 0.0000283 seconds per execution
Output for 7.4.6
Took 0.0001547 seconds per execution Took 0.0000316 seconds per execution
Output for 7.4.5
Took 0.0001598 seconds per execution Took 0.0000298 seconds per execution
Output for 7.4.4
Took 0.0001633 seconds per execution Took 0.0000284 seconds per execution
Output for 7.4.3
Took 0.0001632 seconds per execution Took 0.0000291 seconds per execution
Output for 7.4.2
Took 0.0001583 seconds per execution Took 0.0000296 seconds per execution
Output for 7.4.1
Took 0.0001648 seconds per execution Took 0.0000294 seconds per execution
Output for 7.4.0
Took 0.0001535 seconds per execution Took 0.0000287 seconds per execution
Output for 7.3.33
Took 0.0001683 seconds per execution Took 0.0000316 seconds per execution
Output for 7.3.32
Took 0.0001746 seconds per execution Took 0.0000361 seconds per execution
Output for 7.3.31
Took 0.0001524 seconds per execution Took 0.0000328 seconds per execution
Output for 7.3.30
Took 0.0001675 seconds per execution Took 0.0000299 seconds per execution
Output for 7.3.29
Took 0.0001620 seconds per execution Took 0.0000303 seconds per execution
Output for 7.3.28
Took 0.0001613 seconds per execution Took 0.0000296 seconds per execution
Output for 7.3.27
Took 0.0001474 seconds per execution Took 0.0000287 seconds per execution
Output for 7.3.26
Took 0.0001575 seconds per execution Took 0.0000290 seconds per execution
Output for 7.3.25
Took 0.0001465 seconds per execution Took 0.0000303 seconds per execution
Output for 7.3.24
Took 0.0001525 seconds per execution Took 0.0000320 seconds per execution
Output for 7.3.23
Took 0.0001677 seconds per execution Took 0.0000328 seconds per execution
Output for 7.3.22
Took 0.0001547 seconds per execution Took 0.0000370 seconds per execution
Output for 7.3.21
Took 0.0001684 seconds per execution Took 0.0000345 seconds per execution
Output for 7.3.20
Took 0.0001625 seconds per execution Took 0.0000344 seconds per execution
Output for 7.3.19
Took 0.0001618 seconds per execution Took 0.0000327 seconds per execution
Output for 7.3.18
Took 0.0001716 seconds per execution Took 0.0000348 seconds per execution
Output for 7.3.17
Took 0.0001712 seconds per execution Took 0.0000322 seconds per execution
Output for 7.3.16
Took 0.0001550 seconds per execution Took 0.0000313 seconds per execution
Output for 7.3.15
Took 0.0001586 seconds per execution Took 0.0000321 seconds per execution
Output for 7.3.14
Took 0.0001864 seconds per execution Took 0.0000311 seconds per execution
Output for 7.3.13
Took 0.0001666 seconds per execution Took 0.0000342 seconds per execution
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