3v4l.org

run code in 300+ PHP versions simultaneously
<?php function someOp($i) { usleep(1); return $i; } $arr = array_fill(0, 1000, ''); $newarr = []; $start_time = microtime(true); $newarr = array_map('someOp', $arr); $time = microtime(true) - $start_time; echo $time."\n";
Output for 7.3.1
0.058188915252686
Output for 7.3.0
0.057986974716187
Output for 7.2.13
0.05773401260376
Output for 7.2.12
0.058398962020874
Output for 7.2.11
0.057547092437744
Output for 7.2.10
0.058666944503784
Output for 7.2.9
0.057962894439697
Output for 7.2.8
0.056950092315674
Output for 7.2.7
0.058444023132324
Output for 7.2.6
0.057799100875854
Output for 7.2.5
0.057755947113037
Output for 7.2.4
0.057601928710938
Output for 7.2.3
0.057348966598511
Output for 7.2.2
0.058571100234985
Output for 7.2.1
0.057809114456177
Output for 7.2.0
0.05800199508667
Output for 7.1.25
0.057594060897827
Output for 7.1.24
0.058306932449341
Output for 7.1.23
0.058418035507202
Output for 7.1.22
0.059615135192871
Output for 7.1.21
0.057644844055176
Output for 7.1.20
0.056331872940063
Output for 7.1.19
0.058378934860229
Output for 7.1.18
0.057759046554565
Output for 7.1.17
0.057850122451782
Output for 7.1.16
0.058387994766235
Output for 7.1.15
0.057590007781982
Output for 7.1.14
0.058279037475586
Output for 7.1.13
0.058788061141968
Output for 7.1.12
0.058951854705811
Output for 7.1.11
0.058125972747803
Output for 7.1.10
0.058547019958496
Output for 7.1.9
0.059967994689941
Output for 7.1.8
0.057494163513184
Output for 7.1.7
0.055598974227905
Output for 7.1.6
0.058310031890869
Output for 7.0.7, 7.1.5
0.05879807472229
Output for 7.1.4
0.058356046676636
Output for 7.1.3
0.057977914810181
Output for 7.1.2
0.058236837387085
Output for 7.1.1
0.057822227478027
Output for 7.1.0
0.056784868240356
Output for 7.0.33
0.057876825332642
Output for 7.0.32
0.059190034866333
Output for 7.0.31
0.058873176574707
Output for 7.0.30
0.05883002281189
Output for 7.0.29
0.059853076934814
Output for 7.0.28
0.059483051300049
Output for 7.0.27
0.05787181854248
Output for 7.0.26
0.056980848312378
Output for 7.0.25
0.058038949966431
Output for 7.0.24
0.05945897102356
Output for 7.0.23
0.059513092041016
Output for 7.0.22
0.059191942214966
Output for 7.0.21
0.05736517906189
Output for 7.0.20
0.058829069137573
Output for 7.0.19
0.058050155639648
Output for 7.0.18
0.059081077575684
Output for 7.0.17
0.059797048568726
Output for 7.0.16
0.058725833892822
Output for 7.0.15
0.05935001373291
Output for 7.0.14
0.057363033294678
Output for 7.0.13
0.055716037750244
Output for 7.0.12
0.05640697479248
Output for 7.0.11
0.057641983032227
Output for 7.0.10
0.057426929473877
Output for 7.0.9
0.057606935501099
Output for 7.0.8
0.057405948638916
Output for 7.0.6
0.059008121490479
Output for 7.0.5
0.056621074676514
Output for 7.0.4
0.058284997940063
Output for 7.0.3
0.058794975280762
Output for 7.0.2
0.057888984680176
Output for 7.0.1
0.059082984924316
Output for 7.0.0
0.058406829833984
Output for 5.6.38
0.06040096282959
preferences:
75.06 ms | 401 KiB | 82 Q