3v4l.org

run code in 300+ PHP versions simultaneously
<?php function myfunction($array){ echo PHP_EOL . 'pass $array to function...' . PHP_EOL; var_dump(memory_get_usage()); echo PHP_EOL . 'modify $array...' . PHP_EOL; $array[343] = 23; var_dump(memory_get_usage()); } function myfunction_passbyref(&$array){ echo PHP_EOL . 'pass-by-ref $array to function...' . PHP_EOL; var_dump(memory_get_usage()); echo PHP_EOL . 'modify $array...' . PHP_EOL; $array[343] = 23; var_dump(memory_get_usage()); } echo PHP_EOL . 'init $array with 10k elements...' . PHP_EOL; $array = range(1,10000); var_dump(memory_get_usage()); myfunction_passbyref($array); myfunction($array);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.3.10.0100.00316.16
7.3.00.0090.00416.36
7.2.130.0060.01116.35
7.2.120.0070.01216.34
7.2.110.0080.00816.40
7.2.100.0110.00916.60
7.2.90.0110.00916.64
7.2.80.0110.00516.12
7.2.70.0140.00816.71
7.2.60.0090.00716.63
7.2.50.0170.00616.58
7.2.40.0190.00616.39
7.2.30.0160.00916.65
7.2.20.0110.00716.43
7.2.10.0100.01016.57
7.2.00.0100.00617.56
7.1.250.0080.00615.42
7.1.70.0040.00417.19
7.1.60.0140.01019.46
7.1.50.0100.00316.76
7.1.00.0100.07022.53
7.0.200.0040.00715.63
7.0.140.0070.07022.21
7.0.70.0100.07721.71
7.0.60.0030.05721.70
7.0.50.0070.05322.14
7.0.40.0100.07720.14
7.0.30.0000.07720.11
7.0.20.0030.07320.13
7.0.10.0070.06020.07
7.0.00.0100.06720.04
5.6.280.0000.08023.29
5.6.220.0030.08323.00
5.6.210.0030.07022.83
5.6.200.0070.07023.40
5.6.190.0070.04323.34
5.6.180.0000.08323.49
5.6.170.0100.06723.36
5.6.160.0100.05723.35
5.6.150.0030.07723.46
5.6.140.0130.06323.48
5.6.130.0070.08323.34
5.6.120.0030.08723.39
5.6.110.0130.07323.21
5.6.100.0070.09023.42
5.6.90.0030.07723.40
5.6.80.0000.05722.79
5.6.70.0000.08322.77
5.6.60.0030.08722.68
5.6.50.0030.06022.64
5.6.40.0070.08322.61
5.6.30.0070.07022.71
5.6.20.0070.07022.70
5.6.10.0030.06722.78
5.6.00.0100.06022.74
5.5.360.0030.07022.66
5.5.350.0000.04722.73
5.5.340.0030.08323.19
5.5.330.0070.08023.20
5.5.320.0100.06323.20
5.5.310.0030.07323.24
5.5.300.0000.08723.20
5.5.290.0070.08323.08
5.5.280.0000.08723.20
5.5.270.0030.07323.23
5.5.260.0100.06723.04
5.5.250.0100.06322.99
5.5.240.0070.07722.33
5.5.230.0000.08722.59
5.5.220.0100.06322.58
5.5.210.0070.05722.55
5.5.200.0070.08022.54
5.5.190.0030.07022.58
5.5.180.0030.05322.55
5.5.160.0100.04322.46
5.5.150.0070.04722.54
5.5.140.0030.05322.56
5.5.130.0070.08022.57
5.5.120.0030.08322.58
5.5.110.0070.06722.52
5.5.100.0170.06322.42
5.5.90.0070.08022.39
5.5.80.0000.08722.41
5.5.70.0030.08022.43
5.5.60.0070.07322.39
5.5.50.0100.06322.38
5.5.40.0000.05022.35
5.5.30.0070.05722.41
5.5.20.0070.03722.27
5.5.10.0000.06322.38
5.5.00.0130.06722.38
5.4.450.0000.07321.70
5.4.440.0030.08321.54
5.4.430.0030.07321.66
5.4.420.0070.07021.68
5.4.410.0070.04721.66
5.4.400.0070.07021.25
5.4.390.0070.07721.14
5.4.380.0130.06721.29
5.4.370.0000.06021.34
5.4.360.0070.05021.20
5.4.350.0130.06321.36
5.4.340.0100.07021.28
5.4.320.0000.07721.35
5.4.310.0070.07721.11
5.4.300.0100.06321.36
5.4.290.0100.07021.29
5.4.280.0030.08021.46
5.4.270.0030.07321.37
5.4.260.0030.04321.43
5.4.250.0070.05721.23
5.4.240.0030.07721.43
5.4.230.0100.04721.34
5.4.220.0070.04721.13
5.4.210.0030.04321.20
5.4.200.0070.07721.36
5.4.190.0000.07721.33
5.4.180.0030.05321.08
5.4.170.0030.08321.34
5.4.160.0000.06721.08
5.4.150.0000.05021.22
5.4.140.0130.05018.63
5.4.130.0070.06318.65
5.4.120.0030.08018.78
5.4.110.0000.07318.62
5.4.100.0000.04718.76
5.4.90.0130.06318.63
5.4.80.0000.07718.61
5.4.70.0100.06718.64
5.4.60.0030.06318.66
5.4.50.0100.06018.65
5.4.40.0030.07718.73
5.4.30.0000.08018.54
5.4.20.0100.05718.71
5.4.10.0030.05718.73
5.4.00.0070.05018.06
5.3.290.0030.06316.80
5.3.280.0130.05716.87
5.3.270.0000.07716.90
5.3.260.0070.03716.84
5.3.250.0000.07316.90
5.3.240.0000.04316.83
5.3.230.0000.08016.77
5.3.220.0000.06016.75
5.3.210.0130.06716.82
5.3.200.0030.07716.86
5.3.190.0030.07716.74
5.3.180.0070.07316.86
5.3.170.0000.06716.77
5.3.160.0100.06716.74
5.3.150.0030.06716.73
5.3.140.0000.08016.87
5.3.130.0000.08016.89
5.3.120.0100.06716.89
5.3.110.0100.07316.73
5.3.100.0030.07716.17
5.3.90.0000.06716.14
5.3.80.0070.06316.12
5.3.70.0030.06016.26
5.3.60.0000.05316.16
5.3.50.0030.07716.05
5.3.40.0030.07016.05
5.3.30.0000.07716.09
5.3.20.0030.07015.87
5.3.10.0030.07015.82
5.3.00.0030.07715.84
5.2.170.0000.05014.75
5.2.160.0100.05314.75
5.2.150.0030.05314.75
5.2.140.0100.03014.75
5.2.130.0070.04014.75
5.2.120.0000.06014.75
5.2.110.0030.06014.75
5.2.100.0070.06314.75
5.2.90.0000.05014.75
5.2.80.0030.06714.75
5.2.70.0000.06714.75
5.2.60.0030.06014.75
5.2.50.0000.07014.75
5.2.40.0070.05014.75
5.2.30.0030.04014.75
5.2.20.0030.06014.75
5.2.10.0030.06314.75
5.2.00.0000.05714.75
5.1.60.0130.04014.75
5.1.50.0100.03314.75
5.1.40.0000.05014.75
5.1.30.0000.03714.75
5.1.20.0030.04014.75
5.1.10.0000.05314.75
5.1.00.0100.05314.75
5.0.50.0100.04314.75
5.0.40.0000.04714.75
5.0.30.0030.06014.75
5.0.20.0000.04714.75
5.0.10.0000.04714.75
5.0.00.0000.07014.75
4.4.90.0070.03714.75
4.4.80.0030.03014.75
4.4.70.0000.03014.75
4.4.60.0030.03014.75
4.4.50.0000.03314.75
4.4.40.0000.05014.75
4.4.30.0000.03014.75
4.4.20.0070.03314.75
4.4.10.0070.03314.75
4.4.00.0030.05014.75
4.3.110.0100.02714.75
4.3.100.0000.03314.75
4.3.90.0070.03014.75
4.3.80.0000.05014.75
4.3.70.0070.02714.75
4.3.60.0000.03714.75
4.3.50.0070.03014.75
4.3.40.0030.04714.75
4.3.30.0000.03314.75
4.3.20.0000.03714.75
4.3.10.0030.03714.75
4.3.00.0000.04014.75

preferences:
37.03 ms | 401 KiB | 5 Q