3v4l.org

run code in 300+ PHP versions simultaneously
<?php $numberOfRandoms = 500; $uniques = array(); for($i = 0; $i < $numberOfRandoms; $i++) { $uniques[mt_rand(10000, 99999)] = true; } $uniques = array_keys($uniques); var_dump(count($uniques));

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)
7.2.00.0040.00819.40
7.1.70.0040.00417.19
7.1.60.0040.02119.33
7.1.50.0280.01734.80
7.1.00.0070.07322.34
7.0.200.0050.00316.76
7.0.140.0070.07021.98
7.0.60.0030.07020.05
7.0.50.0200.06717.85
7.0.40.0170.06720.23
7.0.30.0300.08020.30
7.0.20.0230.08020.16
7.0.10.0070.06020.04
7.0.00.0100.05020.12
5.6.280.0130.06720.96
5.6.210.0100.08020.50
5.6.200.0130.05318.16
5.6.190.0070.08720.33
5.6.180.0200.08320.48
5.6.170.0200.06720.54
5.6.160.0130.06320.31
5.6.150.0000.06318.22
5.6.140.0270.06318.13
5.6.130.0070.06718.22
5.6.120.0170.07721.05
5.6.110.0100.04721.04
5.6.100.0070.05321.14
5.6.90.0000.06721.00
5.6.80.0230.04720.54
5.6.70.4030.04320.40
5.5.350.0170.07720.51
5.5.340.0100.07717.98
5.5.330.0130.04320.16
5.5.320.0230.03720.32
5.5.310.0230.06720.29
5.5.300.0100.06018.02
5.5.290.0030.09017.97
5.5.280.0100.04320.80
5.5.270.0100.07720.89
5.5.260.0070.03720.89
5.5.250.0000.07020.61
5.5.240.0200.07020.36
5.4.450.0430.04719.14
5.4.440.0200.07019.13
5.4.430.0200.05319.13
5.4.420.0200.06719.25
5.4.410.0200.04319.37
5.4.400.0270.07019.25
5.4.390.0270.04019.10
5.4.380.0230.06719.10
5.4.370.0270.03019.09
5.4.360.0200.03719.25
5.4.350.0200.03719.10
5.4.340.0300.06719.08
5.4.320.0230.03319.23
5.4.310.0170.06319.16
5.4.300.0200.04719.08
5.4.290.0300.06019.09
5.4.280.0330.05719.08
5.4.270.0230.06319.34
5.4.260.0200.04718.80
5.4.250.0330.06319.08
5.4.240.0170.05019.21
5.4.230.0200.08018.90
5.4.220.0330.03719.22
5.4.210.0230.04019.08
5.4.200.0370.03319.16
5.4.190.0230.04318.87
5.4.180.0230.06018.77
5.4.170.0270.07019.14
5.4.160.0330.06718.90
5.4.150.0270.07319.04
5.4.140.0170.04016.48
5.4.130.0230.04316.21
5.4.120.0230.04716.32
5.4.110.0270.04016.45
5.4.100.0200.03716.51
5.4.90.0200.04016.49
5.4.80.0200.04316.42
5.4.70.0300.03316.51
5.4.60.0300.05016.09
5.4.50.0300.03016.24
5.4.40.0230.04016.34
5.4.30.0200.03716.50
5.4.20.0230.03316.43
5.4.10.0170.04016.46
5.4.00.0300.03715.78
5.3.290.0200.04014.67
5.3.280.0330.04014.58
5.3.270.0230.04014.83
5.3.260.0070.03314.58
5.3.250.0030.03314.68
5.3.240.0000.04014.59
5.3.230.0070.06314.58
5.3.220.0100.03714.56
5.3.210.0100.04714.74
5.3.200.0000.03714.53
5.3.190.0130.03714.53
5.3.180.0000.03714.71
5.3.170.0000.03714.53
5.3.160.0100.02714.55
5.3.150.0030.03314.71
5.3.140.0070.04014.63
5.3.130.0070.06314.52
5.3.120.0030.03314.63
5.3.110.0000.03714.54
5.3.100.0030.03714.12
5.3.90.0030.03013.99
5.3.80.0030.07314.25
5.3.70.0030.06314.06
5.3.60.0030.03314.23
5.3.50.0030.07013.93
5.3.40.0000.03714.04
5.3.30.0030.06013.84
5.3.20.0070.04013.67
5.3.10.0130.03313.84
5.3.00.0130.03313.71
5.2.170.0070.03011.18
5.2.160.0100.03011.18
5.2.150.0100.03011.29
5.2.140.0130.03011.13
5.2.130.0170.03311.24
5.2.120.0170.03011.25
5.2.110.0170.03011.06
5.2.100.0200.04311.13
5.2.90.0200.03011.13
5.2.80.0170.03011.16
5.2.70.0130.03311.07
5.2.60.0230.03011.03
5.2.50.0170.03011.05
5.2.40.0170.03010.96
5.2.30.0170.02310.97
5.2.20.0130.02710.94
5.2.10.0200.02710.88
5.2.00.0170.02310.86
5.1.60.0170.02010.14
5.1.50.0170.04310.07
5.1.40.0200.02710.15
5.1.30.0100.03010.39
5.1.20.0200.02710.53
5.1.10.0130.03710.36
5.1.00.0100.02710.32
5.0.50.0070.0208.68
5.0.40.0170.0138.56
5.0.30.0070.0308.40
5.0.20.0070.0208.34
5.0.10.0100.0178.30
5.0.00.0100.0278.47
4.4.90.0070.0178.09
4.4.80.0030.0178.09
4.4.70.0070.0138.09
4.4.60.0100.0108.09
4.4.50.0070.0178.09
4.4.40.0030.0278.09
4.4.30.0130.0108.09
4.4.20.0100.0308.09
4.4.10.0100.0278.09
4.4.00.0100.0508.09
4.3.110.0100.0208.09
4.3.100.0100.0178.09
4.3.90.0100.0178.09
4.3.80.0100.0338.09
4.3.70.0070.0378.09
4.3.60.0100.0208.09
4.3.50.0100.0338.09
4.3.40.0070.0278.09
4.3.30.0030.0178.09
4.3.20.0070.0138.09
4.3.10.0030.0178.09
4.3.00.0070.0308.09

preferences:
29.16 ms | 401 KiB | 5 Q