3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array( "foo" => array("bar" => "foobar") ); var_dump(array_unique($arr));

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)
8.3.60.0140.00018.25
8.3.50.0110.00621.91
8.3.40.0120.00318.42
8.3.30.0070.00718.96
8.3.20.0070.00020.10
8.3.10.0040.00422.13
8.3.00.0040.00422.43
8.2.180.0120.00616.63
8.2.170.0040.01122.96
8.2.160.0070.00720.77
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00319.36
8.2.110.0090.00022.12
8.2.100.0060.00617.78
8.2.90.0000.00719.09
8.2.80.0040.00417.97
8.2.70.0050.00317.50
8.2.60.0000.00917.92
8.2.50.0030.00518.07
8.2.40.0000.00818.22
8.2.30.0080.00018.00
8.2.20.0070.00017.51
8.2.10.0050.00217.42
8.2.00.0040.00417.51
8.1.280.0040.01125.92
8.1.270.0040.00423.84
8.1.260.0030.00526.35
8.1.250.0000.00728.09
8.1.240.0030.00723.86
8.1.230.0040.00719.16
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0080.00017.30
8.1.180.0030.00618.10
8.1.170.0030.00518.50
8.1.160.0030.00521.98
8.1.150.0070.00018.43
8.1.140.0040.00417.28
8.1.130.0030.00317.92
8.1.120.0040.00417.30
8.1.110.0040.00417.43
8.1.100.0000.00717.25
8.1.90.0040.00417.45
8.1.80.0000.00817.33
8.1.70.0000.00717.34
8.1.60.0000.00817.50
8.1.50.0000.00717.29
8.1.40.0030.00617.39
8.1.30.0040.00417.54
8.1.20.0050.00317.62
8.1.10.0000.00817.34
8.1.00.0040.00417.36
8.0.300.0000.00818.77
8.0.290.0000.00817.04
8.0.280.0070.00018.24
8.0.270.0030.00317.17
8.0.260.0080.00016.80
8.0.250.0060.00016.78
8.0.240.0050.00516.91
8.0.230.0020.00516.84
8.0.220.0040.00416.77
8.0.210.0030.00316.77
8.0.200.0060.00016.88
8.0.190.0000.00816.80
8.0.180.0070.00016.85
8.0.170.0040.00416.84
8.0.160.0000.00816.75
8.0.150.0000.00716.78
8.0.140.0040.00416.78
8.0.130.0000.00513.16
8.0.120.0050.00316.81
8.0.110.0070.00016.88
8.0.100.0040.00416.71
8.0.90.0000.00716.68
8.0.80.0030.01316.77
8.0.70.0030.00516.66
8.0.60.0050.00216.68
8.0.50.0020.00516.88
8.0.30.0130.00616.85
8.0.20.0120.00617.40
8.0.10.0070.00016.82
8.0.00.0090.00916.65
7.4.330.0050.00015.13
7.4.320.0000.00616.52
7.4.300.0030.00316.41
7.4.290.0030.00316.41
7.4.280.0030.00316.43
7.4.270.0030.00316.43
7.4.260.0030.00716.46
7.4.250.0030.00616.45
7.4.240.0010.00616.53
7.4.230.0000.00716.50
7.4.220.0070.01016.42
7.4.210.0080.00816.47
7.4.200.0070.00016.54
7.4.190.0030.00316.52
7.4.160.0070.01016.28
7.4.150.0090.00917.40
7.4.140.0090.01617.86
7.4.130.0070.00916.34
7.4.120.0120.00616.47
7.4.110.0040.01416.51
7.4.100.0070.01116.44
7.4.90.0060.01516.49
7.4.80.0030.01816.52
7.4.70.0090.00916.30
7.4.60.0080.00816.55
7.4.50.0060.00316.50
7.4.40.0110.00722.77
7.4.30.0120.00316.48
7.4.00.0060.01114.85
7.3.330.0020.00212.97
7.3.320.0020.00212.99
7.3.310.0070.00016.13
7.3.300.0000.00716.04
7.3.290.0070.01016.14
7.3.280.0080.01016.16
7.3.270.0090.00917.40
7.3.260.0180.00016.46
7.3.250.0100.00716.28
7.3.240.0140.00916.15
7.3.230.0100.00816.39
7.3.210.0190.00416.16
7.3.200.0140.00319.39
7.3.190.0100.01016.30
7.3.180.0130.00316.44
7.3.170.0090.00616.27
7.3.160.0130.00316.36
7.3.120.0060.01214.74
7.3.110.0060.01114.71
7.3.100.0070.00914.81
7.3.90.0050.01114.43
7.3.80.0040.01114.65
7.3.70.0080.00214.54
7.3.60.0080.00414.60
7.3.50.0090.00714.64
7.3.40.0120.00514.56
7.3.30.0070.00714.63
7.3.20.0110.00316.34
7.3.10.0050.00816.52
7.3.00.0080.00516.34
7.2.330.0110.00716.42
7.2.320.0090.00916.34
7.2.310.0100.00716.13
7.2.300.0070.01016.23
7.2.290.0100.00616.55
7.2.250.0070.01014.93
7.2.240.0070.01414.54
7.2.230.0090.00614.92
7.2.220.0090.00814.68
7.2.210.0040.01414.86
7.2.200.0060.00415.00
7.2.190.0030.01114.82
7.2.180.0070.01214.83
7.2.170.0070.01114.88
7.2.00.0060.00619.18
7.1.330.0020.01115.73
7.1.320.0120.00215.74
7.1.310.0100.00615.93
7.1.300.0100.00315.70
7.1.290.0040.00615.73
7.1.280.0100.00615.79
7.1.270.0060.00715.72
7.1.260.0090.00715.45
7.1.100.0060.00618.11
7.1.70.0070.00316.82
7.1.60.0060.01619.82
7.1.50.0070.01716.52
7.1.00.0070.07322.51
7.0.200.0070.00716.72
7.0.140.0070.08722.01
7.0.60.0070.07319.91
7.0.50.0100.07317.82
7.0.40.0030.09020.05
7.0.30.0330.04320.01
7.0.20.0170.04320.09
7.0.10.0230.08320.11
7.0.00.0070.09020.01
5.6.280.0000.07320.86
5.6.210.0200.06720.50
5.6.200.0100.08318.16
5.6.190.0000.07320.43
5.6.180.3600.04720.39
5.6.170.0430.06020.38
5.6.160.0030.08720.54
5.6.150.0000.04318.11
5.6.140.0170.07018.18
5.6.130.0100.07718.21
5.6.120.0070.08321.13
5.6.110.0130.07721.10
5.6.100.0130.07021.03
5.6.90.0130.07321.09
5.6.80.0070.03720.43
5.6.70.0170.03320.52
5.5.350.0030.05320.39
5.5.340.0170.07717.97
5.5.330.0100.07720.38
5.5.320.0200.04720.25
5.5.310.0200.04720.20
5.5.300.0030.04717.94
5.5.290.0070.08317.95
5.5.280.0030.08320.79
5.5.270.0070.04320.87
5.5.260.0070.06020.61
5.5.250.0030.05020.61
5.5.240.0100.06020.27
5.4.450.0130.04319.26
5.4.440.0200.04719.54
5.4.430.0200.03719.40
5.4.420.0230.07019.22
5.4.410.0130.04019.26
5.4.400.0130.04018.92
5.4.390.0270.04018.93
5.4.380.0270.04719.03
5.4.370.0200.03718.96
5.4.360.0230.03319.09
5.4.350.0270.03019.09
5.4.340.0230.03718.95
5.4.320.0200.04718.81
5.4.310.0170.04019.06
5.4.300.0130.05719.15
5.4.290.0270.03718.80
5.4.280.0200.04019.06
5.4.270.0170.04019.13
5.4.260.0230.03319.24
5.4.250.0200.03719.05
5.4.240.0270.03019.12
5.4.230.0270.03019.13
5.4.220.0230.03718.80
5.4.210.0270.04319.21
5.4.200.0300.04719.08
5.4.190.0300.02719.15
5.4.180.0200.04018.91
5.4.170.0130.04319.07
5.4.160.0200.03318.75
5.4.150.0130.04019.07
5.4.140.0300.04016.27
5.4.130.0200.03716.26
5.4.120.0170.03716.34
5.4.110.0170.05316.42
5.4.100.0230.03716.50
5.4.90.0270.03716.18
5.4.80.0170.04016.38
5.4.70.0230.05316.16
5.4.60.0270.03316.40
5.4.50.0170.04716.47
5.4.40.0170.04316.46
5.4.30.0230.06316.40
5.4.20.0230.06316.43
5.4.10.0300.06716.43
5.4.00.0230.07015.89
5.3.290.0300.07014.56
5.3.280.0270.04314.44
5.3.270.0230.03714.55
5.3.260.0300.04314.70
5.3.250.0170.05314.54
5.3.240.0300.07314.69
5.3.230.0330.04014.46
5.3.220.0370.05014.61
5.3.210.0230.04314.54
5.3.200.0270.07014.40
5.3.190.0300.05314.51
5.3.180.0370.06014.41
5.3.170.0330.06014.57
5.3.160.0300.03314.50
5.3.150.0270.07714.39
5.3.140.0270.07014.64
5.3.130.0230.05014.38
5.3.120.0270.08014.48
5.3.110.0370.06314.40
5.3.100.0270.04713.88
5.3.90.0330.05013.86
5.3.80.0200.04013.86
5.3.70.0230.04713.95
5.3.60.0270.06314.12
5.3.50.0330.04013.88
5.3.40.0330.06313.72
5.3.30.0200.05013.70
5.3.20.0300.03013.55
5.3.10.0330.04313.45
5.3.00.0270.04313.51
5.2.170.0270.05711.16
5.2.160.0470.05711.01
5.2.150.0170.05711.16
5.2.140.0170.05711.29
5.2.130.0470.04710.95
5.2.120.0170.06011.26
5.2.110.0130.03010.96
5.2.100.0230.05311.11
5.2.90.0170.04710.89
5.2.80.0130.04310.93
5.2.70.0200.05710.93
5.2.60.0200.03710.89
5.2.50.0200.06010.87
5.2.40.0170.02710.93
5.2.30.0200.03311.04
5.2.20.0200.05710.77
5.2.10.0130.04311.02
5.2.00.0130.03710.67
5.1.60.0170.02010.13
5.1.50.0170.05310.13
5.1.40.0170.02710.13
5.1.30.0130.06010.30
5.1.20.0370.04710.25
5.1.10.0130.04010.13
5.1.00.0130.05310.13
5.0.50.0100.02710.13
5.0.40.0130.04010.13
5.0.30.0030.06310.13
5.0.20.0100.04010.13
5.0.10.0170.02010.13
5.0.00.0130.05710.13
4.4.90.0070.02710.13
4.4.80.0100.03310.13
4.4.70.0070.01310.13
4.4.60.0100.03310.13
4.4.50.0100.02010.13
4.4.40.0130.04310.13
4.4.30.0130.03010.13
4.4.20.0070.03710.13
4.4.10.0100.01710.13
4.4.00.0100.03010.13
4.3.110.0070.03710.13
4.3.100.0100.01710.13
4.3.90.0070.01310.13
4.3.80.0070.03310.13
4.3.70.0100.03010.13
4.3.60.0070.03010.13
4.3.50.0130.03010.13
4.3.40.0100.03010.13
4.3.30.0070.03310.13
4.3.20.0070.03010.13
4.3.10.0030.04010.13
4.3.00.0030.02310.13

preferences:
53.98 ms | 401 KiB | 5 Q