3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = array( 'foo' => array( 'foo', 'foo' ) ); var_dump(array_map("unserialize", array_unique(array_map("serialize", $input))));

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)
8.3.60.0100.01018.43
8.3.50.0090.00922.74
8.3.40.0110.01118.76
8.3.30.0070.00719.02
8.3.20.0030.00520.18
8.3.10.0040.00420.54
8.3.00.0080.00020.89
8.2.180.0100.01318.02
8.2.170.0000.01522.96
8.2.160.0100.00320.52
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0070.00026.16
8.2.120.0080.00019.36
8.2.110.0090.00020.94
8.2.100.0080.00417.78
8.2.90.0060.00619.02
8.2.80.0040.00419.39
8.2.70.0070.00417.50
8.2.60.0090.00017.55
8.2.50.0060.00318.07
8.2.40.0090.00018.03
8.2.30.0040.00419.43
8.2.20.0100.00017.48
8.2.10.0040.00417.99
8.2.00.0040.00417.54
8.1.280.0120.00425.92
8.1.270.0060.00324.02
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0070.00322.27
8.1.230.0040.00817.42
8.1.220.0050.00318.77
8.1.210.0050.00318.77
8.1.200.0040.00417.00
8.1.190.0040.00417.54
8.1.180.0050.00518.10
8.1.170.0030.00918.48
8.1.160.0040.00418.86
8.1.150.0040.00418.82
8.1.140.0040.00417.36
8.1.130.0000.00717.78
8.1.120.0000.00717.38
8.1.110.0000.00717.30
8.1.100.0070.00017.27
8.1.90.0040.00417.29
8.1.80.0040.00417.27
8.1.70.0040.00417.29
8.1.60.0060.00317.41
8.1.50.0030.00617.48
8.1.40.0030.00617.43
8.1.30.0090.00017.57
8.1.20.0040.00417.42
8.1.10.0060.00317.50
8.1.00.0040.00817.39
8.0.300.0030.00319.87
8.0.290.0060.00317.16
8.0.280.0030.00318.28
8.0.270.0000.00716.81
8.0.260.0000.00617.23
8.0.250.0030.00316.98
8.0.240.0070.00016.84
8.0.230.0000.00616.95
8.0.220.0060.00316.84
8.0.210.0000.00716.75
8.0.200.0000.00616.83
8.0.190.0000.00716.98
8.0.180.0040.00316.88
8.0.170.0040.00416.96
8.0.160.0040.00416.96
8.0.150.0000.00716.76
8.0.140.0000.00816.84
8.0.130.0060.00013.33
8.0.120.0080.00016.88
8.0.110.0070.00016.89
8.0.100.0000.00716.70
8.0.90.0040.00416.75
8.0.80.0060.01516.82
8.0.70.0000.00716.91
8.0.60.0000.00716.89
8.0.50.0040.00416.75
8.0.30.0160.00817.09
8.0.20.0080.01117.40
8.0.10.0000.00716.88
8.0.00.0090.00816.75
7.4.330.0030.00315.09
7.4.320.0030.00316.41
7.4.300.0030.00316.51
7.4.290.0000.00716.29
7.4.280.0070.00316.41
7.4.270.0070.00016.50
7.4.260.0070.00016.50
7.4.250.0070.00016.48
7.4.240.0050.00216.43
7.4.230.0050.00216.48
7.4.220.0170.00016.53
7.4.210.0070.00716.53
7.4.200.0070.00016.43
7.4.160.0060.01016.64
7.4.150.0100.00717.40
7.4.140.0080.01317.86
7.4.130.0070.01016.52
7.4.120.0110.00616.35
7.4.110.0080.00816.50
7.4.100.0040.01516.45
7.4.90.0060.01216.57
7.4.80.0160.00819.39
7.4.70.0100.01316.46
7.4.60.0080.01116.34
7.4.50.0090.00016.54
7.4.40.0090.00916.51
7.4.30.0100.00716.45
7.4.00.0060.00914.73
7.3.330.0050.00013.05
7.3.320.0000.00512.82
7.3.310.0030.00316.19
7.3.300.0040.00416.21
7.3.290.0080.00616.16
7.3.280.0110.00616.13
7.3.270.0110.00617.40
7.3.260.0080.01616.25
7.3.250.0110.00516.32
7.3.240.0000.01816.51
7.3.230.0090.00916.39
7.3.210.0060.01016.48
7.3.200.0060.01119.39
7.3.190.0170.00716.12
7.3.180.0120.00416.18
7.3.170.0080.00816.41
7.3.160.0090.00616.32
7.3.10.0150.00016.20
7.3.00.0110.00016.52
7.2.330.0150.00416.30
7.2.320.0110.00616.50
7.2.310.0090.00916.35
7.2.300.0130.00916.56
7.2.290.0080.00916.62
7.2.130.0130.00316.72
7.2.120.0040.00416.40
7.2.110.0060.00716.45
7.2.100.0060.00616.49
7.2.90.0030.00616.60
7.2.80.0090.00316.38
7.2.70.0030.00916.48
7.2.60.0050.00716.71
7.2.50.0050.00516.42
7.2.40.0030.01316.61
7.2.30.0030.01016.80
7.2.20.0080.00416.89
7.2.10.0030.01316.78
7.2.00.0080.00816.71
7.1.250.0060.00915.65
7.1.200.0090.00415.34
7.1.70.0000.01117.07
7.1.60.0070.01819.34
7.1.50.0100.01316.80
7.1.00.0070.07322.44
7.0.200.0080.00416.69
7.0.140.0030.06722.08
7.0.60.0130.06719.94
7.0.50.0170.07717.79
7.0.40.0070.05320.21
7.0.30.0270.08720.09
7.0.20.0200.05320.21
7.0.10.0270.08020.00
7.0.00.0100.08020.18
5.6.280.0100.06721.12
5.6.210.0030.09020.60
5.6.200.0130.08018.19
5.6.190.0070.05020.41
5.6.180.0000.09020.27
5.6.170.0230.05320.37
5.6.160.0070.05020.71
5.6.150.0130.07318.07
5.6.140.0100.07718.12
5.6.130.0000.08718.08
5.6.120.0070.08320.97
5.6.110.0100.07721.00
5.6.100.0030.08721.02
5.6.90.0030.05721.12
5.6.80.0200.07020.52
5.6.70.4130.03720.37
5.5.350.0070.03720.39
5.5.340.0070.07017.93
5.5.330.0030.04320.19
5.5.320.0070.08320.41
5.5.310.0130.04320.31
5.5.300.0130.07317.89
5.5.290.0030.05017.96
5.5.280.0030.08020.88
5.5.270.0030.08720.79
5.5.260.0100.08320.86
5.5.250.0130.07320.47
5.5.240.0170.05320.23
5.4.450.0400.03337.83
5.4.440.0430.04736.93
5.4.430.0430.04031.18
5.4.420.0470.03729.72
5.4.410.0570.04028.21
5.4.400.0270.03728.00
5.4.390.0500.04727.78
5.4.380.0430.05027.77
5.4.370.0330.03027.77
5.4.360.0130.04327.77
5.4.350.0130.04313.66
5.4.340.0230.03713.64
5.4.320.0270.04314.13
5.4.310.0200.05314.28
5.4.300.0130.05314.12
5.4.290.0200.04014.02
5.4.280.0170.04014.04
5.4.270.0600.04013.96
5.4.260.0130.04314.01
5.4.250.0130.05014.02
5.4.240.0130.05014.08
5.4.230.0230.04014.04
5.4.220.0070.04314.00
5.4.210.0070.05014.00
5.4.200.0200.04714.18
5.4.190.0170.04014.09
5.4.180.0070.05014.07
5.4.170.0100.05014.19
5.4.160.0070.04713.98
5.4.150.0170.04013.99
5.4.140.0130.05013.85
5.4.130.0130.04013.71
5.4.120.0070.05013.72
5.4.110.0130.04713.63
5.4.100.0070.05713.63
5.4.90.0070.05313.69
5.4.80.0100.05713.63
5.4.70.0070.05013.63
5.4.60.0330.06013.75
5.4.50.0130.05713.62
5.4.40.0200.04013.74
5.4.30.0070.03713.74
5.4.20.0100.03313.79
5.4.10.0100.04313.79
5.4.00.0070.05013.07
5.3.290.0230.04714.57
5.3.280.0100.04014.40
5.3.270.0100.05014.46
5.3.260.0370.07014.41
5.3.250.0170.03314.47
5.3.240.0270.03014.58
5.3.230.0100.03314.51
5.3.220.0030.04714.39
5.3.210.0170.03714.43
5.3.200.0230.03714.44
5.3.190.0170.03714.37
5.3.180.0100.03714.50
5.3.170.0070.04314.39
5.3.160.0130.04314.37
5.3.150.0100.04314.36
5.3.140.0030.04314.40
5.3.130.0070.05014.52
5.3.120.0270.03714.46
5.3.110.0030.04314.53
5.3.100.0030.04013.95
5.3.90.0100.04013.81
5.3.80.0070.03713.93
5.3.70.0070.05713.93
5.3.60.0130.04313.86
5.3.50.0030.05313.77
5.3.40.0200.03713.82
5.3.30.0070.04313.83
5.3.20.0100.04313.63
5.3.10.0030.05013.62
5.3.00.0070.04713.48
5.2.170.0100.03711.08
5.2.160.0100.03311.14
5.2.150.0130.03311.00
5.2.140.0070.03311.12
5.2.130.0030.04311.10
5.2.120.0070.03011.18
5.2.110.0070.03010.89
5.2.100.0030.03711.08
5.2.90.0070.03311.13
5.2.80.0070.03710.96
5.2.70.0030.04711.04
5.2.60.0100.04011.08
5.2.50.0000.04310.88
5.2.40.0030.03710.82
5.2.30.0070.03711.00
5.2.20.0070.03010.96
5.2.10.0030.03710.83
5.2.00.0030.03710.70
5.1.60.0100.0309.89
5.1.50.0030.0279.99
5.1.40.0030.0309.84
5.1.30.0170.02010.40
5.1.20.0130.02310.20
5.1.10.0030.02710.07
5.1.00.0030.0309.97
5.0.50.0000.0308.45
5.0.40.0100.0208.32
5.0.30.0000.0408.12
5.0.20.0030.0238.24
5.0.10.0100.0208.07
5.0.00.0030.0338.22
4.4.90.0030.0175.82
4.4.80.0030.0175.84
4.4.70.0000.0235.80
4.4.60.0030.0175.84
4.4.50.0030.0175.86
4.4.40.0000.0305.92
4.4.30.0000.0205.82
4.4.20.0030.0205.86
4.4.10.0100.0135.87
4.4.00.0030.0275.84
4.3.110.0000.0205.81
4.3.100.0000.0205.78
4.3.90.0030.0135.76
4.3.80.0030.0275.71
4.3.70.0000.0175.89
4.3.60.0030.0135.71
4.3.50.0000.0205.80
4.3.40.0000.0335.72
4.3.30.0030.0174.53
4.3.20.0000.0204.63
4.3.10.0000.0174.46
4.3.00.0200.01327.49

preferences:
40.42 ms | 401 KiB | 5 Q