3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ ['name' => 'x'], ['name' => 'y'], ]; print_r(array_unique($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)
8.3.60.0070.00716.49
8.3.50.0060.01221.91
8.3.40.0120.00318.61
8.3.30.0110.00718.96
8.3.20.0000.00720.21
8.3.10.0020.00521.77
8.3.00.0060.00319.25
8.2.180.0140.00318.29
8.2.170.0120.00322.96
8.2.160.0130.00320.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00419.54
8.2.110.0120.00619.39
8.2.100.0070.00417.63
8.2.90.0050.00319.22
8.2.80.0000.00817.97
8.2.70.0000.00817.36
8.2.60.0080.00017.76
8.2.50.0030.00618.07
8.2.40.0130.00617.62
8.2.30.0030.00617.94
8.2.20.0000.00717.61
8.2.10.0040.00417.86
8.2.00.0080.00017.56
8.1.280.0160.00325.92
8.1.270.0050.00320.56
8.1.260.0150.00026.35
8.1.250.0080.00028.09
8.1.240.0030.00623.87
8.1.230.0090.00318.72
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00617.11
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0050.00320.37
8.1.160.0000.00721.99
8.1.150.0000.00718.72
8.1.140.0070.00017.29
8.1.130.0070.00017.94
8.1.120.0030.00417.28
8.1.110.0000.00817.36
8.1.100.0030.00417.45
8.1.90.0040.00317.29
8.1.80.0030.00317.46
8.1.70.0070.00017.30
8.1.60.0000.00817.46
8.1.50.0040.00417.36
8.1.40.0000.00717.40
8.1.30.0000.00817.60
8.1.20.0000.00817.55
8.1.10.0050.00217.29
8.1.00.0090.00017.37
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.36
8.0.270.0070.00017.09
8.0.260.0070.00017.12
8.0.250.0000.00616.82
8.0.240.0040.00416.88
8.0.230.0050.00316.84
8.0.220.0030.00316.88
8.0.210.0040.00416.88
8.0.200.0030.00716.93
8.0.190.0040.00416.91
8.0.180.0000.00716.89
8.0.170.0040.00416.79
8.0.160.0040.00416.91
8.0.150.0040.00416.84
8.0.140.0000.00716.87
8.0.130.0030.00313.35
8.0.120.0060.00316.76
8.0.110.0040.00416.86
8.0.100.0050.00216.86
8.0.90.0040.00416.94
8.0.80.0100.01016.86
8.0.70.0000.00716.94
8.0.60.0000.00716.82
8.0.50.0040.00416.81
8.0.30.0130.01217.15
8.0.20.0110.00917.40
8.0.10.0030.00417.05
8.0.00.0090.00916.60
7.4.330.0030.00315.03
7.4.320.0030.00516.43
7.4.300.0030.00316.47
7.4.290.0000.00716.42
7.4.280.0050.00316.42
7.4.270.0000.00716.45
7.4.260.0000.00716.41
7.4.250.0030.00516.48
7.4.240.0060.00216.48
7.4.230.0070.00016.62
7.4.220.0070.01716.50
7.4.210.0120.00616.59
7.4.200.0040.00416.62
7.4.160.0030.01216.36
7.4.150.0090.00917.40
7.4.140.0100.00717.86
7.4.130.0060.01016.56
7.4.120.0100.00716.45
7.4.110.0090.00916.26
7.4.100.0100.01016.48
7.4.90.0030.01316.61
7.4.80.0080.00819.39
7.4.70.0030.01416.39
7.4.60.0060.00916.62
7.4.50.0060.00316.34
7.4.40.0130.00616.49
7.4.30.0040.01816.12
7.4.00.0040.01114.64
7.3.330.0060.00013.01
7.3.320.0120.00013.17
7.3.310.0030.00316.25
7.3.300.0000.00716.18
7.3.290.0050.00916.20
7.3.280.0090.00716.20
7.3.270.0030.01317.40
7.3.260.0130.00316.23
7.3.250.0140.00816.46
7.3.240.0040.01516.17
7.3.230.0120.00916.39
7.3.210.0120.00816.38
7.3.200.0030.01719.39
7.3.190.0040.01216.21
7.3.180.0030.01316.30
7.3.170.0140.00616.29
7.3.160.0090.00916.15
7.3.10.0050.00716.50
7.3.00.0030.01016.55
7.2.330.0130.00316.39
7.2.320.0130.01016.19
7.2.310.0130.00716.51
7.2.300.0060.01016.52
7.2.290.0060.01016.49
7.2.130.0030.01116.63
7.2.120.0090.00416.51
7.2.110.0060.00916.48
7.2.100.0080.00716.45
7.2.90.0050.00516.75
7.2.80.0060.00616.67
7.2.70.0060.00616.60
7.2.60.0050.00616.55
7.2.50.0030.01016.66
7.2.40.0060.00316.43
7.2.30.0040.00916.63
7.2.20.0090.00716.60
7.2.10.0030.00716.57
7.2.00.0050.01117.37
7.1.250.0040.00415.65
7.1.200.0060.00615.75
7.1.100.0030.01317.87
7.1.70.0030.00616.80
7.1.60.0090.01619.50
7.1.50.0000.02216.57
7.1.00.0030.07722.57
7.0.200.0000.00716.68
7.0.140.0030.07322.04
7.0.60.0070.08019.96
7.0.50.0030.07017.72
7.0.40.0000.05320.12
7.0.30.0300.03720.42
7.0.20.0300.08020.30
7.0.10.0370.07020.27
7.0.00.0230.07320.12
5.6.280.0030.07320.81
5.6.210.0030.08020.59
5.6.200.0130.08318.19
5.6.190.0100.08020.60
5.6.180.0300.07320.56
5.6.170.0100.04720.39
5.6.160.0100.05720.44
5.6.150.0030.07718.11
5.6.140.0070.03718.24
5.6.130.0000.05718.15
5.6.120.0100.08320.89
5.6.110.0000.07321.10
5.6.100.0000.04320.98
5.6.90.0170.07320.98
5.6.80.0030.08320.38
5.6.70.0370.06720.41
5.5.350.0230.07320.43
5.5.340.0030.04718.04
5.5.330.0070.08320.13
5.5.320.0100.08320.19
5.5.310.0170.04720.23
5.5.300.0070.08018.00
5.5.290.0070.07317.93
5.5.280.0070.07720.73
5.5.270.0030.08020.87
5.5.260.0030.04020.76
5.5.250.0070.07720.68
5.5.240.0170.06020.34
5.4.450.0630.05019.46
5.4.440.0900.06719.55
5.4.430.0030.06319.16
5.4.420.0700.07019.33
5.4.410.0770.05719.17
5.4.400.0230.06318.47
5.4.390.0330.04718.61
5.4.380.0330.05018.78
5.4.370.0330.05018.75
5.4.360.0300.06018.61
5.4.350.0330.05018.55
5.4.340.0200.06018.56
5.4.320.0300.07318.69
5.4.310.0230.06718.77
5.4.300.0330.04718.62
5.4.290.0330.05018.77
5.4.280.0330.04718.83
5.4.270.0370.07018.61
5.4.260.0270.05318.73
5.4.250.0200.07018.68
5.4.240.0370.04318.53
5.4.230.0230.05318.77
5.4.220.0230.06018.45
5.4.210.0230.06718.82
5.4.200.0400.04316.60
5.4.190.0330.05718.67
5.4.180.0300.05318.74
5.4.170.0200.06318.67
5.4.160.0330.04718.60
5.4.150.0300.05018.71
5.4.140.0170.06316.29
5.4.130.0200.05716.20
5.4.120.0400.07316.29
5.4.110.0270.05016.21
5.4.100.0270.05316.41
5.4.90.0270.06316.20
5.4.80.0230.05316.23
5.4.70.0330.04716.29
5.4.60.0330.04316.39
5.4.50.0230.05316.14
5.4.40.0370.04316.23
5.4.30.0330.04716.34
5.4.20.0300.05316.40
5.4.10.0300.05016.27
5.4.00.0330.05015.70
5.3.290.0330.05314.59
5.3.280.0300.05014.68
5.3.270.0300.05714.61
5.3.260.0400.04314.50
5.3.250.0330.05714.64
5.3.240.0270.05714.64
5.3.230.0230.05714.70
5.3.220.0330.04714.60
5.3.210.0270.05314.52
5.3.200.0230.05314.50
5.3.190.0270.06714.55
5.3.180.0200.05714.54
5.3.170.0370.04714.59
5.3.160.0330.05014.55
5.3.150.0270.05714.55
5.3.140.0270.05314.54
5.3.130.0300.05014.45
5.3.120.0300.05314.63
5.3.110.0300.05314.64
5.3.100.0300.05714.00
5.3.90.0270.05013.98
5.3.80.0300.05313.93
5.3.70.0270.05713.98
5.3.60.0300.05013.93
5.3.50.0230.05314.04
5.3.40.0300.05013.92
5.3.30.0330.04313.89
5.3.20.0200.06313.72
5.3.10.0370.06313.61
5.3.00.0330.04713.59
5.2.170.0230.04711.07
5.2.160.0230.04311.20
5.2.150.0170.04711.19
5.2.140.0130.04711.14
5.2.130.0130.04711.14
5.2.120.0230.03311.16
5.2.110.0230.03711.15
5.2.100.0200.04311.15
5.2.90.0200.04011.04
5.2.80.0230.04311.10
5.2.70.0330.03711.07
5.2.60.0200.04711.11
5.2.50.0200.04011.16
5.2.40.0230.03310.98
5.2.30.0200.04010.95
5.2.20.0170.04010.88
5.2.10.0130.04310.84
5.2.00.0200.04010.77
5.1.60.0200.03310.07
5.1.50.0230.03310.07
5.1.40.0200.0339.95
5.1.30.0200.03710.48
5.1.20.0300.05310.46
5.1.10.0200.05010.13
5.1.00.0130.04010.13
5.0.50.0070.0438.58
5.0.40.0100.0308.43
5.0.30.0170.0378.25
5.0.20.0200.0178.23
5.0.10.0170.0278.29
5.0.00.0100.0478.28
4.4.90.0070.0235.92
4.4.80.0130.0235.81
4.4.70.0070.0235.89
4.4.60.0130.0175.90
4.4.50.0130.0205.91
4.4.40.0130.0435.91
4.4.30.0070.0235.85
4.4.20.0100.0235.95
4.4.10.0130.0175.94
4.4.00.0130.0435.97
4.3.110.0130.0205.80
4.3.100.0100.0205.74
4.3.90.0070.0235.79
4.3.80.0030.0435.91
4.3.70.0070.0235.86
4.3.60.0030.0275.78
4.3.50.0030.0275.81
4.3.40.0070.0375.76
4.3.30.0070.0235.64
4.3.20.0070.0235.64
4.3.10.0030.0275.64
4.3.00.0170.0177.12

preferences:
46.13 ms | 401 KiB | 5 Q