3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [['type' => 'a', 'label' => 'b'], ['type' => 'a', 'label' => 'b']]; var_dump(array_unique($a));

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)
8.3.60.0140.00418.30
8.3.50.0070.01317.90
8.3.40.0070.00718.58
8.3.30.0060.00918.69
8.3.20.0050.00321.73
8.3.10.0080.00020.21
8.3.00.0050.00320.74
8.2.180.0110.00816.38
8.2.170.0150.00022.96
8.2.160.0130.00020.35
8.2.150.0140.00324.18
8.2.140.0000.00824.66
8.2.130.0070.00020.39
8.2.120.0040.00426.35
8.2.110.0070.00320.89
8.2.100.0170.00017.71
8.2.90.0080.00019.08
8.2.80.0040.00417.97
8.2.70.0000.00917.38
8.2.60.0030.00617.91
8.2.50.0090.00018.10
8.2.40.0030.00520.47
8.2.30.0000.00720.35
8.2.20.0000.00717.84
8.2.10.0000.00817.85
8.2.00.0000.00818.12
8.1.280.0100.00725.92
8.1.270.0070.00023.79
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.92
8.1.230.0000.01217.77
8.1.220.0090.00017.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0090.00019.01
8.1.180.0040.00418.10
8.1.170.0030.00618.46
8.1.160.0040.00418.82
8.1.150.0040.00420.31
8.1.140.0000.00819.56
8.1.130.0000.00718.91
8.1.120.0070.00317.46
8.1.110.0040.00417.29
8.1.100.0040.00417.36
8.1.90.0000.00717.43
8.1.80.0040.00417.39
8.1.70.0000.00717.39
8.1.60.0040.00417.47
8.1.50.0080.00017.37
8.1.40.0040.00417.46
8.1.30.0040.00417.60
8.1.20.0040.00417.46
8.1.10.0030.00517.48
8.1.00.0080.00017.30
8.0.300.0000.00718.77
8.0.290.0040.00416.58
8.0.280.0030.00318.37
8.0.270.0050.00217.05
8.0.260.0030.00317.09
8.0.250.0070.00016.95
8.0.240.0000.00716.84
8.0.230.0040.00416.93
8.0.220.0040.00416.77
8.0.210.0000.00716.75
8.0.200.0040.00416.95
8.0.190.0000.00816.92
8.0.180.0040.00416.79
8.0.170.0040.00416.83
8.0.160.0070.00416.88
8.0.150.0000.00716.84
8.0.140.0060.00316.91
8.0.130.0000.00613.27
8.0.120.0030.00516.68
8.0.110.0000.00716.71
8.0.100.0040.00416.69
8.0.90.0070.00016.77
8.0.80.0060.01216.78
8.0.70.0000.00716.78
8.0.60.0000.00716.94
8.0.50.0000.00716.73
8.0.30.0110.00817.07
8.0.20.0150.00517.40
8.0.10.0040.00416.86
8.0.00.0120.01116.83
7.4.330.0000.00515.55
7.4.320.0030.00316.55
7.4.300.0070.00016.32
7.4.290.0040.00416.40
7.4.280.0070.00016.53
7.4.270.0030.00316.54
7.4.260.0100.00016.48
7.4.250.0040.00416.38
7.4.240.0030.00316.55
7.4.230.0000.00716.60
7.4.220.0070.01116.48
7.4.210.0110.00816.47
7.4.200.0040.00416.43
7.4.160.0060.00916.38
7.4.150.0250.02317.40
7.4.140.0080.01317.86
7.4.130.0090.01016.41
7.4.120.0090.00816.31
7.4.110.0120.01216.50
7.4.100.0090.00916.43
7.4.90.0090.00916.40
7.4.80.0120.00819.39
7.4.70.0090.00916.53
7.4.60.0130.00316.30
7.4.50.0100.00316.55
7.4.40.0120.00416.55
7.4.30.0100.00616.37
7.4.00.0030.00914.95
7.3.330.0030.00313.02
7.3.320.0000.00512.98
7.3.310.0000.00716.28
7.3.300.0020.00716.21
7.3.290.0030.00316.18
7.3.280.0070.01116.17
7.3.270.0070.01017.40
7.3.260.0090.01116.32
7.3.250.0130.00616.14
7.3.240.0150.00216.28
7.3.230.0110.00716.46
7.3.210.0160.00016.19
7.3.200.0090.00616.35
7.3.190.0050.01116.44
7.3.180.0150.00816.21
7.3.170.0050.01116.21
7.3.160.0090.00916.29
7.2.330.0070.01016.53
7.2.320.0040.01216.49
7.2.310.0120.00316.52
7.2.300.0050.01516.32
7.2.290.0060.01216.51
7.2.80.0000.01116.26
7.2.60.0100.00616.71
7.2.00.0040.01119.07
7.1.200.0070.00715.49
7.1.70.0060.00617.05
7.1.60.0110.00817.20
7.1.50.0060.01517.02
7.1.20.0300.08038.54
7.1.10.0230.07320.25
7.1.00.2770.05720.65
7.0.200.0110.00616.82
7.0.160.0130.07021.89
7.0.150.0070.08720.07
7.0.140.0130.07320.02
7.0.130.2470.07020.15
7.0.120.0130.06320.20
7.0.110.1870.07020.13
7.0.100.2200.05020.09
7.0.90.2300.06320.11
7.0.80.0100.06321.91
7.0.70.2300.08320.07
7.0.60.1570.06320.13
7.0.50.1000.07020.13
7.0.40.0970.05720.11
7.0.30.1070.05720.20
7.0.20.1100.06020.21
7.0.10.1600.07019.98
7.0.00.1930.07320.05

preferences:
59.45 ms | 401 KiB | 5 Q