3v4l.org

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

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)
8.3.60.0140.00018.05
8.3.50.0070.00716.30
8.3.40.0170.00318.50
8.3.30.0090.00618.42
8.3.20.0000.00720.07
8.3.10.0050.00321.77
8.3.00.0040.00420.73
8.2.180.0060.00918.04
8.2.170.0110.00422.96
8.2.160.0100.00322.26
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00020.58
8.2.120.0080.00026.35
8.2.110.0030.00620.54
8.2.100.0080.00317.91
8.2.90.0040.00419.09
8.2.80.0000.00917.97
8.2.70.0070.00317.50
8.2.60.0050.00317.68
8.2.50.0040.00418.10
8.2.40.0030.00522.32
8.2.30.0080.00021.04
8.2.20.0040.00417.92
8.2.10.0050.00317.86
8.2.00.0000.00817.88
8.1.280.0000.01425.92
8.1.270.0000.00822.24
8.1.260.0090.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00320.81
8.1.230.0000.01119.04
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00617.35
8.1.190.0050.00317.22
8.1.180.0060.00318.10
8.1.170.0040.00418.56
8.1.160.0020.00519.10
8.1.150.0040.00418.91
8.1.140.0050.00219.50
8.1.130.0000.00718.76
8.1.120.0060.00317.46
8.1.110.0000.00717.41
8.1.100.0030.00517.38
8.1.90.0080.00317.41
8.1.80.0050.00217.39
8.1.70.0030.00317.29
8.1.60.0040.00417.39
8.1.50.0080.00017.35
8.1.40.0090.00017.44
8.1.30.0040.00417.50
8.1.20.0040.00417.46
8.1.10.0040.00417.48
8.1.00.0000.00817.25
8.0.300.0070.00018.77
8.0.290.0040.00416.63
8.0.280.0030.00318.24
8.0.270.0000.00717.26
8.0.260.0060.00016.78
8.0.250.0060.00016.81
8.0.240.0030.00316.73
8.0.230.0030.00316.93
8.0.220.0040.00416.83
8.0.210.0050.00316.86
8.0.200.0000.00716.87
8.0.190.0000.00816.80
8.0.180.0030.00516.79
8.0.170.0070.00016.88
8.0.160.0000.00716.80
8.0.150.0000.00716.75
8.0.140.0000.00716.69
8.0.130.0030.00313.25
8.0.120.0000.00716.71
8.0.110.0030.00416.73
8.0.100.0080.00016.61
8.0.90.0030.00416.84
8.0.80.0080.00916.81
8.0.70.0030.00316.88
8.0.60.0040.00416.84
8.0.50.0070.00016.72
8.0.30.0130.00817.01
8.0.20.0090.01217.40
8.0.10.0040.00416.79
8.0.00.0190.00016.39
7.4.330.0020.00215.55
7.4.320.0030.00316.38
7.4.300.0000.00716.53
7.4.290.0040.00416.54
7.4.280.0000.00716.53
7.4.270.0070.00016.53
7.4.260.0050.00516.40
7.4.250.0030.00316.40
7.4.240.0000.00716.45
7.4.230.0020.00516.34
7.4.220.0110.00716.39
7.4.210.0110.00316.42
7.4.200.0000.00716.55
7.4.160.0020.01316.33
7.4.150.0070.01717.40
7.4.140.0130.00917.86
7.4.130.0150.00416.44
7.4.120.0120.01116.42
7.3.330.0000.00513.07
7.3.320.0020.00212.93
7.3.310.0000.00715.97
7.3.300.0030.00316.04
7.3.290.0070.01016.13
7.3.280.0080.00716.15
7.3.270.0180.01917.40
7.3.260.0070.01216.34
7.3.250.0130.00616.29
7.3.240.0130.00616.26
7.1.30.0370.02032.50

preferences:
35.43 ms | 401 KiB | 5 Q