3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array(1, 2, 3, 3); var_dump( array_unique( array_diff_assoc( $array, array_unique( $array ) ) ) );

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)
8.3.60.0090.00616.35
8.3.50.0080.01121.87
8.3.40.0100.00718.59
8.3.30.0100.01018.77
8.3.20.0000.00820.25
8.3.10.0040.00423.48
8.3.00.0040.00419.25
8.2.180.0070.01416.50
8.2.170.0070.00722.96
8.2.160.0090.00620.38
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0140.00026.16
8.2.120.0040.00422.25
8.2.110.0030.00719.39
8.2.100.0120.00017.54
8.2.90.0080.00019.22
8.2.80.0030.00717.97
8.2.70.0040.00417.50
8.2.60.0030.00618.04
8.2.50.0050.00318.07
8.2.40.0000.00718.03
8.2.30.0000.00717.86
8.2.20.0040.00417.66
8.2.10.0070.00017.83
8.2.00.0070.00017.66
8.1.280.0090.00625.92
8.1.270.0120.00622.00
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00022.13
8.1.230.0090.00320.62
8.1.220.0060.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.11
8.1.190.0000.00717.48
8.1.180.0040.00418.10
8.1.170.0000.00718.65
8.1.160.0000.00821.88
8.1.150.0000.00818.43
8.1.140.0070.00017.36
8.1.130.0030.00317.85
8.1.120.0000.00717.34
8.1.110.0040.00417.39
8.1.100.0040.00417.40
8.1.90.0040.00417.39
8.1.80.0030.00317.30
8.1.70.0040.00417.25
8.1.60.0050.00217.54
8.1.50.0030.00517.48
8.1.40.0050.00217.32
8.1.30.0030.00517.38
8.1.20.0060.00317.50
8.1.10.0040.00417.46
8.1.00.0000.00817.32
8.0.300.0080.00018.77
8.0.290.0060.00316.75
8.0.280.0050.00218.38
8.0.270.0040.00417.18
8.0.260.0060.00016.74
8.0.250.0030.00316.91
8.0.240.0100.00016.94
8.0.230.0070.00016.78
8.0.220.0030.00316.82
8.0.210.0000.00716.80
8.0.200.0030.00316.95
8.0.190.0050.00216.94
8.0.180.0040.00416.87
8.0.170.0040.00416.80
8.0.160.0000.00716.88
8.0.150.0040.00416.79
8.0.140.0000.01016.66
8.0.130.0000.00513.20
8.0.120.0000.00716.78
8.0.110.0000.00716.73
8.0.100.0000.00716.83
8.0.90.0000.00716.88
8.0.80.0070.00716.83
8.0.70.0000.00716.68
8.0.60.0000.00716.71
8.0.50.0030.00316.81
8.0.30.0150.00717.03
8.0.20.0110.01217.40
8.0.10.0070.00016.89
8.0.00.0160.00716.70
7.4.330.0000.00615.02
7.4.320.0050.00216.34
7.4.300.0030.00316.52
7.4.290.0040.00716.53
7.4.280.0030.00316.52
7.4.270.0040.00416.41
7.4.260.0030.00316.30
7.4.250.0070.00016.46
7.4.240.0020.00516.43
7.4.230.0070.00016.34
7.4.220.0120.00616.52
7.4.210.0080.00816.51
7.4.200.0030.00316.52
7.4.190.0040.00416.57
7.4.160.0030.01216.36
7.4.150.0100.00717.40
7.4.140.0130.00517.86
7.4.130.0090.00716.45
7.4.120.0100.00616.36
7.4.110.0120.00616.34
7.4.100.0060.01316.46
7.4.90.0170.00016.52
7.4.80.0070.01119.39
7.4.70.0110.00816.32
7.4.60.0100.01016.33
7.4.50.0030.00616.21
7.4.40.0030.00622.77
7.4.30.0070.01016.44
7.4.00.0000.01514.87
7.3.330.0000.00612.86
7.3.320.0000.00612.96
7.3.310.0050.00215.95
7.3.300.0030.00316.17
7.3.290.0090.00616.11
7.3.280.0100.01116.15
7.3.270.0120.00617.40
7.3.260.0180.00616.30
7.3.250.0130.00616.03
7.3.240.0100.00716.46
7.3.230.0120.00316.39
7.3.210.0060.01016.13
7.3.200.0150.00419.39
7.3.190.0120.00916.30
7.3.180.0130.00316.29
7.3.170.0040.01416.30
7.3.160.0120.00916.11
7.3.120.0100.00314.64
7.3.10.0030.01116.38
7.3.00.0000.01516.59
7.2.330.0150.00316.22
7.2.320.0090.00916.52
7.2.310.0090.00916.34
7.2.300.0080.00816.33
7.2.290.0120.00916.41
7.2.130.0000.01516.77
7.2.120.0030.01016.64
7.2.110.0030.00916.56
7.2.100.0150.00016.57
7.2.90.0040.00716.52
7.2.80.0000.01316.69
7.2.70.0070.00716.47
7.2.60.0090.00316.80
7.2.50.0040.00916.64
7.2.40.0040.01116.84
7.2.30.0130.00016.73
7.2.20.0030.01116.70
7.2.10.0110.00316.60
7.2.00.0020.01217.97
7.1.250.0040.01115.57
7.1.200.0000.01315.73
7.1.100.0060.00318.21
7.1.70.0000.00817.09
7.1.60.0180.00719.33
7.1.50.0100.01016.57
7.1.00.0030.07722.40
7.0.200.0070.00716.39
7.0.140.0070.07022.09
7.0.60.0030.04019.92
7.0.50.0030.05317.79
7.0.40.0100.08720.32
7.0.30.0270.04020.20
7.0.20.0230.08320.16
7.0.10.0030.04320.16
7.0.00.0100.08020.17
5.6.280.0070.07020.98
5.6.210.0100.07720.62
5.6.200.0100.08018.16
5.6.190.0170.07320.41
5.6.180.4170.05020.27
5.6.170.0300.03720.41
5.6.160.0070.08720.40
5.6.150.0030.04018.15
5.6.140.0030.04018.20
5.6.130.0030.05018.11
5.6.120.0030.07720.98
5.6.110.0070.08321.11
5.6.100.0130.07320.96
5.6.90.0030.04320.87
5.6.80.0070.08320.38
5.6.70.3300.02020.29
5.5.350.3170.04320.40
5.5.340.0030.08318.00
5.5.330.0100.07720.38
5.5.320.3400.04020.29
5.5.310.0270.07720.15
5.5.300.0030.06317.98
5.5.290.0070.08017.91
5.5.280.0230.04020.88
5.5.270.0030.04020.86
5.5.260.0070.04020.78
5.5.250.0070.04020.65
5.5.240.0370.06020.15
5.4.450.0100.06019.63
5.4.440.0200.05319.51
5.4.430.0170.06019.41
5.4.420.0030.06719.62
5.4.410.0130.07319.34
5.4.400.0200.04719.18
5.4.390.0130.05318.78
5.4.380.0300.06018.50
5.4.370.0230.05718.64
5.4.360.0300.04718.44
5.4.350.0170.05718.71
5.4.340.0200.07318.48
5.4.320.0090.04312.45
5.4.310.0060.03812.45
5.4.300.0050.03812.45
5.4.290.0080.04912.45
5.4.280.0080.03412.34
5.4.270.0050.03812.34
5.4.260.0090.03812.34
5.4.250.0090.04012.34
5.4.240.0060.03512.35
5.4.230.0060.04512.34
5.4.220.0030.04012.34
5.4.210.0070.03412.34
5.4.200.0070.03812.34
5.4.190.0130.05012.34
5.4.180.0160.04312.34
5.4.170.0170.04112.34
5.4.160.0130.04812.34
5.4.150.0130.04712.34
5.4.140.0160.04312.02
5.4.130.0190.04412.01
5.4.120.0150.04211.96
5.4.110.0230.06411.96
5.4.100.0170.04211.96
5.4.90.0180.04011.96
5.4.80.0160.04111.96
5.4.70.0190.03811.96
5.4.60.0100.04611.96
5.4.50.0150.04211.95
5.4.40.0150.04111.94
5.4.30.0180.03911.94
5.4.20.0190.03711.95
5.4.10.0100.04611.94
5.4.00.0140.04111.43
5.3.290.0090.04012.80
5.3.280.0110.05512.71
5.3.270.0180.04212.72
5.3.260.0240.06612.72
5.3.250.0150.04512.72
5.3.240.0170.04312.72
5.3.230.0190.04312.71
5.3.220.0150.04612.68
5.3.210.0180.04412.68
5.3.200.0200.04512.68
5.3.190.0190.04212.68
5.3.180.0130.04912.67
5.3.170.0300.09012.67
5.3.160.0170.04312.67
5.3.150.0210.03912.68
5.3.140.0170.04612.66
5.3.130.0160.04912.66
5.3.120.0110.04912.66
5.3.110.0170.04312.66
5.3.100.0160.04612.12
5.3.90.0160.04312.08
5.3.80.0160.04512.07
5.3.70.0170.04512.07
5.3.60.0160.04712.06
5.3.50.0140.04712.00
5.3.40.0150.04612.00
5.3.30.0210.03911.96
5.3.20.0380.08211.73
5.3.10.0170.04211.69
5.3.00.0130.04511.69
5.2.170.0160.0349.19
5.2.160.0140.0389.18
5.2.150.0210.0349.18
5.2.140.0130.0369.18
5.2.130.0230.0409.14
5.2.120.0370.0739.14
5.2.110.0150.0359.14
5.2.100.0150.0339.14
5.2.90.0150.0349.14
5.2.80.0140.0349.13
5.2.70.0130.0369.13
5.2.60.0150.0359.09
5.2.50.0170.0319.06
5.2.40.0110.0399.04
5.2.30.0100.0389.00
5.2.20.0110.0399.00
5.2.10.0330.0768.93
5.2.00.0110.0388.79
5.1.60.0130.0328.08
5.1.50.0140.0308.07
5.1.40.0130.0318.06
5.1.30.0130.0308.40
5.1.20.0190.0548.43
5.1.10.0180.0278.15
5.1.00.0160.0268.15
5.0.50.0100.0276.63
5.0.40.0080.0276.48
5.0.30.0090.0396.30
5.0.20.0090.0246.27
5.0.10.0110.0216.25
5.0.00.0110.0636.24
4.4.90.0080.0184.78
4.4.80.0110.0214.76
4.4.70.0160.0714.76
4.4.60.0080.0184.75
4.4.50.0110.0154.77
4.4.40.0070.0284.71
4.4.30.0060.0204.76
4.4.20.0050.0214.85
4.4.10.0120.0134.85
4.4.00.0100.0274.76
4.3.110.0170.0684.67
4.3.100.0080.0164.67
4.3.90.0080.0164.63
4.3.80.0080.0264.58
4.3.70.0060.0184.63
4.3.60.0100.0144.63
4.3.50.0090.0154.63
4.3.40.0070.0264.54
4.3.30.0130.0403.29
4.3.20.0040.0193.28
4.3.10.0050.0173.23
4.3.00.0000.0238.71

preferences:
44.19 ms | 401 KiB | 5 Q