3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,2,1,1); $b = array("1"=>1,"2"=>1); echo array_unique($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)
8.3.60.0100.01018.31
8.3.50.0160.00721.89
8.3.40.0040.01118.48
8.3.30.0070.00719.05
8.3.20.0000.00720.27
8.3.10.0040.00422.08
8.3.00.0000.00822.52
8.2.180.0100.00716.50
8.2.170.0070.01022.96
8.2.160.0030.01020.89
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0030.00619.36
8.2.110.0030.00622.16
8.2.100.0050.00519.57
8.2.90.0000.00919.21
8.2.80.0000.00819.66
8.2.70.0060.00317.63
8.2.60.0000.00917.93
8.2.50.0000.00818.07
8.2.40.0090.00018.16
8.2.30.0000.00717.96
8.2.20.0000.00717.56
8.2.10.0000.00819.31
8.2.00.0090.00317.66
8.1.280.0120.00325.92
8.1.270.0030.00622.23
8.1.260.0060.00326.35
8.1.250.0000.00828.09
8.1.240.0000.01118.68
8.1.230.0080.00319.16
8.1.220.0050.00517.74
8.1.210.0030.00518.77
8.1.200.0030.00617.23
8.1.190.0050.00317.39
8.1.180.0080.00018.10
8.1.170.0060.00318.49
8.1.160.0000.00721.93
8.1.150.0000.00718.60
8.1.140.0070.00317.38
8.1.130.0000.00717.87
8.1.120.0030.00517.44
8.1.110.0050.00217.27
8.1.100.0040.00417.36
8.1.90.0050.00217.31
8.1.80.0030.00317.29
8.1.70.0060.00017.34
8.1.60.0050.00317.39
8.1.50.0080.00017.36
8.1.40.0040.00417.42
8.1.30.0050.00317.54
8.1.20.0090.00017.44
8.1.10.0000.00717.37
8.1.00.0020.00517.39
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0040.00418.45
8.0.270.0000.00717.22
8.0.260.0000.00916.91
8.0.250.0070.00017.07
8.0.240.0000.00716.99
8.0.230.0070.00016.82
8.0.220.0050.00316.71
8.0.210.0050.00316.81
8.0.200.0040.00416.91
8.0.190.0000.00716.94
8.0.180.0040.00716.86
8.0.170.0000.00716.80
8.0.160.0090.00016.84
8.0.150.0030.00316.71
8.0.140.0000.00816.82
8.0.130.0000.00513.29
8.0.120.0000.00816.79
8.0.110.0000.00816.93
8.0.100.0040.00416.77
8.0.90.0000.00716.89
8.0.80.0110.00316.88
8.0.70.0000.00716.71
8.0.60.0040.00416.87
8.0.50.0030.00616.76
8.0.30.0120.00917.05
8.0.20.0060.01617.40
8.0.10.0000.00716.88
8.0.00.0130.00516.69
7.4.330.0000.00515.07
7.4.320.0030.00316.56
7.4.300.0000.00616.49
7.4.290.0030.00716.38
7.4.280.0030.00616.32
7.4.270.0070.00016.52
7.4.260.0030.00316.50
7.4.250.0040.00416.41
7.4.240.0070.00016.49
7.4.230.0000.00716.55
7.4.220.0090.00916.50
7.4.210.0130.00716.55
7.4.200.0040.00416.59
7.4.190.0030.00316.29
7.4.160.0030.01216.33
7.4.150.0040.01317.40
7.4.140.0110.01117.86
7.4.130.0120.00516.47
7.4.120.0050.01216.34
7.4.110.0070.01016.50
7.4.100.0120.00616.38
7.4.90.0120.00616.25
7.4.80.0030.01319.39
7.4.70.0200.00016.25
7.4.60.0060.01216.41
7.4.50.0040.00416.28
7.4.40.0000.01222.77
7.4.30.0030.01316.65
7.4.00.0070.00315.13
7.3.330.0000.00513.11
7.3.320.0030.00313.08
7.3.310.0030.00316.13
7.3.300.0040.00416.16
7.3.290.0000.01516.18
7.3.280.0070.00916.21
7.3.270.0090.01517.40
7.3.260.0090.00916.45
7.3.250.0070.01216.28
7.3.240.0060.01216.19
7.3.230.0140.00516.41
7.3.210.0070.01116.37
7.3.200.0140.00919.39
7.3.190.0060.00916.10
7.3.180.0100.00716.29
7.3.170.0120.00416.36
7.3.160.0110.00516.23
7.3.120.0090.00614.72
7.3.110.0150.00014.32
7.3.100.0070.00714.77
7.3.90.0090.00014.91
7.3.80.0060.00614.91
7.3.70.0040.01114.65
7.3.60.0000.01514.46
7.3.50.0090.00314.56
7.3.40.0060.00614.34
7.3.30.0030.01214.52
7.3.20.0110.00416.66
7.3.10.0070.00416.54
7.3.00.0030.00716.27
7.2.330.0060.01616.38
7.2.320.0030.01616.57
7.2.310.0070.01416.67
7.2.300.0030.01316.32
7.2.290.0100.01316.36
7.2.240.0030.01315.07
7.2.230.0100.00314.84
7.2.220.0090.00314.77
7.2.210.0070.00715.16
7.2.200.0030.01414.95
7.2.190.0030.01014.85
7.2.180.0140.00015.10
7.2.170.0000.01614.64
7.2.160.0030.01115.07
7.2.150.0000.01316.46
7.2.140.0070.00716.51
7.2.130.0090.00616.85
7.2.120.0090.00916.72
7.2.110.0040.01416.91
7.2.100.0070.01016.49
7.2.90.0060.00916.90
7.2.80.0030.01017.00
7.2.70.0060.00616.51
7.2.60.0110.00316.89
7.2.50.0070.00716.86
7.2.40.0060.00316.46
7.2.30.0040.01116.82
7.2.20.0070.00716.24
7.2.10.0090.00616.56
7.2.00.0050.00718.08
7.1.330.0030.00615.55
7.1.320.0030.01315.80
7.1.310.0090.00615.72
7.1.300.0070.00715.75
7.1.290.0000.01315.77
7.1.280.0040.00415.42
7.1.270.0040.00715.64
7.1.260.0060.00615.53
7.1.250.0030.00915.92
7.1.100.0040.00418.07
7.1.70.0030.00717.16
7.1.60.0130.01319.82
7.1.50.0040.01916.73
7.1.00.0000.07722.45
7.0.200.0050.00216.79
7.0.140.0030.07721.96
7.0.60.0100.07319.90
7.0.50.0070.05717.80
7.0.40.0030.04319.96
7.0.30.0330.07320.16
7.0.20.0200.06320.13
7.0.10.0270.07020.16
7.0.00.0000.05020.33
5.6.280.0100.06720.86
5.6.210.0100.07720.74
5.6.200.0070.08018.08
5.6.190.0100.08320.73
5.6.180.3530.03720.56
5.6.170.0170.05020.38
5.6.160.0030.06020.37
5.6.150.0030.05718.15
5.6.140.0070.08318.12
5.6.130.0000.08018.20
5.6.120.0130.08021.09
5.6.110.0100.08021.08
5.6.100.0170.07721.00
5.6.90.0030.09020.96
5.6.80.0070.08020.50
5.6.70.0330.07020.49
5.5.350.0000.05020.46
5.5.340.0070.08318.02
5.5.330.0000.05020.41
5.5.320.0370.05320.28
5.5.310.0300.07320.30
5.5.300.0170.06317.88
5.5.290.0000.04717.96
5.5.280.0030.04720.87
5.5.270.0100.04720.64
5.5.260.0070.07720.85
5.5.250.0000.04320.65
5.5.240.0100.08020.27
5.4.450.0230.04319.41
5.4.440.0300.04719.45
5.4.430.1270.00019.44
5.4.420.0700.00019.55
5.4.410.0030.06718.97
5.4.400.0170.04318.73
5.4.390.0170.04718.59
5.4.380.0330.04318.70
5.4.370.0170.05018.72
5.4.360.0200.05018.51
5.4.350.0230.04718.50
5.4.340.0170.05018.46
5.4.320.0040.03812.45
5.4.310.0070.04112.45
5.4.300.0050.03712.45
5.4.290.0050.03812.45
5.4.280.0040.03712.34
5.4.270.0060.03612.35
5.4.260.0070.03512.34
5.4.250.0050.04012.34
5.4.240.0070.03412.34
5.4.230.0030.03912.34
5.4.220.0070.03812.34
5.4.210.0030.04812.34
5.4.200.0030.04112.34
5.4.190.0160.04112.31
5.4.180.0130.04612.31
5.4.170.0170.04312.33
5.4.160.0150.05412.32
5.4.150.0150.04412.31
5.4.140.0190.04012.00
5.4.130.0180.04311.99
5.4.120.0130.04411.95
5.4.110.0160.04311.94
5.4.100.0160.04211.94
5.4.90.0290.05811.94
5.4.80.0140.04311.94
5.4.70.0140.04211.93
5.4.60.0210.04011.94
5.4.50.0210.04211.94
5.4.40.0130.04311.93
5.4.30.0140.04311.92
5.4.20.0150.07011.92
5.4.10.0170.04311.92
5.4.00.0140.04311.41
5.3.290.0040.04112.80
5.3.280.0110.03412.71
5.3.270.0130.04812.72
5.3.260.0150.04512.72
5.3.250.0200.07012.72
5.3.240.0150.04412.72
5.3.230.0220.04512.71
5.3.220.0240.06612.68
5.3.210.0160.04312.68
5.3.200.0130.04712.68
5.3.190.0210.04112.68
5.3.180.0130.04812.68
5.3.170.0370.08312.67
5.3.160.0160.04412.67
5.3.150.0310.09012.67
5.3.140.0360.08812.66
5.3.130.0260.09612.66
5.3.120.0340.08612.66
5.3.110.0200.04512.66
5.3.100.0160.04312.11
5.3.90.0260.12212.08
5.3.80.0170.04212.08
5.3.70.0150.04512.07
5.3.60.0140.04512.06
5.3.50.0330.09312.00
5.3.40.0160.04512.00
5.3.30.0160.04211.94
5.3.20.0180.04211.71
5.3.10.0390.08111.67
5.3.00.0150.04211.66
5.2.170.0140.0359.16
5.2.160.0120.0399.16
5.2.150.0140.0349.16
5.2.140.0330.0789.16
5.2.130.0150.0349.12
5.2.120.0350.0749.12
5.2.110.0160.0369.13
5.2.100.0570.0359.12
5.2.90.0160.0349.11
5.2.80.0390.0719.11
5.2.70.0260.0869.11
5.2.60.0060.0449.07
5.2.50.0130.0359.04
5.2.40.0150.0319.01
5.2.30.0210.0568.98
5.2.20.0180.0618.97
5.2.10.0130.0348.91
5.2.00.0170.0388.76
5.1.60.0320.0688.05
5.1.50.0100.0308.05
5.1.40.0120.0278.04
5.1.30.0090.0338.38
5.1.20.0110.0318.41
5.1.10.0090.0328.13
5.1.00.0430.0338.13
5.0.50.0110.0236.61
5.0.40.0100.0226.47
5.0.30.0140.0326.29
5.0.20.0130.0196.25
5.0.10.0080.0236.22
5.0.00.0240.0806.22
4.4.90.0070.0184.78
4.4.80.0190.0664.76
4.4.70.0080.0174.75
4.4.60.0080.0174.75
4.4.50.0060.0204.77
4.4.40.0110.0254.71
4.4.30.0100.0164.76
4.4.20.0080.0184.85
4.4.10.0050.0204.85
4.4.00.0750.0194.76
4.3.110.0080.0164.67
4.3.100.0100.0164.66
4.3.90.0090.0144.63
4.3.80.0250.0134.59
4.3.70.0090.0164.63
4.3.60.0090.0174.63
4.3.50.0060.0194.63
4.3.40.0190.0794.54
4.3.30.0080.0513.29
4.3.20.0070.0183.27
4.3.10.0040.0223.23
4.3.00.0000.01315.60

preferences:
43.66 ms | 401 KiB | 5 Q