3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = array(1,2,3); $f = array(2,3,4); $c = array_merge($a, $b, $f); $d = array_unique($c); var_dump($d);

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)
8.3.60.0140.00016.63
8.3.50.0040.01221.94
8.3.40.0120.00318.75
8.3.30.0100.00319.00
8.3.20.0040.00420.34
8.3.10.0030.00520.39
8.3.00.0080.00019.13
8.2.180.0180.00316.50
8.2.170.0040.01122.96
8.2.160.0070.00720.52
8.2.150.0070.00024.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0040.00420.97
8.2.110.0100.00720.47
8.2.100.0130.00017.91
8.2.90.0090.00019.05
8.2.80.0090.00017.97
8.2.70.0030.00617.50
8.2.60.0000.00917.91
8.2.50.0090.00018.07
8.2.40.0040.00418.03
8.2.30.0070.00319.44
8.2.20.0000.00717.61
8.2.10.0000.00718.17
8.2.00.0050.00317.66
8.1.280.0070.01325.92
8.1.270.0040.00423.75
8.1.260.0050.00226.35
8.1.250.0080.00028.09
8.1.240.0060.00321.15
8.1.230.0090.00317.83
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0070.00317.11
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0030.00518.39
8.1.160.0000.00821.99
8.1.150.0040.00418.82
8.1.140.0070.00017.37
8.1.130.0000.00717.78
8.1.120.0000.00717.46
8.1.110.0050.00217.34
8.1.100.0030.00317.45
8.1.90.0030.00317.28
8.1.80.0000.00717.39
8.1.70.0000.00817.37
8.1.60.0000.00817.51
8.1.50.0030.00617.42
8.1.40.0040.00417.45
8.1.30.0000.00817.45
8.1.20.0030.00517.54
8.1.10.0030.00517.43
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0030.00318.30
8.0.270.0040.00417.19
8.0.260.0070.00017.19
8.0.250.0030.00316.87
8.0.240.0000.00616.84
8.0.230.0030.00516.89
8.0.220.0060.00016.71
8.0.210.0000.00816.81
8.0.200.0000.00616.86
8.0.190.0030.00316.86
8.0.180.0070.00016.73
8.0.170.0030.00616.86
8.0.160.0000.00716.70
8.0.150.0030.00316.75
8.0.140.0000.00916.76
8.0.130.0070.00013.18
8.0.120.0000.00816.75
8.0.110.0000.00716.74
8.0.100.0040.00416.81
8.0.90.0050.00316.76
8.0.80.0070.01316.84
8.0.70.0000.00716.84
8.0.60.0040.00416.62
8.0.50.0070.00016.77
8.0.30.0100.00917.02
8.0.20.0140.00817.40
8.0.10.0000.00716.99
8.0.00.0130.00616.68
7.4.330.0020.00215.00
7.4.320.0070.00016.46
7.4.300.0060.00016.54
7.4.290.0000.00816.42
7.4.280.0000.01116.44
7.4.270.0030.00316.52
7.4.260.0070.00016.51
7.4.250.0000.00716.50
7.4.240.0040.00316.44
7.4.230.0050.00316.43
7.4.220.0030.01316.46
7.4.210.0100.00716.47
7.4.200.0030.00316.32
7.4.160.0090.00616.60
7.4.150.0150.00417.40
7.4.140.0130.01017.86
7.4.130.0130.00616.42
7.4.120.0100.00916.27
7.4.110.0060.01116.38
7.4.100.0150.00916.32
7.4.90.0050.01316.39
7.4.80.0070.01019.39
7.4.70.0120.00916.15
7.4.60.0100.00616.43
7.4.50.0040.00416.20
7.4.40.0130.00316.50
7.4.30.0180.00416.14
7.4.10.0130.00315.11
7.4.00.0080.00915.02
7.3.330.0000.00512.89
7.3.320.0000.00612.98
7.3.310.0040.00416.18
7.3.300.0000.00616.16
7.3.290.0060.00916.13
7.3.280.0100.00516.13
7.3.270.0080.01117.40
7.3.260.0080.01116.19
7.3.250.0030.01416.31
7.3.240.0100.00716.13
7.3.230.0060.01216.43
7.3.210.0070.01016.08
7.3.200.0090.01219.39
7.3.190.0060.01116.35
7.3.180.0090.01216.36
7.3.170.0060.01116.27
7.3.160.0090.00616.39
7.3.130.0070.01015.11
7.3.120.0150.00415.01
7.3.110.0130.00214.89
7.3.100.0040.00614.99
7.3.90.0050.00714.94
7.3.80.0050.00814.91
7.3.70.0020.00914.76
7.3.60.0060.00714.77
7.3.50.0120.00314.74
7.3.40.0100.00014.95
7.3.30.0080.00514.83
7.3.20.0080.00816.43
7.3.10.0060.00716.49
7.3.00.0120.00216.45
7.2.330.0170.00716.33
7.2.320.0080.00816.59
7.2.310.0080.00816.26
7.2.300.0140.00416.32
7.2.290.0030.01216.58
7.2.260.0090.00915.11
7.2.250.0100.00514.92
7.2.240.0040.01215.04
7.2.230.0070.00714.82
7.2.220.0080.00814.91
7.2.210.0070.00715.10
7.2.200.0030.01014.95
7.2.190.0130.00615.04
7.2.180.0070.01015.10
7.2.170.0020.01114.86
7.2.160.0060.00615.11
7.2.150.0030.00616.79
7.2.140.0070.00716.79
7.2.130.0030.01216.58
7.2.120.0060.01616.88
7.2.110.0070.01316.56
7.2.100.0070.01516.80
7.2.90.0000.01516.59
7.2.80.0090.00316.74
7.2.70.0030.01316.74
7.2.60.0060.00916.69
7.2.50.0030.00816.61
7.2.40.0090.00616.74
7.2.30.0100.01016.89
7.2.20.0080.00816.63
7.2.10.0040.00716.71
7.2.00.0100.00316.64
7.1.330.0020.01315.50
7.1.320.0050.00915.66
7.1.310.0030.00815.85
7.1.300.0100.00515.58
7.1.290.0070.00715.67
7.1.280.0060.00815.69
7.1.270.0070.00715.50
7.1.260.0050.00815.72
7.1.250.0150.00015.72
7.1.240.0150.00315.75
7.1.230.0120.00615.57
7.1.220.0070.00715.79
7.1.210.0030.01215.86
7.1.200.0040.01115.68
7.1.190.0130.00315.80
7.1.180.0030.00715.76
7.1.170.0060.00615.80
7.1.160.0060.01015.44
7.1.150.0050.01015.76
7.1.140.0100.00715.72
7.1.130.0090.00315.65
7.1.120.0070.00715.50
7.1.110.0100.00715.77
7.1.100.0060.00615.81
7.1.90.0070.00415.44
7.1.80.0070.00715.49
7.1.70.0090.00116.52
7.1.60.0050.01117.62
7.1.50.0110.00316.25
7.1.40.0040.01115.88
7.1.30.0060.00615.60
7.1.20.0000.01215.84
7.1.10.0030.01015.70
7.1.00.0110.03719.07
7.0.330.0030.00515.27
7.0.320.0070.00715.35
7.0.310.0030.01015.11
7.0.300.0130.00015.20
7.0.290.0060.00615.17
7.0.280.0160.00315.11
7.0.270.0000.01015.11
7.0.260.0030.00615.11
7.0.250.0070.00715.25
7.0.240.0030.00615.16
7.0.230.0070.00315.11
7.0.220.0030.01015.39
7.0.210.0030.00715.34
7.0.200.0070.00416.02
7.0.190.0060.00315.33
7.0.180.0080.00415.31
7.0.170.0030.01015.11
7.0.160.0000.01115.11
7.0.150.0050.01015.27
7.0.140.0030.04418.62
7.0.130.0090.00915.20
7.0.120.0000.01315.16
7.0.110.0070.01315.25
7.0.100.0030.01615.11
7.0.90.0080.00815.34
7.0.80.0080.00815.29
7.0.70.0060.00615.11
7.0.60.0130.01717.67
7.0.50.0080.02016.72
7.0.40.0040.02517.75
7.0.30.0240.02417.63
7.0.20.0180.04717.70
7.0.10.0230.03717.60
7.0.00.0020.05217.70
5.6.400.0030.00915.11
5.6.390.0060.00915.11
5.6.380.0070.00715.11
5.6.370.0070.00715.11
5.6.360.0030.00615.11
5.6.350.0080.00415.11
5.6.340.0060.00615.11
5.6.330.0060.00615.11
5.6.320.0070.00715.11
5.6.310.0040.01115.11
5.6.300.0060.01215.11
5.6.290.0070.00715.11
5.6.280.0160.03018.11
5.6.270.0030.01415.11
5.6.260.0080.00815.11
5.6.250.0110.00015.11
5.6.240.0140.00015.11
5.6.230.0060.00315.11
5.6.220.0080.00315.11
5.6.210.0050.02317.81
5.6.200.0140.03216.66
5.6.190.0080.04517.85
5.6.180.1440.02017.86
5.6.170.0180.03817.80
5.6.160.0030.02517.75
5.6.150.0140.02316.60
5.6.140.0020.04216.61
5.6.130.0020.02416.59
5.6.120.0130.04018.11
5.6.110.0070.02517.99
5.6.100.0090.03018.04
5.6.90.0150.03818.04
5.6.80.0080.03317.77
5.6.70.0030.01015.11
5.6.60.0080.00415.11
5.6.50.0140.00015.11
5.6.40.0030.01015.11
5.6.30.0070.00715.11
5.6.20.0100.00315.11
5.6.10.0000.01315.11
5.6.00.0090.00615.11
5.5.380.0070.00715.11
5.5.370.0090.00615.11
5.5.360.0090.00415.11
5.5.350.0070.03017.73
5.5.340.0090.03216.52
5.5.330.0020.05117.74
5.5.320.0230.04017.71
5.5.310.0170.04317.68
5.5.300.0080.03916.54
5.5.290.0000.03116.56
5.5.280.0060.04617.93
5.5.270.0070.04617.87
5.5.260.0080.03817.92
5.5.250.0080.04817.84
5.5.240.0100.02317.64
5.5.230.0000.00815.11
5.5.220.0100.00615.11
5.5.210.0070.01015.11
5.5.200.0100.00315.11
5.5.190.0030.01015.11
5.5.180.0070.01015.11
5.5.170.0070.00715.11
5.5.160.0030.00715.11
5.5.150.0090.00315.11
5.5.140.0040.01115.11
5.5.130.0050.00815.11
5.5.120.0050.00815.11
5.5.110.0120.00715.11
5.5.100.0090.00615.11
5.5.90.0090.01215.11
5.5.80.0060.01315.11
5.5.70.0060.01215.11
5.5.60.0030.01415.11
5.5.50.0070.00715.11
5.5.40.0060.00915.11
5.5.30.0090.00315.11
5.5.20.0040.01215.11
5.5.10.0040.00915.11
5.5.00.0090.00415.11
5.4.450.0150.03317.31
5.4.440.0210.03817.36
5.4.430.0530.02317.32
5.4.420.0380.03017.37
5.4.410.0060.03017.16
5.4.400.0360.02617.17
5.4.390.0300.03317.01
5.4.380.0140.03016.89
5.4.370.0150.03116.88
5.4.360.0180.02516.91
5.4.350.0180.02816.88
5.4.340.0090.03616.88
5.4.330.0080.00415.11
5.4.320.0050.02013.78
5.4.310.0060.02313.78
5.4.300.0040.02713.78
5.4.290.0060.02313.78
5.4.280.0070.01913.72
5.4.270.0030.02813.72
5.4.260.0030.02513.72
5.4.250.0060.02313.73
5.4.240.0040.02213.72
5.4.230.0040.02413.72
5.4.220.0080.02513.72
5.4.210.0090.02013.72
5.4.200.0080.02313.72
5.4.190.0050.02313.72
5.4.180.0100.02213.72
5.4.170.0090.01913.72
5.4.160.0040.02313.72
5.4.150.0040.02813.72
5.4.140.0070.02513.56
5.4.130.0120.01613.56
5.4.120.0070.02213.54
5.4.110.0070.02713.53
5.4.100.0100.02113.54
5.4.90.0100.02313.53
5.4.80.0100.02413.54
5.4.70.0080.02713.53
5.4.60.0100.02413.53
5.4.50.0110.02513.53
5.4.40.0090.02213.53
5.4.30.0110.02313.53
5.4.20.0110.01813.52
5.4.10.0100.02013.53
5.4.00.0090.02013.27
5.3.290.0050.05612.80
5.3.280.0070.03812.71
5.3.270.0070.04312.72
5.3.260.0050.04112.72
5.3.250.0050.03812.72
5.3.240.0100.03312.72
5.3.230.0040.04212.71
5.3.220.0060.03812.68
5.3.210.0050.04412.68
5.3.200.0080.03812.68
5.3.190.0040.04012.68
5.3.180.0100.03412.67
5.3.170.0070.04212.67
5.3.160.0040.04212.67
5.3.150.0080.03912.68
5.3.140.0070.03612.66
5.3.130.0060.03812.66
5.3.120.0070.04012.66
5.3.110.0090.05212.66
5.3.100.0110.03812.12
5.3.90.0100.03712.08
5.3.80.0070.03812.07
5.3.70.0060.03812.07
5.3.60.0080.03512.06
5.3.50.0060.03612.00
5.3.40.0060.03712.00
5.3.30.0050.03611.94
5.3.20.0060.04211.72
5.3.10.0100.04011.69
5.3.00.0040.03911.68
5.2.170.0050.0339.18
5.2.160.0070.0349.17
5.2.150.0040.0339.18
5.2.140.0040.0369.17
5.2.130.0070.0309.13
5.2.120.0060.0299.14
5.2.110.0080.0319.14
5.2.100.0070.0299.14
5.2.90.0080.0339.14
5.2.80.0040.0309.13
5.2.70.0070.0279.14
5.2.60.0030.0389.09
5.2.50.0080.0309.06
5.2.40.0070.0419.04
5.2.30.0040.0329.01
5.2.20.0050.0389.00
5.2.10.0050.0318.94
5.2.00.0040.0318.79
5.1.60.0050.0368.08
5.1.50.0050.0318.08
5.1.40.0050.0278.06
5.1.30.0100.0328.41
5.1.20.0070.0318.43
5.1.10.0020.0308.16
5.1.00.0070.0268.16
5.0.50.0030.0246.63
5.0.40.0040.0256.50
5.0.30.0060.0316.30
5.0.20.0040.0196.27
5.0.10.0050.0206.25
5.0.00.0050.0296.24
4.4.90.0040.0154.78
4.4.80.0040.0174.76
4.4.70.0060.0144.75
4.4.60.0020.0174.75
4.4.50.0050.0184.77
4.4.40.0020.0274.71
4.4.30.0050.0144.76
4.4.20.0000.0204.85
4.4.10.0040.0154.85
4.4.00.0030.0254.76
4.3.110.0040.0194.67
4.3.100.0040.0154.67
4.3.90.0060.0144.63
4.3.80.0040.0314.58
4.3.70.0040.0194.63
4.3.60.0030.0184.63
4.3.50.0030.0174.63
4.3.40.0030.0294.54
4.3.30.0040.0183.29
4.3.20.0010.0213.27
4.3.10.0020.0193.23
4.3.00.0130.0136.95

preferences:
48.89 ms | 401 KiB | 5 Q