3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(array(1),2,3); $b = array(1,2,3); $f = array(2,3,4); $c = array_merge($a, $b, $f); var_dump($c); $d = array_unique(array(array(1,2,3), array(2,3,4))); var_dump($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)
8.3.60.0100.01016.50
8.3.50.0080.01021.98
8.3.40.0080.00618.67
8.3.30.0070.00718.73
8.3.20.0050.00220.34
8.3.10.0030.00620.48
8.3.00.0080.00019.25
8.2.180.0150.00716.63
8.2.170.0140.00022.96
8.2.160.0140.00320.50
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00421.16
8.2.110.0070.00422.30
8.2.100.0090.00317.91
8.2.90.0050.00318.03
8.2.80.0030.00617.97
8.2.70.0030.00617.90
8.2.60.0000.00918.03
8.2.50.0000.00918.10
8.2.40.0030.00520.86
8.2.30.0030.00320.54
8.2.20.0040.00417.61
8.2.10.0000.00718.03
8.2.00.0040.00417.66
8.1.280.0120.00625.92
8.1.270.0090.00023.96
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0100.00722.09
8.1.230.0120.00021.03
8.1.220.0040.00417.74
8.1.210.0000.00818.82
8.1.200.0000.00917.22
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0080.00318.46
8.1.160.0070.00018.81
8.1.150.0030.00518.79
8.1.140.0040.00417.43
8.1.130.0070.00017.67
8.1.120.0080.00017.46
8.1.110.0040.00417.35
8.1.100.0000.00717.34
8.1.90.0000.00717.28
8.1.80.0040.00417.43
8.1.70.0070.00017.37
8.1.60.0040.00417.50
8.1.50.0040.00417.38
8.1.40.0040.00417.50
8.1.30.0050.00317.50
8.1.20.0000.00717.58
8.1.10.0080.00017.52
8.1.00.0000.00817.29
8.0.300.0050.00219.95
8.0.290.0040.00716.75
8.0.280.0090.00018.43
8.0.270.0050.00317.26
8.0.260.0000.00617.14
8.0.250.0040.00416.92
8.0.240.0030.00316.96
8.0.230.0000.00716.81
8.0.220.0000.00716.93
8.0.210.0030.00516.88
8.0.200.0030.00416.82
8.0.190.0070.00016.86
8.0.180.0070.00016.89
8.0.170.0000.00816.89
8.0.160.0000.00716.75
8.0.150.0040.00416.80
8.0.140.0080.00316.74
8.0.130.0000.00513.32
8.0.120.0050.00316.74
8.0.110.0000.00716.77
8.0.100.0040.00416.75
8.0.90.0040.00416.74
8.0.80.0150.00316.92
8.0.70.0000.00816.77
8.0.60.0000.00816.89
8.0.50.0000.00716.81
8.0.30.0140.00717.04
8.0.20.0150.00617.40
8.0.10.0050.00316.88
8.0.00.0120.00616.70
7.4.330.0050.00015.00
7.4.320.0000.00616.55
7.4.300.0030.00316.50
7.4.290.0070.00016.41
7.4.280.0080.00416.28
7.4.270.0040.00416.44
7.4.260.0000.00716.42
7.4.250.0040.00416.51
7.4.240.0060.00216.42
7.4.230.0030.00316.55
7.4.220.0120.00616.54
7.4.210.0090.00616.40
7.4.200.0000.00716.63
7.4.160.0110.00716.58
7.4.150.0070.01117.40
7.4.140.0100.00917.86
7.4.130.0130.00516.41
7.4.120.0150.00316.35
7.4.110.0070.01016.45
7.4.100.0180.00316.55
7.4.90.0050.01116.59
7.4.80.0060.01219.39
7.4.70.0280.01916.56
7.4.60.0180.00616.50
7.4.50.0000.00816.29
7.4.40.0080.01116.57
7.4.30.0100.01316.32
7.4.00.0000.01515.01
7.3.330.0050.00012.95
7.3.320.0050.00013.13
7.3.310.0030.00316.02
7.3.300.0030.00316.21
7.3.290.0040.01116.17
7.3.280.0110.00616.17
7.3.270.0170.00317.40
7.3.260.0030.01416.14
7.3.250.0120.00716.37
7.3.240.0110.00716.30
7.3.230.0160.00016.39
7.3.210.0110.01116.53
7.3.200.0060.01219.39
7.3.190.0060.01216.23
7.3.180.0030.01216.09
7.3.170.0030.02016.27
7.3.160.0130.00316.27
7.3.10.0060.00916.50
7.3.00.0030.00716.60
7.2.330.0000.01916.61
7.2.320.0090.00916.20
7.2.310.0060.01116.32
7.2.300.0100.01016.55
7.2.290.0030.01316.42
7.2.130.0070.00716.63
7.2.120.0030.00716.88
7.2.110.0140.00016.54
7.2.100.0070.00716.66
7.2.90.0030.00716.90
7.2.80.0030.00916.76
7.2.70.0040.00816.88
7.2.60.0080.00616.78
7.2.50.0080.01016.73
7.2.40.0030.01016.86
7.2.30.0090.00616.69
7.2.20.0100.00316.52
7.2.10.0060.00316.88
7.2.00.0090.00616.74
7.1.250.0040.01115.96
7.1.200.0070.00715.67
7.1.70.0080.00317.22
7.1.60.0170.00719.61
7.1.50.0060.01616.66
7.1.00.0100.07022.43
7.0.200.0070.00016.64
7.0.140.0000.07722.18
7.0.60.0100.08319.87
7.0.50.0170.07717.66
7.0.40.0200.04720.03
7.0.30.0170.04020.17
7.0.20.0230.08020.02
7.0.10.0000.05720.01
7.0.00.0100.05020.29
5.6.280.0030.07720.78
5.6.210.0170.07720.49
5.6.200.0130.08018.22
5.6.190.0130.06020.39
5.6.180.0270.04720.35
5.6.170.0300.05020.53
5.6.160.0100.07020.52
5.6.150.0030.04018.11
5.6.140.0030.04318.19
5.6.130.0070.09018.06
5.6.120.0030.04320.89
5.6.110.0000.08320.95
5.6.100.0100.08020.95
5.6.90.0130.04320.96
5.6.80.0000.08020.28
5.5.350.0200.07720.30
5.5.340.0030.05718.01
5.5.330.0100.08320.20
5.5.320.0000.05320.26
5.5.310.0270.03720.50
5.5.300.0130.07317.90
5.5.290.0100.06717.99
5.5.280.0200.07020.79
5.5.270.0030.05320.74
5.5.260.0070.05020.88
5.5.250.0030.04020.71
5.5.240.0200.06720.25
5.4.450.3430.05319.46
5.4.440.3600.03719.24
5.4.430.3100.04719.25
5.4.420.2500.03719.41
5.4.410.3000.04319.12
5.4.400.3770.03719.24
5.4.390.3000.04318.82
5.4.380.3200.03319.13
5.4.370.3670.04319.10
5.4.360.3200.04018.79
5.4.350.2970.03318.93
5.4.340.3000.03319.13
5.4.320.3000.04019.16
5.4.310.3230.03718.79
5.4.300.3270.03319.20
5.4.290.3400.03719.08
5.4.280.3870.03018.80
5.4.270.3630.04019.23
5.4.260.3730.04319.12
5.4.250.3830.02719.22
5.4.240.4130.04019.14
5.4.230.3900.03718.89
5.4.220.3230.04018.88
5.4.210.3730.03719.05
5.4.200.3000.04018.92
5.4.190.3100.04019.05
5.4.180.3170.04019.23
5.4.170.3700.04019.22
5.4.160.3000.04019.23
5.4.150.3700.04019.03
5.4.140.2900.03316.18
5.4.130.4830.03016.30
5.4.120.4200.03316.26
5.4.110.3470.04016.20
5.4.100.4070.03716.38
5.4.90.4130.03016.06
5.4.80.3470.03716.32
5.4.70.3870.04016.21
5.4.60.3730.04316.36
5.4.50.3270.03716.35
5.4.40.3500.03016.41
5.4.30.3500.02716.46
5.4.20.3730.04016.46
5.4.10.3470.03316.30
5.4.00.2730.03015.67
5.3.290.3170.04014.51
5.3.280.3730.04014.54
5.3.270.3100.04014.55
5.3.260.3600.03714.51
5.3.250.3500.04014.46
5.3.240.3370.04014.45
5.3.230.4170.03714.43
5.3.220.3970.04314.54
5.3.210.4070.04014.40
5.3.200.3900.04014.42
5.3.190.3670.03714.40
5.3.180.4030.04014.59
5.3.170.4100.04014.42
5.3.160.3270.03314.40
5.3.150.3170.03714.52
5.3.140.3570.04014.50
5.3.130.3130.04014.38
5.3.120.3170.03714.61
5.3.110.3430.04714.52
5.3.100.3370.03013.87
5.3.90.2870.03713.93
5.3.80.3000.04013.83
5.3.70.3570.03314.05
5.3.60.3270.04013.78
5.3.50.3170.03013.93
5.3.40.3930.04313.89
5.3.30.3830.03313.75
5.3.20.3400.04313.72
5.3.10.4130.04313.48
5.3.00.3630.04013.59
5.2.170.2530.03311.20
5.2.160.3230.02711.16
5.2.150.3570.02011.00
5.2.140.2770.03310.99
5.2.130.3230.02710.99
5.2.120.3270.02011.26
5.2.110.2870.03011.07
5.2.100.3600.02710.94
5.2.90.3070.02710.97
5.2.80.2600.03011.03
5.2.70.2630.02711.12
5.2.60.2900.03710.93
5.2.50.2330.03310.95
5.2.40.1670.03311.04
5.2.30.2470.02711.12
5.2.20.2330.03310.89
5.2.10.2270.03010.95
5.2.00.2330.03010.63
5.1.60.2400.0279.87
5.1.50.2070.0239.98
5.1.40.2370.0139.87
5.1.30.2530.02710.30
5.1.20.2600.02710.46
5.1.10.2670.0239.95
5.1.00.2330.02310.04
5.0.50.0900.0308.71
5.0.40.1400.0278.50
5.0.30.1300.0338.50
5.0.20.1130.0238.50
5.0.10.1600.0178.50
5.0.00.1300.0308.50
4.4.90.1070.0238.50
4.4.80.1470.0208.50
4.4.70.1370.0208.50
4.4.60.0800.0208.50
4.4.50.1200.0108.50
4.4.40.1400.0278.50
4.4.30.1230.0178.50
4.4.20.0900.0238.50
4.4.10.1330.0178.50
4.4.00.1500.0238.50
4.3.110.1700.0178.50
4.3.100.1800.0178.50
4.3.90.1170.0138.50
4.3.80.1370.0208.50
4.3.70.0200.0308.50
4.3.60.1630.0178.50
4.3.50.1100.0138.50
4.3.40.1430.0238.50
4.3.30.0630.0138.50
4.3.20.0830.0208.50
4.3.10.0770.0138.50
4.3.00.0730.0238.50

preferences:
48.73 ms | 401 KiB | 5 Q