3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(1,2,3); $b = array(1,2,3,4); $c = array_unique(array_merge($a,$b)); print_r($c); $c = array_values($c); //to re-index array print_r($c);

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)
8.5.10.0100.00619.29
8.5.00.0100.01119.77
8.4.150.0020.00014.05
8.4.140.0120.00917.46
8.4.130.0120.00617.60
8.4.120.0050.00820.57
8.4.110.0100.01122.33
8.4.100.0120.00817.56
8.4.90.0110.00818.42
8.4.80.0120.00817.46
8.4.70.0120.00917.39
8.4.60.0140.00618.92
8.4.50.0140.00619.38
8.4.40.0100.00719.54
8.4.30.0070.01420.60
8.4.20.0120.00419.70
8.4.10.0070.01317.84
8.3.280.0120.00918.30
8.3.270.0170.00416.50
8.3.260.0100.01016.54
8.3.250.0150.00318.78
8.3.240.0130.00616.39
8.3.230.0110.00816.54
8.3.220.0100.00917.00
8.3.210.0110.00516.60
8.3.200.0050.00416.52
8.3.190.0120.00716.77
8.3.180.0060.01116.35
8.3.170.0040.00416.49
8.3.160.0160.00316.38
8.3.150.0030.01017.10
8.3.140.0040.00718.88
8.3.130.0050.00318.53
8.3.120.0000.00918.74
8.3.110.0030.00620.94
8.3.100.0050.00218.16
8.3.90.0040.00426.77
8.3.80.0030.00616.75
8.3.70.0110.00416.38
8.3.60.0100.01018.15
8.3.50.0020.01124.34
8.3.40.0110.01418.72
8.3.30.0000.01518.73
8.3.20.0000.00920.82
8.3.10.0070.00023.66
8.3.00.0070.00020.60
8.2.290.0100.00520.48
8.2.280.0080.00020.16
8.2.270.0130.00616.44
8.2.260.0030.01518.93
8.2.250.0080.00016.81
8.2.240.0050.00318.75
8.2.230.0100.00622.58
8.2.220.0080.00024.06
8.2.210.0060.00326.77
8.2.200.0040.00716.22
8.2.190.0070.01016.58
8.2.180.0080.01118.16
8.2.170.0090.00622.96
8.2.160.0130.00722.16
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00819.70
8.2.110.0060.00322.26
8.2.100.0060.00621.07
8.2.90.0060.00317.78
8.2.80.0080.00017.97
8.2.70.0090.00017.77
8.2.60.0050.00318.09
8.2.50.0060.00318.10
8.2.40.0040.00420.88
8.2.30.0000.00719.23
8.2.20.0050.00317.93
8.2.10.0000.00718.77
8.2.00.0020.00519.23
8.1.330.0110.00722.10
8.1.320.0090.01016.20
8.1.310.0040.01416.41
8.1.300.0100.00719.48
8.1.290.0080.00018.88
8.1.280.0110.00725.92
8.1.270.0040.00420.55
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00420.32
8.1.230.0060.00622.73
8.1.220.0070.00019.01
8.1.210.0050.00518.77
8.1.200.0030.00617.23
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0070.00020.15
8.1.150.0070.00018.72
8.1.140.0070.00018.86
8.1.130.0050.00317.47
8.1.120.0030.00317.36
8.1.110.0060.00317.31
8.1.100.0040.00417.34
8.1.90.0000.00817.37
8.1.80.0000.00817.45
8.1.70.0000.00717.38
8.1.60.0060.00317.50
8.1.50.0040.00417.40
8.1.40.0060.00317.37
8.1.30.0000.00817.57
8.1.20.0080.00017.62
8.1.10.0040.00417.46
8.1.00.0040.00417.39
8.0.300.0070.00023.43
8.0.290.0000.00716.63
8.0.280.0000.00818.23
8.0.270.0050.00317.29
8.0.260.0040.00416.76
8.0.250.0000.00716.74
8.0.240.0030.00316.93
8.0.230.0040.00416.89
8.0.220.0030.00316.84
8.0.210.0070.00016.68
8.0.200.0000.00616.93
8.0.190.0050.00216.78
8.0.180.0040.00416.75
8.0.170.0040.00416.84
8.0.160.0040.00416.84
8.0.150.0070.00016.76
8.0.140.0050.00216.79
8.0.130.0000.00513.34
8.0.120.0000.00716.66
8.0.110.0060.00316.83
8.0.100.0070.00016.70
8.0.90.0000.00816.71
8.0.80.0120.00316.74
8.0.70.0070.00016.85
8.0.60.0040.00416.83
8.0.50.0040.00416.68
8.0.30.0030.01617.01
8.0.20.0130.00617.06
8.0.10.0070.00016.82
8.0.00.0070.01316.59
7.4.330.0000.00515.55
7.4.320.0030.00316.49
7.4.300.0030.00316.53
7.4.290.0070.00016.28
7.4.280.0000.00716.58
7.4.270.0070.00016.45
7.4.260.0030.00313.26
7.4.250.0070.00016.29
7.4.240.0040.00416.54
7.4.230.0000.00716.53
7.4.220.0000.00716.52
7.4.210.0000.01416.56
7.4.200.0040.00416.63
7.4.130.0030.01916.42
7.4.120.0070.01416.48
7.4.110.0040.01416.40
7.4.100.0100.01316.45
7.4.90.0070.01416.44
7.4.80.0030.01419.39
7.4.70.0100.01016.45
7.4.60.0030.01416.34
7.4.50.0030.01316.50
7.4.40.0130.00616.47
7.4.00.0130.00315.01
7.3.330.0040.00416.09
7.3.320.0050.00012.88
7.3.310.0000.00716.21
7.3.300.0000.00716.10
7.3.290.0060.01116.11
7.3.280.0120.00916.08
7.3.260.0100.00716.23
7.3.230.0130.01016.36
7.3.210.0080.01116.21
7.3.200.0160.00616.13
7.3.190.0110.00416.59
7.3.180.0100.00716.46
7.3.170.0070.01416.19
7.3.160.0200.00016.18
7.3.120.0130.00614.37
7.3.110.0030.01114.40
7.3.100.0090.00414.42
7.3.90.0140.00414.16
7.3.80.0110.00314.48
7.3.70.0060.01414.51
7.3.60.0000.01714.23
7.3.50.0100.00314.63
7.3.40.0040.01114.66
7.3.30.0120.00414.59
7.3.20.0040.00914.39
7.3.10.0060.00914.63
7.3.00.0160.00314.40
7.2.330.0070.01416.16
7.2.320.0120.00416.30
7.2.310.0100.00716.45
7.2.300.0150.00616.33
7.2.290.0080.00816.51
7.2.240.0040.01114.72
7.2.230.0000.01414.45
7.2.220.0100.01014.70
7.2.210.0140.00214.70
7.2.200.0110.00714.78
7.2.190.0100.00714.77
7.2.180.0000.01514.68
7.2.170.0120.00314.62
7.2.160.0100.00314.88
7.2.150.0060.00915.00
7.2.140.0050.00814.81
7.2.130.0030.01414.92
7.2.120.0040.01014.97
7.2.110.0070.01014.71
7.2.100.0100.00914.88
7.2.90.0160.00014.92
7.2.80.0090.00615.07
7.2.70.0090.00615.01
7.2.60.0080.00815.00
7.2.50.0030.01114.68
7.2.40.0000.01415.02
7.2.30.0030.01014.92
7.2.20.0110.00315.02
7.2.10.0150.00014.98
7.2.00.0000.01414.83
7.1.330.0050.00913.91
7.1.320.0070.00713.79
7.1.310.0070.01113.70
7.1.300.0110.00313.76
7.1.290.0070.00714.02
7.1.280.0030.01213.85
7.1.270.0030.00913.86
7.1.260.0030.01213.71
7.1.250.0100.00513.85

preferences:
39.14 ms | 403 KiB | 5 Q