3v4l.org

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

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)
8.3.40.0070.00718.54
8.3.30.0150.00018.68
8.3.20.0070.00020.24
8.3.10.0000.00821.69
8.3.00.0040.00419.06
8.2.170.0170.00418.96
8.2.160.0100.00322.96
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0050.00319.36
8.2.110.0060.00320.52
8.2.100.0040.00817.69
8.2.90.0030.00519.22
8.2.80.0050.00317.97
8.2.70.0000.00817.48
8.2.60.0040.00417.80
8.2.50.0060.00318.10
8.2.40.0000.00819.88
8.2.30.0040.00417.98
8.2.20.0050.00317.48
8.2.10.0000.00917.86
8.2.00.0040.00417.54
8.1.270.0080.00018.74
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00619.19
8.1.230.0040.00717.42
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00317.23
8.1.190.0040.00417.22
8.1.180.0030.00618.10
8.1.170.0040.00420.34
8.1.160.0030.00321.94
8.1.150.0000.00718.86
8.1.140.0040.00417.29
8.1.130.0000.00617.86
8.1.120.0080.00017.39
8.1.110.0040.00417.28
8.1.100.0030.00317.28
8.1.90.0040.00417.27
8.1.80.0080.00017.42
8.1.70.0040.00417.39
8.1.60.0090.00017.39
8.1.50.0040.00417.36
8.1.40.0040.00417.36
8.1.30.0030.00517.40
8.1.20.0030.00617.54
8.1.10.0080.00017.26
8.1.00.0060.00317.25
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.37
8.0.270.0040.00417.19
8.0.260.0060.00018.37
8.0.250.0030.00316.96
8.0.240.0030.00816.81
8.0.230.0030.00316.83
8.0.220.0040.00416.89
8.0.210.0040.00416.92
8.0.200.0000.00716.80
8.0.190.0040.00416.94
8.0.180.0040.00416.86
8.0.170.0030.00616.77
8.0.160.0050.00216.91
8.0.150.0040.00416.77
8.0.140.0000.00816.86
8.0.130.0000.00813.28
8.0.120.0000.00816.93
8.0.110.0040.00416.72
8.0.100.0000.00816.79
8.0.90.0070.00016.94
8.0.80.0070.00716.83
8.0.70.0040.00416.92
8.0.60.0030.00516.99
8.0.50.0000.00716.89
8.0.30.0100.01217.06
8.0.20.0130.00917.40
8.0.10.0000.00716.91
8.0.00.0080.01116.87
7.4.330.0050.00015.03
7.4.320.0000.00816.47
7.4.300.0000.00616.47
7.4.290.0040.00416.45
7.4.280.0080.00016.56
7.4.270.0030.00316.43
7.4.260.0040.00416.40
7.4.250.0040.00416.39
7.4.240.0050.00216.42
7.4.230.0000.00816.63
7.4.220.0170.00716.54
7.4.210.0110.00316.38
7.4.200.0070.00016.63
7.4.160.0060.00916.46
7.4.150.0030.01617.40
7.4.140.0140.00617.86
7.4.130.0110.00716.51
7.4.120.0110.00516.49
7.4.110.0100.01016.40
7.4.100.0110.01116.28
7.4.90.0070.01016.52
7.4.80.0080.01219.39
7.4.70.0110.00716.70
7.4.60.0080.00816.36
7.4.50.0000.00816.48
7.4.40.0080.00816.29
7.4.30.0070.01016.33
7.4.00.0060.00914.77
7.3.330.0070.00013.02
7.3.320.0000.01213.07
7.3.310.0000.00616.32
7.3.300.0070.00016.20
7.3.290.0120.00716.19
7.3.280.0070.01016.22
7.3.270.0110.00717.40
7.3.260.0110.00616.21
7.3.250.0120.00916.35
7.3.240.0080.00816.42
7.3.230.0150.00316.45
7.3.210.0110.01116.21
7.3.200.0130.00719.39
7.3.190.0060.01016.21
7.3.180.0150.00316.30
7.3.170.0060.01116.39
7.3.160.0110.00516.14
7.3.120.0070.01114.88
7.3.110.0030.01314.93
7.3.100.0060.00614.89
7.3.90.0060.00914.83
7.3.80.0070.00714.90
7.3.70.0060.00914.45
7.3.60.0090.00614.68
7.3.50.0030.01314.70
7.3.40.0060.00614.68
7.3.30.0030.01014.61
7.3.20.0110.00316.64
7.3.10.0050.00916.50
7.3.00.0100.00316.50
7.2.330.0070.01116.45
7.2.320.0080.00816.24
7.2.310.0070.01016.22
7.2.300.0070.01016.57
7.2.290.0100.01316.38
7.2.250.0060.01014.61
7.2.240.0100.01014.84
7.2.230.0080.00414.81
7.2.220.0070.01315.09
7.2.210.0000.01414.82
7.2.200.0070.00714.93
7.2.190.0060.01214.64
7.2.180.0060.00614.90
7.2.170.0060.00915.06
7.2.130.0040.01116.55
7.2.120.0030.01316.43
7.2.110.0080.00416.61
7.2.100.0040.00416.68
7.2.90.0000.01516.72
7.2.80.0060.00616.84
7.2.70.0120.00316.93
7.2.60.0140.00916.55
7.2.50.0030.00816.60
7.2.40.0060.00916.83
7.2.30.0100.00316.84
7.2.20.0070.00716.81
7.2.10.0000.01016.74
7.2.00.0050.00818.01
7.1.330.0060.00915.75
7.1.320.0040.01615.42
7.1.310.0060.00915.85
7.1.300.0110.00415.78
7.1.290.0030.01015.78
7.1.280.0030.01215.63
7.1.270.0110.00415.75
7.1.260.0040.00815.75
7.1.250.0100.00315.80
7.1.200.0040.00815.62
7.1.100.0000.01317.87
7.1.70.0020.00516.95
7.1.60.0100.01419.50
7.1.50.0120.00916.90
7.1.00.0030.07722.29
7.0.200.0000.01016.80
7.0.140.0030.07321.96
7.0.60.0070.05720.00
7.0.50.0130.07317.80
7.0.40.0070.04320.12
7.0.30.0430.08019.97
7.0.20.0370.07320.19
7.0.10.0070.08320.13
7.0.00.0130.07320.33
5.6.210.0130.07720.62
5.6.200.0100.08318.13
5.6.190.0130.06020.49
5.6.180.0270.04720.33
5.6.170.0230.08320.38
5.6.160.0030.09020.37
5.6.150.0100.07318.09
5.6.140.0170.04318.07
5.6.130.0070.04018.11
5.6.120.0030.08721.11
5.6.110.0070.06020.95
5.6.100.0130.07721.01
5.6.90.0170.05321.01
5.6.80.0100.08020.39
5.6.70.3970.04020.25
5.5.350.0030.07720.40
5.5.340.0030.06317.98
5.5.330.0070.04320.43
5.5.320.0270.05020.29
5.5.310.0330.07020.18
5.5.300.0070.03717.87
5.5.290.0070.03717.91
5.5.280.0070.04720.79
5.5.270.0100.04720.66
5.5.260.0070.04020.75
5.5.250.0070.05320.61
5.5.240.0130.05020.34
5.4.450.0300.05019.52
5.4.440.0070.08019.46
5.4.430.0770.05719.48
5.4.420.0070.06319.61
5.4.410.0030.06018.72
5.4.400.0400.05318.62
5.4.390.0500.04718.69
5.4.380.0530.06018.78
5.4.370.0500.05318.50
5.4.360.0330.06018.68
5.4.350.0300.06718.46
5.4.340.0330.06718.63
5.4.320.0430.06718.71
5.4.310.0570.07318.73
5.4.300.0600.07018.46
5.4.290.0500.06318.49
5.4.280.0470.07318.69
5.4.270.0400.07718.52
5.4.260.0470.06718.73
5.4.250.0470.07318.46
5.4.240.0530.06718.77
5.4.230.0500.06318.67
5.4.220.0400.07718.57
5.4.210.0670.06018.70
5.4.200.0330.07316.52
5.4.190.0630.05718.70
5.4.180.0470.06318.59
5.4.170.0370.08018.77
5.4.160.0600.06718.71
5.4.150.0630.05718.70
5.4.140.0470.06016.25
5.4.130.0470.05316.25
5.4.120.0470.05716.09
5.4.110.0530.05716.30
5.4.100.0330.05716.35
5.4.90.0430.05316.04
5.4.80.0470.06316.18
5.4.70.0370.05016.23
5.4.60.0400.05316.22
5.4.50.0330.05716.21
5.4.40.0370.05716.10
5.4.30.0400.05316.21
5.4.20.0470.05316.13
5.4.10.0500.06016.01
5.4.00.0370.05715.67
5.3.290.0570.05714.65
5.3.280.0430.06014.66
5.3.270.0600.06714.55
5.3.260.0500.06714.59
5.3.250.0470.07714.55
5.3.240.0430.06714.57
5.3.230.0530.04714.59
5.3.220.0330.05714.57
5.3.210.0470.07014.46
5.3.200.0400.06314.49
5.3.190.0400.05714.52
5.3.180.0500.05314.63
5.3.170.0430.05714.47
5.3.160.0430.05014.48
5.3.150.0400.06714.66
5.3.140.0430.07014.49
5.3.130.0500.05314.44
5.3.120.0400.07714.52
5.3.110.0400.06314.52
5.3.100.0530.05314.12
5.3.90.0500.07314.00
5.3.80.0500.07014.11
5.3.70.0630.05713.95
5.3.60.0700.06314.09
5.3.50.0430.04314.03
5.3.40.0530.05713.98
5.3.30.0400.08013.89
5.3.20.0470.07713.65
5.3.10.0500.05013.60
5.3.00.0370.06013.63
5.2.170.0370.04311.18
5.2.160.0370.05311.07
5.2.150.0270.04311.18
5.2.140.0370.03311.05
5.2.130.0200.04311.16
5.2.120.0400.03311.13
5.2.110.0530.03711.07
5.2.100.0370.03711.02
5.2.90.0300.03711.05
5.2.80.0230.04311.01
5.2.70.0330.04311.13
5.2.60.0330.04711.08
5.2.50.0400.04710.96
5.2.40.0370.03711.03
5.2.30.0370.04310.92
5.2.20.0330.04710.89
5.2.10.0370.03010.95
5.2.00.0300.05710.70
5.1.60.0330.04710.02
5.1.50.0300.05010.09
5.1.40.0230.0509.95
5.1.30.0300.04010.32
5.1.20.0330.03710.39
5.1.10.0170.04310.14
5.1.00.0270.05010.11
5.0.50.0230.0378.66
5.0.40.0200.0378.52
5.0.30.0130.0578.24
5.0.20.0070.0438.29
5.0.10.0130.0378.39
5.0.00.0200.0378.18
4.4.90.0200.0205.92
4.4.80.0030.0305.85
4.4.70.0200.0135.87
4.4.60.0130.0205.90
4.4.50.0100.0235.90
4.4.40.0100.0375.92
4.4.30.0130.0205.89
4.4.20.0100.0205.91
4.4.10.0070.0235.98
4.4.00.0200.0275.92
4.3.110.0130.0275.83
4.3.100.0070.0235.84
4.3.90.0070.0235.83
4.3.80.0030.0405.80
4.3.70.0230.0205.77
4.3.60.0130.0205.86
4.3.50.0170.0175.85
4.3.40.0170.0335.79
4.3.30.0030.0274.60
4.3.20.0030.0304.60
4.3.10.0070.0234.60
4.3.00.0130.0176.71

preferences:
45.4 ms | 400 KiB | 5 Q