3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array_merge([], null, array(1,23,4)); var_dump($x);

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)
8.3.60.0070.00716.25
8.3.50.0120.00821.94
8.3.40.0120.00918.72
8.3.30.0070.00719.08
8.3.20.0070.00020.21
8.3.10.0000.00823.66
8.3.00.0080.00019.50
8.2.180.0150.00018.24
8.2.170.0090.00622.96
8.2.160.0140.00420.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0110.00422.13
8.2.110.0060.00322.24
8.2.100.0000.01217.91
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0050.00317.63
8.2.60.0000.00817.93
8.2.50.0060.00318.07
8.2.40.0060.00319.95
8.2.30.0050.00219.78
8.2.20.0000.00817.60
8.2.10.0050.00319.70
8.2.00.0040.00417.55
8.1.280.0100.01325.92
8.1.270.0040.00423.82
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0060.00323.96
8.1.230.0070.00419.16
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0000.01017.25
8.1.190.0060.00317.39
8.1.180.0060.00318.10
8.1.170.0000.00818.46
8.1.160.0030.00621.95
8.1.150.0080.00018.47
8.1.140.0030.00517.36
8.1.130.0080.00417.32
8.1.120.0040.00417.32
8.1.110.0070.00017.36
8.1.100.0040.00417.25
8.1.90.0000.00717.23
8.1.80.0040.00417.34
8.1.70.0000.00817.23
8.1.60.0050.00317.37
8.1.50.0030.00517.45
8.1.40.0040.00417.38
8.1.30.0000.00817.45
8.1.20.0040.00417.48
8.1.10.0000.00717.45
8.1.00.0050.00217.45
8.0.300.0000.00719.09
8.0.290.0000.00717.04
8.0.280.0070.00018.41
8.0.270.0030.00317.15
8.0.260.0060.00016.72
8.0.250.0040.00416.91
8.0.240.0000.00816.93
8.0.230.0000.00716.95
8.0.220.0030.00316.77
8.0.210.0040.00416.93
8.0.200.0050.00316.93
8.0.190.0080.00016.84
8.0.180.0030.00516.91
8.0.170.0000.00816.89
8.0.160.0030.00316.86
8.0.150.0040.00416.80
8.0.140.0030.00516.86
8.0.130.0050.00013.27
8.0.120.0000.00816.89
8.0.110.0070.00016.84
8.0.100.0040.00416.90
8.0.90.0000.00716.80
8.0.80.0040.01116.84
8.0.70.0050.00316.76
8.0.60.0000.00716.79
8.0.50.0070.00016.95
8.0.30.0090.01116.87
8.0.20.0120.00717.40
8.0.10.0080.00016.80
8.0.00.0100.00716.81
7.4.330.0000.00515.05
7.4.320.0030.00316.48
7.4.300.0060.00016.50
7.4.290.0000.00716.46
7.4.280.0000.00816.43
7.4.270.0000.00816.55
7.4.260.0030.00316.52
7.4.250.0040.00416.51
7.4.240.0020.00616.49
7.4.230.0050.00216.24
7.4.220.0070.01016.48
7.4.210.0100.00616.44
7.4.200.0080.00016.34
7.4.190.0050.00216.47
7.4.160.0090.00616.43
7.4.150.0030.01517.40
7.4.140.0140.00517.86
7.4.130.0070.01216.45
7.4.120.0120.00816.52
7.4.110.0080.00816.52
7.4.100.0100.01016.23
7.4.90.0140.00716.66
7.4.80.0070.01019.39
7.4.70.0060.01216.45
7.4.60.0090.00916.26
7.4.50.0000.00616.30
7.4.40.0030.00922.77
7.4.30.0040.01216.37
7.4.00.0060.01014.93
7.3.330.0020.00212.95
7.3.320.0030.00313.04
7.3.310.0040.00416.01
7.3.300.0070.00016.23
7.3.290.0100.01016.15
7.3.280.0100.00816.19
7.3.270.0070.01017.40
7.3.260.0050.01116.28
7.3.250.0090.00916.15
7.3.240.0120.00616.18
7.3.230.0070.01016.39
7.3.210.0040.01916.36
7.3.200.0070.01419.39
7.3.190.0170.00016.21
7.3.180.0040.01116.13
7.3.170.0060.00916.55
7.3.160.0060.00916.24
7.3.120.0000.01814.77
7.3.110.0140.00314.79
7.3.100.0130.00614.68
7.3.90.0140.00314.75
7.3.80.0100.00314.34
7.3.70.0100.01014.53
7.3.60.0070.00414.74
7.3.50.0040.01114.41
7.3.40.0070.00714.73
7.3.30.0060.00914.52
7.3.20.0030.01316.62
7.3.10.0120.00316.35
7.3.00.0070.00716.52
7.2.330.0130.00316.34
7.2.320.0100.00716.41
7.2.310.0070.01116.18
7.2.300.0140.00616.29
7.2.290.0120.00616.64
7.2.250.0060.01214.94
7.2.240.0070.01314.60
7.2.230.0060.01314.68
7.2.220.0100.00914.69
7.2.210.0090.00615.00
7.2.200.0080.00414.69
7.2.190.0050.00514.81
7.2.180.0120.00314.79
7.2.170.0070.00314.91
7.2.00.0090.00619.21
7.1.330.0040.00815.57
7.1.320.0030.01515.63
7.1.310.0120.00315.62
7.1.300.0100.00715.85
7.1.290.0030.00715.36
7.1.280.0070.00715.48
7.1.270.0040.00715.57
7.1.260.0000.00915.75
7.1.100.0030.01017.84
7.1.70.0100.00316.89
7.1.60.0100.01319.46
7.1.50.0030.01716.86
7.1.00.0030.07722.51
7.0.200.0070.00316.34
7.0.140.0030.07322.04
7.0.60.0100.08319.96
7.0.50.0130.05017.89
7.0.40.0000.05320.23
7.0.30.0530.04720.00
7.0.20.0300.04320.18
7.0.10.0070.04320.16
7.0.00.0070.08320.18
5.6.280.0070.07020.92
5.6.210.0030.08720.70
5.6.200.0170.07018.18
5.6.190.0000.05320.42
5.6.180.0200.03320.56
5.6.170.0130.09020.71
5.6.160.0070.08020.48
5.6.150.0100.05718.12
5.6.140.0100.03718.11
5.6.130.0100.05018.21
5.6.120.0030.04321.02
5.6.110.0100.08721.10
5.6.100.0200.07321.00
5.6.90.0100.08320.89
5.6.80.0030.08320.37
5.6.70.4530.04020.39
5.5.350.0000.04020.41
5.5.340.0030.04017.91
5.5.330.0000.05020.36
5.5.320.0130.05320.17
5.5.310.0230.04320.28
5.5.300.0030.05317.96
5.5.290.0070.08017.89
5.5.280.0100.04020.86
5.5.270.0030.04020.72
5.5.260.0070.08720.79
5.5.250.0130.07720.48
5.5.240.0330.07020.11
5.4.450.0730.06019.48
5.4.440.0870.07319.48
5.4.430.0170.04719.31
5.4.420.0770.05019.51
5.4.410.0930.04319.50
5.4.400.0770.05319.13
5.4.390.0830.05019.27
5.4.380.0370.05318.46
5.4.370.0400.05018.50
5.4.360.0270.05318.56
5.4.350.0300.06018.77
5.4.340.0330.05318.74
5.4.320.0100.03712.45
5.4.310.0020.04212.45
5.4.300.0080.04312.45
5.4.290.0110.03312.43
5.4.280.0070.03512.33
5.4.270.0040.03712.33
5.4.260.0050.03912.33
5.4.250.0050.04012.33
5.4.240.0060.04012.33
5.4.230.0030.04212.32
5.4.220.0120.03312.32
5.4.210.0050.03812.32
5.4.200.0090.04212.32
5.4.190.0040.04112.32
5.4.180.0030.04112.32
5.4.170.0050.03612.33
5.4.160.0040.03712.32
5.4.150.0060.03512.32
5.4.140.0050.03912.00
5.4.130.0070.04212.00
5.4.120.0100.03211.95
5.4.110.0050.05311.95
5.4.100.0100.03611.95
5.4.90.0060.04111.95
5.4.80.0050.04411.95
5.4.70.0070.03511.94
5.4.60.0100.04711.94
5.4.50.0060.05211.95
5.4.40.0100.03711.93
5.4.30.0070.03811.93
5.4.20.0060.03811.93
5.4.10.0060.04211.93
5.4.00.0040.04511.42
5.3.290.0070.04512.80
5.3.280.0050.04312.71
5.3.270.0150.05712.72
5.3.260.0100.03812.72
5.3.250.0050.04112.72
5.3.240.0040.05112.72
5.3.230.0030.04212.71
5.3.220.0080.04612.68
5.3.210.0120.03412.68
5.3.200.0030.04012.68
5.3.190.0060.03812.68
5.3.180.0060.03712.67
5.3.170.0090.03512.67
5.3.160.0050.04012.67
5.3.150.0070.05412.67
5.3.140.0050.05412.66
5.3.130.0090.06312.66
5.3.120.0080.04212.66
5.3.110.0050.04012.66
5.3.100.0040.03812.12
5.3.90.0050.03812.09
5.3.80.0070.03512.07
5.3.70.0070.03812.07
5.3.60.0060.03712.07
5.3.50.0040.04512.00
5.3.40.0060.04312.00
5.3.30.0050.05411.95
5.3.20.0070.05511.72
5.3.10.0050.04311.70
5.3.00.0080.06811.68
5.2.170.0080.0429.18
5.2.160.0020.0339.18
5.2.150.0060.0339.18
5.2.140.0090.0509.18
5.2.130.0070.0309.14
5.2.120.0030.0319.14
5.2.110.0040.0319.14
5.2.100.0040.0299.14
5.2.90.0020.0319.14
5.2.80.0030.0329.14
5.2.70.0080.0339.14
5.2.60.0080.0289.09
5.2.50.0070.0309.05
5.2.40.0070.0319.04
5.2.30.0050.0389.01
5.2.20.0060.0399.00
5.2.10.0050.0398.93
5.2.00.0090.0608.78
5.1.60.0100.0328.07
5.1.50.0030.0438.07
5.1.40.0080.0348.05
5.1.30.0050.0358.40
5.1.20.0070.0348.42
5.1.10.0050.0378.14
5.1.00.0010.0418.14
5.0.50.0030.0296.62
5.0.40.0040.0276.48
5.0.30.0050.0396.29
5.0.20.0020.0206.26
5.0.10.0030.0206.24
5.0.00.0030.0326.23
4.4.90.0040.0244.78
4.4.80.0030.0154.75
4.4.70.0030.0234.76
4.4.60.0020.0194.75
4.4.50.0030.0234.77
4.4.40.0040.0404.71
4.4.30.0070.0204.76
4.4.20.0050.0304.85
4.4.10.0040.0224.84
4.4.00.0050.0384.76
4.3.110.0070.0214.67
4.3.100.0050.0214.66
4.3.90.0060.0214.63
4.3.80.0040.0324.59
4.3.70.0050.0154.63
4.3.60.0030.0224.63
4.3.50.0060.0144.62
4.3.40.0040.0344.53
4.3.30.0030.0223.29
4.3.20.0030.0223.27
4.3.10.0030.0223.21
4.3.00.0030.01313.17

preferences:
50.66 ms | 401 KiB | 5 Q