3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array_merge(array("bob" => 2), array()); echo $a['bob'];

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)
8.3.60.0150.00318.18
8.3.50.0090.01217.96
8.3.40.0120.00318.57
8.3.30.0140.00019.21
8.3.20.0040.00420.05
8.3.10.0000.00920.48
8.3.00.0080.00019.51
8.2.180.0140.00716.63
8.2.170.0140.00722.96
8.2.160.0130.00720.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0070.00022.23
8.2.110.0100.00020.56
8.2.100.0110.00017.84
8.2.90.0040.00419.40
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0040.00417.91
8.2.50.0050.00318.16
8.2.40.0040.00420.59
8.2.30.0040.00421.16
8.2.20.0000.00717.68
8.2.10.0040.00417.95
8.2.00.0050.00217.72
8.1.280.0120.00925.92
8.1.270.0080.00023.89
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0000.01022.21
8.1.230.0070.00417.89
8.1.220.0070.00017.79
8.1.210.0060.00318.77
8.1.200.0090.00017.35
8.1.190.0030.00517.40
8.1.180.0000.00718.10
8.1.170.0000.00718.78
8.1.160.0000.00718.78
8.1.150.0040.00418.82
8.1.140.0040.00417.32
8.1.130.0030.00317.82
8.1.120.0030.00317.40
8.1.110.0000.00717.38
8.1.100.0040.00417.35
8.1.90.0080.00017.38
8.1.80.0070.00017.41
8.1.70.0030.00317.26
8.1.60.0050.00317.59
8.1.50.0000.00817.46
8.1.40.0050.00217.44
8.1.30.0060.00317.54
8.1.20.0080.00017.45
8.1.10.0040.00417.58
8.1.00.0000.00817.52
8.0.300.0120.00018.77
8.0.290.0040.00416.63
8.0.280.0000.00718.40
8.0.270.0040.00417.26
8.0.260.0060.00017.18
8.0.250.0070.00016.84
8.0.240.0030.00316.85
8.0.230.0050.00216.95
8.0.220.0040.00416.80
8.0.210.0030.00316.71
8.0.200.0000.00716.89
8.0.190.0030.00316.88
8.0.180.0050.00216.87
8.0.170.0030.00616.81
8.0.160.0000.00816.94
8.0.150.0070.00016.71
8.0.140.0040.00416.81
8.0.130.0000.00513.20
8.0.120.0040.00416.84
8.0.110.0070.00016.77
8.0.100.0000.00716.62
8.0.90.0070.00016.87
8.0.80.0080.00816.88
8.0.70.0000.00816.86
8.0.60.0000.00716.82
8.0.50.0040.00416.77
8.0.30.0070.01117.07
8.0.20.0060.01317.40
8.0.10.0000.00816.84
8.0.00.0080.01216.60
7.4.330.0000.00515.09
7.4.320.0030.00316.52
7.4.300.0000.00616.45
7.4.290.0040.00416.39
7.4.280.0030.00716.57
7.4.270.0000.00716.53
7.4.260.0050.00216.57
7.4.250.0040.00416.50
7.4.240.0000.00716.41
7.4.230.0000.00716.65
7.4.220.0070.01116.64
7.4.210.0070.00716.50
7.4.200.0040.00416.61
7.4.160.0130.00316.59
7.4.150.0120.01217.40
7.4.140.0020.01617.86
7.4.130.0120.00816.53
7.4.120.0130.00616.52
7.4.110.0060.01216.50
7.4.100.0110.00716.51
7.4.90.0110.01416.35
7.4.80.0060.01018.63
7.4.70.0070.01016.62
7.4.60.0070.01016.30
7.4.50.0040.00416.47
7.4.40.0100.00716.37
7.4.30.0040.01216.34
7.4.00.0070.01014.64
7.3.330.0050.00013.16
7.3.320.0000.00513.19
7.3.310.0000.00616.05
7.3.300.0030.00316.21
7.3.290.0140.00016.20
7.3.280.0050.01016.13
7.3.270.0040.01517.40
7.3.260.0120.00616.46
7.3.250.0090.00816.48
7.3.240.0080.00816.57
7.3.230.0000.01716.39
7.3.210.0120.00416.60
7.3.200.0120.00919.39
7.3.190.0100.01016.24
7.3.180.0030.01416.59
7.3.170.0090.00616.27
7.3.160.0060.01016.29
7.3.120.0070.00714.78
7.3.110.0070.00414.87
7.3.100.0030.00814.30
7.3.90.0060.00614.92
7.3.80.0050.00514.95
7.3.70.0040.00714.69
7.3.60.0030.00914.52
7.3.50.0060.00614.66
7.3.40.0000.01314.77
7.3.30.0040.01114.70
7.3.20.0080.00316.74
7.3.10.0040.01416.49
7.3.00.0140.00516.43
7.2.330.0000.01716.35
7.2.320.0160.00316.62
7.2.310.0070.01016.39
7.2.300.0130.00316.66
7.2.290.0090.01216.68
7.2.240.0040.00814.92
7.2.230.0000.01214.97
7.2.220.0030.00914.80
7.2.210.0060.00615.03
7.2.200.0040.01114.92
7.2.190.0040.00815.13
7.2.180.0000.01114.98
7.2.170.0070.00714.88
7.2.160.0070.00315.03
7.2.150.0100.00316.63
7.2.140.0000.01216.99
7.2.130.0050.01116.68
7.2.120.0080.00716.70
7.2.110.0080.00716.38
7.2.100.0090.00516.65
7.2.90.0080.00816.72
7.2.80.0060.01516.71
7.2.70.0100.00816.54
7.2.60.0080.01016.50
7.2.50.0050.01116.66
7.2.40.0080.00716.28
7.2.30.0110.00716.34
7.2.20.0080.00916.53
7.2.10.0090.00516.29
7.2.00.0080.00817.56
7.1.330.0040.00715.70
7.1.320.0060.00615.81
7.1.310.0030.01015.41
7.1.300.0080.00315.45
7.1.290.0130.00315.71
7.1.280.0090.00315.59
7.1.270.0100.00315.39
7.1.260.0030.01015.93
7.1.250.0030.01415.51
7.1.200.0090.00315.43
7.1.100.0170.00318.00
7.1.70.0060.00317.17
7.1.60.0110.01419.32
7.1.50.0070.01716.93
7.1.00.0030.07722.43
7.0.200.0100.00016.68
7.0.140.0030.07722.01
7.0.60.0070.09020.01
7.0.50.0100.04717.78
7.0.40.0100.09020.23
7.0.30.0230.04020.20
7.0.20.0270.06020.00
7.0.10.0100.06320.19
7.0.00.0130.04320.13
5.6.280.0100.07021.09
5.6.210.0070.07020.72
5.6.200.0030.08318.21
5.6.190.0070.04720.41
5.6.180.0430.05020.48
5.6.170.0330.04320.53
5.6.160.0130.04020.32
5.6.150.0070.04018.22
5.6.140.0070.05318.12
5.6.130.0070.08318.17
5.6.120.0030.08720.73
5.6.110.0070.08321.12
5.6.100.0130.07721.13
5.6.90.0130.08021.00
5.6.80.0100.08020.48
5.5.350.0070.04320.32
5.5.340.0030.07717.89
5.5.330.0100.04320.28
5.5.320.0330.08020.13
5.5.310.0300.07320.34
5.5.300.0100.04017.97
5.5.290.0030.08317.95
5.5.280.0100.04020.67
5.5.270.0000.04320.82
5.5.260.0100.07720.88
5.5.250.0100.07320.54
5.5.240.1970.05020.07
5.4.450.0100.05719.46
5.4.440.0700.06719.58
5.4.430.0970.05019.13
5.4.420.1070.05719.40
5.4.410.0730.06319.28
5.4.400.0430.06019.30
5.4.390.0770.05319.28
5.4.380.0370.05018.57
5.4.370.0300.05718.49
5.4.360.0330.06018.70
5.4.350.0270.06318.69
5.4.340.0400.05018.46
5.4.320.0090.03612.45
5.4.310.0080.03712.45
5.4.300.0070.03312.45
5.4.290.0090.03312.45
5.4.280.0060.03612.35
5.4.270.0050.03612.35
5.4.260.0100.04212.34
5.4.250.0110.03512.34
5.4.240.0080.04112.35
5.4.230.0070.03912.34
5.4.220.0080.03812.34
5.4.210.0030.04512.34
5.4.200.0070.04012.34
5.4.190.0020.04312.33
5.4.180.0070.03412.33
5.4.170.0050.03712.35
5.4.160.0040.03612.34
5.4.150.0060.04112.34
5.4.140.0080.03812.02
5.4.130.0070.03712.01
5.4.120.0070.03611.96
5.4.110.0050.04011.96
5.4.100.0090.03711.96
5.4.90.0040.03811.96
5.4.80.0060.03611.97
5.4.70.0040.03611.96
5.4.60.0040.04011.96
5.4.50.0070.03711.96
5.4.40.0060.04011.95
5.4.30.0060.03411.95
5.4.20.0030.03811.95
5.4.10.0050.03511.95
5.4.00.0070.03611.43
5.3.290.0090.03812.80
5.3.280.0060.04412.71
5.3.270.0050.04312.72
5.3.260.0100.03812.72
5.3.250.0040.04112.72
5.3.240.0080.03512.72
5.3.230.0070.03612.71
5.3.220.0050.03812.68
5.3.210.0060.03912.68
5.3.200.0030.03812.68
5.3.190.0060.04512.68
5.3.180.0100.03312.67
5.3.170.0050.03712.66
5.3.160.0060.03812.67
5.3.150.0070.03612.67
5.3.140.0050.03812.66
5.3.130.0080.03612.65
5.3.120.0070.03912.66
5.3.110.0050.04312.65
5.3.100.0080.03912.12
5.3.90.0070.04312.08
5.3.80.0080.04012.08
5.3.70.0070.03612.07
5.3.60.0070.03512.06
5.3.50.0040.03712.00
5.3.40.0100.04112.00
5.3.30.0040.04311.94
5.3.20.0050.03511.72
5.3.10.0070.03311.69
5.3.00.0020.04011.68
5.2.170.0050.0299.18
5.2.160.0060.0289.18
5.2.150.0030.0339.18
5.2.140.0050.0309.18
5.2.130.0080.0299.13
5.2.120.0080.0269.13
5.2.110.0080.0269.14
5.2.100.0050.0289.14
5.2.90.0090.0379.13
5.2.80.0050.0339.13
5.2.70.0040.0309.13
5.2.60.0040.0309.09
5.2.50.0050.0319.05
5.2.40.0040.0339.04
5.2.30.0030.0339.01
5.2.20.0050.0309.00
5.2.10.0080.0318.93
5.2.00.0060.0318.79
5.1.60.0070.0238.07
5.1.50.0060.0338.07
5.1.40.0050.0308.05
5.1.30.0050.0288.41
5.1.20.0080.0288.42
5.1.10.0050.0238.15
5.1.00.0070.0308.15
5.0.50.0030.0256.63
5.0.40.0040.0206.48
5.0.30.0050.0366.30
5.0.20.0040.0196.27
5.0.10.0050.0186.25
5.0.00.0040.0306.23
4.4.90.0030.0164.78
4.4.80.0020.0164.76
4.4.70.0030.0154.75
4.4.60.0030.0164.76
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0030.0224.75
4.4.20.0010.0174.84
4.4.10.0050.0134.85
4.4.00.0000.0284.76
4.3.110.0040.0144.67
4.3.100.0020.0204.66
4.3.90.0030.0144.64
4.3.80.0010.0264.58
4.3.70.0020.0154.63
4.3.60.0030.0144.62
4.3.50.0030.0154.63
4.3.40.0040.0234.54
4.3.30.0020.0153.29
4.3.20.0010.0163.27
4.3.10.0010.0163.23
4.3.00.0100.0176.87

preferences:
46.85 ms | 400 KiB | 5 Q