3v4l.org

run code in 300+ PHP versions simultaneously
<?php $something = array(); $something['non-existent'] = & $something['non-existent']; var_export(is_array($something['non-existent']));

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)
8.3.60.0110.00418.30
8.3.50.0100.00922.90
8.3.40.0160.00618.67
8.3.30.0070.00719.23
8.3.20.0030.00520.21
8.3.10.0030.00520.54
8.3.00.0030.00619.38
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0090.00920.29
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0080.00020.99
8.2.110.0070.00420.38
8.2.100.0070.00418.09
8.2.90.0000.00919.22
8.2.80.0000.00817.97
8.2.70.0030.00617.63
8.2.60.0060.00317.93
8.2.50.0120.00018.07
8.2.40.0080.00017.98
8.2.30.0000.00719.41
8.2.20.0030.00517.70
8.2.10.0050.00217.92
8.2.00.0000.00817.61
8.1.280.0140.00325.92
8.1.270.0060.00322.05
8.1.260.0000.00826.35
8.1.250.0030.01028.09
8.1.240.0090.00023.77
8.1.230.0080.00319.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0090.00017.22
8.1.180.0000.00918.10
8.1.170.0000.00818.50
8.1.160.0040.00421.94
8.1.150.0000.00718.82
8.1.140.0050.00217.32
8.1.130.0000.00717.77
8.1.120.0000.00817.29
8.1.110.0080.00017.27
8.1.100.0040.00417.27
8.1.90.0050.00317.42
8.1.80.0000.00717.38
8.1.70.0030.00517.32
8.1.60.0040.00417.50
8.1.50.0060.00317.52
8.1.40.0030.00617.43
8.1.30.0030.00517.48
8.1.20.0000.00717.52
8.1.10.0040.00417.46
8.1.00.0000.00717.57
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0020.00518.29
8.0.270.0030.00517.14
8.0.260.0000.00618.37
8.0.250.0030.00316.84
8.0.240.0000.00716.80
8.0.230.0000.00716.86
8.0.220.0000.00916.67
8.0.210.0050.00316.70
8.0.200.0000.00616.73
8.0.190.0000.00716.79
8.0.180.0070.00016.84
8.0.170.0050.00316.71
8.0.160.0000.00716.91
8.0.150.0030.00316.68
8.0.140.0040.00416.76
8.0.130.0000.00513.33
8.0.120.0000.00816.82
8.0.110.0050.00316.80
8.0.100.0050.00316.88
8.0.90.0040.00416.69
8.0.80.0070.01016.86
8.0.70.0040.00416.71
8.0.60.0000.00816.63
8.0.50.0000.00716.84
8.0.30.0150.00916.90
8.0.20.0100.00917.40
8.0.10.0040.00416.98
8.0.00.0120.00916.86
7.4.330.0000.00515.07
7.4.320.0030.00316.48
7.4.300.0000.00616.57
7.4.290.0070.00016.43
7.4.280.0090.00216.42
7.4.270.0030.00316.41
7.4.260.0000.01116.31
7.4.250.0000.00716.34
7.4.240.0020.00516.43
7.4.230.0070.00016.35
7.4.220.0220.00816.61
7.4.210.0040.01016.56
7.4.200.0070.00016.32
7.4.160.0000.01716.44
7.4.150.0140.00517.40
7.4.140.0090.01217.86
7.4.130.0100.00816.42
7.4.120.0060.01116.40
7.4.110.0120.00616.51
7.4.100.0170.00016.43
7.4.90.0070.01116.36
7.4.80.0140.00919.39
7.4.70.0100.00616.51
7.4.60.0100.00716.50
7.4.50.0060.00316.63
7.4.40.0040.01216.29
7.4.30.0130.00716.52
7.4.00.0080.00814.63
7.3.330.0000.00613.09
7.3.320.0000.00512.93
7.3.310.0000.00716.13
7.3.300.0060.00016.18
7.3.290.0030.01016.36
7.3.280.0090.00916.21
7.3.270.0120.00617.40
7.3.260.0070.01016.62
7.3.250.0130.00516.36
7.3.240.0030.01316.46
7.3.230.0080.01216.39
7.3.210.0100.00716.27
7.3.200.0070.01019.39
7.3.190.0090.01216.23
7.3.180.0060.00916.17
7.3.170.0090.01416.27
7.3.160.0100.00716.35
7.3.10.0070.00716.63
7.3.00.0050.00716.40
7.2.330.0040.01416.45
7.2.320.0120.00616.37
7.2.310.0140.00316.49
7.2.300.0120.00916.58
7.2.290.0060.01216.57
7.2.130.0030.01216.66
7.2.120.0120.00316.74
7.2.110.0030.01116.75
7.2.100.0050.01016.50
7.2.90.0080.00816.72
7.2.80.0070.00616.76
7.2.70.0050.01016.50
7.2.60.0080.00916.73
7.2.50.0030.01016.76
7.2.40.0080.00616.55
7.2.30.0100.00416.80
7.2.20.0020.01216.90
7.2.10.0040.00816.69
7.2.00.0070.01017.38
7.1.250.0040.00815.51
7.1.200.0000.00815.74
7.1.100.0110.00018.10
7.1.70.0040.00417.14
7.1.60.0090.01219.46
7.1.50.0200.01634.80
7.1.00.0100.07022.37
7.0.200.0190.00614.96
7.0.140.0000.07721.97
7.0.60.0030.08019.82
7.0.50.0000.08717.81
7.0.40.0100.04720.20
7.0.30.0230.04720.09
7.0.20.0400.07320.09
7.0.10.0130.03320.00
7.0.00.0070.08320.16
5.6.280.0000.07720.89
5.6.210.0000.07020.46
5.6.200.0130.08018.21
5.6.190.0030.09320.77
5.6.180.0230.08020.64
5.6.170.0300.07720.47
5.6.160.0000.04320.46
5.6.150.0030.04018.21
5.6.140.0030.04318.16
5.6.130.0070.08018.14
5.6.120.0000.08721.02
5.6.110.0130.08021.07
5.6.100.0170.08021.10
5.6.90.0070.04321.01
5.6.80.0030.03720.40
5.5.350.0330.06020.32
5.5.340.0070.08317.92
5.5.330.0070.03720.47
5.5.320.0130.04320.20
5.5.310.0130.04720.50
5.5.300.0000.05018.02
5.5.290.0000.04317.88
5.5.280.0130.05020.77
5.5.270.0170.07320.73
5.5.260.0030.09320.83
5.5.250.0000.06720.70
5.5.240.0070.07020.22
5.4.450.0170.04319.14
5.4.440.0600.04019.39
5.4.430.0300.04719.54
5.4.420.0370.04719.54
5.4.410.0300.03019.00
5.4.400.0070.04018.94
5.4.390.0230.04018.91
5.4.380.0470.05018.70
5.4.370.0300.06018.64
5.4.360.0230.06018.72
5.4.350.0330.05318.77
5.4.340.0400.06318.71
5.4.320.0060.04012.46
5.4.310.0060.04812.45
5.4.300.0090.03712.45
5.4.290.0070.04812.45
5.4.280.0090.04312.35
5.4.270.0070.04312.35
5.4.260.0080.04612.34
5.4.250.0090.03912.34
5.4.240.0110.04112.34
5.4.230.0060.03812.34
5.4.220.0070.04012.34
5.4.210.0130.04112.34
5.4.200.0060.04512.34
5.4.190.0090.03812.34
5.4.180.0090.04212.33
5.4.170.0100.04312.35
5.4.160.0060.04212.34
5.4.150.0090.05012.34
5.4.140.0050.04812.02
5.4.130.0080.03912.01
5.4.120.0050.05211.97
5.4.110.0070.04411.96
5.4.100.0070.03411.96
5.4.90.0060.04611.96
5.4.80.0080.03911.96
5.4.70.0050.03811.96
5.4.60.0070.03811.96
5.4.50.0070.04211.96
5.4.40.0080.03511.95
5.4.30.0050.03811.95
5.4.20.0080.03411.95
5.4.10.0070.03611.95
5.4.00.0050.04211.44
5.3.290.0100.03612.80
5.3.280.0060.04012.71
5.3.270.0070.04312.72
5.3.260.0080.05012.72
5.3.250.0120.04512.72
5.3.240.0100.04012.72
5.3.230.0090.04612.71
5.3.220.0060.03812.68
5.3.210.0100.03712.68
5.3.200.0110.04712.68
5.3.190.0080.05012.68
5.3.180.0040.04012.68
5.3.170.0080.04912.67
5.3.160.0070.03712.67
5.3.150.0060.03912.67
5.3.140.0100.04512.66
5.3.130.0080.03812.66
5.3.120.0040.04112.66
5.3.110.0080.03612.66
5.3.100.0100.04812.12
5.3.90.0080.04412.08
5.3.80.0080.04712.08
5.3.70.0080.03412.07
5.3.60.0050.03912.07
5.3.50.0040.03812.00
5.3.40.0060.03712.00
5.3.30.0050.03711.94
5.3.20.0050.04211.72
5.3.10.0070.05011.69
5.3.00.0080.04011.68
5.2.170.0100.0369.18
5.2.160.0080.0269.18
5.2.150.0060.0309.18
5.2.140.0030.0349.17
5.2.130.0030.0339.14
5.2.120.0060.0279.13
5.2.110.0040.0309.14
5.2.100.0040.0299.13
5.2.90.0060.0309.13
5.2.80.0090.0459.13
5.2.70.0080.0339.13
5.2.60.0070.0389.09
5.2.50.0050.0409.05
5.2.40.0050.0399.03
5.2.30.0080.0389.00
5.2.20.0070.0298.99
5.2.10.0030.0318.92
5.2.00.0060.0298.77
5.1.60.0030.0288.06
5.1.50.0060.0238.05
5.1.40.0040.0258.04
5.1.30.0020.0298.39
5.1.20.0070.0248.41
5.1.10.0050.0308.14
5.1.00.0030.0278.14
5.0.50.0030.0216.61
5.0.40.0040.0196.47
5.0.30.0050.0346.29
5.0.20.0080.0226.25
5.0.10.0060.0266.23
5.0.00.0020.0346.23
4.4.90.0030.0194.78
4.4.80.0030.0144.75
4.4.70.0040.0184.75
4.4.60.0040.0214.76
4.4.50.0020.0164.77
4.4.40.0060.0264.71
4.4.30.0020.0234.76
4.4.20.0050.0254.84
4.4.10.0030.0224.84
4.4.00.0050.0334.76
4.3.110.0030.0154.67
4.3.100.0040.0174.66
4.3.90.0040.0234.63
4.3.80.0050.0284.59
4.3.70.0030.0204.63
4.3.60.0040.0254.63
4.3.50.0030.0164.63
4.3.40.0020.0284.54
4.3.30.0020.0173.28
4.3.20.0020.0173.25
4.3.10.0030.0213.22
4.3.00.0100.01714.95

preferences:
46.25 ms | 400 KiB | 5 Q