3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'h2'; echo $heading+1;

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)
8.3.40.0070.01118.79
8.3.30.0110.00418.96
8.3.20.0000.00820.04
8.3.10.0070.00023.65
8.3.00.0000.00819.56
8.2.170.0160.00622.96
8.2.160.0100.00720.43
8.2.150.0070.00724.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0040.00420.91
8.2.110.0060.00319.29
8.2.100.0000.01217.72
8.2.90.0000.00817.63
8.2.80.0040.00419.03
8.2.70.0040.00417.93
8.2.60.0000.00718.09
8.2.50.0000.00818.10
8.2.40.0040.00419.34
8.2.30.0070.00020.45
8.2.20.0070.00017.56
8.2.10.0040.00417.92
8.2.00.0060.00317.80
8.1.270.0000.00723.99
8.1.260.0080.00026.35
8.1.250.0020.00528.09
8.1.240.0030.00623.73
8.1.230.0040.00820.98
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0030.00617.23
8.1.180.0000.00718.10
8.1.170.0030.00618.49
8.1.160.0030.00618.86
8.1.150.0040.00418.68
8.1.140.0080.00017.34
8.1.130.0000.00717.82
8.1.120.0030.00317.43
8.1.110.0000.00717.40
8.1.100.0000.00717.40
8.1.90.0000.00717.30
8.1.80.0070.00017.45
8.1.70.0070.00017.33
8.1.60.0040.00417.52
8.1.50.0030.00517.40
8.1.40.0000.00817.52
8.1.30.0060.00317.55
8.1.20.0000.00717.63
8.1.10.0000.00717.61
8.1.00.0080.00017.36
8.0.300.0050.00319.80
8.0.290.0000.00916.58
8.0.280.0030.00318.29
8.0.270.0030.00317.23
8.0.260.0060.00017.15
8.0.250.0000.00716.91
8.0.240.0030.00316.91
8.0.230.0070.00016.81
8.0.220.0030.00316.95
8.0.210.0000.00716.73
8.0.200.0000.00616.96
8.0.190.0040.00416.81
8.0.180.0070.00316.80
8.0.170.0000.00716.89
8.0.160.0030.00316.86
8.0.150.0020.00516.89
8.0.140.0040.00416.91
8.0.130.0060.00013.31
8.0.120.0000.00716.75
8.0.110.0040.00416.75
8.0.100.0040.00416.84
8.0.90.0000.00716.79
8.0.80.0130.00316.84
8.0.70.0000.00716.93
8.0.60.0000.00716.94
8.0.50.0000.00716.93
8.0.30.0100.01216.84
8.0.20.0130.00817.40
8.0.10.0030.00316.88
8.0.00.0080.01016.89
7.4.330.0000.00615.03
7.4.320.0040.00416.53
7.4.300.0030.00316.57
7.4.290.0070.00016.43
7.4.280.0070.00016.38
7.4.270.0000.00716.45
7.4.260.0000.00616.42
7.4.250.0000.00716.30
7.4.240.0050.00216.47
7.4.230.0000.00716.55
7.4.220.0090.00916.46
7.4.210.0130.00716.39
7.4.200.0070.00016.59
7.4.160.0130.01316.34
7.4.150.0150.00617.40
7.4.140.0090.01117.86
7.4.130.0080.01016.38
7.4.120.0130.00516.41
7.4.110.0070.01116.66
7.4.100.0000.01716.54
7.4.90.0090.01016.55
7.4.80.0080.00819.39
7.4.70.0130.00316.37
7.4.60.0070.01016.61
7.4.50.0000.00816.56
7.4.40.0120.00616.65
7.4.30.0060.00916.46
7.4.00.0040.01114.99
7.3.330.0030.00313.06
7.3.320.0000.00512.97
7.3.310.0060.00016.25
7.3.300.0000.00716.16
7.3.290.0090.00916.20
7.3.280.0090.01016.26
7.3.270.0050.01417.40
7.3.260.0190.00616.40
7.3.250.0120.00616.48
7.3.240.0100.00716.49
7.3.230.0090.00616.39
7.3.210.0090.00916.34
7.3.200.0150.00619.39
7.3.190.0100.00716.47
7.3.180.0070.01016.47
7.3.170.0030.01316.40
7.3.160.0120.00316.17
7.3.120.0050.00514.85
7.2.330.0100.00716.25
7.2.320.0060.00916.55
7.2.310.0060.01016.60
7.2.300.0150.00616.63
7.2.290.0040.01216.36
7.2.60.0100.00316.95
7.2.00.0070.01019.25
7.1.200.0070.00415.71
7.1.100.0000.01218.19
7.1.70.0040.00417.05
7.1.60.0100.01319.70
7.1.50.0070.01716.75
7.1.00.0070.07322.54
7.0.200.0000.00816.63
7.0.140.0070.07022.09
7.0.60.0100.07019.93
7.0.50.0070.04017.89
7.0.40.0170.07319.96
7.0.30.0430.04320.30
7.0.20.0400.06320.34
7.0.10.0130.08020.16
7.0.00.0100.04720.17
5.6.280.0030.07720.85
5.6.210.0070.07720.75
5.6.200.0030.04018.09
5.6.190.0130.08320.64
5.6.180.3270.04020.63
5.6.170.0300.04320.48
5.6.160.0030.08020.39
5.6.150.0130.07718.11
5.6.140.0070.08318.16
5.6.130.0070.07018.12
5.6.120.0070.04020.96
5.6.110.0070.07721.01
5.6.100.0030.04020.97
5.6.90.0100.04320.99
5.6.80.0130.07320.50
5.6.70.4570.04020.46
5.5.350.0030.04720.40
5.5.340.0130.07318.01
5.5.330.0000.04720.43
5.5.320.0270.04020.34
5.5.310.0370.09320.21
5.5.300.0030.04018.00
5.5.290.0100.04318.00
5.5.280.0130.08320.98
5.5.270.0170.07320.86
5.5.260.0030.07020.78
5.5.250.0070.08020.57
5.5.240.0230.07020.27
5.4.450.0330.03319.46
5.4.440.0570.03319.40
5.4.430.0500.03719.40
5.4.420.0200.04719.14
5.4.410.0500.05019.08
5.4.400.0330.04019.13
5.4.390.0230.04019.08
5.4.380.0100.05718.61
5.4.370.0330.05718.47
5.4.360.0170.07318.52
5.4.350.0130.05318.57
5.4.340.0130.05018.66
5.4.320.0040.03912.45
5.4.310.0060.03812.45
5.4.300.0090.03412.45
5.4.290.0090.03412.45
5.4.280.0100.03312.34
5.4.270.0060.03612.34
5.4.260.0140.04612.34
5.4.250.0040.04112.35
5.4.240.0060.03912.34
5.4.230.0100.04612.34
5.4.220.0060.04012.34
5.4.210.0070.03412.34
5.4.200.0050.03812.34
5.4.190.0070.03612.33
5.4.180.0050.03712.33
5.4.170.0070.03412.35
5.4.160.0080.04012.34
5.4.150.0080.03312.34
5.4.140.0040.03812.02
5.4.130.0040.03712.01
5.4.120.0060.03511.97
5.4.110.0060.03411.96
5.4.100.0060.04111.96
5.4.90.0090.03511.96
5.4.80.0020.04211.96
5.4.70.0060.03911.96
5.4.60.0070.03411.96
5.4.50.0030.03811.96
5.4.40.0070.03311.95
5.4.30.0040.03711.95
5.4.20.0040.03611.94
5.4.10.0050.03611.95
5.4.00.0040.03811.44
5.3.290.0090.03612.80
5.3.280.0070.04112.71
5.3.270.0060.04012.72
5.3.260.0070.04212.72
5.3.250.0080.03512.72
5.3.240.0050.03912.72
5.3.230.0050.03812.71
5.3.220.0080.03512.68
5.3.210.0070.04112.68
5.3.200.0040.04012.68
5.3.190.0090.03612.68
5.3.180.0100.03212.67
5.3.170.0060.03712.66
5.3.160.0050.03712.67
5.3.150.0100.05212.67
5.3.140.0080.03512.66
5.3.130.0040.04112.65
5.3.120.0060.03712.66
5.3.110.0040.04112.66
5.3.100.0050.03812.12
5.3.90.0040.03912.08
5.3.80.0030.03812.08
5.3.70.0050.03812.07
5.3.60.0050.03812.06
5.3.50.0050.03612.00
5.3.40.0050.03812.00
5.3.30.0060.04311.94
5.3.20.0040.03611.72
5.3.10.0070.03211.69
5.3.00.0060.03511.68
5.2.170.0060.0339.17
5.2.160.0060.0289.18
5.2.150.0050.0309.18
5.2.140.0040.0349.17
5.2.130.0040.0309.13
5.2.120.0040.0309.13
5.2.110.0030.0339.14
5.2.100.0060.0359.14
5.2.90.0050.0379.13
5.2.80.0060.0349.13
5.2.70.0040.0319.13
5.2.60.0090.0259.08
5.2.50.0050.0309.05
5.2.40.0060.0289.03
5.2.30.0060.0309.01
5.2.20.0050.0289.00
5.2.10.0060.0278.93
5.2.00.0050.0358.79
5.1.60.0040.0258.07
5.1.50.0070.0238.07
5.1.40.0040.0248.05
5.1.30.0050.0258.40
5.1.20.0050.0278.42
5.1.10.0020.0298.14
5.1.00.0020.0288.15
5.0.50.0040.0216.63
5.0.40.0050.0256.48
5.0.30.0060.0376.30
5.0.20.0030.0206.27
5.0.10.0050.0266.24
5.0.00.0080.0356.24
4.4.90.0040.0214.78
4.4.80.0030.0164.75
4.4.70.0040.0154.76
4.4.60.0020.0214.75
4.4.50.0010.0194.77
4.4.40.0040.0234.70
4.4.30.0020.0164.75
4.4.20.0050.0134.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0000.0174.66
4.3.90.0020.0154.63
4.3.80.0030.0244.58
4.3.70.0040.0144.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0020.0203.30
4.3.20.0030.0193.27
4.3.10.0020.0173.23
4.3.00.0030.01714.43

preferences:
51.14 ms | 400 KiB | 5 Q