3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (!'') { echo 'a'; } else { echo '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)
8.3.40.0080.00818.54
8.3.30.0140.00718.96
8.3.20.0070.00020.12
8.3.10.0040.00420.57
8.3.00.0000.00819.38
8.2.170.0160.00622.96
8.2.160.0040.01120.39
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0030.00526.16
8.2.120.0050.00321.95
8.2.110.0030.00622.13
8.2.100.0040.00817.91
8.2.90.0000.00919.22
8.2.80.0080.00017.97
8.2.70.0030.00517.63
8.2.60.0050.00317.80
8.2.50.0030.00518.07
8.2.40.0000.00718.03
8.2.30.0060.00317.96
8.2.20.0040.00417.53
8.2.10.0000.00717.93
8.2.00.0020.00517.52
8.1.270.0030.00622.04
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00622.04
8.1.230.0030.00719.10
8.1.220.0040.00417.74
8.1.210.0000.00718.77
8.1.200.0000.00917.10
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0040.00418.61
8.1.160.0040.00421.92
8.1.150.0000.00718.64
8.1.140.0040.00417.23
8.1.130.0000.00717.65
8.1.120.0030.00617.24
8.1.110.0060.00317.21
8.1.100.0000.00717.28
8.1.90.0070.00017.23
8.1.80.0000.00817.24
8.1.70.0040.00417.21
8.1.60.0000.00817.40
8.1.50.0060.00317.37
8.1.40.0040.00417.37
8.1.30.0000.00917.47
8.1.20.0000.00817.56
8.1.10.0040.00417.49
8.1.00.0000.00817.34
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0070.00018.38
8.0.270.0040.00417.23
8.0.260.0030.00317.18
8.0.250.0040.00416.91
8.0.240.0000.00716.77
8.0.230.0070.00016.75
8.0.220.0000.00616.71
8.0.210.0030.00316.87
8.0.200.0000.00716.73
8.0.190.0060.00316.91
8.0.180.0030.00316.80
8.0.170.0040.00416.88
8.0.160.0030.00316.81
8.0.150.0030.00316.79
8.0.140.0040.00816.72
8.0.130.0030.00313.24
8.0.120.0000.00816.69
8.0.110.0000.00716.81
8.0.100.0040.00416.71
8.0.90.0070.00016.75
8.0.80.0040.01116.77
8.0.70.0000.00716.70
8.0.60.0000.00716.79
8.0.50.0040.00416.78
8.0.30.0060.01116.85
8.0.20.0110.01017.40
8.0.10.0040.00416.82
8.0.00.0090.01316.75
7.4.330.0050.00015.08
7.4.320.0040.00416.38
7.4.300.0000.00716.36
7.4.290.0030.00316.37
7.4.280.0030.00616.40
7.4.270.0060.00016.47
7.4.260.0000.00716.35
7.4.250.0050.00316.35
7.4.240.0000.00716.41
7.4.230.0070.00016.30
7.4.220.0090.01016.27
7.4.210.0030.01016.43
7.4.200.0000.00716.56
7.4.160.0070.01316.39
7.4.150.0090.00917.40
7.4.140.0090.01117.86
7.4.130.0090.00916.31
7.4.120.0110.00616.44
7.4.110.0120.00316.38
7.4.100.0060.01016.39
7.4.90.0070.01416.48
7.4.80.0040.01719.39
7.4.70.0130.00316.41
7.4.60.0070.01016.40
7.4.50.0050.00016.29
7.4.40.0110.00516.40
7.4.30.0060.01116.43
7.4.00.0000.01515.03
7.3.330.0050.00013.13
7.3.320.0000.00513.00
7.3.310.0040.00416.08
7.3.300.0000.00716.23
7.3.290.0040.01016.16
7.3.280.0090.00616.22
7.3.270.0070.01017.40
7.3.260.0130.00316.28
7.3.250.0090.00816.37
7.3.240.0130.01016.46
7.3.230.0110.00416.39
7.3.210.0050.01116.25
7.3.200.0120.00619.39
7.3.190.0100.01016.36
7.3.180.0090.00616.46
7.3.170.0110.00516.33
7.3.160.0060.01516.33
7.2.330.0140.00316.56
7.2.320.0030.01516.49
7.2.310.0000.01616.59
7.2.300.0080.00816.36
7.2.290.0230.00016.57
7.2.00.0000.01319.14
7.1.200.0080.00515.75
7.1.100.0040.00717.88
7.1.70.0000.01017.01
7.1.60.0090.01219.32
7.1.50.0070.01416.58
7.1.00.0000.08022.41
7.0.200.0030.00516.77
7.0.140.0000.07322.07
7.0.60.0000.04320.00
7.0.50.0100.07717.85
7.0.40.0100.07720.05
7.0.30.0300.05720.02
7.0.20.0230.05020.00
7.0.10.0000.09020.18
7.0.00.0170.07720.20
5.6.280.0130.06320.91
5.6.210.0070.06320.46
5.6.200.0070.08018.13
5.6.190.0070.08020.27
5.6.180.0400.04020.57
5.6.170.0300.07320.54
5.6.160.0100.06720.46
5.6.150.0030.08318.24
5.6.140.0070.05018.15
5.6.130.0070.05318.21
5.6.120.0030.04320.93
5.6.110.0070.08720.97
5.6.100.0030.08721.13
5.6.90.0100.08320.87
5.6.80.0230.05720.35
5.5.350.0100.05320.41
5.5.340.0030.08017.88
5.5.330.0000.06020.14
5.5.320.0370.07320.36
5.5.310.0370.07320.23
5.5.300.0030.05717.88
5.5.290.0130.07317.99
5.5.280.0070.08720.77
5.5.270.0100.05720.74
5.5.260.0100.08020.64
5.5.250.0070.06720.54
5.5.240.0230.07020.28
5.4.450.0070.04319.43
5.4.440.1000.06319.45
5.4.430.0870.05019.61
5.4.420.0630.00019.68
5.4.410.0600.00019.32
5.4.400.0670.00019.02
5.4.390.0600.00019.06
5.4.380.0630.00019.11
5.4.370.0630.00019.13
5.4.360.0600.00019.18
5.4.350.0670.00019.02
5.4.340.0730.00019.00
5.4.320.0070.03712.45
5.4.310.0060.04612.45
5.4.300.0070.03512.45
5.4.290.0050.03912.45
5.4.280.0080.03412.34
5.4.270.0100.03412.35
5.4.260.0070.03812.34
5.4.250.0060.03912.34
5.4.240.0050.03712.34
5.4.230.0060.03712.34
5.4.220.0060.03612.34
5.4.210.0060.04112.34
5.4.200.0060.03712.34
5.4.190.0040.03912.34
5.4.180.0080.03312.33
5.4.170.0050.03712.34
5.4.160.0020.04112.34
5.4.150.0040.03812.34
5.4.140.0040.04012.02
5.4.130.0090.03312.01
5.4.120.0030.03811.96
5.4.110.0100.03111.96
5.4.100.0070.03411.96
5.4.90.0060.03811.96
5.4.80.0080.04411.96
5.4.70.0070.03611.96
5.4.60.0070.05211.96
5.4.50.0060.03711.96
5.4.40.0070.03411.95
5.4.30.0070.04411.95
5.4.20.0070.03811.95
5.4.10.0090.03311.95
5.4.00.0060.03711.44
5.3.290.0080.04412.80
5.3.280.0090.03512.71
5.3.270.0040.04012.72
5.3.260.0050.04012.72
5.3.250.0070.03712.72
5.3.240.0050.03812.72
5.3.230.0070.03612.70
5.3.220.0060.04212.68
5.3.210.0050.05212.68
5.3.200.0060.03912.68
5.3.190.0080.03712.68
5.3.180.0070.03812.67
5.3.170.0070.03912.67
5.3.160.0090.04212.67
5.3.150.0050.03812.67
5.3.140.0050.04112.66
5.3.130.0080.04412.65
5.3.120.0100.04112.66
5.3.110.0110.04912.66
5.3.100.0040.04112.12
5.3.90.0070.03712.08
5.3.80.0020.04412.08
5.3.70.0100.03212.08
5.3.60.0070.03712.07
5.3.50.0050.03812.00
5.3.40.0090.03812.00
5.3.30.0060.03611.94
5.3.20.0110.03211.71
5.3.10.0060.03511.69
5.3.00.0040.04011.68
5.2.170.0030.0329.17
5.2.160.0020.0329.17
5.2.150.0110.0239.18
5.2.140.0050.0309.17
5.2.130.0010.0329.13
5.2.120.0070.0309.13
5.2.110.0080.0309.14
5.2.100.0050.0299.14
5.2.90.0050.0299.14
5.2.80.0090.0269.13
5.2.70.0040.0309.13
5.2.60.0060.0289.08
5.2.50.0030.0339.05
5.2.40.0040.0329.03
5.2.30.0080.0389.01
5.2.20.0070.0408.99
5.2.10.0050.0328.91
5.2.00.0030.0308.77
5.1.60.0040.0238.06
5.1.50.0040.0258.05
5.1.40.0040.0248.04
5.1.30.0070.0238.39
5.1.20.0020.0288.41
5.1.10.0030.0268.13
5.1.00.0040.0268.14
5.0.50.0040.0206.61
5.0.40.0030.0196.47
5.0.30.0030.0316.29
5.0.20.0010.0216.25
5.0.10.0040.0196.23
5.0.00.0050.0286.22
4.4.90.0010.0164.78
4.4.80.0020.0164.76
4.4.70.0020.0164.76
4.4.60.0030.0154.76
4.4.50.0030.0154.77
4.4.40.0020.0264.71
4.4.30.0020.0174.76
4.4.20.0050.0134.84
4.4.10.0050.0174.85
4.4.00.0040.0244.76
4.3.110.0020.0184.67
4.3.100.0030.0154.66
4.3.90.0030.0194.64
4.3.80.0060.0224.58
4.3.70.0040.0134.63
4.3.60.0010.0164.63
4.3.50.0030.0154.62
4.3.40.0030.0244.54
4.3.30.0020.0203.28
4.3.20.0030.0173.25
4.3.10.0030.0153.21
4.3.00.0070.01316.50

preferences:
39.07 ms | 400 KiB | 5 Q