3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = false; var_dump( empty($x[0]) ); echo phpversion();

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)
7.1.70.0030.00916.75
7.1.60.0160.00619.40
7.1.50.0080.01516.70
7.1.00.0070.07322.30
7.0.200.0060.00616.68
7.0.140.0000.07721.92
7.0.60.0030.04719.91
7.0.50.0000.04317.86
7.0.40.0030.05319.96
7.0.30.0530.05720.17
7.0.20.0270.05320.18
7.0.10.0000.07720.16
7.0.00.0070.08320.16
5.6.280.0030.07321.09
5.6.210.0030.08720.68
5.6.200.0130.06318.16
5.6.190.0030.06020.41
5.6.180.0300.08020.45
5.6.170.0300.05720.54
5.6.160.0030.08720.51
5.6.150.0030.08718.08
5.6.140.0030.04718.20
5.6.130.0130.07718.18
5.6.120.0030.04320.97
5.6.110.0130.06720.95
5.6.100.0070.07320.97
5.6.90.0100.07720.95
5.6.80.0100.08020.50
5.5.350.0070.07020.32
5.5.340.0030.04317.89
5.5.330.0130.07320.13
5.5.320.0430.07320.30
5.5.310.0230.07320.24
5.5.300.0130.03317.88
5.5.290.0100.04317.88
5.5.280.0070.04020.87
5.5.270.0100.05320.79
5.5.260.0100.07320.71
5.5.250.0170.07020.58
5.5.240.0230.07020.06
5.4.450.0330.05019.48
5.4.440.0530.04719.38
5.4.430.0200.03019.23
5.4.420.0470.04319.57
5.4.410.0200.04719.45
5.4.400.0600.03319.11
5.4.390.0130.05319.10
5.4.380.0400.05318.68
5.4.370.0470.07018.63
5.4.360.0430.04018.59
5.4.350.0400.04718.77
5.4.340.0300.05718.75
5.4.320.0030.03912.45
5.4.310.0030.04012.45
5.4.300.0070.03512.45
5.4.290.0040.03912.45
5.4.280.0100.03512.34
5.4.270.0070.04012.35
5.4.260.0100.03312.35
5.4.250.0030.04012.34
5.4.240.0040.03812.34
5.4.230.0050.03712.34
5.4.220.0050.03612.34
5.4.210.0120.02912.34
5.4.200.0060.04012.34
5.4.190.0090.03512.33
5.4.180.0050.03912.33
5.4.170.0040.03812.35
5.4.160.0050.03612.34
5.4.150.0060.03512.34
5.4.140.0120.03112.02
5.4.130.0060.03412.01
5.4.120.0080.03211.96
5.4.110.0080.03111.96
5.4.100.0080.03211.96
5.4.90.0090.03411.96
5.4.80.0050.03711.96
5.4.70.0070.04311.96
5.4.60.0060.03511.96
5.4.50.0100.03011.96
5.4.40.0030.03711.95
5.4.30.0070.04511.95
5.4.20.0050.03811.94
5.4.10.0080.03211.95
5.4.00.0080.03311.43
5.3.290.0100.03612.80
5.3.280.0080.03612.71
5.3.270.0080.03612.73
5.3.260.0050.03912.72
5.3.250.0060.03612.72
5.3.240.0050.03712.72
5.3.230.0080.03512.71
5.3.220.0090.03412.68
5.3.210.0030.04212.68
5.3.200.0020.03912.68
5.3.190.0060.03712.68
5.3.180.0040.03812.67
5.3.170.0050.03712.67
5.3.160.0050.03812.67
5.3.150.0040.03912.67
5.3.140.0060.03512.66
5.3.130.0100.04512.66
5.3.120.0080.04012.66
5.3.110.0050.03812.66
5.3.100.0040.03812.12
5.3.90.0040.03812.08
5.3.80.0060.03412.08
5.3.70.0060.03612.08
5.3.60.0050.03612.06
5.3.50.0030.03812.00
5.3.40.0060.03612.00
5.3.30.0080.03211.94
5.3.20.0030.03711.72
5.3.10.0040.03511.69
5.3.00.0040.03811.67
5.2.170.0070.0289.18
5.2.160.0040.0309.18
5.2.150.0050.0309.18
5.2.140.0040.0319.18
5.2.130.0060.0289.13
5.2.120.0050.0289.13
5.2.110.0040.0319.14
5.2.100.0020.0339.13
5.2.90.0060.0279.13
5.2.80.0080.0369.13
5.2.70.0060.0399.13
5.2.60.0080.0389.09
5.2.50.0060.0419.05
5.2.40.0030.0419.03
5.2.30.0060.0339.01
5.2.20.0040.0298.99
5.2.10.0040.0298.92
5.2.00.0040.0298.77
5.1.60.0000.0288.06
5.1.50.0020.0278.06
5.1.40.0030.0268.04
5.1.30.0040.0268.39
5.1.20.0050.0268.40
5.1.10.0050.0248.14
5.1.00.0050.0248.13
5.0.50.0050.0196.61
5.0.40.0060.0176.46
5.0.30.0030.0326.29
5.0.20.0030.0206.25
5.0.10.0030.0216.23
5.0.00.0030.0336.22
4.4.90.0040.0154.77
4.4.80.0050.0134.75
4.4.70.0020.0164.75
4.4.60.0040.0164.75
4.4.50.0030.0154.77
4.4.40.0030.0254.71
4.4.30.0030.0154.76
4.4.20.0020.0164.84
4.4.10.0020.0164.85
4.4.00.0010.0264.76
4.3.110.0030.0164.67
4.3.100.0020.0164.66
4.3.90.0030.0144.64
4.3.80.0010.0264.59
4.3.70.0030.0144.63
4.3.60.0000.0174.63
4.3.50.0030.0154.63
4.3.40.0010.0264.54
4.3.30.0010.0163.28
4.3.20.0010.0173.26
4.3.10.0000.0183.21
4.3.00.0170.02015.98

preferences:
38.98 ms | 400 KiB | 5 Q