3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr(019, 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)
5.6.280.0000.07721.08
5.6.210.0070.03720.44
5.6.200.0100.05718.16
5.6.190.0100.05720.41
5.6.180.0200.07320.41
5.6.170.0200.04720.37
5.6.160.0130.03320.71
5.6.150.0070.06718.22
5.6.140.0030.05718.15
5.6.130.0130.06718.12
5.6.120.0030.08721.11
5.6.110.0170.07020.99
5.6.100.0030.07321.06
5.6.90.0100.07720.94
5.6.80.0130.07020.52
5.5.350.0270.06020.32
5.5.340.0070.07717.89
5.5.330.0130.04320.13
5.5.320.0370.07320.50
5.5.310.0270.07320.30
5.5.300.0070.08017.97
5.5.290.0130.07317.87
5.5.280.0130.08020.88
5.5.270.0000.04320.85
5.5.260.0000.06020.87
5.5.250.0100.07020.54
5.5.240.0070.03020.27
5.4.450.0770.04719.45
5.4.440.0670.06019.12
5.4.430.0630.05719.57
5.4.420.0670.00019.49
5.4.410.0670.00019.37
5.4.400.0630.00018.96
5.4.390.0630.00019.00
5.4.380.0630.00019.17
5.4.370.0600.00018.92
5.4.360.0630.00019.16
5.4.350.0670.00018.98
5.4.340.0030.03911.97
5.4.320.0040.03812.45
5.4.310.0070.04112.45
5.4.300.0070.03812.45
5.4.290.0050.03912.45
5.4.280.0090.03612.35
5.4.270.0060.04212.34
5.4.260.0120.04512.34
5.4.250.0060.04812.35
5.4.240.0060.05312.34
5.4.230.0040.05712.34
5.4.220.0070.03912.34
5.4.210.0060.03612.34
5.4.200.0040.05112.34
5.4.190.0090.04612.33
5.4.180.0160.03512.34
5.4.170.0070.05212.35
5.4.160.0090.04812.34
5.4.150.0150.03912.34
5.4.140.0120.04312.02
5.4.130.0100.04112.01
5.4.120.0060.03611.97
5.4.110.0040.04411.96
5.4.100.0060.03711.96
5.4.90.0100.04311.96
5.4.80.0090.04911.96
5.4.70.0090.03211.96
5.4.60.0080.03611.96
5.4.50.0090.04111.96
5.4.40.0050.04411.95
5.4.30.0120.03511.95
5.4.20.0110.04811.95
5.4.10.0060.04311.95
5.4.00.0040.03811.43
5.3.290.0040.04712.80
5.3.280.0050.04912.71
5.3.270.0080.03812.72
5.3.260.0050.04012.72
5.3.250.0040.04012.72
5.3.240.0090.03512.72
5.3.230.0070.04212.71
5.3.220.0080.03912.68
5.3.210.0060.04512.68
5.3.200.0060.04112.68
5.3.190.0110.04212.67
5.3.180.0050.04012.67
5.3.170.0100.03612.67
5.3.160.0070.04412.67
5.3.150.0090.04312.67
5.3.140.0040.04112.66
5.3.130.0030.04812.66
5.3.120.0110.03912.66
5.3.110.0040.04412.66
5.3.100.0070.04112.12
5.3.90.0050.04112.09
5.3.80.0060.04112.08
5.3.70.0080.04012.07
5.3.60.0120.04612.06
5.3.50.0080.04512.00
5.3.40.0070.03712.00
5.3.30.0090.03611.94
5.3.20.0080.03711.71
5.3.10.0110.04811.68
5.3.00.0120.04611.68
5.2.170.0030.0349.17
5.2.160.0030.0359.18
5.2.150.0090.0369.17
5.2.140.0100.0519.17
5.2.130.0110.0349.13
5.2.120.0060.0399.13
5.2.110.0100.0349.13
5.2.100.0050.0409.13
5.2.90.0080.0409.14
5.2.80.0060.0409.13
5.2.70.0110.0379.13
5.2.60.0050.0439.08
5.2.50.0060.0409.05
5.2.40.0090.0349.03
5.2.30.0070.0399.00
5.2.20.0050.0389.00
5.2.10.0090.0348.93
5.2.00.0070.0408.79
5.1.60.0050.0348.07
5.1.50.0040.0338.07
5.1.40.0040.0368.05
5.1.30.0050.0318.40
5.1.20.0040.0398.43
5.1.10.0040.0318.14
5.1.00.0060.0338.14
5.0.50.0050.0206.63
5.0.40.0030.0206.48
5.0.30.0080.0276.30
5.0.20.0050.0186.27
5.0.10.0040.0206.25
5.0.00.0020.0366.23
4.4.90.0090.0134.78
4.4.80.0040.0154.76
4.4.70.0040.0154.76
4.4.60.0020.0164.75
4.4.50.0060.0124.77
4.4.40.0060.0254.71
4.4.30.0060.0134.76
4.4.20.0030.0164.84
4.4.10.0040.0144.85
4.4.00.0020.0284.76
4.3.110.0040.0144.67
4.3.100.0020.0164.67
4.3.90.0020.0154.63
4.3.80.0030.0304.59
4.3.70.0060.0144.63
4.3.60.0060.0164.63
4.3.50.0020.0204.63
4.3.40.0010.0304.54
4.3.30.0030.0173.29
4.3.20.0030.0153.27
4.3.10.0010.0163.22
4.3.00.0130.0236.77

preferences:
139.87 ms | 1394 KiB | 7 Q