3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(isset(NULL)); ?>

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)
5.4.280.0040.03912.36
5.4.270.0060.04012.36
5.4.260.0070.05112.36
5.4.250.0110.03912.36
5.4.240.0100.05212.36
5.4.230.0070.05112.35
5.4.220.0080.05212.36
5.4.210.0160.05012.35
5.4.200.0110.04412.35
5.4.190.0120.04412.35
5.4.180.0100.04512.35
5.4.170.0110.05112.36
5.4.160.0080.06312.36
5.4.150.0110.05012.35
5.4.140.0120.04412.04
5.4.130.0100.04912.02
5.4.120.0130.06111.99
5.4.110.0180.08111.98
5.4.100.0130.04511.98
5.4.90.0120.05211.98
5.4.80.0110.03911.98
5.4.70.0090.04211.98
5.4.60.0150.05411.98
5.4.50.0060.04711.98
5.4.40.0100.03811.96
5.4.30.0100.03711.96
5.4.20.0110.07711.96
5.4.10.0100.04711.96
5.4.00.0140.06511.46
5.3.280.0100.04112.71
5.3.270.0090.05112.73
5.3.260.0170.05012.72
5.3.250.0240.07312.72
5.3.240.0150.09012.72
5.3.230.0250.08212.71
5.3.220.0100.04612.68
5.3.210.0130.05312.68
5.3.200.0090.04812.68
5.3.190.0080.04012.68
5.3.180.0090.03712.67
5.3.170.0140.04612.67
5.3.160.0070.04112.67
5.3.150.0140.03112.68
5.3.140.0140.05812.66
5.3.130.0210.07512.65
5.3.120.0120.06912.66
5.3.110.0110.04812.66
5.3.100.0060.05112.12
5.3.90.0090.07412.09
5.3.80.0110.04312.07
5.3.70.0310.09312.08
5.3.60.0230.04212.06
5.3.50.0090.04112.00
5.3.40.0120.06612.00
5.3.30.0080.04611.94
5.3.20.0080.05711.70
5.3.10.0120.04411.67
5.3.00.0090.03411.65
5.2.170.0090.0459.15
5.2.160.0030.0339.15
5.2.150.0050.0339.15
5.2.140.0090.0319.14
5.2.130.0050.0349.11
5.2.120.0050.0319.11
5.2.110.0040.0389.12
5.2.100.0070.0369.12
5.2.90.0110.0369.11
5.2.80.0050.0469.11
5.2.70.0100.0419.11
5.2.60.0240.0679.06
5.2.50.0070.0369.03
5.2.40.0050.0339.01
5.2.30.0050.0348.99
5.2.20.0070.0368.98
5.2.10.0060.0298.90
5.2.00.0060.0318.76
5.1.60.0050.0258.04
5.1.50.0050.0268.04
5.1.40.0050.0238.03
5.1.30.0080.0278.38
5.1.20.0050.0308.40
5.1.10.0060.0278.12
5.1.00.0090.0328.12
5.0.50.0040.0366.60
5.0.40.0070.0206.45
5.0.30.0040.0356.27
5.0.20.0020.0226.25
5.0.10.0030.0296.22
5.0.00.0040.0366.21
4.4.90.0040.0154.78
4.4.80.0020.0174.76
4.4.70.0030.0164.76
4.4.60.0050.0164.76
4.4.50.0080.0154.77
4.4.40.0020.0264.71
4.4.30.0030.0174.76
4.4.20.0060.0214.85
4.4.10.0040.0234.85
4.4.00.0060.0444.76
4.3.110.0050.0214.67
4.3.100.0050.0204.66
4.3.90.0090.0184.64
4.3.80.0050.0304.59
4.3.70.0080.0214.63
4.3.60.0040.0234.63
4.3.50.0050.0214.63
4.3.40.0040.0264.54
4.3.30.0030.0173.27
4.3.20.0000.0203.25
4.3.10.0020.0223.21
4.3.00.0330.02010.30

preferences:
138.48 ms | 1394 KiB | 7 Q