3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = 'test'; !empty($a)

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)
5.4.320.0100.03212.46
5.4.310.0090.04512.46
5.4.300.0030.04312.46
5.4.290.0020.04112.46
5.4.280.0060.03712.36
5.4.270.0050.03712.36
5.4.260.0090.03812.36
5.4.250.0020.04112.36
5.4.240.0050.03612.36
5.4.230.0080.03512.35
5.4.220.0050.03612.35
5.4.210.0040.04012.35
5.4.200.0070.03612.35
5.4.190.0050.03612.35
5.4.180.0100.03312.34
5.4.170.0030.03912.36
5.4.160.0060.03612.35
5.4.150.0080.03612.35
5.4.140.0070.04812.04
5.4.130.0060.03612.02
5.4.120.0040.03911.98
5.4.110.0090.04011.98
5.4.100.0060.03511.98
5.4.90.0080.03711.98
5.4.80.0050.03811.98
5.4.70.0060.03511.98
5.4.60.0060.03811.98
5.4.50.0050.03511.98
5.4.40.0040.03611.96
5.4.30.0070.03811.96
5.4.20.0070.03611.95
5.4.10.0050.03511.96
5.4.00.0090.03311.46
5.3.290.0050.04112.80
5.3.280.0060.03812.71
5.3.270.0040.03912.73
5.3.260.0060.03812.72
5.3.250.0070.03712.72
5.3.240.0060.03612.72
5.3.230.0050.03912.71
5.3.220.0070.03612.68
5.3.210.0050.03912.68
5.3.200.0090.03612.68
5.3.190.0040.03812.68
5.3.180.0030.04112.67
5.3.170.0030.03912.67
5.3.160.0060.03612.67
5.3.150.0050.03712.67
5.3.140.0090.03512.66
5.3.130.0060.03812.66
5.3.120.0040.04012.65
5.3.110.0080.03612.66
5.3.100.0050.03712.12
5.3.90.0050.03712.08
5.3.80.0030.03912.08
5.3.70.0080.03612.08
5.3.60.0070.03412.07
5.3.50.0050.03612.00
5.3.40.0040.03812.00
5.3.30.0030.03611.95
5.3.20.0030.03811.73
5.3.10.0030.03711.70
5.3.00.0050.03711.68
5.2.170.0070.0359.18
5.2.160.0050.0289.18
5.2.150.0070.0329.18
5.2.140.0050.0429.18
5.2.130.0040.0289.14
5.2.120.0030.0319.14
5.2.110.0070.0339.15
5.2.100.0050.0309.14
5.2.90.0040.0309.14
5.2.80.0040.0309.14
5.2.70.0060.0359.14
5.2.60.0070.0279.09
5.2.50.0030.0329.06
5.2.40.0020.0309.04
5.2.30.0040.0299.02
5.2.20.0050.0369.00
5.2.10.0080.0308.92
5.2.00.0050.0298.79
5.1.60.0040.0248.06
5.1.50.0050.0258.07
5.1.40.0050.0268.05
5.1.30.0040.0268.40
5.1.20.0050.0258.42
5.1.10.0040.0298.14
5.1.00.0050.0258.14
5.0.50.0060.0216.62
5.0.40.0020.0206.48
5.0.30.0040.0316.29
5.0.20.0030.0216.27
5.0.10.0030.0206.24
5.0.00.0060.0286.23
4.4.90.0080.0154.78
4.4.80.0010.0174.76
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0040.0144.77
4.4.40.0030.0244.71
4.4.30.0030.0154.76
4.4.20.0030.0154.85
4.4.10.0010.0244.85
4.4.00.0020.0254.76
4.3.110.0060.0124.67
4.3.100.0010.0204.67
4.3.90.0020.0154.63
4.3.80.0050.0244.59
4.3.70.0050.0174.63
4.3.60.0040.0134.63
4.3.50.0070.0184.63
4.3.40.0030.0244.54
4.3.30.0030.0233.28
4.3.20.0010.0223.26
4.3.10.0040.0243.21
4.3.00.0030.0206.82

preferences:
142.46 ms | 1394 KiB | 7 Q