3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test() { return null } var_dump(empty(test()));

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)
5.4.310.0060.03812.51
5.4.300.0050.03612.52
5.4.290.0070.03612.50
5.4.280.0070.03412.41
5.4.270.0040.03812.41
5.4.260.0100.03912.41
5.4.250.0070.04512.40
5.4.240.0060.03712.40
5.4.230.0080.03612.40
5.4.220.0050.03612.40
5.4.210.0040.04112.40
5.4.200.0050.03912.39
5.4.190.0110.03412.39
5.4.180.0010.04312.39
5.4.170.0080.03412.40
5.4.160.0090.03212.40
5.4.150.0020.04512.39
5.4.140.0040.03812.09
5.4.130.0080.04112.07
5.4.120.0040.04512.03
5.4.110.0040.04512.03
5.4.100.0070.04112.02
5.4.90.0050.03712.02
5.4.80.0070.03512.03
5.4.70.0060.03412.02
5.4.60.0050.03512.02
5.4.50.0060.03512.02
5.4.40.0040.03712.01
5.4.30.0030.03912.00
5.4.20.0080.03512.01
5.4.10.0050.03412.01
5.4.00.0080.03411.50
5.3.280.0070.04712.71
5.3.270.0080.03712.72
5.3.260.0110.03312.72
5.3.250.0080.03612.72
5.3.240.0080.03612.72
5.3.230.0070.03712.71
5.3.220.0080.03612.68
5.3.210.0090.03612.68
5.3.200.0110.03112.68
5.3.190.0050.04112.68
5.3.180.0060.03812.67
5.3.170.0080.03312.67
5.3.160.0040.03712.67
5.3.150.0050.03712.67
5.3.140.0070.03512.66
5.3.130.0060.04512.66
5.3.120.0020.04312.66
5.3.110.0070.03812.66
5.3.100.0060.03812.13
5.3.90.0100.03612.11
5.3.80.0070.04012.09
5.3.70.0090.04412.09
5.3.60.0040.03912.08
5.3.50.0060.03812.02
5.3.40.0040.04312.02
5.3.30.0100.03611.98
5.3.20.0060.03611.77
5.3.10.0060.03611.73
5.3.00.0070.03611.71
5.2.170.0050.0339.22
5.2.160.0080.0389.21
5.2.150.0050.0329.21
5.2.140.0080.0329.21
5.2.130.0060.0339.17
5.2.120.0070.0309.18
5.2.110.0050.0309.18
5.2.100.0060.0319.17
5.2.90.0080.0339.18
5.2.80.0030.0379.18
5.2.70.0040.0369.17
5.2.60.0020.0339.13
5.2.50.0020.0359.09
5.2.40.0050.0299.07
5.2.30.0030.0319.05
5.2.20.0070.0279.04
5.2.10.0030.0308.95
5.2.00.0050.0298.80
5.1.60.0050.0248.09
5.1.50.0030.0268.08
5.1.40.0030.0268.07
5.1.30.0080.0248.42
5.1.20.0070.0258.43
5.1.10.0020.0288.16
5.1.00.0050.0268.16
5.0.50.0030.0246.64
5.0.40.0030.0236.49
5.0.30.0050.0356.31
5.0.20.0010.0246.29
5.0.10.0040.0276.25
5.0.00.0030.0356.24
4.4.90.0010.0214.78
4.4.80.0040.0184.75
4.4.70.0050.0194.75
4.4.60.0020.0184.76
4.4.50.0030.0154.77
4.4.40.0030.0244.70
4.4.30.0030.0154.76
4.4.20.0010.0174.84
4.4.10.0030.0204.85
4.4.00.0020.0264.76
4.3.110.0030.0184.67
4.3.100.0030.0184.66
4.3.90.0020.0174.63
4.3.80.0050.0274.59
4.3.70.0040.0194.63
4.3.60.0020.0174.63
4.3.50.0070.0134.63
4.3.40.0030.0244.53
4.3.30.0020.0153.30
4.3.20.0030.0183.27
4.3.10.0010.0183.23
4.3.00.0000.0238.44

preferences:
145.41 ms | 1394 KiB | 7 Q