3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('CONSTANT', 1); define('_CONSTANT', 0); define('EMPTY', ''); if (!empty(EMPTY)) { }

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)
5.4.310.0070.03912.49
5.4.300.0080.04112.50
5.4.290.0080.03712.49
5.4.280.0060.03512.39
5.4.270.0060.03612.39
5.4.260.0050.03912.39
5.4.250.0070.03712.39
5.4.240.0040.03712.39
5.4.230.0060.03712.38
5.4.220.0060.03812.38
5.4.210.0070.03512.38
5.4.200.0060.03712.38
5.4.190.0040.03712.38
5.4.180.0050.03712.38
5.4.170.0080.03312.39
5.4.160.0050.03712.38
5.4.150.0060.03512.38
5.4.140.0050.03812.07
5.4.130.0090.03712.05
5.4.120.0070.03412.01
5.4.110.0080.03412.01
5.4.100.0040.03812.02
5.4.90.0080.03512.01
5.4.80.0040.04012.01
5.4.70.0080.03212.00
5.4.60.0060.03412.01
5.4.50.0070.03312.01
5.4.40.0040.03712.00
5.4.30.0090.03111.99
5.4.20.0060.03611.99
5.4.10.0050.03612.00
5.4.00.0110.03111.49
5.3.280.0070.03712.71
5.3.270.0050.04112.72
5.3.260.0070.03812.72
5.3.250.0050.03812.72
5.3.240.0030.04112.72
5.3.230.0040.04012.71
5.3.220.0060.03812.68
5.3.210.0060.03912.68
5.3.200.0040.03812.68
5.3.190.0050.03812.67
5.3.180.0070.03712.67
5.3.170.0070.03512.67
5.3.160.0030.04012.67
5.3.150.0050.03812.68
5.3.140.0050.03812.66
5.3.130.0110.03512.66
5.3.120.0070.03812.66
5.3.110.0050.04012.66
5.3.100.0030.04312.12
5.3.90.0070.03612.08
5.3.80.0060.03712.07
5.3.70.0040.04012.08
5.3.60.0090.03312.06
5.3.50.0100.03212.00
5.3.40.0040.03812.00
5.3.30.0040.03611.95
5.3.20.0040.03811.72
5.3.10.0060.03511.70
5.3.00.0080.03611.70
5.2.170.0080.0309.19
5.2.160.0080.0269.18
5.2.150.0050.0309.19
5.2.140.0030.0329.18
5.2.130.0050.0289.15
5.2.120.0030.0299.14
5.2.110.0060.0279.15
5.2.100.0070.0269.14
5.2.90.0040.0299.14
5.2.80.0040.0369.14
5.2.70.0020.0339.14
5.2.60.0120.0239.09
5.2.50.0080.0269.06
5.2.40.0070.0259.04
5.2.30.0030.0319.02
5.2.20.0070.0269.00
5.2.10.0040.0318.93
5.2.00.0040.0368.78
5.1.60.0040.0248.07
5.1.50.0030.0258.06
5.1.40.0060.0228.05
5.1.30.0050.0288.40
5.1.20.0050.0298.42
5.1.10.0060.0238.14
5.1.00.0020.0278.14
5.0.50.0050.0196.63
5.0.40.0020.0206.48
5.0.30.0050.0296.29
5.0.20.0050.0176.27
5.0.10.0050.0186.24
5.0.00.0030.0316.23
4.4.90.0010.0174.78
4.4.80.0020.0164.75
4.4.70.0010.0174.76
4.4.60.0020.0164.75
4.4.50.0030.0154.77
4.4.40.0030.0244.71
4.4.30.0020.0154.76
4.4.20.0000.0184.84
4.4.10.0040.0144.85
4.4.00.0020.0254.75
4.3.110.0030.0154.67
4.3.100.0020.0154.66
4.3.90.0020.0154.64
4.3.80.0030.0244.58
4.3.70.0010.0164.63
4.3.60.0050.0134.63
4.3.50.0040.0154.63
4.3.40.0050.0274.54
4.3.30.0050.0183.29
4.3.20.0020.0183.27
4.3.10.0020.0153.21
4.3.00.0030.01315.27

preferences:
134.63 ms | 1398 KiB | 7 Q