3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('EMPTY', 0); echo 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)
5.4.310.0070.04112.49
5.4.300.0050.03712.50
5.4.290.0080.03512.49
5.4.280.0030.03812.39
5.4.270.0050.03712.39
5.4.260.0070.03812.39
5.4.250.0060.03812.39
5.4.240.0070.03812.39
5.4.230.0100.04212.38
5.4.220.0050.03612.38
5.4.210.0050.03612.38
5.4.200.0060.03812.38
5.4.190.0050.03912.38
5.4.180.0050.03912.38
5.4.170.0020.04312.38
5.4.160.0030.03812.38
5.4.150.0040.03712.38
5.4.140.0040.03812.07
5.4.130.0050.03612.05
5.4.120.0030.04212.02
5.4.110.0050.04012.01
5.4.100.0080.04712.01
5.4.90.0070.04512.01
5.4.80.0050.03712.02
5.4.70.0070.04312.01
5.4.60.0110.04512.00
5.4.50.0070.03512.00
5.4.40.0050.03611.99
5.4.30.0060.03611.99
5.4.20.0070.03311.99
5.4.10.0040.03611.99
5.4.00.0070.03511.48
5.3.280.0080.03912.71
5.3.270.0120.04712.72
5.3.260.0050.04612.72
5.3.250.0040.04512.72
5.3.240.0070.03812.72
5.3.230.0120.05012.71
5.3.220.0090.05712.68
5.3.210.0090.06412.68
5.3.200.0060.04412.68
5.3.190.0060.04912.68
5.3.180.0100.04012.68
5.3.170.0090.04212.67
5.3.160.0070.05212.68
5.3.150.0060.04512.67
5.3.140.0090.03512.66
5.3.130.0070.03812.66
5.3.120.0060.04012.66
5.3.110.0050.04012.65
5.3.100.0060.03612.12
5.3.90.0050.03812.08
5.3.80.0040.03812.08
5.3.70.0100.03212.07
5.3.60.0050.03912.06
5.3.50.0060.03612.00
5.3.40.0070.03512.00
5.3.30.0030.03711.95
5.3.20.0080.03111.72
5.3.10.0020.03911.70
5.3.00.0080.03811.68
5.2.170.0090.0289.18
5.2.160.0020.0359.18
5.2.150.0060.0319.18
5.2.140.0030.0369.18
5.2.130.0110.0259.14
5.2.120.0010.0329.14
5.2.110.0030.0319.15
5.2.100.0070.0339.14
5.2.90.0040.0309.14
5.2.80.0060.0279.14
5.2.70.0040.0309.14
5.2.60.0030.0319.09
5.2.50.0030.0329.06
5.2.40.0070.0279.03
5.2.30.0100.0269.01
5.2.20.0080.0309.00
5.2.10.0070.0278.92
5.2.00.0060.0308.78
5.1.60.0040.0268.06
5.1.50.0040.0248.07
5.1.40.0020.0298.05
5.1.30.0040.0278.39
5.1.20.0020.0358.41
5.1.10.0060.0278.14
5.1.00.0070.0228.14
5.0.50.0030.0216.62
5.0.40.0050.0186.48
5.0.30.0020.0326.29
5.0.20.0040.0216.27
5.0.10.0030.0206.24
5.0.00.0040.0306.23
4.4.90.0050.0154.78
4.4.80.0050.0194.75
4.4.70.0040.0144.75
4.4.60.0020.0164.75
4.4.50.0020.0164.77
4.4.40.0010.0294.71
4.4.30.0030.0174.75
4.4.20.0030.0174.85
4.4.10.0050.0154.85
4.4.00.0040.0234.76
4.3.110.0040.0174.67
4.3.100.0040.0144.66
4.3.90.0030.0144.63
4.3.80.0030.0244.59
4.3.70.0070.0104.63
4.3.60.0020.0184.63
4.3.50.0030.0174.63
4.3.40.0030.0304.54
4.3.30.0030.0153.29
4.3.20.0050.0143.27
4.3.10.0050.0193.21
4.3.00.0000.02014.09

preferences:
142.52 ms | 1394 KiB | 7 Q