3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('CONSTANT', 1); define('_CONSTANT', 0); define('EMPTY', ''); 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)
5.4.310.0100.04312.50
5.4.300.0080.04812.50
5.4.290.0060.04012.49
5.4.280.0080.03412.39
5.4.270.0070.04112.39
5.4.260.0080.04412.39
5.4.250.0080.04912.39
5.4.240.0100.04112.39
5.4.230.0060.04412.38
5.4.220.0050.03812.38
5.4.210.0030.03912.38
5.4.200.0080.03612.38
5.4.190.0040.03812.38
5.4.180.0090.03312.38
5.4.170.0090.04112.39
5.4.160.0080.04912.38
5.4.150.0080.03612.38
5.4.140.0080.03412.07
5.4.130.0060.04312.05
5.4.120.0080.04812.02
5.4.110.0080.04412.01
5.4.100.0040.03812.01
5.4.90.0070.03712.01
5.4.80.0060.03612.01
5.4.70.0060.03912.00
5.4.60.0090.03112.01
5.4.50.0060.03612.01
5.4.40.0060.03411.99
5.4.30.0110.04112.00
5.4.20.0060.03711.98
5.4.10.0100.04511.99
5.4.00.0060.04011.48
5.3.280.0050.03812.71
5.3.270.0080.03712.72
5.3.260.0040.04212.72
5.3.250.0060.03912.72
5.3.240.0070.04312.71
5.3.230.0070.03712.71
5.3.220.0050.03912.68
5.3.210.0100.04212.68
5.3.200.0080.03512.68
5.3.190.0070.04412.68
5.3.180.0040.05012.67
5.3.170.0080.05212.67
5.3.160.0070.05212.67
5.3.150.0090.07612.67
5.3.140.0130.06912.66
5.3.130.0150.04612.66
5.3.120.0090.05812.65
5.3.110.0080.04612.66
5.3.100.0060.03712.12
5.3.90.0030.04212.08
5.3.80.0100.05512.07
5.3.70.0090.05312.07
5.3.60.0050.04912.06
5.3.50.0090.03512.00
5.3.40.0060.04112.00
5.3.30.0090.03411.95
5.3.20.0070.03411.72
5.3.10.0070.03511.70
5.3.00.0060.03811.68
5.2.170.0070.0309.18
5.2.160.0050.0299.18
5.2.150.0070.0359.18
5.2.140.0050.0329.18
5.2.130.0060.0289.14
5.2.120.0070.0269.14
5.2.110.0050.0299.14
5.2.100.0030.0309.14
5.2.90.0020.0329.14
5.2.80.0060.0299.14
5.2.70.0050.0309.14
5.2.60.0050.0319.09
5.2.50.0050.0309.06
5.2.40.0050.0289.04
5.2.30.0080.0269.01
5.2.20.0030.0309.00
5.2.10.0060.0278.92
5.2.00.0040.0298.78
5.1.60.0030.0258.07
5.1.50.0030.0268.06
5.1.40.0030.0258.05
5.1.30.0040.0268.40
5.1.20.0060.0258.42
5.1.10.0060.0248.14
5.1.00.0030.0298.14
5.0.50.0020.0286.62
5.0.40.0090.0256.48
5.0.30.0040.0326.29
5.0.20.0060.0186.26
5.0.10.0040.0196.24
5.0.00.0030.0326.23
4.4.90.0020.0174.78
4.4.80.0010.0184.75
4.4.70.0040.0144.76
4.4.60.0050.0134.75
4.4.50.0010.0164.77
4.4.40.0040.0234.71
4.4.30.0010.0174.76
4.4.20.0020.0164.85
4.4.10.0050.0144.85
4.4.00.0060.0294.76
4.3.110.0030.0224.67
4.3.100.0060.0184.66
4.3.90.0050.0134.63
4.3.80.0040.0234.58
4.3.70.0020.0154.63
4.3.60.0020.0154.63
4.3.50.0030.0164.63
4.3.40.0020.0254.54
4.3.30.0020.0173.29
4.3.20.0050.0133.27
4.3.10.0040.0143.21
4.3.00.0000.01315.27

preferences:
146.57 ms | 1394 KiB | 7 Q