3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $b = null; var_dump($b['foo1']); $b = "5"; var_dump(5['foo2']); $b = 345678; var_dump($b['foo3']);

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)
5.4.320.0060.03612.49
5.4.310.0070.03712.50
5.4.300.0060.03612.49
5.4.290.0060.03712.49
5.4.280.0060.03512.39
5.4.270.0040.03712.39
5.4.260.0040.03912.39
5.4.250.0020.04112.39
5.4.240.0090.04112.39
5.4.230.0060.04212.38
5.4.220.0040.03912.38
5.4.210.0070.03412.38
5.4.200.0070.03612.38
5.4.190.0040.03812.38
5.4.180.0040.03812.38
5.4.170.0050.03712.38
5.4.160.0060.04312.38
5.4.150.0060.03612.38
5.4.140.0050.03812.07
5.4.130.0050.03612.05
5.4.120.0090.03112.02
5.4.110.0060.03512.01
5.4.100.0060.03412.01
5.4.90.0040.03812.01
5.4.80.0050.03712.01
5.4.70.0030.03712.01
5.4.60.0050.03412.01
5.4.50.0080.03312.01
5.4.40.0050.03411.99
5.4.30.0060.03411.99
5.4.20.0040.03711.99
5.4.10.0060.03511.99
5.4.00.0040.03611.48
5.3.290.0100.03812.80
5.3.280.0060.04112.71
5.3.270.0050.03912.73
5.3.260.0030.04212.72
5.3.250.0070.03612.72
5.3.240.0060.03712.72
5.3.230.0080.03512.71
5.3.220.0080.03512.68
5.3.210.0040.04112.68
5.3.200.0080.03412.68
5.3.190.0060.04112.68
5.3.180.0080.04012.67
5.3.170.0070.03612.67
5.3.160.0080.04112.68
5.3.150.0060.03612.67
5.3.140.0070.03412.66
5.3.130.0040.04012.66
5.3.120.0090.03612.66
5.3.110.0070.03712.66
5.3.100.0050.03812.12
5.3.90.0120.03012.08
5.3.80.0060.03712.08
5.3.70.0090.03412.07
5.3.60.0070.03512.06
5.3.50.0040.03812.00
5.3.40.0070.03612.00
5.3.30.0060.03511.95
5.3.20.0080.03211.72
5.3.10.0060.03411.70
5.3.00.0060.03511.69
5.2.170.0040.0319.18
5.2.160.0050.0309.18
5.2.150.0050.0299.19
5.2.140.0050.0299.18
5.2.130.0040.0299.14
5.2.120.0050.0289.14
5.2.110.0050.0289.15
5.2.100.0040.0299.14
5.2.90.0050.0279.14
5.2.80.0050.0299.14
5.2.70.0050.0299.13
5.2.60.0060.0289.09
5.2.50.0100.0259.06
5.2.40.0020.0319.04
5.2.30.0050.0309.02
5.2.20.0050.0289.01
5.2.10.0050.0278.93
5.2.00.0070.0268.78
5.1.60.0040.0248.07
5.1.50.0080.0208.06
5.1.40.0050.0238.05
5.1.30.0030.0268.40
5.1.20.0020.0288.41
5.1.10.0020.0278.14
5.1.00.0050.0258.14
5.0.50.0040.0206.62
5.0.40.0030.0196.48
5.0.30.0050.0286.29
5.0.20.0030.0196.27
5.0.10.0020.0216.24
5.0.00.0040.0296.23
4.4.90.0020.0164.77
4.4.80.0040.0144.75
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0050.0124.77
4.4.40.0040.0234.71
4.4.30.0020.0164.76
4.4.20.0030.0154.85
4.4.10.0050.0134.85
4.4.00.0020.0264.76
4.3.110.0010.0174.67
4.3.100.0040.0134.66
4.3.90.0040.0134.63
4.3.80.0040.0224.58
4.3.70.0020.0154.63
4.3.60.0010.0154.63
4.3.50.0030.0144.63
4.3.40.0040.0224.54
4.3.30.0010.0163.29
4.3.20.0020.0153.26
4.3.10.0020.0153.22
4.3.00.0100.01713.95

preferences:
140.14 ms | 1394 KiB | 7 Q