3v4l.org

run code in 300+ PHP versions simultaneously
<?php $subject = "abcdef"; $pattern = "/def/"; preg_match($pattern, $subject, $matches); print_r($matches);

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)
5.4.320.0080.03312.50
5.4.310.0070.03612.49
5.4.300.0060.03512.50
5.4.290.0110.03712.49
5.4.280.0060.03512.39
5.4.270.0060.03512.39
5.4.260.0080.03412.39
5.4.250.0050.03612.39
5.4.240.0030.03712.39
5.4.230.0070.03812.38
5.4.220.0060.03412.38
5.4.210.0020.03712.38
5.4.200.0080.03312.38
5.4.190.0050.03612.38
5.4.180.0040.04312.38
5.4.170.0080.03112.38
5.4.160.0060.03612.38
5.4.150.0050.03512.38
5.4.140.0030.03812.07
5.4.130.0080.03212.05
5.4.120.0070.03612.01
5.4.110.0050.03512.01
5.4.100.0040.03612.01
5.4.90.0040.03812.01
5.4.80.0040.03712.01
5.4.70.0050.03412.00
5.4.60.0060.03412.01
5.4.50.0030.03712.01
5.4.40.0040.03612.00
5.4.30.0050.03512.00
5.4.20.0040.03711.98
5.4.10.0070.03311.99
5.4.00.0070.03611.49
5.3.290.0050.04112.80
5.3.280.0040.03812.71
5.3.270.0040.04012.73
5.3.260.0050.03912.72
5.3.250.0060.04312.72
5.3.240.0040.03712.72
5.3.230.0080.03912.71
5.3.220.0100.03312.68
5.3.210.0050.04212.68
5.3.200.0110.03612.68
5.3.190.0020.04112.68
5.3.180.0050.03612.68
5.3.170.0040.03712.67
5.3.160.0070.03312.68
5.3.150.0070.03712.68
5.3.140.0090.03712.66
5.3.130.0030.04512.66
5.3.120.0050.03812.66
5.3.110.0070.04712.66
5.3.100.0060.03512.12
5.3.90.0030.03712.09
5.3.80.0060.04512.07
5.3.70.0040.04012.07
5.3.60.0050.03812.06
5.3.50.0060.03512.00
5.3.40.0050.04112.00
5.3.30.0080.03211.95
5.3.20.0060.03811.73
5.3.10.0020.03911.70
5.3.00.0070.03311.68
5.2.170.0040.0379.18
5.2.160.0070.0259.18
5.2.150.0030.0329.18
5.2.140.0030.0329.18
5.2.130.0040.0309.14
5.2.120.0080.0249.14
5.2.110.0040.0299.14
5.2.100.0060.0279.14
5.2.90.0020.0389.14
5.2.80.0060.0309.14
5.2.70.0030.0369.13
5.2.60.0040.0309.09
5.2.50.0040.0319.06
5.2.40.0050.0289.04
5.2.30.0030.0319.02
5.2.20.0070.0259.01
5.2.10.0040.0288.93
5.2.00.0040.0298.78
5.1.60.0050.0238.07
5.1.50.0050.0278.06
5.1.40.0040.0298.04
5.1.30.0020.0288.39
5.1.20.0050.0268.42
5.1.10.0030.0268.14
5.1.00.0030.0258.14
5.0.50.0050.0236.63
5.0.40.0040.0196.48
5.0.30.0040.0296.29
5.0.20.0040.0186.26
5.0.10.0020.0206.24
5.0.00.0030.0316.23
4.4.90.0030.0154.78
4.4.80.0040.0194.75
4.4.70.0040.0144.76
4.4.60.0060.0184.75
4.4.50.0020.0154.77
4.4.40.0020.0304.71
4.4.30.0040.0144.76
4.4.20.0030.0154.84
4.4.10.0020.0154.84
4.4.00.0030.0244.76
4.3.110.0020.0174.67
4.3.100.0030.0174.66
4.3.90.0030.0144.63
4.3.80.0030.0244.58
4.3.70.0030.0144.63
4.3.60.0030.0154.62
4.3.50.0020.0164.63
4.3.40.0040.0224.54
4.3.30.0020.0153.29
4.3.20.0020.0153.26
4.3.10.0040.0283.22
4.3.00.0070.01715.97

preferences:
145.15 ms | 1386 KiB | 7 Q