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)
5.4.320.0100.03812.50
5.4.310.0030.04212.49
5.4.300.0060.04212.50
5.4.290.0040.04012.50
5.4.280.0080.04012.39
5.4.270.0120.03612.39
5.4.260.0040.04512.39
5.4.250.0070.04212.39
5.4.240.0040.03712.39
5.4.230.0060.03612.38
5.4.220.0090.03212.38
5.4.210.0070.03512.38
5.4.200.0070.03912.38
5.4.190.0040.03812.38
5.4.180.0090.03712.38
5.4.170.0070.04212.39
5.4.160.0080.04312.38
5.4.150.0050.03812.38
5.4.140.0040.03912.07
5.4.130.0070.03412.05
5.4.120.0060.03412.01
5.4.110.0100.03012.01
5.4.100.0050.03512.01
5.4.90.0080.03712.01
5.4.80.0080.03812.02
5.4.70.0060.04012.01
5.4.60.0060.03812.01
5.4.50.0070.03412.01
5.4.40.0070.04112.00
5.4.30.0070.03311.99
5.4.20.0090.03411.99
5.4.10.0090.04011.99
5.4.00.0040.03711.49
5.3.290.0070.04012.80
5.3.280.0040.03812.71
5.3.270.0090.04312.73
5.3.260.0040.04512.72
5.3.250.0080.05012.72
5.3.240.0060.03612.72
5.3.230.0070.04012.71
5.3.220.0100.03512.68
5.3.210.0070.04012.68
5.3.200.0100.03912.68
5.3.190.0070.03812.68
5.3.180.0090.04512.67
5.3.170.0090.03812.67
5.3.160.0090.04112.67
5.3.150.0080.03712.67
5.3.140.0070.03412.66
5.3.130.0090.04312.66
5.3.120.0100.03912.66
5.3.110.0110.04312.65
5.3.100.0100.03712.12
5.3.90.0070.04912.09
5.3.80.0080.03212.07
5.3.70.0040.03812.07
5.3.60.0090.04512.07
5.3.50.0060.04212.00
5.3.40.0060.04412.00
5.3.30.0100.03711.95
5.3.20.0080.03811.73
5.3.10.0080.03411.70
5.3.00.0070.03411.68
5.2.170.0050.0389.18
5.2.160.0050.0289.18
5.2.150.0090.0389.18
5.2.140.0050.0369.18
5.2.130.0070.0359.14
5.2.120.0100.0309.14
5.2.110.0040.0349.14
5.2.100.0040.0289.14
5.2.90.0040.0299.14
5.2.80.0040.0319.14
5.2.70.0040.0309.14
5.2.60.0040.0319.09
5.2.50.0060.0349.06
5.2.40.0080.0339.04
5.2.30.0040.0319.02
5.2.20.0070.0289.00
5.2.10.0040.0318.93
5.2.00.0070.0338.78
5.1.60.0060.0318.06
5.1.50.0020.0298.06
5.1.40.0050.0318.05
5.1.30.0080.0278.39
5.1.20.0060.0298.41
5.1.10.0070.0298.14
5.1.00.0080.0258.14
5.0.50.0060.0246.62
5.0.40.0050.0186.48
5.0.30.0100.0336.29
5.0.20.0050.0226.27
5.0.10.0060.0226.24
5.0.00.0040.0376.23
4.4.90.0020.0174.77
4.4.80.0040.0184.75
4.4.70.0030.0164.76
4.4.60.0040.0234.75
4.4.50.0040.0174.77
4.4.40.0060.0304.71
4.4.30.0030.0234.76
4.4.20.0020.0164.85
4.4.10.0030.0154.85
4.4.00.0040.0234.76
4.3.110.0030.0154.66
4.3.100.0010.0164.66
4.3.90.0020.0154.64
4.3.80.0020.0254.59
4.3.70.0030.0144.63
4.3.60.0030.0154.62
4.3.50.0020.0204.63
4.3.40.0030.0244.54
4.3.30.0030.0153.28
4.3.20.0010.0173.26
4.3.10.0030.0213.22
4.3.00.0030.0206.95

preferences:
138.66 ms | 1394 KiB | 7 Q