3v4l.org

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

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)
8.3.60.0170.00316.38
8.3.50.0080.00722.70
8.3.40.0120.00318.59
8.3.30.0070.00718.79
8.3.20.0030.00320.09
8.3.10.0000.00923.61
8.3.00.0060.00319.13
8.2.180.0040.01516.32
8.2.170.0040.01122.96
8.2.160.0060.00820.53
8.2.150.0000.00724.18
8.2.140.0070.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00420.98
8.2.110.0060.00320.35
8.2.100.0090.00318.16
8.2.90.0070.00019.05
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0040.00418.09
8.2.30.0070.00018.00
8.2.20.0040.00417.55
8.2.10.0020.00517.79
8.2.00.0000.00717.55
8.1.280.0070.01425.92
8.1.270.0110.00423.71
8.1.260.0030.00526.35
8.1.250.0040.00428.09
8.1.240.0040.00422.05
8.1.230.0100.00319.16
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0060.00317.11
8.1.190.0050.00317.00
8.1.180.0040.00418.10
8.1.170.0050.00318.48
8.1.160.0030.00321.98
8.1.150.0040.00418.67
8.1.140.0080.00017.19
8.1.130.0070.00017.84
8.1.120.0030.00317.32
8.1.110.0050.00317.27
8.1.100.0020.00517.29
8.1.90.0000.00817.37
8.1.80.0000.00717.35
8.1.70.0000.00717.36
8.1.60.0060.00317.37
8.1.50.0050.00317.36
8.1.40.0040.00417.24
8.1.30.0030.00517.51
8.1.20.0040.00417.48
8.1.10.0030.00617.45
8.1.00.0040.00417.40
8.0.300.0070.00018.77
8.0.290.0050.00216.75
8.0.280.0070.00018.39
8.0.270.0050.00317.25
8.0.260.0030.00317.18
8.0.250.0000.00616.83
8.0.240.0030.00316.84
8.0.230.0000.00716.71
8.0.220.0000.00716.74
8.0.210.0000.00816.76
8.0.200.0080.00016.78
8.0.190.0070.00016.83
8.0.180.0040.00416.74
8.0.170.0050.00516.67
8.0.160.0050.00316.76
8.0.150.0030.00316.72
8.0.140.0000.00716.69
8.0.130.0050.00013.22
8.0.120.0080.00016.63
8.0.110.0050.00316.71
8.0.100.0040.00416.55
8.0.90.0070.00016.75
8.0.80.0030.01216.77
8.0.70.0000.00716.84
8.0.60.0050.00316.74
8.0.50.0040.00416.73
8.0.30.0120.00816.92
8.0.20.0080.01117.40
8.0.10.0070.00016.95
8.0.00.0110.00816.83
7.4.330.0000.00515.04
7.4.320.0040.00416.27
7.4.300.0000.00716.46
7.4.290.0000.00716.40
7.4.280.0030.00616.38
7.4.270.0080.00016.32
7.4.260.0030.00316.36
7.4.250.0000.00716.26
7.4.240.0020.00516.37
7.4.230.0070.00016.48
7.4.220.0120.00916.42
7.4.210.0120.00316.29
7.4.200.0030.00316.49
7.4.160.0100.00616.50
7.4.150.0190.00617.40
7.4.140.0120.00517.86
7.4.130.0110.00516.28
7.4.120.0090.00816.40
7.4.110.0110.00616.50
7.4.100.0060.01016.32
7.4.90.0030.01416.26
7.4.80.0170.00319.39
7.4.70.0040.01516.44
7.4.60.0080.00816.37
7.4.50.0000.00616.44
7.4.40.0030.01416.12
7.4.30.0120.00316.39
7.3.330.0030.00313.01
7.3.320.0060.00013.02
7.3.310.0000.00716.19
7.3.300.0060.00015.91
7.3.290.0040.01116.12
7.3.280.0100.00916.07
7.3.270.0140.00417.40
7.3.260.0150.00416.21
7.3.250.0080.00816.46
7.3.240.0100.00716.08
7.3.230.0030.01416.43
7.3.210.0060.01116.38
7.3.200.0120.01119.39
7.3.190.0130.00916.27
7.3.180.0150.00016.36
7.3.170.0160.00616.27
7.3.160.0120.00316.39
7.2.330.0070.01016.36
7.2.320.0060.01216.45
7.2.310.0130.01016.33
7.2.300.0090.00916.36
7.2.290.0080.01216.53
5.4.320.0060.03812.45
5.4.310.0070.04012.45
5.4.300.0030.04212.45
5.4.290.0060.04012.45
5.4.280.0030.03912.35
5.4.270.0070.03912.35
5.4.260.0060.04012.34
5.4.250.0040.04112.34
5.4.240.0070.03812.34
5.4.230.0090.04312.34
5.4.220.0110.04712.34
5.4.210.0090.04012.34
5.4.200.0030.04112.34
5.4.190.0090.03412.33
5.4.180.0080.03412.34
5.4.170.0070.03612.35
5.4.160.0100.03312.34
5.4.150.0040.03912.34
5.4.140.0040.04012.02
5.4.130.0070.03612.01
5.4.120.0050.03711.96
5.4.110.0040.04011.96
5.4.100.0050.03811.96
5.4.90.0080.03611.97
5.4.80.0050.03811.96
5.4.70.0070.03411.96
5.4.60.0050.03611.96
5.4.50.0040.03811.96
5.4.40.0040.03811.95
5.4.30.0050.03811.95
5.4.20.0060.03711.95
5.4.10.0060.03511.95
5.4.00.0070.03611.43
5.3.290.0050.04212.80
5.3.280.0070.03812.71
5.3.270.0080.03812.72
5.3.260.0080.03812.72
5.3.250.0070.03812.72
5.3.240.0060.03812.72
5.3.230.0060.03912.71
5.3.220.0070.03612.68
5.3.210.0080.04012.68
5.3.200.0100.04712.68
5.3.190.0060.03912.68
5.3.180.0050.03712.68
5.3.170.0060.03612.67
5.3.160.0070.03612.67
5.3.150.0050.03912.68
5.3.140.0060.03712.66
5.3.130.0090.03612.66
5.3.120.0050.04012.66
5.3.110.0100.03512.66
5.3.100.0030.04012.12
5.3.90.0100.03512.09
5.3.80.0090.03612.07
5.3.70.0060.03512.07
5.3.60.0040.03812.06
5.3.50.0050.03812.00
5.3.40.0050.03612.00
5.3.30.0080.03311.94
5.3.20.0040.03811.72
5.3.10.0080.03211.69
5.3.00.0020.04011.68
5.2.170.0050.0309.18
5.2.160.0050.0299.18
5.2.150.0050.0339.18
5.2.140.0020.0339.17
5.2.130.0050.0329.13
5.2.120.0060.0299.13
5.2.110.0050.0329.14
5.2.100.0040.0309.13
5.2.90.0050.0309.13
5.2.80.0050.0309.13
5.2.70.0040.0319.13
5.2.60.0060.0309.09
5.2.50.0060.0309.05
5.2.40.0070.0279.03
5.2.30.0050.0309.00
5.2.20.0070.0279.00
5.2.10.0070.0288.92
5.2.00.0060.0298.77
5.1.60.0060.0248.05
5.1.50.0050.0268.05
5.1.40.0040.0268.04
5.1.30.0040.0288.39
5.1.20.0040.0288.41
5.1.10.0020.0288.13
5.1.00.0040.0268.13
5.0.50.0030.0206.61
5.0.40.0030.0196.47
5.0.30.0040.0306.28
5.0.20.0030.0206.26
5.0.10.0020.0216.23
5.0.00.0040.0336.23
4.4.90.0050.0164.78
4.4.80.0020.0154.75
4.4.70.0010.0174.75
4.4.60.0020.0164.76
4.4.50.0020.0164.77
4.4.40.0020.0254.71
4.4.30.0040.0144.76
4.4.20.0020.0174.84
4.4.10.0000.0194.85
4.4.00.0010.0274.76
4.3.110.0060.0124.67
4.3.100.0010.0164.66
4.3.90.0000.0174.64
4.3.80.0050.0224.58
4.3.70.0020.0154.63
4.3.60.0010.0164.63
4.3.50.0040.0144.63
4.3.40.0010.0254.54
4.3.30.0020.0163.28
4.3.20.0010.0173.25
4.3.10.0020.0153.21
4.3.00.0030.01718.23

preferences:
37.5 ms | 401 KiB | 5 Q