3v4l.org

run code in 300+ PHP versions simultaneously
<?php  $pattern = '/[^\w]fox\s/';  if (preg_match($pattern, 'The quick brown fox jumps over the lazy dog'))    {    echo "'fox' is present...";    }    else    echo "'fox' is not present...";  ?>  - See more at: http://www.w3resource.com/php-exercises/php-regular-expression-exercises.php#sthash.nM2kC95Q.dpuf

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)
8.3.60.0070.00716.47
8.3.50.0090.00722.79
8.3.40.0140.00718.70
8.3.30.0120.00619.14
8.3.20.0040.00820.24
8.3.10.0080.00021.73
8.3.00.0080.00019.66
8.2.180.0090.01216.47
8.2.170.0170.00022.96
8.2.160.0130.00320.43
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0090.00926.16
8.2.120.0070.00020.96
8.2.110.0000.01122.20
8.2.100.0110.00018.03
8.2.90.0040.00419.08
8.2.80.0040.00417.97
8.2.70.0040.00717.38
8.2.60.0000.01017.55
8.2.50.0090.00018.07
8.2.40.0000.00817.97
8.2.30.0040.00417.98
8.2.20.0050.00317.44
8.2.10.0040.00417.82
8.2.00.0000.00817.46
8.1.280.0140.00025.92
8.1.270.0040.00423.91
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0030.00623.79
8.1.230.0070.00419.09
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00717.35
8.1.190.0000.00817.10
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0050.00321.95
8.1.150.0070.00018.65
8.1.140.0000.00717.33
8.1.130.0000.00717.75
8.1.120.0040.00417.37
8.1.110.0040.00417.16
8.1.100.0070.00017.25
8.1.90.0030.00317.36
8.1.80.0040.00317.35
8.1.70.0070.00017.28
8.1.60.0050.00517.46
8.1.50.0040.00417.31
8.1.40.0050.00317.39
8.1.30.0040.00417.40
8.1.20.0040.00417.52
8.1.10.0070.00017.42
8.1.00.0060.00317.32
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0050.00318.34
8.0.270.0070.00017.14
8.0.260.0030.00317.11
8.0.250.0020.00516.81
8.0.240.0040.00416.80
8.0.230.0030.00316.73
8.0.220.0070.00016.78
8.0.210.0030.00316.71
8.0.200.0000.00716.73
8.0.190.0050.00316.82
8.0.180.0020.00516.80
8.0.170.0040.00416.69
8.0.160.0000.00716.78
8.0.150.0030.00316.77
8.0.140.0030.00516.60
8.0.130.0030.00313.37
8.0.120.0040.00416.68
8.0.110.0040.00416.71
8.0.100.0040.00416.64
8.0.90.0000.00916.59
8.0.80.0070.01016.79
8.0.70.0040.00416.65
8.0.60.0000.00716.71
8.0.50.0000.00816.65
8.0.30.0150.00616.92
8.0.20.0120.00717.40
8.0.10.0040.00416.82
8.0.00.0150.00916.90
7.4.330.0060.00015.05
7.4.320.0060.00016.47
7.4.300.0060.00016.36
7.4.290.0030.00316.48
7.4.280.0040.00416.46
7.4.270.0030.00316.44
7.4.260.0080.00016.43
7.4.250.0000.00716.27
7.4.240.0040.00416.44
7.4.230.0000.00716.41
7.4.220.0060.01316.57
7.4.210.0030.01216.41
7.4.200.0040.00416.38
7.4.160.0120.00316.27
7.4.150.0060.01317.40
7.4.140.0140.00617.86
7.4.130.0100.00716.49
7.4.120.0120.00616.33
7.4.110.0170.00316.56
7.4.100.0090.00916.15
7.4.90.0090.00916.30
7.4.80.0060.00919.39
7.4.70.0160.00016.34
7.4.60.0150.00616.44
7.4.50.0000.00816.55
7.4.40.0130.01016.26
7.4.30.0090.00616.28
7.3.330.0030.00313.07
7.3.320.0000.00513.10
7.3.310.0020.00516.11
7.3.300.0000.00716.17
7.3.290.0110.00316.21
7.3.280.0100.00716.18
7.3.270.0070.01017.40
7.3.260.0040.01516.51
7.3.250.0110.00816.38
7.3.240.0150.00616.53
7.3.230.0100.00716.39
7.3.210.0120.00616.31
7.3.200.0090.00919.39
7.3.190.0060.01316.32
7.3.180.0090.00616.32
7.3.170.0090.00916.31
7.3.160.0030.01216.40
7.2.330.0150.00316.53
7.2.320.0090.00916.54
7.2.310.0030.01416.67
7.2.300.0080.00816.23
7.2.290.0070.01016.51
5.4.320.0070.03812.45
5.4.310.0040.04512.45
5.4.300.0040.03812.45
5.4.290.0040.03912.45
5.4.280.0080.03312.35
5.4.270.0060.03612.35
5.4.260.0020.04112.34
5.4.250.0060.03712.35
5.4.240.0090.04412.34
5.4.230.0070.03712.34
5.4.220.0050.03712.34
5.4.210.0040.03612.34
5.4.200.0050.03712.34
5.4.190.0050.03712.33
5.4.180.0040.03812.33
5.4.170.0080.03412.35
5.4.160.0060.03812.34
5.4.150.0080.04512.34
5.4.140.0070.04912.02
5.4.130.0050.03912.01
5.4.120.0090.03311.97
5.4.110.0060.04211.96
5.4.100.0060.03711.96
5.4.90.0080.03711.96
5.4.80.0080.05211.96
5.4.70.0090.04711.96
5.4.60.0090.03511.96
5.4.50.0090.03811.96
5.4.40.0060.03311.95
5.4.30.0070.03611.95
5.4.20.0050.03611.94
5.4.10.0090.04311.95
5.4.00.0080.04311.43
5.3.290.0070.04412.80
5.3.280.0070.04012.71
5.3.270.0040.04112.73
5.3.260.0060.03912.72
5.3.250.0060.03712.72
5.3.240.0060.03712.72
5.3.230.0060.03912.71
5.3.220.0060.04112.68
5.3.210.0050.04112.68
5.3.200.0050.03912.68
5.3.190.0080.04412.68
5.3.180.0130.05912.67
5.3.170.0040.03812.67
5.3.160.0080.03512.67
5.3.150.0060.03712.67
5.3.140.0070.03512.66
5.3.130.0050.03912.66
5.3.120.0040.04212.66
5.3.110.0070.05212.66
5.3.100.0040.03912.12
5.3.90.0070.05312.09
5.3.80.0030.04012.07
5.3.70.0110.03412.08
5.3.60.0050.03812.07
5.3.50.0070.03412.00
5.3.40.0040.03912.00
5.3.30.0060.03511.94
5.3.20.0030.04111.72
5.3.10.0070.04211.69
5.3.00.0100.04811.67

preferences:
42.37 ms | 401 KiB | 5 Q