3v4l.org

run code in 300+ PHP versions simultaneously
<? $x = 'bobø'; echo preg_match('[0-9a-zA-Z]', $x); echo preg_match('~[0-9a-zA-Z]~', $x); echo preg_match('~[0-9a-zA-Z]+~', $x); ?>

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)
8.3.60.0090.00618.18
8.3.50.0090.01222.04
8.3.40.0040.01118.59
8.3.30.0070.00718.88
8.3.20.0040.00420.16
8.3.10.0050.00323.68
8.3.00.0080.00019.38
8.2.180.0140.00417.99
8.2.170.0070.01022.96
8.2.160.0060.01018.88
8.2.150.0050.00224.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0070.00022.27
8.2.110.0060.00320.53
8.2.100.0070.00318.09
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0030.00618.03
8.2.30.0000.00817.81
8.2.20.0030.00517.46
8.2.10.0000.00817.95
8.2.00.0080.00017.52
8.1.280.0100.00725.92
8.1.270.0090.00022.05
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0000.00823.79
8.1.230.0000.01119.16
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.09
8.1.190.0040.00417.00
8.1.180.0050.00318.10
8.1.170.0070.00718.42
8.1.160.0040.00421.84
8.1.150.0070.00018.78
8.1.140.0070.00017.25
8.1.130.0000.00817.60
8.1.120.0040.00417.36
8.1.110.0030.00617.29
8.1.100.0000.00717.35
8.1.90.0040.00417.31
8.1.80.0000.00717.28
8.1.70.0030.00317.27
8.1.60.0000.00817.37
8.1.50.0000.00817.28
8.1.40.0050.00317.33
8.1.30.0060.00317.47
8.1.20.0000.00717.39
8.1.10.0040.00417.32
8.1.00.0000.00717.39
8.0.300.0040.00418.77
8.0.290.0000.00716.58
8.0.280.0000.00718.36
8.0.270.0030.00517.09
8.0.260.0030.00317.19
8.0.250.0070.00016.81
8.0.240.0060.00016.74
8.0.230.0030.00316.78
8.0.220.0000.00616.76
8.0.210.0060.00016.60
8.0.200.0070.00016.71
8.0.190.0080.00016.71
8.0.180.0080.00016.79
8.0.170.0000.00716.80
8.0.160.0040.00416.75
8.0.150.0040.00316.70
8.0.140.0070.00016.62
8.0.130.0030.00313.40
8.0.120.0000.00716.75
8.0.110.0070.00016.62
8.0.100.0000.00716.63
8.0.90.0000.00716.81
8.0.80.0000.01516.71
8.0.70.0030.00516.55
8.0.60.0070.00016.64
8.0.50.0040.00416.75
8.0.30.0080.01416.89
8.0.20.0090.01117.40
8.0.10.0000.00716.84
8.0.00.0110.00716.42
7.4.330.0060.00015.02
7.4.320.0030.00316.46
7.4.300.0000.00616.49
7.4.290.0030.00316.46
7.4.280.0040.00416.35
7.4.270.0030.00316.51
7.4.260.0030.00316.43
7.4.250.0070.00016.45
7.4.240.0030.00316.35
7.4.230.0000.00716.56
7.4.220.0150.00416.43
7.4.210.0140.00716.40
7.4.200.0000.00716.16
7.4.160.0060.00916.52
7.4.150.0110.00717.40
7.4.140.0130.00617.86
7.4.130.0080.00816.31
7.4.120.0130.00416.47
7.4.110.0030.01416.23
7.4.100.0060.01316.38
7.4.90.0140.00416.34
7.4.80.0060.01419.39
7.4.70.0120.00316.48
7.4.60.0030.01316.34
7.4.50.0030.00516.54
7.4.40.0070.01016.53
7.4.30.0120.00816.46
7.4.00.0090.00614.95
7.3.330.0030.00313.21
7.3.320.0020.00213.15
7.3.310.0030.00316.02
7.3.300.0030.00316.16
7.3.290.0080.00616.11
7.3.280.0140.00416.12
7.3.270.0120.00617.40
7.3.260.0100.00616.33
7.3.250.0050.01216.35
7.3.240.0180.00316.44
7.3.230.0080.00816.39
7.3.210.0090.00816.21
7.3.200.0160.00719.39
7.3.190.0070.01016.16
7.3.180.0120.00316.18
7.3.170.0160.00616.27
7.3.160.0000.01616.23
7.3.10.0220.00716.35
7.3.00.0070.01116.12
7.2.330.0170.00016.30
7.2.320.0030.01316.51
7.2.310.0130.01016.29
7.2.300.0100.00716.46
7.2.290.0170.00716.43
7.2.130.0060.01316.22
7.2.120.0080.01216.55
7.2.110.0280.00516.56
7.2.100.0160.00316.51
7.2.90.0090.01216.65
7.2.80.0080.00817.01
7.2.70.0110.00716.61
7.2.60.0140.00717.04
7.2.50.0090.00616.87
7.2.40.0140.00316.73
7.2.30.0140.00316.61
7.2.20.0100.00616.80
7.2.10.0090.00616.97
7.2.00.0100.00718.06
7.1.250.0130.01015.67
7.1.100.0000.01718.13
7.1.70.0040.00417.42
7.1.60.0130.00719.11
7.1.50.0070.01716.99
7.1.00.0070.07722.34
7.0.200.0030.00717.05
7.0.140.0000.07322.23
7.0.60.0170.07320.05
7.0.50.0230.06717.90
7.0.40.0170.08020.06
7.0.30.0170.04020.11
7.0.20.0300.07720.22
7.0.10.0170.07720.11
7.0.00.0130.06020.10
5.6.280.0070.07021.14
5.6.210.0030.07720.52
5.6.200.0030.07318.21
5.6.190.0100.06020.41
5.6.180.0230.08020.27
5.6.170.0270.08020.44
5.6.160.0130.07720.33
5.6.150.0170.06318.18
5.6.140.0070.04718.11
5.6.130.0030.06718.21
5.6.120.0070.04021.11
5.6.110.0070.08721.13
5.6.100.0030.04320.97
5.6.90.0130.07320.96
5.6.80.0030.07320.43
5.6.70.0070.08320.27
5.5.350.0230.06320.39
5.5.340.0130.03717.96
5.5.330.0070.08720.43
5.5.320.0230.04720.28
5.5.310.0270.08020.20
5.5.300.0070.08317.84
5.5.290.0000.04318.02
5.5.280.0100.07020.68
5.5.270.0100.08020.84
5.5.260.0130.08020.66
5.5.250.0230.07020.57
5.5.240.0230.03720.34
5.4.450.0870.06019.43
5.4.440.1070.08019.57
5.4.430.1030.05719.36
5.4.420.0670.00019.51
5.4.410.0630.00019.31
5.4.400.0800.00019.16
5.4.390.0630.00019.13
5.4.380.0670.00018.99
5.4.370.0670.00018.95
5.4.360.0770.00018.96
5.4.350.0630.00019.16
5.4.340.0050.04811.97
5.4.320.0050.03812.45
5.4.310.0040.04012.45
5.4.300.0060.04012.45
5.4.290.0050.04312.45
5.4.280.0060.03512.34
5.4.270.0060.03612.34
5.4.260.0060.03912.34
5.4.250.0100.04012.35
5.4.240.0050.03812.35
5.4.230.0060.03912.34
5.4.220.0070.03612.34
5.4.210.0100.03612.34
5.4.200.0060.03712.34
5.4.190.0060.04212.34
5.4.180.0070.04912.33
5.4.170.0050.04112.34
5.4.160.0060.03812.34
5.4.150.0080.03812.34
5.4.140.0080.05012.02
5.4.130.0060.03712.01
5.4.120.0080.03511.96
5.4.110.0070.03611.96
5.4.100.0090.03611.96
5.4.90.0060.03811.96
5.4.80.0090.03911.96
5.4.70.0030.04611.96
5.4.60.0080.03911.96
5.4.50.0050.03611.96
5.4.40.0060.04011.95
5.4.30.0080.03611.95
5.4.20.0060.03611.95
5.4.10.0130.03511.95
5.4.00.0060.03911.43
5.3.290.0130.03912.80
5.3.280.0050.03812.71
5.3.270.0050.03912.72
5.3.260.0050.04612.72
5.3.250.0080.04212.72
5.3.240.0070.04112.72
5.3.230.0070.03612.71
5.3.220.0080.04212.68
5.3.210.0070.03812.68
5.3.200.0050.04012.68
5.3.190.0040.03912.68
5.3.180.0070.03612.67
5.3.170.0060.03612.67
5.3.160.0080.04012.67
5.3.150.0070.03712.67
5.3.140.0100.03412.66
5.3.130.0080.04112.66
5.3.120.0050.04512.66
5.3.110.0080.03612.66
5.3.100.0080.03512.12
5.3.90.0050.04212.08
5.3.80.0100.03912.08
5.3.70.0060.04012.07
5.3.60.0030.04112.06
5.3.50.0110.03112.00
5.3.40.0060.03612.00
5.3.30.0040.03711.94
5.3.20.0030.04411.71
5.3.10.0090.03311.68
5.3.00.0070.03611.67
5.2.170.0050.0339.17
5.2.160.0060.0289.18
5.2.150.0040.0349.17
5.2.140.0060.0349.17
5.2.130.0050.0379.13
5.2.120.0040.0359.13
5.2.110.0070.0299.14
5.2.100.0050.0319.14
5.2.90.0050.0299.13
5.2.80.0040.0339.13
5.2.70.0050.0309.13
5.2.60.0050.0309.09
5.2.50.0050.0309.05
5.2.40.0030.0369.04
5.2.30.0030.0339.00
5.2.20.0060.0309.00
5.2.10.0070.0288.92
5.2.00.0050.0298.77
5.1.60.0050.0288.05
5.1.50.0070.0278.05
5.1.40.0060.0238.04
5.1.30.0040.0318.39
5.1.20.0040.0288.41
5.1.10.0040.0278.13
5.1.00.0060.0338.13
5.0.50.0040.0266.61
5.0.40.0030.0266.47
5.0.30.0060.0376.29
5.0.20.0040.0186.26
5.0.10.0020.0216.23
5.0.00.0040.0316.22
4.4.90.0040.0144.78
4.4.80.0020.0174.75
4.4.70.0010.0184.75
4.4.60.0030.0154.75
4.4.50.0050.0164.77
4.4.40.0030.0284.70
4.4.30.0040.0204.76
4.4.20.0010.0174.84
4.4.10.0010.0184.85
4.4.00.0020.0264.76
4.3.110.0090.0164.67
4.3.100.0030.0234.67
4.3.90.0040.0134.64
4.3.80.0050.0264.58
4.3.70.0050.0134.63
4.3.60.0040.0134.63
4.3.50.0020.0164.63
4.3.40.0060.0234.53
4.3.30.0030.0153.28
4.3.20.0020.0173.25
4.3.10.0010.0193.21
4.3.00.0230.0237.28

preferences:
39.12 ms | 401 KiB | 5 Q