3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ptn = "/^[\w\s.]+$/"; $str = "i âm letters."; preg_match($ptn, $str, $matches); print_r($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)
8.3.60.0070.01116.63
8.3.50.0130.00421.97
8.3.40.0120.00318.54
8.3.30.0040.01118.96
8.3.20.0040.00420.30
8.3.10.0080.00020.54
8.3.00.0030.00519.38
8.2.180.0150.00618.43
8.2.170.0000.01422.96
8.2.160.0060.00920.52
8.2.150.0070.00024.18
8.2.140.0100.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00521.18
8.2.110.0100.00020.38
8.2.100.0000.01117.91
8.2.90.0000.00819.17
8.2.80.0000.00817.97
8.2.70.0050.00317.75
8.2.60.0040.00418.04
8.2.50.0000.00918.10
8.2.40.0080.00218.22
8.2.30.0000.00819.33
8.2.20.0070.00017.76
8.2.10.0000.00818.02
8.2.00.0000.00717.62
8.1.280.0000.01625.92
8.1.270.0030.00523.73
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00521.31
8.1.230.0000.01419.54
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.48
8.1.190.0040.00417.35
8.1.180.0070.00018.10
8.1.170.0000.00818.63
8.1.160.0040.00422.02
8.1.150.0040.00318.84
8.1.140.0040.00417.53
8.1.130.0070.00017.89
8.1.120.0040.00417.56
8.1.110.0000.00717.43
8.1.100.0040.00417.45
8.1.90.0030.00617.43
8.1.80.0050.00217.47
8.1.70.0030.00317.49
8.1.60.0040.00417.50
8.1.50.0000.00817.64
8.1.40.0040.00417.61
8.1.30.0040.00417.78
8.1.20.0040.00417.57
8.1.10.0070.00017.54
8.1.00.0050.00317.45
8.0.300.0000.00818.77
8.0.290.0080.00016.61
8.0.280.0040.00418.43
8.0.270.0000.00817.21
8.0.260.0030.00317.19
8.0.250.0030.00317.04
8.0.240.0030.00316.91
8.0.230.0000.00817.04
8.0.220.0060.00016.99
8.0.210.0070.00016.97
8.0.200.0000.00617.07
8.0.190.0040.00417.00
8.0.180.0000.00717.01
8.0.170.0040.00416.94
8.0.160.0050.00216.90
8.0.150.0040.00316.85
8.0.140.0030.00516.81
8.0.130.0000.00913.37
8.0.120.0090.00016.78
8.0.110.0040.00416.99
8.0.100.0000.00716.88
8.0.90.0030.00316.91
8.0.80.0060.01017.01
8.0.70.0000.00716.97
8.0.60.0040.00416.98
8.0.50.0040.00416.83
8.0.30.0080.01117.15
8.0.20.0080.01217.49
8.0.10.0020.00517.00
8.0.00.0110.00616.92
7.4.330.0050.00015.01
7.4.320.0000.00616.71
7.4.300.0030.00316.64
7.4.290.0000.00716.50
7.4.280.0110.00016.72
7.4.270.0070.00016.50
7.4.260.0000.00716.64
7.4.250.0000.00816.71
7.4.240.0030.00316.70
7.4.230.0000.00716.47
7.4.220.0150.00416.72
7.4.210.0070.01116.68
7.4.200.0070.00016.82
7.4.160.0080.01116.62
7.4.150.0090.00917.40
7.4.140.0090.00817.86
7.4.130.0120.00616.76
7.4.120.0070.01016.71
7.4.110.0070.01016.38
7.4.100.0100.00716.64
7.4.90.0060.01216.60
7.4.80.0130.00319.39
7.4.70.0090.00916.50
7.4.60.0120.00616.45
7.4.50.0030.00516.64
7.4.40.0100.00716.51
7.4.30.0060.01016.74
7.4.00.0030.00915.27
7.3.330.0060.00013.13
7.3.320.0000.00613.18
7.3.310.0040.00416.36
7.3.300.0000.00716.31
7.3.290.0120.00916.27
7.3.280.0060.00816.31
7.3.270.0120.00617.40
7.3.260.0120.01216.57
7.3.250.0090.00816.61
7.3.240.0060.01316.25
7.3.230.0110.01116.68
7.3.210.0100.00716.32
7.3.200.0060.01619.39
7.3.190.0070.01016.61
7.3.180.0100.00716.24
7.3.170.0060.01216.49
7.3.160.0160.00416.27
7.2.330.0060.01116.49
7.2.320.0000.01616.53
7.2.310.0100.00716.62
7.2.300.0120.00616.49
7.2.290.0130.00316.33
7.2.60.0100.00316.86
7.2.50.0190.00416.90
7.1.200.0030.00715.84
7.1.70.0000.00817.22
7.1.60.0140.00319.61
7.1.50.0100.01417.16
7.1.00.0000.08022.38
7.0.200.0000.00816.83
7.0.140.0130.06721.91
7.0.60.0130.05319.95
7.0.50.0070.06317.90
7.0.40.0100.08020.00
7.0.30.0230.04720.22
7.0.20.0230.04020.30
7.0.10.0100.08020.02
7.0.00.0030.08720.11
5.6.280.0070.07020.88
5.6.210.0100.07720.71
5.6.200.0030.09018.14
5.6.190.0130.06720.57
5.6.180.0200.08020.60
5.6.170.0430.07020.33
5.6.160.0100.08320.52
5.6.150.0070.06018.11
5.6.140.0030.04018.18
5.6.130.0070.07318.12
5.6.120.0070.04021.00
5.6.110.0070.07021.03
5.6.100.0070.07720.97
5.6.90.0030.04321.11
5.6.80.0130.08020.37
5.6.70.3300.03320.49
5.5.350.0300.07020.34
5.5.340.0100.04717.96
5.5.330.0070.05020.21
5.5.320.0200.05720.21
5.5.310.0170.04320.34
5.5.300.0100.05017.88
5.5.290.0030.04018.01
5.5.280.0000.07020.65
5.5.270.0130.06020.72
5.5.260.0030.08720.76
5.5.250.0100.08020.48
5.5.240.4130.04020.18
5.4.450.0130.04719.54
5.4.440.0330.04719.10
5.4.430.0500.05319.38
5.4.420.0800.03719.41
5.4.410.0130.04319.29
5.4.400.0170.03018.78
5.4.390.0170.02719.09
5.4.380.0330.06318.76
5.4.370.0400.05018.55
5.4.360.0430.04018.76
5.4.350.0330.05018.75
5.4.340.0300.05018.67
5.4.320.0090.03412.45
5.4.310.0070.05012.45
5.4.300.0060.03612.45
5.4.290.0070.03712.45
5.4.280.0070.03512.34
5.4.270.0110.03712.34
5.4.260.0130.03612.34
5.4.250.0110.04212.35
5.4.240.0090.05012.34
5.4.230.0040.05512.34
5.4.220.0060.03512.34
5.4.210.0070.04412.34
5.4.200.0120.03712.34
5.4.190.0070.03712.34
5.4.180.0060.03812.33
5.4.170.0070.05212.35
5.4.160.0030.04112.34
5.4.150.0050.04112.34
5.4.140.0080.04012.02
5.4.130.0090.04412.01
5.4.120.0060.04711.96
5.4.110.0070.04111.97
5.4.100.0050.04811.97
5.4.90.0060.04111.96
5.4.80.0090.04611.96
5.4.70.0060.04011.96
5.4.60.0050.04811.96
5.4.50.0060.04711.96
5.4.40.0080.03711.95
5.4.30.0100.03311.95
5.4.20.0090.04011.95
5.4.10.0120.04011.95
5.4.00.0090.03611.44
5.3.290.0080.05212.80
5.3.280.0090.04712.70
5.3.270.0070.04412.73
5.3.260.0110.05012.72
5.3.250.0080.04912.71
5.3.240.0110.04012.72
5.3.230.0110.03612.71
5.3.220.0090.04712.68
5.3.210.0110.04512.68
5.3.200.0050.04112.68
5.3.190.0090.04112.68
5.3.180.0050.04112.67
5.3.170.0080.03712.67
5.3.160.0050.04012.67
5.3.150.0160.03612.67
5.3.140.0090.03512.66
5.3.130.0070.03912.66
5.3.120.0120.04012.66
5.3.110.0060.04112.66
5.3.100.0130.03312.12
5.3.90.0060.05212.08
5.3.80.0050.04012.07
5.3.70.0080.03512.08
5.3.60.0080.03812.07
5.3.50.0080.04312.00
5.3.40.0090.05112.00
5.3.30.0090.04711.94
5.3.20.0080.04711.72
5.3.10.0080.03511.69
5.3.00.0070.03511.67
5.2.170.0030.0329.18
5.2.160.0030.0309.18
5.2.150.0030.0339.18
5.2.140.0040.0329.17
5.2.130.0050.0289.13
5.2.120.0080.0339.13
5.2.110.0050.0289.14
5.2.100.0070.0339.13
5.2.90.0040.0369.13
5.2.80.0040.0459.13
5.2.70.0060.0289.13
5.2.60.0030.0329.09
5.2.50.0060.0309.05
5.2.40.0060.0289.03
5.2.30.0060.0309.01
5.2.20.0060.0289.00
5.2.10.0060.0268.92
5.2.00.0060.0358.77
5.1.60.0020.0298.06
5.1.50.0060.0338.05
5.1.40.0070.0358.04
5.1.30.0050.0248.39
5.1.20.0060.0388.41
5.1.10.0050.0368.14
5.1.00.0030.0278.13
5.0.50.0040.0396.61
5.0.40.0040.0266.47
5.0.30.0060.0376.29
5.0.20.0020.0256.26
5.0.10.0060.0306.24
5.0.00.0040.0336.23
4.4.90.0040.0234.78
4.4.80.0030.0204.76
4.4.70.0000.0194.75
4.4.60.0030.0164.75
4.4.50.0040.0144.77
4.4.40.0040.0244.71
4.4.30.0020.0174.76
4.4.20.0010.0174.85
4.4.10.0050.0154.85
4.4.00.0020.0264.76
4.3.110.0070.0204.67
4.3.100.0030.0164.67
4.3.90.0040.0184.63
4.3.80.0040.0224.59
4.3.70.0030.0224.63
4.3.60.0000.0174.63
4.3.50.0010.0174.63
4.3.40.0020.0244.54
4.3.30.0040.0143.28
4.3.20.0010.0193.26
4.3.10.0030.0143.22
4.3.00.0000.01313.95

preferences:
41.16 ms | 401 KiB | 5 Q