3v4l.org

run code in 300+ PHP versions simultaneously
<? $x = 'bob1'; echo preg_match('[0-9a-zA-Z]', $x); echo preg_match('~[0-9a-zA-Z]~', $x); echo preg_match('~[0-9a-zA-Z]+~', $x); echo $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)
8.3.60.0070.00718.55
8.3.50.0190.00521.09
8.3.40.0110.00318.46
8.3.30.0070.00719.05
8.3.20.0040.00420.28
8.3.10.0040.00423.53
8.3.00.0050.00319.13
8.2.180.0100.01016.50
8.2.170.0070.00722.96
8.2.160.0130.00320.11
8.2.150.0000.00724.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0080.00022.05
8.2.110.0040.00420.40
8.2.100.0110.00617.95
8.2.90.0030.00519.15
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0070.00217.68
8.2.50.0050.00318.07
8.2.40.0000.00819.88
8.2.30.0000.00717.95
8.2.20.0040.00417.61
8.2.10.0000.00717.79
8.2.00.0040.00417.54
8.1.280.0070.00725.92
8.1.270.0040.00423.82
8.1.260.0080.00026.35
8.1.250.0030.00628.09
8.1.240.0030.00623.92
8.1.230.0070.00319.08
8.1.220.0080.00017.74
8.1.210.0000.00718.77
8.1.200.0030.00617.10
8.1.190.0040.00417.10
8.1.180.0000.00818.10
8.1.170.0080.00318.58
8.1.160.0030.00321.84
8.1.150.0040.00418.65
8.1.140.0040.00417.30
8.1.130.0070.00017.75
8.1.120.0070.00017.36
8.1.110.0040.00417.20
8.1.100.0000.00717.21
8.1.90.0000.00717.30
8.1.80.0000.00717.34
8.1.70.0000.00717.27
8.1.60.0000.00817.41
8.1.50.0000.00917.30
8.1.40.0050.00217.24
8.1.30.0000.00917.45
8.1.20.0040.00417.44
8.1.10.0030.00317.43
8.1.00.0040.00417.37
8.0.300.0070.00018.77
8.0.290.0070.00016.63
8.0.280.0030.00318.38
8.0.270.0020.00517.08
8.0.260.0060.00017.24
8.0.250.0030.00316.84
8.0.240.0030.00316.80
8.0.230.0000.00616.69
8.0.220.0040.00416.66
8.0.210.0000.00616.68
8.0.200.0000.00716.83
8.0.190.0040.00416.80
8.0.180.0000.00816.77
8.0.170.0000.00816.75
8.0.160.0070.00016.71
8.0.150.0040.00416.59
8.0.140.0050.00316.72
8.0.130.0040.00413.46
8.0.120.0040.00416.58
8.0.110.0100.00016.75
8.0.100.0070.00016.53
8.0.90.0080.00016.62
8.0.80.0030.01216.75
8.0.70.0040.00416.63
8.0.60.0040.00416.75
8.0.50.0000.00816.72
8.0.30.0080.01516.84
8.0.20.0100.01017.40
8.0.10.0030.00516.76
8.0.00.0120.00516.65
7.4.330.0050.00015.02
7.4.320.0030.00316.47
7.4.300.0000.00616.28
7.4.290.0060.00016.49
7.4.280.0070.00016.25
7.4.270.0050.00316.29
7.4.260.0030.00316.33
7.4.250.0000.00716.38
7.4.240.0060.00216.43
7.4.230.0000.00716.48
7.4.220.0060.01216.41
7.4.210.0040.01116.39
7.4.200.0000.00716.47
7.4.160.0030.01216.45
7.4.150.0060.01317.40
7.4.140.0090.00917.86
7.4.130.0070.00916.39
7.4.120.0090.00816.45
7.4.110.0130.00616.35
7.4.100.0140.00316.33
7.4.90.0100.01016.55
7.4.80.0090.00919.39
7.4.70.0100.00616.39
7.4.60.0120.00416.25
7.4.50.0050.00316.54
7.4.40.0060.01116.43
7.4.30.0070.01016.47
7.4.00.0070.00714.84
7.3.330.0050.00013.20
7.3.320.0000.00513.09
7.3.310.0000.00715.98
7.3.300.0000.00615.93
7.3.290.0070.00716.15
7.3.280.0080.00916.11
7.3.270.0150.00317.40
7.3.260.0060.01216.42
7.3.250.0100.00716.21
7.3.240.0080.01116.25
7.3.230.0090.00616.42
7.3.210.0060.00916.43
7.3.200.0100.00619.39
7.3.190.0110.00716.29
7.3.180.0070.01016.14
7.3.170.0060.01016.35
7.3.160.0090.00616.21
7.3.120.0150.00314.70
7.3.110.0100.00714.70
7.3.100.0000.01814.68
7.3.90.0090.00614.76
7.3.80.0000.00914.58
7.3.70.0090.00414.88
7.3.60.0070.00714.73
7.3.50.0040.00814.53
7.3.40.0030.01014.38
7.3.30.0090.00614.61
7.3.20.0040.01116.30
7.3.10.0100.00716.34
7.3.00.0110.00416.60
7.2.330.0060.01216.37
7.2.320.0030.01316.50
7.2.310.0070.01716.41
7.2.300.0100.01016.55
7.2.290.0260.00916.46
7.2.250.0100.00714.82
7.2.240.0100.01014.61
7.2.230.0070.01015.10
7.2.220.0100.00715.04
7.2.210.0000.01414.66
7.2.200.0030.01014.67
7.2.190.0060.01214.86
7.2.180.0060.00614.86
7.2.170.0030.01214.82
7.2.130.0120.00616.75
7.2.120.0170.00316.48
7.2.110.0140.01116.65
7.2.100.0070.01116.95
7.2.90.0160.01017.02
7.2.80.0210.01116.77
7.2.70.0130.01016.09
7.2.60.0110.00616.87
7.2.50.0110.01116.78
7.2.40.0160.00316.35
7.2.30.0070.01316.70
7.2.20.0080.01216.85
7.2.10.0150.00416.65
7.2.00.0150.00818.15
7.1.330.0040.01115.68
7.1.320.0080.00815.68
7.1.310.0030.00815.71
7.1.300.0060.00315.44
7.1.290.0100.00615.56
7.1.280.0030.01015.79
7.1.270.0000.01715.59
7.1.260.0080.00815.62
7.1.250.0160.00515.73
7.1.200.0040.00415.73
7.1.100.0030.01318.19
7.1.70.0000.00717.24
7.1.60.0030.01319.11
7.1.50.0060.01917.20
7.1.00.0000.08022.32
7.0.200.0040.00417.09
7.0.140.0030.07322.08
7.0.60.0030.06719.98
7.0.50.0070.08717.78
7.0.40.0070.04720.27
7.0.30.0230.03720.04
7.0.20.0330.07320.00
7.0.10.0100.08320.02
7.0.00.0070.09020.10
5.6.280.0030.07320.86
5.6.210.0100.08320.64
5.6.200.0000.07718.16
5.6.190.0100.07020.61
5.6.180.0200.05320.47
5.6.170.0400.07320.38
5.6.160.0030.07020.50
5.6.150.0030.08018.21
5.6.140.0100.08018.18
5.6.130.0030.04018.18
5.6.120.0070.03721.11
5.6.110.0070.08721.11
5.6.100.0070.03721.03
5.6.90.0100.08321.12
5.6.80.0130.07720.36
5.6.70.4470.04320.42
5.5.350.0070.07720.41
5.5.340.0030.06018.07
5.5.330.0170.08020.36
5.5.320.0200.08020.34
5.5.310.0500.06020.18
5.5.300.0070.08018.01
5.5.290.0070.04717.94
5.5.280.0070.06020.65
5.5.270.0070.08320.75
5.5.260.0130.07720.86
5.5.250.0030.08020.57
5.5.240.0270.02720.18
5.4.450.0970.06019.57
5.4.440.1030.06019.57
5.4.430.0970.05319.61
5.4.420.0830.00019.46
5.4.410.0870.00019.34
5.4.400.0770.00018.85
5.4.390.0670.00019.18
5.4.380.0730.00019.05
5.4.370.0770.00019.14
5.4.360.0630.00019.05
5.4.350.0770.00019.15
5.4.340.0090.03911.97
5.4.320.0070.04112.45
5.4.310.0020.04612.45
5.4.300.0060.03612.45
5.4.290.0090.03812.45
5.4.280.0050.03912.35
5.4.270.0070.03612.34
5.4.260.0080.03612.34
5.4.250.0070.04112.35
5.4.240.0060.03912.34
5.4.230.0080.03812.34
5.4.220.0040.05012.34
5.4.210.0030.04112.34
5.4.200.0050.03812.34
5.4.190.0050.03712.33
5.4.180.0060.03512.33
5.4.170.0060.03612.34
5.4.160.0060.03612.34
5.4.150.0060.03512.34
5.4.140.0050.03712.02
5.4.130.0060.03512.01
5.4.120.0050.03811.97
5.4.110.0050.03611.96
5.4.100.0090.04211.96
5.4.90.0070.03511.96
5.4.80.0070.04211.96
5.4.70.0050.04611.96
5.4.60.0070.03511.96
5.4.50.0050.03411.96
5.4.40.0050.03411.95
5.4.30.0080.03411.95
5.4.20.0030.03811.95
5.4.10.0050.03511.95
5.4.00.0060.03711.44
5.3.290.0050.04012.80
5.3.280.0060.04112.70
5.3.270.0070.03912.73
5.3.260.0040.04112.71
5.3.250.0090.03712.72
5.3.240.0080.03512.72
5.3.230.0020.04012.71
5.3.220.0060.03612.68
5.3.210.0030.04012.68
5.3.200.0060.03512.68
5.3.190.0020.04012.68
5.3.180.0050.03812.68
5.3.170.0060.03912.66
5.3.160.0050.03812.68
5.3.150.0070.04112.68
5.3.140.0040.04012.66
5.3.130.0100.04712.65
5.3.120.0110.05012.66
5.3.110.0090.04112.66
5.3.100.0090.05912.12
5.3.90.0110.03812.08
5.3.80.0050.03912.07
5.3.70.0070.04412.07
5.3.60.0090.03712.06
5.3.50.0100.03312.00
5.3.40.0050.04112.00
5.3.30.0070.05011.94
5.3.20.0040.03911.72
5.3.10.0040.04511.69
5.3.00.0080.03611.67
5.2.170.0060.0299.17
5.2.160.0050.0329.17
5.2.150.0040.0319.17
5.2.140.0050.0339.17
5.2.130.0030.0369.13
5.2.120.0070.0279.13
5.2.110.0050.0299.14
5.2.100.0070.0269.13
5.2.90.0040.0319.14
5.2.80.0030.0329.13
5.2.70.0050.0319.13
5.2.60.0040.0329.08
5.2.50.0070.0279.05
5.2.40.0020.0319.03
5.2.30.0060.0289.01
5.2.20.0050.0359.00
5.2.10.0060.0318.91
5.2.00.0050.0358.77
5.1.60.0030.0248.05
5.1.50.0030.0258.05
5.1.40.0040.0288.04
5.1.30.0060.0318.39
5.1.20.0050.0268.41
5.1.10.0040.0268.13
5.1.00.0060.0328.13
5.0.50.0040.0236.61
5.0.40.0060.0176.47
5.0.30.0030.0336.28
5.0.20.0050.0206.26
5.0.10.0040.0196.23
5.0.00.0050.0316.22
4.4.90.0050.0134.78
4.4.80.0040.0134.75
4.4.70.0010.0174.75
4.4.60.0030.0174.75
4.4.50.0050.0164.77
4.4.40.0030.0284.71
4.4.30.0020.0224.75
4.4.20.0040.0144.84
4.4.10.0010.0174.85
4.4.00.0040.0244.76
4.3.110.0020.0214.67
4.3.100.0030.0184.67
4.3.90.0020.0154.64
4.3.80.0020.0254.58
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0010.0264.53
4.3.30.0040.0153.28
4.3.20.0020.0173.26
4.3.10.0010.0163.21
4.3.00.0130.0207.28

preferences:
37.18 ms | 401 KiB | 5 Q