3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('~^[^A-ZА-ЯЁ]{0,2}_?$~u', '23'));

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)
8.3.40.0090.00918.84
8.3.30.0110.00419.04
8.3.20.0040.00420.30
8.3.10.0060.00320.56
8.3.00.0040.00419.38
8.2.170.0140.00022.96
8.2.160.0070.00720.27
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0000.00821.18
8.2.110.0060.00322.08
8.2.100.0070.00418.09
8.2.90.0040.00418.96
8.2.80.0030.00517.97
8.2.70.0030.00717.63
8.2.60.0050.00517.55
8.2.50.0050.00318.07
8.2.40.0050.00318.22
8.2.30.0070.00317.84
8.2.20.0000.00817.83
8.2.10.0070.00017.96
8.2.00.0070.00017.87
8.1.270.0040.00423.98
8.1.260.0040.00426.35
8.1.250.0020.00528.09
8.1.240.0030.00618.75
8.1.230.0050.00519.16
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0050.00317.11
8.1.180.0060.00318.10
8.1.170.0000.00818.67
8.1.160.0040.00421.97
8.1.150.0000.00718.70
8.1.140.0000.00717.35
8.1.130.0000.00717.79
8.1.120.0070.00017.35
8.1.110.0000.00717.46
8.1.100.0080.00017.39
8.1.90.0040.00417.38
8.1.80.0000.00717.56
8.1.70.0030.00317.34
8.1.60.0030.00617.45
8.1.50.0080.00017.52
8.1.40.0040.00417.54
8.1.30.0040.00417.57
8.1.20.0040.00417.55
8.1.10.0030.00617.43
8.1.00.0000.00817.48
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0030.00318.39
8.0.270.0030.00317.07
8.0.260.0000.00617.06
8.0.250.0030.00317.05
8.0.240.0030.00316.99
8.0.230.0040.00417.04
8.0.220.0030.00317.00
8.0.210.0000.00717.02
8.0.200.0040.00417.02
8.0.190.0080.00017.01
8.0.180.0050.00216.99
8.0.170.0000.00816.98
8.0.160.0070.00016.97
8.0.150.0000.00716.93
8.0.140.0040.00416.81
8.0.130.0000.00613.38
8.0.120.0080.00016.94
8.0.110.0050.00316.99
8.0.100.0020.00517.09
8.0.90.0070.00017.01
8.0.80.0000.01416.95
8.0.70.0040.00417.04
8.0.60.0040.00416.83
8.0.50.0000.00816.89
8.0.30.0080.01217.12
8.0.20.0120.00617.41
8.0.10.0000.00816.86
8.0.00.0080.00916.95
7.4.330.0000.00515.05
7.4.320.0030.00316.70
7.4.300.0030.00316.63
7.4.290.0000.00716.44
7.4.280.0030.00616.59
7.4.270.0070.00016.61
7.4.260.0040.00416.68
7.4.250.0050.00316.55
7.4.240.0020.00516.67
7.4.230.0000.00716.79
7.4.220.0090.00916.64
7.4.210.0040.01116.66
7.4.200.0000.00716.73
7.4.160.0090.00716.67
7.4.150.0120.00917.40
7.4.140.0130.00817.86
7.4.130.0070.01116.54
7.4.120.0170.00616.64
7.4.110.0030.01416.59
7.4.100.0100.01016.56
7.4.90.0140.00316.57
7.4.80.0100.01019.39
7.4.70.0110.00616.61
7.4.60.0060.00916.59
7.4.50.0050.00016.56
7.4.40.0070.01016.43
7.4.30.0100.00616.51
7.4.10.0030.01415.04
7.4.00.0030.01214.98
7.3.330.0060.00013.33
7.3.320.0000.00513.19
7.3.310.0030.00316.29
7.3.300.0040.00416.19
7.3.290.0000.01416.46
7.3.280.0090.00716.33
7.3.270.0130.01017.40
7.3.260.0080.00816.43
7.3.250.0170.00416.37
7.3.240.0080.00816.26
7.3.230.0120.01216.64
7.3.210.0070.01016.28
7.3.200.0060.01719.39
7.3.190.0170.00416.69
7.3.180.0090.00916.49
7.3.170.0100.00716.27
7.3.160.0090.00616.35
7.3.130.0000.01915.01
7.3.120.0060.00914.68
7.3.110.0040.01514.91
7.3.100.0090.00614.95
7.3.90.0030.01215.10
7.3.80.0080.00415.14
7.3.70.0070.00714.68
7.3.60.0070.00714.86
7.3.50.0110.00314.99
7.3.40.0120.00314.66
7.3.30.0070.01014.71
7.3.20.0090.00616.78
7.3.10.0070.00716.73
7.3.00.0030.01316.83
7.2.330.0060.01116.68
7.2.320.0090.01216.70
7.2.310.0090.01416.48
7.2.300.0080.00816.48
7.2.290.0100.00716.53
7.2.260.0040.01414.65
7.2.250.0060.01214.78
7.2.240.0110.00415.09
7.2.230.0040.01415.24
7.2.220.0120.00615.00
7.2.210.0040.00414.89
7.2.200.0060.00814.95
7.2.190.0090.00614.73
7.2.180.0030.00914.88
7.2.170.0090.00314.88
7.2.160.0030.01014.99
7.2.150.0120.00316.97
7.2.140.0070.00716.91
7.2.130.0110.00417.01
7.2.120.0030.00916.91
7.2.110.0040.01116.96
7.2.100.0060.00616.64
7.2.90.0080.00316.98
7.2.80.0090.00616.91
7.2.70.0040.00417.06
7.2.60.0050.00517.07
7.2.50.0060.00616.87
7.2.40.0090.00916.92
7.2.30.0080.00417.07
7.2.20.0000.01016.85
7.2.10.0060.00916.86
7.2.00.0060.00816.85
7.1.330.0070.00715.82
7.1.320.0000.01515.94
7.1.310.0030.01015.91
7.1.300.0050.00515.78
7.1.290.0100.00315.80
7.1.280.0100.00715.73
7.1.270.0040.00715.48
7.1.260.0030.00615.86
7.1.250.0080.00815.96
7.1.240.0150.00015.72
7.1.230.0030.01015.94
7.1.220.0070.00715.88
7.1.210.0070.00715.61
7.1.200.0060.00915.98
7.1.190.0040.00415.54
7.1.180.0050.00315.90
7.1.170.0100.00715.84
7.1.160.0030.00615.74
7.1.150.0030.00915.93
7.1.140.0000.01015.75
7.1.130.0000.01215.84
7.1.120.0090.00315.81
7.1.110.0060.00615.91
7.1.100.0030.01016.02
7.1.90.0050.00515.80
7.1.80.0060.00815.77
7.1.70.0050.00816.38
7.1.60.0100.00417.65
7.1.50.0030.01116.48
7.1.40.0040.00715.55
7.1.30.0030.00915.88
7.1.20.0030.00715.86
7.1.10.0060.00315.84
7.1.00.0060.04019.23
7.0.330.0030.00615.10
7.0.320.0000.00915.48
7.0.310.0070.00715.44
7.0.300.0110.00415.36
7.0.290.0000.00915.63
7.0.280.0080.00415.06
7.0.270.0110.00415.49
7.0.260.0050.00815.33
7.0.250.0040.00415.61
7.0.240.0000.01515.28
7.0.230.0060.00615.51
7.0.220.0030.00915.24
7.0.210.0000.00915.61
7.0.200.0060.00516.17
7.0.190.0030.00915.40
7.0.180.0100.00015.47
7.0.170.0030.01015.60
7.0.160.0060.00615.52
7.0.150.0080.00315.55
7.0.140.0030.04018.69
7.0.130.0030.00915.64
7.0.120.0030.00915.61
7.0.110.0000.01415.31
7.0.100.0060.00615.43
7.0.90.0070.00715.32
7.0.80.0030.01015.43
7.0.70.0040.00815.47
7.0.60.0070.04717.69
7.0.50.0100.03816.81
7.0.40.0050.04916.75
7.0.30.0150.03716.89
7.0.20.0210.03916.81
7.0.10.0070.02316.91
7.0.00.0080.03316.87
5.6.400.0120.00014.16
5.6.390.0000.01214.21
5.6.380.0000.01114.47
5.6.370.0140.00014.29
5.6.360.0040.01413.79
5.6.350.0000.01014.10
5.6.340.0070.00714.00
5.6.330.0030.00614.49
5.6.320.0060.00614.34
5.6.310.0000.01014.14
5.6.300.0060.00814.37
5.6.290.0090.00314.10
5.6.280.0060.00914.14
5.6.270.0000.01614.12
5.6.260.0060.00914.34
5.6.250.0040.00414.34
5.6.240.0060.00614.25
5.6.230.0030.00714.29
5.6.220.0030.01014.23
5.6.210.0080.03617.38
5.6.200.0150.03816.01
5.6.190.0070.04717.33
5.6.180.0280.04317.38
5.6.170.0150.02717.40
5.6.160.0100.02017.22
5.6.150.0030.03916.13
5.6.140.0120.03716.16
5.6.130.0050.02416.24
5.6.120.0050.02917.58
5.6.110.0090.03917.49
5.6.100.0070.04617.73
5.6.90.0060.02517.66
5.6.80.0080.04417.31
5.6.70.0040.00414.05
5.6.60.0090.00614.10
5.6.50.0030.01314.30
5.6.40.0040.00414.16
5.6.30.0030.01013.99
5.6.20.0040.00713.95
5.6.10.0070.00714.04
5.6.00.0040.00714.14
5.5.380.0030.00913.90
5.5.370.0030.00614.06
5.5.360.0080.00814.14
5.5.350.0080.04617.27
5.5.340.0080.03016.03
5.5.330.0070.04317.25
5.5.320.0180.03117.04
5.5.310.0100.03517.12
5.5.300.0090.04015.90
5.5.290.0050.04316.12
5.5.280.0030.03317.41
5.5.270.0030.04817.31
5.5.260.0080.04617.62
5.5.250.0080.02817.42
5.5.240.0100.02917.07
5.5.230.0090.00313.76
5.5.220.0130.00313.80
5.5.210.0030.01014.21
5.5.200.0000.00813.87
5.5.190.0040.01114.16
5.5.180.0030.00714.21
5.5.170.0000.00814.16
5.5.160.0030.00914.13
5.5.150.0060.00613.76
5.5.140.0000.00913.91
5.5.130.0080.00413.86
5.5.120.0070.00714.00
5.5.110.0060.00613.84
5.5.100.0030.01214.18
5.5.90.0100.00313.98
5.5.80.0030.00614.23
5.5.70.0030.00613.87
5.5.60.0040.01113.96
5.5.50.0070.00414.07
5.5.40.0030.01013.82
5.5.30.0100.00713.89
5.5.20.0110.00614.21
5.5.10.0030.01213.89
5.5.00.0040.00713.71
5.4.450.0230.02516.44
5.4.440.0180.02316.44
5.4.430.0060.02116.30
5.4.420.0330.00416.45
5.4.410.0390.00316.35
5.4.400.0320.00416.28
5.4.390.0320.00316.17
5.4.380.0330.00616.16
5.4.370.0350.00316.19
5.4.360.0330.00216.28
5.4.350.0370.00016.25
5.4.340.0330.00316.16
5.4.330.0000.00613.39
5.4.320.0020.02312.92
5.4.310.0050.02312.92
5.4.300.0060.02212.92
5.4.290.0050.02112.92
5.4.280.0080.01812.87
5.4.270.0040.02112.87
5.4.260.0030.02412.87
5.4.250.0030.02212.87
5.4.240.0050.02112.87
5.4.230.0060.02012.86
5.4.220.0040.02412.86
5.4.210.0050.02712.86
5.4.200.0080.02012.86
5.4.190.0090.02712.86
5.4.180.0080.02112.86
5.4.170.0080.02212.87
5.4.160.0080.02212.87
5.4.150.0070.02212.87
5.4.140.0080.02512.71
5.4.130.0060.02212.70
5.4.120.0090.02112.68
5.4.110.0060.02212.68
5.4.100.0030.02012.68
5.4.90.0080.01912.68
5.4.80.0020.02312.68
5.4.70.0020.02312.68
5.4.60.0050.02112.67
5.4.50.0060.01912.68
5.4.40.0030.02312.67
5.4.30.0080.02412.67
5.4.20.0060.02012.67
5.4.10.0100.01912.67
5.4.00.0050.02312.41
5.3.290.0060.03912.80
5.3.280.0040.04012.71
5.3.270.0060.03812.72
5.3.260.0050.03912.72
5.3.250.0050.04112.72
5.3.240.0110.04112.72
5.3.230.0150.05012.71
5.3.220.0070.04612.68
5.3.210.0050.04012.68
5.3.200.0060.04212.68
5.3.190.0100.03412.67
5.3.180.0060.04512.68
5.3.170.0070.03612.67
5.3.160.0090.03312.68
5.3.150.0060.03712.67
5.3.140.0060.03712.66
5.3.130.0090.03912.65
5.3.120.0060.04012.66
5.3.110.0040.04112.66
5.3.100.0060.03512.12
5.3.90.0040.03712.08
5.3.80.0070.03412.07
5.3.70.0040.03812.08
5.3.60.0040.03812.06
5.3.50.0040.03712.00
5.3.40.0060.04212.00
5.3.30.0040.03611.95
5.3.20.0080.04011.73
5.3.10.0060.03411.70
5.3.00.0100.04011.69
5.2.170.0030.0349.18
5.2.160.0040.0359.19
5.2.150.0080.0379.18
5.2.140.0040.0309.18
5.2.130.0070.0269.14
5.2.120.0040.0289.14
5.2.110.0040.0299.15
5.2.100.0050.0409.14
5.2.90.0040.0299.14
5.2.80.0030.0309.14
5.2.70.0050.0309.14
5.2.60.0080.0369.10
5.2.50.0020.0329.06
5.2.40.0030.0369.04
5.2.30.0060.0279.02
5.2.20.0020.0309.01
5.2.10.0030.0308.91
5.2.00.0060.0338.77
5.1.60.0050.0228.06
5.1.50.0050.0268.05
5.1.40.0050.0248.04
5.1.30.0020.0288.39
5.1.20.0030.0288.41
5.1.10.0010.0298.13
5.1.00.0050.0318.13
5.0.50.0070.0176.61
5.0.40.0050.0186.47
5.0.30.0050.0306.28
5.0.20.0040.0206.25
5.0.10.0030.0216.23
5.0.00.0040.0316.22
4.4.90.0030.0164.78
4.4.80.0010.0174.75
4.4.70.0040.0154.76
4.4.60.0020.0184.75
4.4.50.0020.0164.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0060.0124.84
4.4.10.0040.0144.85
4.4.00.0030.0244.76
4.3.110.0040.0154.66
4.3.100.0040.0144.66
4.3.90.0040.0144.64
4.3.80.0040.0254.58
4.3.70.0040.0144.63
4.3.60.0030.0164.63
4.3.50.0020.0224.63
4.3.40.0060.0254.54
4.3.30.0030.0173.28
4.3.20.0050.0203.25
4.3.10.0020.0163.21
4.3.00.0000.01313.59

preferences:
43.75 ms | 400 KiB | 5 Q