3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '[a-z][0-9]'; var_dump(preg_match('~' . $a . '~i', 'TesT1'));

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)
8.3.60.0070.00718.43
8.3.50.0130.00521.99
8.3.40.0100.00718.72
8.3.30.0000.01418.99
8.3.20.0070.00020.30
8.3.10.0050.00221.73
8.3.00.0040.00417.64
8.2.180.0120.00318.29
8.2.170.0040.01122.96
8.2.160.0040.01120.43
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00421.09
8.2.110.0090.00020.25
8.2.100.0080.00418.03
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0000.00817.75
8.2.60.0030.00517.93
8.2.50.0030.00618.07
8.2.40.0030.00618.09
8.2.30.0000.00818.19
8.2.20.0040.00417.82
8.2.10.0050.00218.05
8.2.00.0030.00517.87
8.1.280.0070.00725.92
8.1.270.0040.00424.00
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00021.93
8.1.230.0040.00819.15
8.1.220.0070.00017.76
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0050.00317.38
8.1.180.0000.00718.10
8.1.170.0030.00518.67
8.1.160.0000.00822.06
8.1.150.0000.00718.87
8.1.140.0040.00417.58
8.1.130.0030.00317.80
8.1.120.0050.00217.60
8.1.110.0000.00817.53
8.1.100.0050.00217.50
8.1.90.0090.00017.51
8.1.80.0000.00717.50
8.1.70.0030.00317.59
8.1.60.0000.00917.75
8.1.50.0000.00917.71
8.1.40.0040.00417.68
8.1.30.0050.00317.77
8.1.20.0000.00717.68
8.1.10.0000.00717.54
8.1.00.0000.00717.56
8.0.300.0030.00518.77
8.0.290.0000.00717.00
8.0.280.0070.00018.37
8.0.270.0000.00717.32
8.0.260.0000.00817.26
8.0.250.0030.00317.13
8.0.240.0040.00417.04
8.0.230.0000.00717.11
8.0.220.0050.00317.01
8.0.210.0080.00017.05
8.0.200.0040.00416.95
8.0.190.0040.00417.11
8.0.180.0000.00717.03
8.0.170.0030.00517.09
8.0.160.0000.00817.01
8.0.150.0040.00416.86
8.0.140.0050.00316.93
8.0.130.0050.00013.38
8.0.120.0000.00716.89
8.0.110.0020.00517.01
8.0.100.0000.00717.05
8.0.90.0020.00517.03
8.0.80.0000.01517.01
8.0.70.0070.00016.96
8.0.60.0040.00416.95
8.0.50.0000.00716.96
8.0.30.0080.01317.18
8.0.20.0110.00917.40
8.0.10.0000.00716.91
8.0.00.0100.00917.06
7.4.330.0020.00215.16
7.4.320.0000.00616.66
7.4.300.0000.00716.68
7.4.290.0000.00816.58
7.4.280.0040.00416.72
7.4.270.0030.00316.62
7.4.260.0000.00716.70
7.4.250.0040.00416.68
7.4.240.0010.00616.67
7.4.230.0030.00316.85
7.4.220.0110.00716.59
7.4.210.0030.01016.60
7.4.200.0000.00716.83
7.4.160.0060.01016.58
7.4.150.0140.00417.40
7.4.140.0120.00517.86
7.4.130.0130.00416.65
7.4.120.0130.00716.71
7.4.110.0150.00716.64
7.4.100.0120.00616.72
7.4.90.0100.00716.64
7.4.80.0140.00519.39
7.4.70.0080.00716.63
7.4.60.0150.00416.39
7.4.50.0030.00616.62
7.4.40.0110.00816.60
7.4.30.0060.01016.60
7.4.10.0080.01116.37
7.4.00.0080.00915.70
7.3.330.0000.00513.29
7.3.320.0050.00013.26
7.3.310.0040.00416.40
7.3.300.0040.00416.37
7.3.290.0100.00316.40
7.3.280.0070.00916.37
7.3.270.0110.00417.40
7.3.260.0040.01216.41
7.3.250.0090.00816.48
7.3.240.0110.00616.65
7.3.230.0090.00916.49
7.3.210.0000.02016.68
7.3.200.0070.01019.39
7.3.190.0100.01016.70
7.3.180.0060.00916.41
7.3.170.0170.00416.68
7.3.160.0080.00816.57
7.3.130.0080.00616.66
7.3.120.0070.01015.84
7.3.110.0030.01016.51
7.3.100.0060.00616.47
7.3.90.0060.00616.55
7.3.80.0070.00716.54
7.3.70.0120.00316.38
7.3.60.0120.00316.52
7.3.50.0060.00916.60
7.3.40.0090.00316.51
7.3.30.0030.01316.40
7.3.20.0060.01218.29
7.3.10.0100.00818.29
7.3.00.0090.00618.40
7.2.330.0140.00816.65
7.2.320.0110.01216.74
7.2.310.0070.01316.76
7.2.300.0100.00616.77
7.2.290.0050.01116.78
7.2.260.0100.01016.64
7.2.250.0040.01516.53
7.2.240.0080.00816.65
7.2.230.0000.01316.77
7.2.220.0070.00716.70
7.2.210.0090.00316.53
7.2.200.0030.01016.45
7.2.190.0070.00716.34
7.2.180.0070.00316.46
7.2.170.0030.01016.62
7.2.160.0090.00616.67
7.2.150.0030.01018.57
7.2.140.0000.01618.48
7.2.130.0100.00618.44
7.2.120.0040.01118.36
7.2.110.0060.00918.41
7.2.100.0160.00418.47
7.2.90.0060.01218.46
7.2.80.0070.01018.46
7.2.70.0070.00718.37
7.2.60.0090.00318.43
7.2.50.0040.00818.32
7.2.40.0060.01218.50
7.2.30.0000.01018.36
7.2.20.0040.00718.48
7.2.10.0070.01118.37
7.2.00.0090.00519.07
7.1.330.0040.00817.68
7.1.320.0060.00617.54
7.1.310.0070.00717.61
7.1.300.0030.00617.47
7.1.290.0060.00317.50
7.1.280.0050.00517.44
7.1.270.0140.00017.33
7.1.260.0090.00617.46
7.1.250.0060.00917.31
7.1.240.0080.00417.32
7.1.230.0100.00517.35
7.1.220.0070.01317.43
7.1.210.0110.00417.33
7.1.200.0070.00717.54
7.1.190.0100.00017.48
7.1.180.0060.00817.57
7.1.170.0070.00317.34
7.1.160.0120.00417.17
7.1.150.0040.00817.36
7.1.140.0030.01017.39
7.1.130.0160.00017.33
7.1.120.0070.00717.25
7.1.110.0070.00717.38
7.1.100.0070.00617.92
7.1.90.0000.01717.55
7.1.80.0060.00317.43
7.1.70.0040.00617.49
7.1.60.0070.01618.34
7.1.50.0040.01217.15
7.1.40.0060.00917.51
7.1.30.0090.00617.44
7.1.20.0040.01217.52
7.1.10.0060.01217.58
7.1.00.0070.04119.86
7.0.330.0100.00617.37
7.0.320.0070.01117.26
7.0.310.0060.00917.06
7.0.300.0000.01117.18
7.0.290.0090.00016.97
7.0.280.0040.00417.17
7.0.270.0020.01017.22
7.0.260.0120.00617.10
7.0.250.0140.00317.30
7.0.240.0110.00917.16
7.0.230.0050.01817.01
7.0.220.0070.01717.22
7.0.210.0110.01117.10
7.0.200.0070.00816.98
7.0.190.0150.00617.05
7.0.180.0110.00717.21
7.0.170.0060.01017.10
7.0.160.0100.00617.24
7.0.150.0030.01317.26
7.0.140.0100.03919.65
7.0.130.0040.01217.15
7.0.120.0000.01317.06
7.0.110.0130.00316.97
7.0.100.0060.00317.11
7.0.90.0090.00617.15
7.0.80.0110.00717.37
7.0.70.0070.00717.11
7.0.60.0170.04318.51
7.0.50.0060.02517.50
7.0.40.0070.04817.60
7.0.30.0170.04117.61
7.0.20.0250.03517.57
7.0.10.0050.04617.67
7.0.00.0020.02517.48
5.6.400.0130.00616.04
5.6.390.0050.01015.64
5.6.380.0030.01416.03
5.6.370.0090.00615.75
5.6.360.0030.00616.06
5.6.350.0100.00716.03
5.6.340.0110.00715.71
5.6.330.0170.00415.90
5.6.320.0140.00516.06
5.6.310.0200.00316.25
5.6.300.0110.00615.88
5.6.290.0040.01016.08
5.6.280.0050.03818.36
5.6.270.0090.00615.86
5.6.260.0040.00815.63
5.6.250.0090.00615.77
5.6.240.0040.00716.13
5.6.230.0070.00715.88
5.6.220.0090.00415.85
5.6.210.0080.04218.31
5.6.200.0070.04317.04
5.6.190.0090.02818.20
5.6.180.0130.04218.13
5.6.170.0150.02518.13
5.6.160.0060.02218.20
5.6.150.0080.03816.94
5.6.140.0040.03416.98
5.6.130.0030.04916.99
5.6.120.0130.04018.45
5.6.110.0090.04218.44
5.6.100.0040.05018.40
5.6.90.0130.03718.39
5.6.80.0130.03518.05
5.6.70.0070.00715.76
5.6.60.0080.00415.86
5.6.50.0030.01015.79
5.6.40.0030.00915.83
5.6.30.0060.00915.68
5.6.20.0080.00815.90
5.6.10.0130.00315.78
5.6.00.0120.00315.70
5.5.380.0000.01115.71
5.5.370.0070.00715.72
5.5.360.0060.00915.88
5.5.350.0190.04017.96
5.5.340.0070.02416.85
5.5.330.0100.02517.91
5.5.320.0210.04018.13
5.5.310.0120.03117.79
5.5.300.0120.03916.73
5.5.290.0100.04316.84
5.5.280.0070.04618.19
5.5.270.0050.04318.24
5.5.260.0050.04018.13
5.5.250.0110.04118.13
5.5.240.0020.04417.72
5.5.230.0000.01315.71
5.5.220.0000.01315.65
5.5.210.0070.00315.77
5.5.200.0030.01215.74
5.5.190.0120.00915.39
5.5.180.0070.00615.35
5.5.170.0080.00915.60
5.5.160.0120.00615.56
5.5.150.0030.01315.53
5.5.140.0110.00415.46
5.5.130.0040.01215.58
5.5.120.0070.01115.42
5.5.110.0060.00915.54
5.5.100.0000.01915.56
5.5.90.0140.00315.18
5.5.80.0070.01015.38
5.5.70.0030.01215.52
5.5.60.0090.00315.65
5.5.50.0090.00915.55
5.5.40.0090.00615.50
5.5.30.0100.01015.59
5.5.20.0030.01415.66
5.5.10.0070.01015.29
5.5.00.0040.01115.53
5.4.450.1820.02515.94
5.4.440.0020.04615.98
5.4.430.0670.01715.87
5.4.420.2160.02115.96
5.4.410.2180.02015.66
5.4.400.1730.01615.73
5.4.390.1770.02415.71
5.4.380.2010.02115.77
5.4.370.2010.02115.72
5.4.360.1820.01815.67
5.4.350.2080.02815.61
5.4.340.2260.02615.70
5.4.330.0050.00512.29
5.4.320.2320.02115.64
5.4.310.2060.01815.75
5.4.300.2040.01715.79
5.4.290.2070.02015.67
5.4.280.2070.02315.70
5.4.270.1900.02615.83
5.4.260.1420.02715.85
5.4.250.1710.02015.78
5.4.240.1620.01915.60
5.4.230.1760.02015.82
5.4.220.1790.01515.79
5.4.210.1730.02215.79
5.4.200.1570.02015.55
5.4.190.2210.02415.74
5.4.180.2350.02015.72
5.4.170.2020.02215.71
5.4.160.1960.02115.76
5.4.150.1850.02715.75
5.4.140.2030.02114.34
5.4.130.2020.01914.32
5.4.120.1870.02014.38
5.4.110.1990.02214.34
5.4.100.1830.02014.36
5.4.90.1860.01714.28
5.4.80.1940.02414.41
5.4.70.1980.01614.42
5.4.60.0770.02714.37
5.4.50.0110.03414.39
5.4.40.2360.02114.33
5.4.30.2300.02014.35
5.4.20.1800.02214.44
5.4.10.1960.02114.38
5.4.00.2040.02613.92
5.3.290.2300.02013.84
5.3.280.1610.02313.77
5.3.270.1820.02413.74
5.3.260.1850.02413.72
5.3.250.1840.02113.59
5.3.240.1900.02013.71
5.3.230.1970.02213.78
5.3.220.1930.02113.65
5.3.210.1880.02013.67
5.3.200.1890.01913.80
5.3.190.1990.02213.66
5.3.180.2080.02113.67
5.3.170.2030.02313.71
5.3.160.0070.02613.73
5.3.150.0050.02513.73
5.3.140.2250.02113.76
5.3.130.2150.01913.68
5.3.120.2060.02413.67
5.3.110.1920.02213.71
5.3.100.1980.02313.46
5.3.90.1980.02313.47
5.3.80.2050.02413.31
5.3.70.2090.02813.37
5.3.60.2030.02113.36
5.3.50.2080.02113.22
5.3.40.2390.01713.24
5.3.30.0120.03513.38
5.3.20.0060.02813.18
5.3.10.2320.02413.09
5.3.00.2080.02413.09
5.2.170.3270.03011.06
5.2.160.3830.02311.14
5.2.150.3930.02311.07
5.2.140.0000.04010.96
5.2.130.0000.05011.18
5.2.120.3600.02711.03
5.2.110.3670.03011.03
5.2.100.3170.03011.03
5.2.90.3000.02711.09
5.2.80.3000.03011.02
5.2.70.3030.03311.00
5.2.60.3470.02711.01
5.2.50.3200.02711.09
5.2.40.2400.03010.93
5.2.30.2530.03310.90
5.2.20.2770.03310.86
5.2.10.2730.03010.89
5.2.00.2470.03010.70
5.1.60.2930.0279.89
5.1.50.2470.0239.89
5.1.40.2670.02310.12
5.1.30.2800.02710.38
5.1.20.2470.02010.35
5.1.10.2630.02710.05
5.1.00.2630.02310.11
5.0.50.1200.0208.51
5.0.40.1230.0178.46
5.0.30.1700.0338.21
5.0.20.1300.0138.22
5.0.10.1900.0138.22
5.0.00.1800.0338.16
4.4.90.1330.0135.81
4.4.80.1100.0075.84
4.4.70.1630.0135.78
4.4.60.1400.0235.88
4.4.50.1270.0175.81
4.4.40.1500.0275.79
4.4.30.1200.0135.79
4.4.20.1270.0135.86
4.4.10.1230.0175.87
4.4.00.1470.0305.81
4.3.110.1630.0205.73
4.3.100.1770.0175.73
4.3.90.1730.0175.71
4.3.80.1600.0275.67
4.3.70.1770.0175.67
4.3.60.1430.0135.72
4.3.50.1670.0205.73
4.3.40.1700.0275.63
4.3.30.0900.0275.37
4.3.20.0900.0135.37
4.3.10.0400.0175.37
4.3.00.0730.0175.37

preferences:
40.31 ms | 401 KiB | 5 Q