3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match('~(a)*~', str_repeat('a', 5431), $match); var_dump($match);

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)
8.3.40.0120.00618.89
8.3.30.0090.00618.84
8.3.20.0040.00418.88
8.3.10.0030.00520.82
8.3.00.0000.00819.63
8.2.170.0040.01122.96
8.2.160.0100.01022.36
8.2.150.0000.00724.18
8.2.140.0030.00524.66
8.2.130.0050.00326.16
8.2.120.0000.00719.83
8.2.110.0030.00621.07
8.2.100.0040.00817.78
8.2.90.0080.00017.97
8.2.80.0000.00818.16
8.2.70.0040.00417.63
8.2.60.0030.00617.75
8.2.50.0040.00417.75
8.2.40.0040.00417.88
8.2.30.0040.00418.09
8.2.20.0080.00017.84
8.2.10.0050.00317.88
8.2.00.0040.00417.71
8.1.270.0170.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.93
8.1.230.0100.00321.04
8.1.220.0050.00317.78
8.1.210.0060.00319.02
8.1.200.0050.00317.48
8.1.190.0050.00317.48
8.1.180.0000.00818.10
8.1.170.0000.00817.62
8.1.160.0040.00418.82
8.1.150.0040.00418.79
8.1.140.0000.00817.59
8.1.130.0070.00017.93
8.1.120.0040.00417.57
8.1.110.0040.00417.66
8.1.100.0040.00417.55
8.1.90.0070.00017.49
8.1.80.0060.00317.61
8.1.70.0000.00717.55
8.1.60.0040.00417.76
8.1.50.0080.00017.44
8.1.40.0060.00317.68
8.1.30.0040.00417.82
8.1.20.0000.00817.69
8.1.10.0000.00817.73
8.1.00.0040.00417.51
8.0.300.0040.00419.94
8.0.290.0040.00416.88
8.0.280.0000.00818.46
8.0.270.0030.00317.26
8.0.260.0030.00316.89
8.0.250.0080.00017.09
8.0.240.0000.01117.11
8.0.230.0070.00017.00
8.0.220.0040.00417.00
8.0.210.0040.00416.93
8.0.200.0030.00716.96
8.0.190.0000.00817.09
8.0.180.0040.00417.11
8.0.170.0040.00416.95
8.0.160.0050.00316.97
8.0.150.0000.00716.86
8.0.140.0060.00517.05
8.0.130.0040.00413.52
8.0.120.0000.00717.00
8.0.110.0070.00017.03
8.0.100.0040.00416.94
8.0.90.0040.00416.92
8.0.80.0090.00616.98
8.0.70.0070.00016.95
8.0.60.0070.00016.94
8.0.50.0030.00516.86
8.0.30.0090.01317.34
8.0.20.0170.00617.19
8.0.10.0040.00416.97
8.0.00.0110.00916.96
7.4.330.0020.00213.00
7.4.320.0030.00316.85
7.4.300.0000.00616.70
7.4.290.0030.00316.78
7.4.280.0030.00616.73
7.4.270.0030.00316.85
7.4.260.0030.00313.48
7.4.250.0040.00416.79
7.4.240.0030.00316.73
7.4.230.0070.00016.55
7.4.220.0180.00416.77
7.4.210.0070.00816.84
7.4.200.0000.00816.60
7.4.190.0040.00416.95
7.4.160.0080.00816.84
7.4.150.0150.00416.88
7.4.140.0120.00716.66
7.4.130.0090.00916.72
7.4.120.0130.01016.70
7.4.110.0070.01016.75
7.4.100.0040.01316.62
7.4.90.0070.01016.53
7.4.80.0100.00716.90
7.4.70.0110.01116.43
7.4.60.0100.00716.52
7.4.50.0030.00616.56
7.4.40.0030.01016.61
7.4.30.0110.00716.63
7.4.00.0080.00815.20
7.3.330.0030.00313.34
7.3.320.0050.00013.28
7.3.310.0030.00316.49
7.3.300.0000.00716.39
7.3.290.0040.01116.52
7.3.280.0060.01416.45
7.3.270.0060.01216.44
7.3.260.0140.00416.56
7.3.250.0120.00816.61
7.3.240.0140.00316.33
7.3.230.0030.01316.39
7.3.210.0110.00516.71
7.3.200.0140.00419.39
7.3.190.0090.01216.60
7.3.180.0050.01116.71
7.3.170.0120.00816.55
7.3.160.0130.00416.47
7.3.120.0070.00714.90
7.3.10.0330.00515.68
7.3.00.0340.00715.69
7.2.330.0050.01416.71
7.2.320.0110.00616.59
7.2.310.0150.00316.80
7.2.300.0030.01316.68
7.2.290.0070.01016.46
7.2.130.0330.00816.03
7.2.120.0390.00616.02
7.2.110.0330.00615.82
7.2.100.0480.00515.82
7.2.90.0390.00815.76
7.2.80.0430.00815.93
7.2.70.0320.00815.80
7.2.60.0210.00516.32
7.2.50.0590.00315.73
7.2.40.0440.01015.92
7.2.30.0360.00316.11
7.2.20.0270.00717.04
7.2.10.0310.00817.27
7.2.00.0280.00817.73
7.1.250.0350.00515.01
7.1.240.0590.01613.90
7.1.230.0720.00714.19
7.1.220.0610.01014.08
7.1.210.0560.00314.02
7.1.200.0520.00715.02
7.1.190.0900.00713.77
7.1.180.0860.00613.76
7.1.170.0700.01614.10
7.1.160.0730.01413.85
7.1.150.0880.00013.86
7.1.140.0340.00816.39
7.1.130.0320.01416.46
7.1.120.0280.01416.46
7.1.110.0350.00616.26
7.1.100.0320.00916.14
7.1.90.0280.01016.10
7.1.80.0780.01216.01
7.1.70.0220.00816.13
7.1.60.0350.00822.32
7.1.50.0290.01321.96
7.1.40.0330.01124.39
7.1.30.0360.02024.40
7.1.20.0540.01124.34
7.1.10.0280.00915.27
7.1.00.0210.02917.76
7.0.330.0700.00613.93
7.0.320.0520.00713.83
7.0.310.0700.01313.82
7.0.300.0530.00713.54
7.0.290.0610.01013.64
7.0.280.0800.00313.49
7.0.270.0310.01215.89
7.0.260.0400.01216.02
7.0.250.0520.00715.51
7.0.240.0340.01015.86
7.0.230.0380.00615.84
7.0.220.0340.01015.82
7.0.210.0300.01015.31
7.0.200.0180.01415.88
7.0.190.0320.00815.30
7.0.180.0240.00814.98
7.0.170.0230.01114.91
7.0.160.0220.01114.99
7.0.150.0240.00914.89
7.0.140.0210.03217.52
7.0.130.0190.01115.17
7.0.120.0160.03217.37
7.0.110.0280.01515.09
7.0.100.0360.00814.83
7.0.90.0730.00914.95
7.0.80.1020.01114.99
7.0.70.1030.01114.81
7.0.60.0540.01414.73
7.0.50.1060.01114.80
7.0.40.0780.00815.07
7.0.30.0400.01214.96
7.0.20.0590.00914.77
7.0.10.0640.01314.96
7.0.00.0650.00914.92
5.6.380.0270.00719.64
5.6.370.0220.01119.80
5.6.360.0210.02119.76
5.6.350.0220.01419.66
5.6.340.0190.02819.40
5.6.330.0190.01619.20
5.6.320.0110.01119.40
5.6.310.0240.01319.48
5.6.300.0230.03322.75
5.6.290.0290.03322.70
5.6.280.0170.05124.13
5.6.270.0220.04922.93
5.6.260.0260.03822.86
5.6.250.0210.04322.99
5.6.240.0220.03822.98
5.6.230.0170.05022.89
5.6.220.0240.03423.02
5.6.210.0180.05923.91
5.6.200.0160.06023.99
5.6.190.0230.04723.93
5.6.180.0180.04523.91
5.6.170.0220.04723.91
5.6.160.0220.05524.03
5.6.150.0190.06023.93
5.6.140.0180.06323.98
5.6.130.0160.04924.00
5.6.120.0220.04324.00
5.6.110.0220.04923.90
5.6.100.0170.04823.95
5.6.90.0170.05424.09
5.6.80.0190.04723.56
5.6.70.0290.03122.70
5.6.60.0270.03322.61
5.6.50.0260.04322.61
5.6.40.0280.03622.52
5.6.30.0240.03422.44
5.6.20.0180.04922.52
5.6.10.0260.03522.47
5.6.00.0210.04822.54
5.5.380.0160.04419.68
5.5.370.0140.03219.63
5.5.360.0150.03919.62
5.5.350.0200.04120.63
5.5.340.0190.05120.94
5.5.330.0150.04620.82
5.5.320.0160.04820.88
5.5.310.0190.04220.89
5.5.300.0190.04020.82
5.5.290.0210.04620.90
5.5.280.0200.04820.84
5.5.270.0190.05020.94
5.5.260.0160.04520.92
5.5.250.0160.04620.67
5.5.240.0150.04920.54
5.5.230.0160.04119.58
5.5.220.0140.04619.50
5.5.210.0160.03219.58
5.5.200.0180.03319.48
5.5.190.0170.03219.35
5.5.180.0190.04519.52
5.5.170.0210.00416.19
5.5.160.0190.03219.39
5.5.150.0180.03519.48
5.5.140.0130.03419.38
5.5.130.0160.03019.41
5.5.120.0160.03619.52
5.5.110.0210.03619.50
5.5.100.0160.04219.48
5.5.90.0140.03719.34
5.5.80.0220.03119.45
5.5.70.0200.04019.44
5.5.60.0220.04019.40
5.5.50.0200.03219.28
5.5.40.0210.02619.29
5.5.30.0160.03719.36
5.5.20.0200.02719.36
5.5.10.0210.03719.41
5.5.00.0180.04519.38
5.4.450.0190.05421.51
5.4.440.0230.04521.62
5.4.430.0160.05121.65
5.4.420.0140.04821.62
5.4.410.0160.04821.42
5.4.400.0180.04121.31
5.4.390.0130.03921.35
5.4.380.0130.05021.36
5.4.370.0130.04221.34
5.4.360.0140.04821.36
5.4.350.0160.04221.35
5.4.340.0150.04821.30
5.4.330.0240.00916.46
5.4.320.0180.03821.40
5.4.310.0210.04321.34
5.4.300.0160.04221.30
5.4.290.0170.04821.40
5.4.280.0160.04721.31
5.4.270.0210.04221.23
5.4.260.0160.04121.41
5.4.250.0140.04621.37
5.4.240.0170.05021.36
5.4.230.0200.04121.29
5.4.220.0210.03721.36
5.4.210.0160.03921.33
5.4.200.0160.04121.39
5.4.190.0150.04921.30
5.4.180.0150.04321.25
5.4.170.0170.04721.28
5.4.160.0160.04121.26
5.4.150.0130.05821.31
5.4.140.0130.05419.67
5.4.130.0150.03619.64
5.4.120.0150.03919.61
5.4.110.0150.03719.64
5.4.100.0180.04019.59
5.4.90.0160.04719.68
5.4.80.0120.04019.10
5.4.70.0190.03819.05
5.4.60.0190.04418.92
5.4.50.0160.04419.08
5.4.40.0180.04619.13
5.4.30.0170.04219.10
5.4.20.0150.03418.98
5.4.10.0190.04219.19
5.4.00.0140.03918.69
5.3.290.0150.04718.25
5.3.280.0190.04218.00
5.3.270.0180.04217.94
5.3.260.0170.04217.98
5.3.250.0200.03317.89
5.3.240.0170.04118.03
5.3.230.0200.03917.97
5.3.220.0200.04321.16
5.3.210.0140.04621.12
5.3.200.0190.04521.18
5.3.190.0150.04521.16
5.3.180.0180.03721.00
5.3.170.0190.03621.02
5.3.160.0220.03820.97
5.3.150.0190.05221.07
5.3.140.0180.04120.92
5.3.130.0200.04021.06
5.3.120.0190.04220.87
5.3.110.0220.03520.95
5.3.100.0200.04020.64
5.3.90.0130.03618.78
5.3.80.0190.03918.70
5.3.70.0160.04018.68
5.3.60.0210.04718.82
5.3.50.0200.04118.81
5.3.40.0180.04018.74
5.3.30.0140.04518.40
5.3.20.0140.04418.58
5.3.10.0140.04018.16
5.3.00.0140.05118.13

preferences:
43.71 ms | 400 KiB | 5 Q