3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('pcre.backtrack_limit', 100000000); ini_set('pcre.recursion_limit', 100000000); preg_match('~(a)*~', str_repeat('a', 20000), $match); var_dump($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)
8.3.60.0060.01218.68
8.3.50.0120.00722.07
8.3.40.0060.01218.96
8.3.30.0070.00719.09
8.3.20.0000.00820.51
8.3.10.0050.00323.95
8.3.00.0040.00422.70
8.2.180.0110.00716.75
8.2.170.0100.01022.96
8.2.160.0030.01022.31
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0000.00726.16
8.2.120.0050.00319.61
8.2.110.0090.00022.44
8.2.100.0030.00918.03
8.2.90.0030.00619.34
8.2.80.0040.00417.97
8.2.70.0050.00517.88
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0040.00418.34
8.2.30.0080.00418.02
8.2.20.0040.00417.87
8.2.10.0040.00417.96
8.2.00.0000.00717.88
8.1.280.0150.00325.92
8.1.270.0060.00324.04
8.1.260.0060.00326.35
8.1.250.0090.00028.09
8.1.240.0060.00324.09
8.1.230.0040.00719.41
8.1.220.0040.00417.78
8.1.210.0040.00418.77
8.1.200.0000.01017.25
8.1.190.0030.00617.53
8.1.180.0000.00918.10
8.1.170.0000.00818.82
8.1.160.0040.00422.04
8.1.150.0030.00618.86
8.1.140.0080.00017.63
8.1.130.0030.00317.91
8.1.120.0000.00717.68
8.1.110.0040.00417.67
8.1.100.0000.00717.61
8.1.90.0030.00517.58
8.1.80.0040.00417.64
8.1.70.0030.00317.65
8.1.60.0040.00417.67
8.1.50.0000.00917.72
8.1.40.0000.00817.76
8.1.30.0030.01017.79
8.1.20.0000.00917.85
8.1.10.0000.00717.77
8.1.00.0050.00317.73
8.0.300.0020.00518.77
8.0.290.0060.00317.30
8.0.280.0040.00418.64
8.0.270.0000.00717.27
8.0.260.0060.00017.02
8.0.250.0040.00417.19
8.0.240.0000.00717.14
8.0.230.0050.00217.18
8.0.220.0000.00717.02
8.0.210.0000.00717.00
8.0.200.0040.00417.14
8.0.190.0040.00417.13
8.0.180.0040.00417.18
8.0.170.0030.00517.03
8.0.160.0000.00717.14
8.0.150.0040.00416.95
8.0.140.0040.00417.08
8.0.130.0000.00613.49
8.0.120.0040.00416.93
8.0.110.0000.00716.92
8.0.100.0050.00316.97
8.0.90.0070.00017.06
8.0.80.0070.01017.07
8.0.70.0040.00417.11
8.0.60.0000.00717.00
8.0.50.0050.00216.92
8.0.30.0110.00917.15
8.0.20.0120.00617.40
8.0.10.0070.00017.11
8.0.00.0080.01317.11
7.4.330.0050.00015.25
7.4.320.0060.00016.68
7.4.300.0000.00716.80
7.4.290.0070.00016.82
7.4.280.0070.00016.77
7.4.270.0040.00716.64
7.4.260.0040.00416.89
7.4.250.0040.00416.77
7.4.240.0040.00416.77
7.4.230.0000.00716.79
7.4.220.0060.01216.82
7.4.210.0060.00916.91
7.4.200.0070.00016.91
7.4.190.0000.00816.82
7.4.160.0170.00016.55
7.4.150.0130.00317.40
7.4.140.0060.01317.86
7.4.130.0070.01216.79
7.4.120.0070.01016.80
7.4.110.0040.01416.58
7.4.100.0060.01816.51
7.4.90.0140.00316.50
7.4.80.0120.01216.61
7.4.70.0070.01016.60
7.4.60.0060.01216.73
7.4.50.0060.00316.86
7.4.40.0140.00322.77
7.4.30.0180.00316.61
7.4.00.0040.01015.01
7.3.330.0000.00613.36
7.3.320.0000.00513.27
7.3.310.0000.00716.56
7.3.300.0030.00316.53
7.3.290.0030.01116.52
7.3.280.0050.01216.47
7.3.270.0130.00717.40
7.3.260.0170.02716.60
7.3.250.0060.01116.51
7.3.240.0100.00616.78
7.3.230.0110.00716.71
7.3.210.0070.01016.44
7.3.200.0030.01519.39
7.3.190.0200.00316.53
7.3.180.0120.00616.71
7.3.170.0080.00816.73
7.3.160.0060.01116.42
7.3.120.0050.01014.87
7.3.110.0060.01115.18
7.3.100.0060.00914.73
7.3.90.0070.01015.17
7.3.80.0060.01015.22
7.3.70.0060.00314.79
7.3.60.0000.00814.87
7.3.50.0040.00714.77
7.3.40.0110.00415.16
7.3.30.0070.00715.13
7.3.20.0070.01016.82
7.3.10.0070.00716.91
7.3.00.0020.01016.78
7.2.330.0060.01616.77
7.2.320.0070.01116.66
7.2.310.0120.00616.61
7.2.300.0060.00916.71
7.2.290.0110.00616.56
7.2.250.0000.01615.25
7.2.240.0030.01614.82
7.2.230.0100.00714.94
7.2.220.0090.00615.15
7.2.210.0030.00615.06
7.2.200.0090.00914.89
7.2.190.0030.01215.04
7.2.180.0100.00314.96
7.2.170.0080.00414.89
7.2.130.0040.01116.27
7.2.120.0060.00616.67
7.2.110.0100.00616.75
7.2.100.0070.00716.67
7.2.90.0060.00316.52
7.2.80.0040.01116.59
7.2.70.0030.01016.58
7.2.60.0030.00916.74
7.2.50.0030.01016.97
7.2.40.0090.00616.67
7.2.30.0060.00816.48
7.2.20.0130.00316.52
7.2.10.0060.00617.00
7.2.00.0030.01018.09
7.1.330.0000.01316.11
7.1.320.0040.00816.10
7.1.310.0090.00316.09
7.1.300.0000.01016.00
7.1.290.0030.00915.75
7.1.280.0040.00815.57
7.1.270.0040.00715.72
7.1.260.0040.01115.75
7.1.250.0070.00715.82
7.1.200.0040.00415.84
7.1.100.0040.00918.41
7.1.70.0040.00717.42
7.1.60.0000.01419.24
7.1.50.0070.00316.92
7.1.00.0030.07722.52
7.0.200.0000.00716.89
7.0.140.0030.07322.12
7.0.90.0070.05020.08
7.0.80.0130.07720.08
7.0.70.0030.07720.21
7.0.60.0070.05719.98
7.0.50.0100.08020.32
7.0.40.0070.08019.99
7.0.30.0100.08019.96
7.0.20.0100.08720.12
7.0.10.0130.07020.03
7.0.00.0100.05320.14
5.6.230.0130.07728.61
5.6.220.0100.06328.68
5.6.210.0200.07328.60
5.6.200.0100.04729.15
5.6.190.0070.09029.01
5.6.180.0070.08729.06
5.6.170.0070.05029.05
5.6.160.0030.04728.91
5.6.150.0270.05029.05
5.6.140.0070.05029.05
5.6.130.0100.08329.01
5.6.120.0100.07729.14
5.6.110.0200.07328.93
5.6.100.0130.08029.07
5.6.90.0030.07329.07
5.6.80.0100.04728.47
5.6.70.0070.04328.46
5.6.60.0030.04328.51
5.6.50.0130.07328.37
5.6.40.0130.07328.29
5.6.30.0130.05728.38
5.6.20.0170.07328.42
5.6.10.0030.05328.41
5.6.00.0100.04328.38
5.5.370.0130.07328.32
5.5.360.0130.08028.39
5.5.350.0270.06728.31
5.5.340.0070.05028.77
5.5.330.0100.08028.90
5.5.320.0070.08028.89
5.5.310.0130.07728.73
5.5.300.0130.08028.89
5.5.290.0070.09028.77
5.5.280.0130.07728.73
5.5.270.0100.08328.75
5.5.260.0130.08028.83
5.5.250.0100.08028.55
5.5.240.0070.05028.26
5.5.230.0100.08028.23
5.5.220.0100.07328.08
5.5.210.0070.08028.18
5.5.200.0230.06328.22
5.5.190.0170.07028.09
5.5.180.0100.07027.96
5.5.160.0170.06028.25
5.5.150.0100.05327.96
5.5.140.0100.07728.11
5.5.130.0170.07028.05
5.5.120.0100.08028.20
5.5.110.0170.06728.11
5.5.100.0130.07728.14
5.5.90.0100.03728.13
5.5.80.0100.06328.02
5.5.70.0100.07727.91
5.5.60.0170.06328.13
5.5.50.0070.04328.11
5.5.40.0100.08327.93
5.5.30.0130.07728.08
5.5.20.0130.05027.97
5.5.10.0030.08327.97
5.5.00.0070.07728.03
5.4.450.0100.06027.20
5.4.440.0170.04027.38
5.4.430.0100.07327.27
5.4.420.0170.04027.18
5.4.410.0130.06027.05
5.4.400.0030.04726.96
5.4.390.0130.07327.00
5.4.380.0230.03026.96
5.4.370.0130.07727.06
5.4.360.0100.08026.95
5.4.350.0100.08726.90
5.4.340.0200.07726.86
5.4.320.0200.07326.95
5.4.310.0070.08026.93
5.4.300.0130.03726.70
5.4.290.0130.07026.95
5.4.280.0100.07726.84
5.4.270.0170.04027.07
5.4.260.0130.07326.87
5.4.250.0130.04326.85
5.4.240.0100.06026.94
5.4.230.0070.04027.00
5.4.220.0170.05327.00
5.4.210.0100.07026.85
5.4.200.0100.05326.80
5.4.190.0200.06726.88
5.4.180.0130.06326.90
5.4.170.0170.06026.89
5.4.160.0100.06326.93
5.4.150.0070.07326.92
5.4.140.0130.04324.32
5.4.130.0070.07724.32
5.4.120.0170.04724.25
5.4.110.0130.07024.16
5.4.100.0070.08024.22
5.4.90.0100.05724.16
5.4.80.0070.05724.21
5.4.70.0030.05024.26
5.4.60.0100.07024.37
5.4.50.0100.07024.37
5.4.40.0030.07724.14
5.4.30.0030.05324.25
5.4.20.0130.07324.37
5.4.10.0130.06324.16
5.4.00.0030.06023.66
5.3.290.0130.07322.49
5.3.280.0130.07722.32
5.3.270.0100.04722.35
5.3.260.0030.07022.43
5.3.250.0200.06722.32
5.3.240.0030.07722.35
5.3.230.0070.05722.42
5.3.220.0070.07322.29
5.3.210.0170.04322.23
5.3.200.0130.07322.34
5.3.190.0070.07722.31
5.3.180.0070.06722.18
5.3.170.0070.08022.21
5.3.160.0070.05322.39
5.3.150.0130.06722.31
5.3.140.0070.07722.35
5.3.130.0170.05722.31
5.3.120.0070.07022.36
5.3.110.0130.07022.32
5.3.100.0130.06721.82
5.3.90.0100.05321.79
5.3.80.0030.06721.64
5.3.70.0100.04321.73
5.3.60.0030.04021.71
5.3.50.0100.03721.63
5.3.40.0170.05721.71
5.3.30.0070.05021.57
5.3.20.0100.04021.41
5.3.10.0170.06721.40
5.3.00.0030.05721.39
5.2.170.0100.06318.90
5.2.160.0100.04318.93
5.2.150.0200.05318.88
5.2.140.0070.03318.67
5.2.130.0070.05318.83
5.2.120.0070.06718.75
5.2.110.0100.05718.75
5.2.100.0130.03718.68
5.2.90.0070.03018.91
5.2.80.0070.06018.82
5.2.70.0070.06718.70
5.2.60.0030.04018.65
5.2.50.0130.05318.62
5.2.40.0100.05718.74
5.2.30.0100.04718.57
5.2.20.0170.05318.82
5.2.10.0100.05718.77
5.2.00.0130.05718.65
5.1.60.0000.05017.78
5.1.50.0100.04717.64
5.1.40.0030.05717.62
5.1.30.0100.03017.99
5.1.20.0100.04018.23
5.1.10.0070.05717.92
5.1.00.0100.04017.94
5.0.50.0170.03716.43
5.0.40.0070.03016.09
5.0.30.0030.05316.07
5.0.20.0100.03316.07
5.0.10.0100.04016.04
5.0.00.0070.03715.84
4.4.90.0070.02313.82
4.4.80.0000.02013.82
4.4.70.0030.04013.82
4.4.60.0030.03013.82
4.4.50.0070.03713.82
4.4.40.0030.05713.82
4.4.30.0070.01713.82
4.4.20.0030.02313.82
4.4.10.0100.03313.82
4.4.00.0130.04313.82
4.3.110.0100.03313.82
4.3.100.0030.03713.82
4.3.90.0100.03313.82
4.3.80.0070.03713.82
4.3.70.0030.03713.82
4.3.60.0030.03013.82
4.3.50.0070.01713.82
4.3.40.0070.05013.82
4.3.30.0030.03713.82
4.3.20.0030.03313.82
4.3.10.0070.02313.82
4.3.00.0100.03013.82

preferences:
47.99 ms | 400 KiB | 5 Q