3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$b = preg_replace('/b.*b/', '', 'baab' . str_repeat('a', 100024)); $b = preg_match('/(.)*/', str_repeat('x', 6000)); var_dump(PCRE_VERSION, ini_get('pcre.backtrack_limit'),ini_get('pcre.recursion_limit'), strlen($b));

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)
8.3.60.0090.00918.68
8.3.50.0110.01221.21
8.3.40.0070.00719.04
8.3.30.0090.00618.77
8.3.20.0000.00819.08
8.3.10.0000.00820.91
8.3.00.0040.00423.64
8.2.180.0130.01016.97
8.2.170.0000.01422.96
8.2.160.0000.01420.52
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0080.00021.23
8.2.110.0040.00419.43
8.2.100.0080.00417.85
8.2.90.0050.00319.40
8.2.80.0080.00017.97
8.2.70.0060.00317.88
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0030.00722.39
8.2.30.0000.00819.95
8.2.20.0040.00417.89
8.2.10.0040.00417.82
8.2.00.0000.00817.82
8.1.280.0000.01525.92
8.1.270.0040.00423.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0120.00922.32
8.1.230.0080.00317.82
8.1.220.0000.00817.89
8.1.210.0000.00918.77
8.1.200.0030.00617.50
8.1.190.0090.00017.35
8.1.180.0000.00818.10
8.1.170.0000.00918.76
8.1.160.0050.00322.34
8.1.150.0040.00418.81
8.1.140.0000.00817.68
8.1.130.0000.00717.92
8.1.120.0030.00517.73
8.1.110.0050.00317.57
8.1.100.0040.00417.69
8.1.90.0000.00717.70
8.1.80.0040.00417.58
8.1.70.0050.00517.67
8.1.60.0070.00317.68
8.1.50.0040.00417.71
8.1.40.0060.00317.63
8.1.30.0040.00417.88
8.1.20.0000.00917.81
8.1.10.0050.00217.80
8.1.00.0070.00317.75
8.0.300.0040.00418.77
8.0.290.0050.00316.88
8.0.280.0020.00518.54
8.0.270.0030.00517.30
8.0.260.0030.00316.97
8.0.250.0050.00317.21
8.0.240.0090.00017.06
8.0.230.0040.00417.21
8.0.220.0030.00317.07
8.0.210.0060.00317.13
8.0.200.0030.00317.09
8.0.190.0080.00017.11
8.0.180.0040.00417.09
8.0.170.0040.00317.12
8.0.160.0040.00417.07
8.0.150.0000.00717.04
8.0.140.0040.00416.98
8.0.130.0030.00313.58
8.0.120.0040.00417.08
8.0.110.0040.00417.02
8.0.100.0000.00717.12
8.0.90.0040.00416.90
8.0.80.0030.01317.10
8.0.70.0040.00417.11
8.0.60.0050.00316.95
8.0.50.0040.00416.98
8.0.30.0130.00917.48
8.0.20.0100.00817.40
8.0.10.0050.00217.04
8.0.00.0070.01016.96
7.4.330.0050.00014.89
7.4.320.0040.00416.78
7.4.300.0000.00716.86
7.4.290.0040.00516.88
7.4.280.0000.00816.91
7.4.270.0070.00016.91
7.4.260.0000.00513.50
7.4.250.0000.00716.76
7.4.240.0070.00016.68
7.4.230.0000.00716.93
7.4.220.0090.00916.88
7.4.210.0040.01116.82
7.4.200.0040.00416.77
7.4.190.0070.00016.98
7.4.160.0140.00316.80
7.4.150.0080.00817.40
7.4.140.0060.01217.86
7.4.130.0200.01616.75
7.4.120.0070.01316.98
7.4.110.0130.00917.02
7.4.100.0110.00716.68
7.4.90.0130.00616.77
7.4.80.0130.00319.37
7.4.70.0170.00016.84
7.4.60.0100.00616.84
7.4.50.0040.00416.80
7.4.40.0040.01222.27
7.4.30.0030.01216.79
7.4.00.0090.00815.13
7.3.330.0000.00513.41
7.3.320.0030.00513.27
7.3.310.0070.00016.53
7.3.300.0030.00316.47
7.3.290.0110.00716.55
7.3.280.0080.00916.48
7.3.270.0110.00617.40
7.3.260.0070.01118.24
7.3.250.0100.01016.65
7.3.240.0130.00316.51
7.3.230.0090.01416.54
7.3.210.0090.00916.55
7.3.200.0070.01019.39
7.3.190.0100.00716.72
7.3.180.0090.00916.52
7.3.170.0030.01216.59
7.3.160.0120.00616.49
7.3.120.0050.01114.83
7.3.110.0080.00915.17
7.3.100.0060.00615.26
7.3.90.0050.00815.09
7.3.80.0080.00315.01
7.3.70.0040.00614.93
7.3.60.0090.00715.15
7.3.50.0090.00314.99
7.3.40.0100.00714.99
7.3.30.0080.00314.94
7.3.20.0080.00717.02
7.3.10.0090.00316.87
7.3.00.0090.00616.88
7.2.330.0120.00616.75
7.2.320.0130.01216.81
7.2.310.0080.01116.83
7.2.300.0110.00616.75
7.2.290.0100.00616.86
7.2.250.0080.01115.11
7.2.240.0090.00915.13
7.2.230.0040.01315.15
7.2.220.0010.01115.18
7.2.210.0070.00515.07
7.2.200.0050.00715.14
7.2.190.0030.01315.07
7.2.180.0050.01215.12
7.2.170.0070.00815.00
7.2.130.0030.00917.03
7.2.120.0050.00716.88
7.2.110.0060.00616.97
7.2.100.0050.00917.00
7.2.90.0030.00917.07
7.2.80.0080.00716.92
7.2.70.0070.00717.04
7.2.60.0070.00617.14
7.2.50.0060.00517.02
7.2.40.0060.00517.06
7.2.30.0080.00517.00
7.2.20.0040.00916.95
7.2.10.0070.00716.88
7.2.00.0060.00717.81
7.1.330.0100.00515.94
7.1.320.0070.00215.99
7.1.310.0070.00515.82
7.1.300.0080.00616.03
7.1.290.0060.01015.84
7.1.280.0050.01115.83
7.1.270.0070.00515.74
7.1.260.0020.01215.85
7.1.250.0020.01215.88
7.1.240.0030.00715.77
7.1.230.0060.00315.91
7.1.220.0060.00316.05
7.1.210.0000.01315.99
7.1.200.0040.00615.93
7.1.190.0000.01015.80
7.1.180.0040.00415.89
7.1.170.0040.00415.93
7.1.160.0070.00316.07
7.1.150.0090.00315.68
7.1.140.0030.01215.72
7.1.130.0110.00315.68
7.1.120.0000.00716.03
7.1.110.0000.00815.85
7.1.100.0030.00817.19
7.1.90.0040.00716.11
7.1.80.0040.01116.08
7.1.70.0050.00516.53
7.1.60.0050.01317.67
7.1.50.0140.00916.47
7.1.40.0000.00915.67
7.1.30.0070.00415.77
7.1.20.0110.00016.14
7.1.10.0070.00415.99
7.1.00.0020.04019.20
7.0.330.0090.00315.66
7.0.320.0030.00915.35
7.0.310.0040.00715.60
7.0.300.0000.00715.44
7.0.290.0070.00315.45
7.0.280.0040.00815.30
7.0.270.0030.00615.63
7.0.260.0070.00315.27
7.0.250.0070.00315.66
7.0.240.0030.00615.56
7.0.230.0030.01115.61
7.0.220.0040.00715.35
7.0.210.0060.00615.37
7.0.200.0060.00416.18
7.0.190.0000.01015.71
7.0.180.0060.00315.57
7.0.170.0030.00715.78
7.0.160.0000.01015.66
7.0.150.0070.00415.42
7.0.140.0050.03818.83
7.0.130.0040.00715.36
7.0.120.0060.00715.60
7.0.110.0090.00615.71
7.0.100.0060.00915.45
7.0.90.0000.01115.73
7.0.80.0130.00015.30
7.0.70.0060.04618.70
7.0.60.0070.02818.77
7.0.50.0040.04619.02
7.0.40.0080.04216.91
7.0.30.0060.04816.85
7.0.20.0020.04216.78
7.0.10.0030.03316.91
7.0.00.0050.02516.81
5.6.380.0030.01220.38
5.6.370.0000.01320.57
5.6.360.0070.00720.15
5.6.350.0090.00920.51
5.6.340.0000.01520.23
5.6.330.0070.00720.42
5.6.320.0100.00320.56
5.6.310.0100.00720.53
5.6.300.0060.00620.04
5.6.290.0090.00919.88
5.6.280.0070.04023.55
5.6.270.0130.00320.14
5.6.260.0080.00820.20
5.6.250.0040.01120.00
5.6.240.0000.01120.54
5.6.230.0090.00620.29
5.6.220.0070.04723.54
5.6.210.0050.04623.33
5.6.200.0070.04723.56
5.6.190.0060.03323.68
5.6.180.0050.03023.54
5.6.170.0080.02323.39
5.6.160.0080.03823.48
5.6.150.0030.04323.64
5.6.140.0070.04723.53
5.6.130.0100.03223.56
5.6.120.0070.04723.48
5.6.110.0060.04823.58
5.6.100.0050.04423.66
5.6.90.0070.04723.55
5.6.80.0050.03323.10
5.6.70.0050.03223.25
5.6.60.0070.04523.19
5.6.50.0080.04223.14
5.6.40.0140.04023.19
5.6.30.0080.04723.16
5.6.20.0050.04023.31
5.6.10.0030.04823.29
5.6.00.0050.03823.11
5.5.380.0080.00417.05
5.5.370.0030.00717.17
5.5.360.0060.04521.67
5.5.350.0070.04521.69
5.5.340.0110.03621.77
5.5.330.0090.04621.82
5.5.320.0090.02521.79
5.5.310.0070.05021.71
5.5.300.0080.04121.93
5.5.290.0130.03021.73
5.5.280.0100.04021.75
5.5.270.0120.04021.76
5.5.260.0110.02521.85
5.5.250.0100.04321.56
5.5.240.0060.02921.34
5.5.230.0040.04221.43
5.5.220.0050.02721.55
5.5.210.0060.02921.53
5.5.200.0030.03821.44
5.5.190.0050.05121.40
5.5.180.0050.04621.43
5.5.170.0060.00916.75
5.5.160.0030.03721.40
5.5.150.0100.03721.26
5.5.140.0120.03221.54
5.5.130.0070.04321.46
5.5.120.0120.03521.28
5.5.110.0130.03821.43
5.5.100.0080.02821.43
5.5.90.0070.04021.39
5.5.80.0050.04821.49
5.5.70.0070.03221.50
5.5.60.0070.04221.39
5.5.50.0050.04221.52
5.5.40.0050.04521.41
5.5.30.0050.03921.40
5.5.20.0100.04021.48
5.5.10.0110.03621.50
5.5.00.0050.04521.39
5.4.450.0080.03320.99
5.4.440.0090.03520.90
5.4.430.0100.04220.95
5.4.420.0090.02620.98
5.4.410.0020.03720.79
5.4.400.0040.02420.72
5.4.390.0070.03020.68
5.4.380.0030.02820.81
5.4.370.0050.04420.57
5.4.360.0080.04520.79
5.4.350.0060.04120.48
5.4.340.0100.03020.68
5.4.330.0000.01316.90
5.4.320.0080.03020.71
5.4.310.0050.04520.70
5.4.300.0090.03420.76
5.4.290.0070.04220.72
5.4.280.0080.03720.72
5.4.270.0050.04420.49
5.4.260.0030.03920.76
5.4.250.0080.04020.45
5.4.240.0050.04420.72
5.4.230.0080.04020.70
5.4.220.0050.04220.74
5.4.210.0050.03720.68
5.4.200.0070.03820.55
5.4.190.0090.04020.76
5.4.180.0060.04020.88
5.4.170.0070.03520.88
5.4.160.0060.02820.53
5.4.150.0050.02220.75
5.4.140.0040.04419.38
5.4.130.0070.03519.24
5.4.120.0020.04319.36
5.4.110.0050.04119.34
5.4.100.0020.03219.27
5.4.90.0020.02619.38
5.4.80.0100.03018.65
5.4.70.0080.02718.62
5.4.60.0070.04118.68
5.4.50.0070.04218.51
5.4.40.0100.03918.52
5.4.30.0050.04118.59
5.4.20.0120.03618.63
5.4.10.0070.03718.66
5.4.00.0050.03218.34
5.3.290.0030.04718.10
5.3.280.0030.04517.81
5.3.270.0030.04217.83
5.3.260.0020.04117.82
5.3.250.0000.03717.88
5.3.240.0050.04017.76
5.3.230.0050.03717.75
5.3.220.0080.03820.10
5.3.210.0110.04020.16
5.3.200.0070.04020.18
5.3.190.0080.03520.24
5.3.180.0030.04520.28
5.3.170.0040.04120.31
5.3.160.0050.03720.23
5.3.150.0090.04220.27
5.3.140.0120.03520.30
5.3.130.0080.03520.15
5.3.120.0060.03820.13
5.3.110.0070.02920.13
5.3.100.0090.04519.94
5.3.90.0070.03718.82
5.3.80.0060.03818.63
5.3.70.0070.04018.61
5.3.60.0050.04418.88
5.3.50.0030.04418.65
5.3.40.0030.04618.77
5.3.30.0050.03218.52
5.3.20.0050.03518.54
5.3.10.0070.03218.01
5.3.00.0090.04018.15
5.2.170.0080.03316.73
5.2.160.0070.03516.72
5.2.150.0020.03116.58
5.2.140.0060.03316.72
5.2.130.0110.02816.41
5.2.120.0060.03316.45
5.2.110.0100.02616.56
5.2.100.0050.02516.53
5.2.90.0050.03716.22
5.2.80.0050.02916.12
5.2.70.0090.01716.09
5.2.60.0080.03516.05
5.2.50.0050.03316.04
5.2.40.0090.02716.26
5.2.30.0060.02315.66
5.2.20.0030.02515.66
5.2.10.0020.03015.47
5.2.00.0110.01715.59
5.1.60.0080.01314.89
5.1.50.0070.02814.81
5.1.40.0070.02814.72
5.1.30.0080.03015.23
5.1.20.0050.03115.20
5.1.10.0020.03415.07
5.1.00.0070.02314.83
5.0.50.0060.02213.67
5.0.40.0100.02012.86
5.0.30.0100.03012.64
5.0.20.0050.02312.52
5.0.10.0030.02212.70
5.0.00.0050.03712.67
4.4.90.0070.01311.66
4.4.80.0000.01911.62
4.4.70.0070.02211.57
4.4.60.0020.01811.56
4.4.50.0050.01711.50
4.4.40.0030.02211.55
4.4.30.0080.01811.62
4.4.20.0030.02511.62
4.4.10.0030.02311.57
4.4.00.0050.03011.51
4.3.110.0070.01611.12
4.3.100.0030.02111.10
4.3.90.0060.01311.15
4.3.80.0030.01611.12
4.3.70.0060.01211.10
4.3.60.0040.01111.12
4.3.50.0020.01211.10
4.3.40.0060.02211.21
4.3.30.0050.02011.10
4.3.20.0060.02011.10
4.3.10.0060.02011.10
4.3.00.0030.02011.10

preferences:
50.18 ms | 401 KiB | 5 Q