3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$b = preg_replace('/b.*b/', '', 'baab' . str_repeat('a', 100024)); $b = preg_match('/(.)*/', str_repeat('x', 6000)); var_dump(ini_get('pcre.backtrack_limit'),ini_get('pcre.recursion_limit'), strlen($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)
8.3.40.0000.01518.96
8.3.30.0040.01118.96
8.3.20.0000.00918.96
8.3.10.0080.00020.93
8.3.00.0070.00022.07
8.2.170.0000.01522.96
8.2.160.0090.00620.47
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0040.00421.10
8.2.110.0030.00621.29
8.2.100.0140.00317.78
8.2.90.0000.00819.17
8.2.80.0040.00417.97
8.2.70.0100.00017.88
8.2.60.0080.00017.93
8.2.50.0000.00818.10
8.2.40.0030.00618.28
8.2.30.0050.00321.27
8.2.20.0000.00717.88
8.2.10.0000.00717.96
8.2.00.0000.00917.99
8.1.270.0040.00423.99
8.1.260.0150.00426.35
8.1.250.0070.00028.09
8.1.240.0070.00419.46
8.1.230.0080.00317.71
8.1.220.0040.00417.76
8.1.210.0090.00018.77
8.1.200.0040.00417.37
8.1.190.0050.00317.36
8.1.180.0080.00018.10
8.1.170.0040.00418.75
8.1.160.0000.00719.00
8.1.150.0040.00418.88
8.1.140.0000.00717.71
8.1.130.0070.00018.02
8.1.120.0040.00417.73
8.1.110.0050.00317.63
8.1.100.0000.00717.56
8.1.90.0070.00017.69
8.1.80.0030.00517.73
8.1.70.0040.00417.65
8.1.60.0030.00617.69
8.1.50.0000.00817.72
8.1.40.0000.00717.73
8.1.30.0040.00417.85
8.1.20.0000.00817.84
8.1.10.0080.00017.79
8.1.00.0030.00517.74
8.0.300.0080.00018.77
8.0.290.0000.00717.00
8.0.280.0030.00318.53
8.0.270.0040.00417.35
8.0.260.0080.00016.94
8.0.250.0000.00717.20
8.0.240.0060.00317.21
8.0.230.0040.00417.13
8.0.220.0030.00317.06
8.0.210.0030.00317.08
8.0.200.0030.00317.09
8.0.190.0070.00017.07
8.0.180.0000.00817.03
8.0.170.0000.00817.04
8.0.160.0020.00517.23
8.0.150.0000.00716.94
8.0.140.0040.00417.14
8.0.130.0030.00313.61
8.0.120.0070.00017.00
8.0.110.0040.00416.97
8.0.100.0000.00717.03
8.0.90.0000.00717.10
8.0.80.0130.00317.11
8.0.70.0030.00516.94
8.0.60.0030.00517.11
8.0.50.0040.00416.91
8.0.30.0090.01017.17
8.0.20.0120.00717.41
8.0.10.0030.00517.27
8.0.00.0130.00416.88
7.4.330.0000.00514.88
7.4.320.0030.00316.80
7.4.300.0030.00316.87
7.4.290.0070.00016.86
7.4.280.0070.00016.89
7.4.270.0030.00316.89
7.4.260.0030.00313.62
7.4.250.0000.00716.71
7.4.240.0030.00316.80
7.4.230.0050.00217.00
7.4.220.0100.01016.92
7.4.210.0060.01016.92
7.4.200.0000.00716.69
7.4.190.0070.00216.95
7.4.160.0130.01016.82
7.4.150.0110.00717.40
7.4.140.0130.00817.86
7.4.130.0070.01316.61
7.4.120.0120.00816.83
7.4.110.0160.00016.82
7.4.100.0100.01016.73
7.4.90.0070.01416.76
7.4.80.0100.00619.39
7.4.70.0060.00916.78
7.4.60.0120.00616.82
7.4.50.0000.00816.78
7.4.40.0060.01022.77
7.4.30.0130.01016.80
7.4.00.0100.00815.26
7.3.330.0050.00013.33
7.3.320.0030.00313.21
7.3.310.0000.00716.53
7.3.300.0040.00216.48
7.3.290.0070.00716.48
7.3.280.0120.00616.58
7.3.270.0090.00917.40
7.3.260.0090.01018.24
7.3.250.0080.00916.81
7.3.240.0070.01016.55
7.3.230.0110.00516.52
7.3.210.0120.00616.75
7.3.200.0060.01219.39
7.3.190.0100.00716.53
7.3.180.0100.01016.46
7.3.170.0030.01316.72
7.3.160.0070.01016.57
7.3.120.0090.00515.04
7.3.110.0030.01614.85
7.3.100.0060.00915.03
7.3.90.0120.00315.04
7.3.80.0060.00314.98
7.3.70.0060.00915.17
7.3.60.0040.00814.88
7.3.50.0030.00714.93
7.3.40.0040.01214.80
7.3.30.0060.00314.89
7.3.20.0000.01216.60
7.3.10.0080.00417.15
7.3.00.0060.00617.04
7.2.330.0060.01516.69
7.2.320.0100.01016.67
7.2.310.0110.01416.76
7.2.300.0110.00816.68
7.2.290.0060.01216.65
7.2.250.0040.01114.98
7.2.240.0090.01214.97
7.2.230.0030.01315.34
7.2.220.0060.00615.27
7.2.210.0000.01315.11
7.2.200.0070.00715.09
7.2.190.0070.00715.38
7.2.180.0120.00315.09
7.2.170.0060.00915.18
7.2.60.0000.01417.09
7.2.00.0070.00719.64
7.1.330.0030.00915.69
7.1.320.0060.00615.88
7.1.310.0040.00815.90
7.1.300.0030.00615.82
7.1.290.0000.01115.91
7.1.280.0090.00615.89
7.1.270.0040.01115.95
7.1.260.0000.01416.04
7.1.200.0060.00315.82
7.1.100.0070.00718.26
7.1.70.0000.00717.39
7.1.60.0110.01419.40
7.1.50.0070.01716.82
7.1.00.0030.03322.51
7.0.200.0030.00516.68
7.0.140.0030.07721.96
7.0.70.0100.05721.84
7.0.60.0070.08021.80
7.0.50.0070.06021.97
7.0.40.0030.05320.15
7.0.30.0070.07320.10
7.0.20.0070.08720.09
7.0.10.0000.08020.14
7.0.00.0170.07719.95
5.6.280.0030.07726.88
5.6.220.0030.06026.53
5.6.210.0100.08326.28
5.6.200.0000.09026.95
5.6.190.0130.06726.86
5.6.180.0070.06726.86
5.6.170.0070.08026.96
5.6.160.0070.08026.90
5.6.150.0100.08026.96
5.6.140.0100.04326.78
5.6.130.0070.09326.91
5.6.120.0070.09026.84
5.6.110.0270.06726.72
5.6.100.0100.07326.85
5.6.90.0300.03726.94
5.6.80.0100.05726.21
5.6.70.0100.08326.34
5.6.60.0030.07726.27
5.6.50.0030.07726.32
5.6.40.0070.08026.23
5.6.30.0000.06026.32
5.6.20.0100.05726.19
5.6.10.0000.06026.35
5.6.00.0100.05026.20
5.5.360.0030.04726.41
5.5.350.0070.07026.15
5.5.340.0130.07026.63
5.5.330.0070.08726.69
5.5.320.0100.08026.62
5.5.310.0100.07726.46
5.5.300.0030.07726.74
5.5.290.0100.06726.70
5.5.280.0070.06026.70
5.5.270.0130.05026.59
5.5.260.0130.08026.74
5.5.250.0000.07026.49
5.5.240.0030.06026.01
5.5.230.0100.07326.11
5.5.220.0130.07326.09
5.5.210.0100.07026.02
5.5.200.0100.05325.95
5.5.190.0100.07725.89
5.5.180.0070.07025.93
5.5.160.0030.07725.95
5.5.150.0000.07726.05
5.5.140.0070.06025.90
5.5.130.0070.07725.97
5.5.120.0170.07025.81
5.5.110.0070.06326.05
5.5.100.0030.05725.90
5.5.90.0100.08025.98
5.5.80.0100.07325.83
5.5.70.0000.09025.96
5.5.60.0100.07325.96
5.5.50.0100.07325.89
5.5.40.0100.07025.85
5.5.30.0100.06325.81
5.5.20.0000.07025.78
5.5.10.0000.06025.88
5.5.00.0000.07725.82
5.4.450.0070.07724.84
5.4.440.0130.04024.80
5.4.430.0130.05024.84
5.4.420.0170.04724.98
5.4.410.0100.07324.75
5.4.400.0030.07724.64
5.4.390.0130.06724.56
5.4.380.0070.08024.43
5.4.370.0100.07324.56
5.4.360.0070.07724.43
5.4.350.0100.07024.61
5.4.340.0030.07024.53
5.4.320.0130.07724.63
5.4.310.0070.07024.63
5.4.300.0170.06724.54
5.4.290.0070.07324.51
5.4.280.0030.06324.46
5.4.270.0030.04324.43
5.4.260.0070.08324.38
5.4.250.0070.07724.42
5.4.240.0030.04324.60
5.4.230.0070.07324.57
5.4.220.0070.08024.51
5.4.210.0100.07324.42
5.4.200.0100.07324.59
5.4.190.0170.06324.71
5.4.180.0030.05024.29
5.4.170.0030.08024.59
5.4.160.0070.07724.55
5.4.150.0030.06724.27
5.4.140.0070.07721.83
5.4.130.0030.07721.54
5.4.120.0030.08021.81
5.4.110.0070.07021.82
5.4.100.0100.07321.70
5.4.90.0070.06021.79
5.4.80.0100.06021.14
5.4.70.0100.05021.16
5.4.60.0030.08021.12
5.4.50.0000.06021.32
5.4.40.0070.07721.30
5.4.30.0070.07321.13
5.4.20.0070.05321.32
5.4.10.0070.07721.32
5.4.00.0070.04720.77
5.3.290.0070.07720.01
5.3.280.0100.04319.71
5.3.270.0100.07719.91
5.3.260.0100.08019.91
5.3.250.0100.06319.86
5.3.240.0030.08019.74
5.3.230.0130.07719.73
5.3.220.0070.07022.37
5.3.210.0070.06722.36
5.3.200.0030.04722.22
5.3.190.0100.07022.27
5.3.180.0130.06322.21
5.3.170.0070.06322.34
5.3.160.0100.06022.32
5.3.150.0100.04722.32
5.3.140.0070.05722.30
5.3.130.0170.06022.18
5.3.120.0130.07322.15
5.3.110.0070.04722.14
5.3.100.0030.04021.68
5.3.90.0030.04020.47
5.3.80.0100.07020.37
5.3.70.0100.07020.46
5.3.60.0070.07020.56
5.3.50.0030.06020.67
5.3.40.0070.08020.71
5.3.30.0070.06720.16
5.3.20.0100.07320.23
5.3.10.0070.05719.86
5.3.00.0070.07719.85
5.2.170.0030.06317.49
5.2.160.0070.06317.57
5.2.150.0030.06017.59
5.2.140.0070.04017.39
5.2.130.0030.06317.31
5.2.120.0030.06017.11
5.2.110.0030.06717.28
5.2.100.0130.05017.18
5.2.90.0070.06017.16
5.2.80.0100.05717.18
5.2.70.0070.06717.12
5.2.60.0100.06016.91
5.2.50.0070.05016.92
5.2.40.0030.06717.03
5.2.30.0070.06316.49
5.2.20.0100.05716.63
5.2.10.0070.06316.34
5.2.00.0070.05716.52
5.1.60.0070.04015.73
5.1.50.0070.05315.78
5.1.40.0070.05315.73
5.1.30.0030.05016.02
5.1.20.0100.04016.03
5.1.10.0070.05315.84
5.1.00.0070.05015.77
5.0.50.0070.05015.73
5.0.40.0070.04315.73
5.0.30.0070.06315.73
5.0.20.0070.02715.73
5.0.10.0070.04015.73
5.0.00.0000.06315.73
4.4.90.0100.03315.73
4.4.80.0100.02315.73
4.4.70.0000.02315.73
4.4.60.0030.02315.73
4.4.50.0030.03715.73
4.4.40.0030.05315.73
4.4.30.0070.03715.73
4.4.20.0000.03315.73
4.4.10.0030.03715.73
4.4.00.0030.06015.73
4.3.110.0130.03015.73
4.3.100.0070.02715.73
4.3.90.0000.04015.73
4.3.80.0030.05315.73
4.3.70.0030.03715.73
4.3.60.0070.03315.73
4.3.50.0030.03715.73
4.3.40.0070.03315.73
4.3.30.0030.02715.73
4.3.20.0070.04015.73
4.3.10.0000.04315.73
4.3.00.0030.03715.73

preferences:
41.69 ms | 400 KiB | 5 Q