3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r1 = '/(?!<r)rn/'; $r2 = '((?:rr(*SKIP)(*FAIL))rn)'; var_dump(preg_match($r1, "rn")); var_dump(preg_match($r2, "rn"));

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)
8.3.60.0090.00618.56
8.3.50.0120.00821.20
8.3.40.0110.00418.67
8.3.30.0070.00720.35
8.3.20.0040.00418.65
8.3.10.0080.00021.04
8.3.00.0040.00423.48
8.2.180.0100.01016.75
8.2.170.0070.00722.96
8.2.160.0110.00420.25
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0070.00019.77
8.2.110.0090.00020.49
8.2.100.0070.00418.03
8.2.90.0000.00819.09
8.2.80.0030.00519.40
8.2.70.0060.00317.75
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00620.07
8.2.30.0040.00419.43
8.2.20.0000.00717.65
8.2.10.0000.00817.83
8.2.00.0040.00417.82
8.1.280.0070.00725.92
8.1.270.0040.00423.99
8.1.260.0070.00026.35
8.1.250.0070.01028.09
8.1.240.0060.00322.42
8.1.230.0080.00321.02
8.1.220.0040.00418.77
8.1.210.0030.00718.89
8.1.200.0000.00817.35
8.1.190.0070.00017.29
8.1.180.0030.00518.10
8.1.170.0000.00918.77
8.1.160.0050.00318.73
8.1.150.0000.00718.79
8.1.140.0040.00417.59
8.1.130.0000.00717.86
8.1.120.0000.00717.47
8.1.110.0040.00417.58
8.1.100.0020.00517.61
8.1.90.0000.00817.61
8.1.80.0000.00817.60
8.1.70.0070.00017.39
8.1.60.0050.00317.60
8.1.50.0080.00017.53
8.1.40.0040.00417.48
8.1.30.0000.00817.75
8.1.20.0040.00417.70
8.1.10.0030.00617.59
8.1.00.0080.00417.55
8.0.300.0000.00719.97
8.0.290.0000.00717.03
8.0.280.0000.00718.28
8.0.270.0000.00717.14
8.0.260.0060.00016.90
8.0.250.0040.00417.05
8.0.240.0060.00317.05
8.0.230.0030.00317.01
8.0.220.0000.00816.98
8.0.210.0000.00816.95
8.0.200.0000.00716.87
8.0.190.0080.00017.01
8.0.180.0050.00316.87
8.0.170.0040.00416.85
8.0.160.0030.00516.94
8.0.150.0000.00717.00
8.0.140.0070.00016.95
8.0.130.0050.00013.41
8.0.120.0040.00416.84
8.0.110.0000.00817.00
8.0.100.0040.00416.86
8.0.90.0000.00716.79
8.0.80.0040.01216.92
8.0.70.0040.00416.98
8.0.60.0040.00416.99
8.0.50.0000.00717.04
8.0.30.0120.00717.18
8.0.20.0060.01317.40
8.0.10.0030.00617.13
8.0.00.0050.01216.93
7.4.330.0000.00516.68
7.4.320.0030.00316.58
7.4.300.0000.00616.65
7.4.290.0040.00416.70
7.4.280.0000.00716.54
7.4.270.0040.00416.70
7.4.260.0030.00313.51
7.4.250.0040.00416.69
7.4.240.0030.00516.68
7.4.230.0000.00716.46
7.4.220.0090.00916.79
7.4.210.0100.00816.73
7.4.200.0000.00716.57
7.4.190.0030.00616.52
7.4.160.0110.00616.64
7.4.150.0090.00917.40
7.4.140.0120.00817.86
7.4.130.0110.00916.63
7.4.120.0130.00416.52
7.4.110.0140.00316.53
7.4.100.0110.00516.43
7.4.90.0160.00416.59
7.4.80.0150.00319.39
7.4.70.0070.01016.56
7.4.60.0130.00316.74
7.4.50.0000.00916.66
7.4.40.0040.01122.77
7.4.30.0080.01316.73
7.4.10.0030.01315.17
7.4.00.0080.00814.99
7.3.330.0000.00513.19
7.3.320.0000.00513.12
7.3.310.0070.00016.14
7.3.300.0030.00316.28
7.3.290.0100.00316.24
7.3.280.0100.00716.25
7.3.270.0170.00017.40
7.3.260.0110.01118.24
7.3.250.0120.00516.43
7.3.240.0070.01016.31
7.3.230.0130.00616.39
7.3.210.0120.00616.46
7.3.200.0070.01319.39
7.3.190.0060.01416.73
7.3.180.0100.00716.50
7.3.170.0150.00316.27
7.3.160.0100.01016.71
7.3.130.0140.00014.69
7.3.120.0090.00815.01
7.3.110.0090.00914.83
7.3.100.0110.00414.84
7.3.90.0000.01815.16
7.3.80.0060.00914.81
7.3.70.0040.01114.80
7.3.60.0030.00814.66
7.3.50.0100.00714.91
7.3.40.0100.00314.91
7.3.30.0040.01114.89
7.3.20.0100.01016.87
7.3.10.0090.00916.87
7.3.00.0130.00316.48
7.2.330.0090.00916.58
7.2.320.0090.01216.66
7.2.310.0070.01416.56
7.2.300.0100.00716.46
7.2.290.0060.00916.59
7.2.260.0000.01815.00
7.2.250.0030.01015.11
7.2.240.0090.00315.21
7.2.230.0060.00615.11
7.2.220.0060.00915.02
7.2.210.0000.01315.06
7.2.200.0060.00914.94
7.2.190.0070.01014.98
7.2.180.0100.00714.76
7.2.170.0040.00815.13
7.2.160.0060.01214.83
7.2.150.0030.01017.00
7.2.140.0090.00916.94
7.2.130.0110.00417.11
7.2.120.0110.00716.84
7.2.110.0100.01016.75
7.2.100.0100.00316.96
7.2.90.0060.00916.98
7.2.80.0170.00017.00
7.2.70.0030.01017.04
7.2.60.0090.00616.70
7.2.50.0040.01117.06
7.2.40.0070.01116.78
7.2.30.0040.01116.95
7.2.20.0090.00316.72
7.2.10.0030.00716.91
7.2.00.0040.01118.24
7.1.330.0000.01315.95
7.1.320.0110.00315.77
7.1.310.0000.01315.59
7.1.300.0110.00315.88
7.1.290.0040.01116.02
7.1.280.0030.00915.84
7.1.270.0040.01415.81
7.1.260.0110.00016.00
7.1.250.0060.00915.95
7.1.240.0070.01115.98
7.1.230.0070.00716.06
7.1.220.0070.00715.85
7.1.210.0100.00315.84
7.1.200.0030.00615.91
7.1.190.0070.00716.02
7.1.180.0030.00615.67
7.1.170.0100.00315.79
7.1.160.0140.00015.73
7.1.150.0030.00715.89
7.1.140.0030.00916.05
7.1.130.0060.00715.79
7.1.120.0000.01216.01
7.1.110.0030.00915.93
7.1.100.0030.01016.99
7.1.90.0100.00016.07
7.1.80.0100.00015.91
7.1.70.0060.00216.49
7.1.60.0090.01117.50
7.1.50.0080.01116.34
7.1.40.0000.01315.95
7.1.30.0110.00615.88
7.1.20.0040.00815.96
7.1.10.0040.01115.63
7.1.00.0020.02719.17
7.0.330.0060.00615.41
7.0.320.0070.00715.66
7.0.310.0130.00015.63
7.0.300.0040.01115.28
7.0.290.0040.00415.40
7.0.280.0030.00715.74
7.0.270.0080.00015.27
7.0.260.0100.00715.58
7.0.250.0000.01715.69
7.0.240.0060.00615.10
7.0.230.0060.00315.45
7.0.220.0060.00615.64
7.0.210.0040.01115.55
7.0.200.0030.00616.18
7.0.190.0030.01315.47
7.0.180.0100.00315.48
7.0.170.0070.00715.66
7.0.160.0040.00715.54
7.0.150.0000.01415.38
7.0.140.0040.03718.87
7.0.130.0000.01215.53
7.0.120.0080.00415.30
7.0.110.0030.00715.61
7.0.100.0090.00315.46
7.0.90.0000.01415.63
7.0.80.0280.04617.69
7.0.70.0350.04017.79
7.0.60.0300.04017.79
7.0.50.0300.04517.95
7.0.40.0080.03716.95
7.0.30.0060.04516.80
7.0.20.0050.03516.75
7.0.10.0030.04716.87
7.0.00.0120.02516.92
5.6.400.0090.00914.43
5.6.390.0040.01214.20
5.6.380.0130.00014.36
5.6.370.0060.00614.12
5.6.360.0080.00414.49
5.6.350.0060.00914.36
5.6.340.0030.01214.15
5.6.330.0000.01613.83
5.6.320.0090.00914.38
5.6.310.0080.00814.15
5.6.300.0030.00914.45
5.6.290.0040.00714.26
5.6.280.0070.03717.60
5.6.270.0030.01314.10
5.6.260.0030.01314.28
5.6.250.0040.01214.25
5.6.240.0080.00414.19
5.6.230.0070.03217.42
5.6.220.0030.04617.30
5.6.210.0060.04017.39
5.6.200.0070.03617.64
5.6.190.0020.04917.75
5.6.180.0130.04317.61
5.6.170.0060.04817.57
5.6.160.0030.02917.79
5.6.150.0070.04517.69
5.6.140.0050.04517.67
5.6.130.0070.04817.53
5.6.120.0050.04017.67
5.6.110.0140.03917.67
5.6.100.0070.04317.65
5.6.90.0070.04217.70
5.6.80.0110.04117.48
5.6.70.0080.03217.34
5.6.60.0050.02317.22
5.6.50.0070.03517.20
5.6.40.0080.03817.25
5.6.30.0030.04817.32
5.6.20.0150.03017.25
5.6.10.0100.03517.23
5.6.00.0120.03517.27
5.5.380.0090.00614.27
5.5.370.0110.03217.21
5.5.360.0090.04117.31
5.5.350.0050.04717.37
5.5.340.0090.04017.46
5.5.330.0050.04717.32
5.5.320.0100.03417.35
5.5.310.0020.04017.55
5.5.300.0050.04517.48
5.5.290.0090.04017.48
5.5.280.0050.02517.64
5.5.270.0140.04017.42
5.5.260.0140.03517.35
5.5.250.0030.04217.38
5.5.240.0030.04317.10
5.5.230.0080.03617.08
5.5.220.0050.04117.17
5.5.210.0000.03217.13
5.5.200.0070.02917.15
5.5.190.0080.04017.15
5.5.180.0070.04016.98
5.5.170.0050.00513.94
5.5.160.0080.03217.08
5.5.150.0020.04017.10
5.5.140.0020.03617.14
5.5.130.0100.03317.25
5.5.120.0050.04017.03
5.5.110.0030.04317.14
5.5.100.0100.03317.03
5.5.90.0120.03917.07
5.5.80.0070.03717.05
5.5.70.0050.04516.97
5.5.60.0030.02816.97
5.5.50.0080.02317.02
5.5.40.0030.02516.99
5.5.30.0050.03017.06
5.5.20.0070.04117.04
5.5.10.0050.04317.10
5.5.00.0160.03616.99
5.4.450.0030.04715.14
5.4.440.0030.02715.08
5.4.430.0060.03315.12
5.4.420.0070.03515.34
5.4.410.0050.02015.09
5.4.400.0030.04114.96
5.4.390.0020.04714.85
5.4.380.0040.02115.00
5.4.370.0050.04214.88
5.4.360.0080.04015.05
5.4.350.0020.02414.90
5.4.340.0070.04014.85
5.4.330.0100.00310.86
5.4.320.0010.03814.96
5.4.310.0030.03814.96
5.4.300.0050.04414.82
5.4.290.0060.04115.11
5.4.280.0100.03815.00
5.4.270.0030.04315.09
5.4.260.0030.04414.84
5.4.250.0090.03814.96
5.4.240.0030.04014.98
5.4.230.0110.03715.01
5.4.220.0070.03814.97
5.4.210.0020.04114.96
5.4.200.0050.04115.04
5.4.190.0030.04314.99
5.4.180.0060.02514.95
5.4.170.0050.02915.03
5.4.160.0050.02514.91
5.4.150.0050.02414.95
5.4.140.0110.02513.49
5.4.130.0050.03013.61
5.4.120.0070.03613.60
5.4.110.0030.04413.55
5.4.100.0070.01813.62
5.4.90.0040.03413.67
5.4.80.0090.03513.64
5.4.70.0030.02613.59
5.4.60.0070.02013.63
5.4.50.0050.02113.66
5.4.40.0030.02313.66
5.4.30.0020.02013.53
5.4.20.0050.01813.62
5.4.10.0100.01713.64
5.4.00.0060.01513.31
5.3.290.0030.03012.72
5.3.280.0030.03812.73
5.3.270.0050.03012.71
5.3.260.0070.04012.72
5.3.250.0050.04112.71
5.3.240.0070.03812.73
5.3.230.0100.03912.66
5.3.220.0020.04612.62
5.3.210.0050.04112.72
5.3.200.0060.04312.64
5.3.190.0070.03812.64
5.3.180.0020.02812.64
5.3.170.0020.02712.68
5.3.160.0100.01612.70
5.3.150.0030.02412.68
5.3.140.0050.02012.68
5.3.130.0040.02212.70
5.3.120.0070.01812.69
5.3.110.0050.01912.70
5.3.100.0040.02412.44
5.3.90.0060.01812.36
5.3.80.0030.02012.36
5.3.70.0030.02112.32
5.3.60.0050.01612.36
5.3.50.0060.01612.29
5.3.40.0020.04312.40
5.3.30.0020.02012.36
5.3.20.0040.03112.21
5.3.10.0070.01512.24
5.3.00.0000.02212.23
5.2.170.0030.02311.74
5.2.160.0030.02311.74
5.2.150.0070.05311.74
5.2.140.0070.02011.74
5.2.130.0030.04011.74
5.2.120.0000.03011.74
5.2.110.0030.03011.74
5.2.100.0000.02711.74
5.2.90.0000.02711.74
5.2.80.0030.02711.74
5.2.70.0030.03011.74
5.2.60.0000.03711.74
5.2.50.0030.02711.74
5.2.40.0000.03011.74
5.2.30.0000.03011.74
5.2.20.0000.05711.74
5.2.10.0000.03311.74
5.2.00.0030.03311.74
5.1.60.0030.02311.74
5.1.50.0100.03311.74
5.1.40.0070.02711.74
5.1.30.0070.02011.74
5.1.20.0030.02311.74
5.1.10.0030.02011.74
5.1.00.0030.02311.74
5.0.50.0000.02011.74
5.0.40.0030.01711.74
5.0.30.0000.02711.74
5.0.20.0000.01711.74
5.0.10.0000.02011.74
5.0.00.0000.03011.74
4.4.90.0030.01311.74
4.4.80.0000.01311.74
4.4.70.0000.01711.74
4.4.60.0000.03011.74
4.4.50.0000.01311.74
4.4.40.0000.02011.74
4.4.30.0000.01711.74
4.4.20.0000.01711.74
4.4.10.0000.01711.74
4.4.00.0000.02311.74
4.3.110.0070.01011.74
4.3.100.0070.01311.74
4.3.90.0000.01311.74
4.3.80.0030.03011.74
4.3.70.0000.01711.74
4.3.60.0000.01711.74
4.3.50.0000.01311.74
4.3.40.0000.02311.74
4.3.30.0000.02011.74
4.3.20.0030.02711.74
4.3.10.0000.01311.74
4.3.00.0000.02011.74

preferences:
45.7 ms | 401 KiB | 5 Q