3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(preg_match('/(?<=\b)рус(?:\b)/uis', 'рус'));

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)
8.3.60.0110.00718.40
8.3.50.0120.00522.17
8.3.40.0140.00018.92
8.3.30.0030.01318.96
8.3.20.0040.00418.95
8.3.10.0000.00820.95
8.3.00.0050.00323.65
8.2.180.0110.00418.67
8.2.170.0090.00622.96
8.2.160.0100.00320.48
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0050.00321.12
8.2.110.0070.00320.56
8.2.100.0000.01117.91
8.2.90.0050.00219.25
8.2.80.0030.00517.97
8.2.70.0050.00317.50
8.2.60.0040.00417.91
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0000.00721.22
8.2.20.0040.00417.83
8.2.10.0040.00417.77
8.2.00.0040.00417.91
8.1.280.0190.00625.92
8.1.270.0000.00823.99
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0070.00322.47
8.1.230.0070.00420.81
8.1.220.0040.00418.77
8.1.210.0000.00818.93
8.1.200.0030.00617.35
8.1.190.0000.00817.41
8.1.180.0040.00418.10
8.1.170.0090.00018.71
8.1.160.0030.00518.86
8.1.150.0000.00718.73
8.1.140.0040.00417.64
8.1.130.0000.00717.76
8.1.120.0040.00417.51
8.1.110.0030.00617.50
8.1.100.0070.00017.37
8.1.90.0000.00717.55
8.1.80.0030.00517.53
8.1.70.0070.00017.38
8.1.60.0030.00617.63
8.1.50.0040.00417.57
8.1.40.0050.00217.43
8.1.30.0040.00417.64
8.1.20.0030.00517.63
8.1.10.0080.00017.54
8.1.00.0080.00017.48
8.0.300.0040.00419.74
8.0.290.0050.00316.91
8.0.280.0000.00718.34
8.0.270.0000.00717.14
8.0.260.0030.00316.83
8.0.250.0080.00017.01
8.0.240.0100.00017.15
8.0.230.0000.00717.03
8.0.220.0040.00316.93
8.0.210.0000.00817.10
8.0.200.0040.00417.00
8.0.190.0050.00317.03
8.0.180.0020.00517.07
8.0.170.0040.00416.96
8.0.160.0000.00817.08
8.0.150.0070.00016.88
8.0.140.0030.00516.97
8.0.130.0030.00313.38
8.0.120.0000.00716.88
8.0.110.0100.00016.98
8.0.100.0040.00416.83
8.0.90.0040.00416.81
8.0.80.0130.00317.03
8.0.70.0000.00716.98
8.0.60.0040.00416.91
8.0.50.0000.00716.94
8.0.30.0110.01117.03
8.0.20.0110.01417.42
8.0.10.0040.00416.98
8.0.00.0100.01016.79
7.4.330.0050.00016.86
7.4.320.0040.00416.63
7.4.300.0000.00616.65
7.4.290.0030.00316.63
7.4.280.0050.00216.64
7.4.270.0050.00316.75
7.4.260.0030.00313.33
7.4.250.0040.00416.75
7.4.240.0000.00716.58
7.4.230.0000.00716.84
7.4.220.0120.00416.41
7.4.210.0080.01016.64
7.4.200.0030.00316.73
7.4.190.0000.00816.73
7.4.160.0100.00716.39
7.4.150.0100.00717.40
7.4.140.0150.00317.86
7.4.130.0140.00416.57
7.4.120.0110.01016.49
7.4.110.0100.00716.46
7.4.100.0090.00916.73
7.4.90.0110.00716.55
7.4.80.0070.01019.39
7.4.70.0100.01016.51
7.4.60.0090.00916.64
7.4.50.0080.00016.35
7.4.40.0100.00322.77
7.4.30.0030.02016.60
7.4.00.0070.01015.09
7.3.330.0030.00213.07
7.3.320.0050.00013.05
7.3.310.0030.00316.21
7.3.300.0030.00316.41
7.3.290.0090.01216.39
7.3.280.0100.00616.38
7.3.270.0060.01117.40
7.3.260.0080.01318.24
7.3.250.0090.01216.40
7.3.240.0070.01016.63
7.3.230.0140.01016.55
7.3.210.0140.00316.64
7.3.200.0100.01019.39
7.3.190.0060.01016.41
7.3.180.0100.00816.44
7.3.170.0100.00616.55
7.3.160.0120.00816.34
7.3.120.0030.01414.98
7.3.10.0060.01016.88
7.3.00.0070.00716.53
7.2.330.0150.00616.62
7.2.320.0040.01416.43
7.2.310.0150.00416.75
7.2.300.0100.00716.60
7.2.290.0030.01316.56
7.2.130.0070.00717.13
7.2.120.0120.00316.77
7.2.110.0000.01716.97
7.2.100.0040.01116.71
7.2.90.0070.00716.93
7.2.80.0070.00416.68
7.2.70.0040.00717.04
7.2.60.0000.01217.05
7.2.50.0140.00016.68
7.2.40.0060.00316.70
7.2.30.0030.01316.95
7.2.20.0070.00716.67
7.2.10.0070.00416.78
7.2.00.0000.00916.87
7.1.250.0000.01615.66
7.1.100.0030.00918.14
7.1.70.0040.00417.17
7.1.60.0070.01317.36
7.1.50.0030.01816.94
7.1.40.0030.01216.67
7.1.30.0030.00916.96
7.1.20.0030.00916.96
7.1.10.0040.00416.83
7.1.00.0000.00916.92
7.0.200.0060.00916.59
7.0.190.0120.00316.90
7.0.180.0040.00716.44
7.0.170.0060.00616.39
7.0.160.0000.00816.43
7.0.150.0030.00616.48
7.0.140.0030.00616.71
7.0.130.0000.01016.56
7.0.120.0030.00616.75
7.0.110.0000.00816.57
7.0.100.0040.00416.61
7.0.90.0000.00816.53
7.0.80.0030.00516.40
7.0.70.0000.00716.66
7.0.60.0000.00816.34
7.0.50.0040.00416.57
7.0.40.0040.00414.70
7.0.30.0030.00614.70
7.0.20.0030.00614.70
7.0.10.0030.00514.70
7.0.00.0080.00014.70
5.6.300.0060.03620.95
5.6.290.0100.06920.65
5.6.280.0030.04620.96
5.6.270.0000.04721.00
5.6.260.0060.04220.84
5.6.250.0030.04420.84
5.6.240.0000.04520.81
5.6.230.0030.04220.85
5.6.220.0000.04620.81
5.6.210.0070.08320.59
5.6.200.0070.03920.89
5.6.190.0070.04321.00
5.6.180.0030.04720.96
5.6.170.0030.04620.79
5.6.160.0090.03520.83
5.6.150.0070.04420.80
5.6.140.0070.03920.89
5.6.130.0000.05120.95
5.6.120.0030.04621.00
5.6.110.0000.07720.93
5.6.100.0070.04320.94
5.6.90.0030.04720.77
5.6.80.0030.04520.07
5.6.70.0040.03920.38
5.6.60.0030.04520.26
5.6.50.0100.04020.36
5.6.40.0390.02020.29
5.6.30.0000.04720.35
5.6.20.0070.03820.25
5.6.10.0070.03720.37
5.6.00.0030.04320.32
5.5.380.0030.03817.54
5.5.370.0100.05117.48
5.5.360.0030.04017.48
5.5.350.0070.07817.44
5.5.340.0140.04117.94
5.5.330.0000.04417.95
5.5.320.0030.04018.02
5.5.310.0000.04817.86
5.5.300.0030.05318.03
5.5.290.0270.03718.01
5.5.280.0140.04417.82
5.5.270.0100.07817.85
5.5.260.0070.04618.12
5.5.250.0070.03817.81
5.5.240.0030.05817.38
5.5.230.0030.04917.35
5.5.220.0000.04217.11
5.5.210.0030.04017.42
5.5.200.0000.04317.32
5.5.190.0030.04117.29
5.5.180.0070.03417.46
5.5.160.0040.03917.41
5.5.150.0130.03717.39
5.5.140.0060.03617.39
5.5.130.0000.03917.11
5.5.120.0030.03717.39
5.5.110.0100.03017.37
5.5.100.0030.04017.24
5.5.90.0070.03317.19
5.5.80.0030.03517.20
5.5.70.0000.03917.08
5.5.60.0030.03617.10
5.5.50.0070.04417.31
5.5.40.0030.04117.36
5.5.30.0030.03517.17
5.5.20.0070.03417.19
5.5.10.0000.03917.26
5.5.00.0000.05416.96
5.4.450.0030.04419.15
5.4.440.0030.04119.37
5.4.430.0030.04819.36
5.4.420.0040.03919.38
5.4.410.0030.04119.26
5.4.400.0030.03819.00
5.4.390.0060.04518.97
5.4.380.0000.04118.82
5.4.370.0000.04319.13
5.4.360.0130.04018.88
5.4.350.0030.05118.82
5.4.340.0060.03519.13
5.4.320.0030.04019.02
5.4.310.0000.03919.13
5.4.300.0060.03418.97
5.4.290.0070.03518.97
5.4.280.0030.04418.90
5.4.270.0000.04118.83
5.4.260.0030.03719.12
5.4.250.0030.04018.97
5.4.240.0100.02918.88
5.4.230.0000.03918.81
5.4.220.0040.03918.99
5.4.210.0030.04219.15
5.4.200.0070.03418.89
5.4.190.0060.03219.07
5.4.180.0060.03819.06
5.4.170.0030.03818.89
5.4.160.0000.04418.95
5.4.150.0030.04519.14
5.4.140.0030.04216.70
5.4.130.0000.04016.69
5.4.120.0140.03016.61
5.4.110.0000.03816.61
5.4.100.0000.03916.63
5.4.90.0000.03816.61
5.4.80.0030.03416.48
5.4.70.0030.03316.68
5.4.60.0000.04716.67
5.4.50.0070.03016.34
5.4.40.0030.03416.62
5.4.30.0030.03316.61
5.4.20.0070.03416.38
5.4.10.0030.03516.64
5.4.00.0040.03316.00
5.3.290.0030.03914.71
5.3.280.0190.02914.70
5.3.270.0000.03914.75
5.3.260.0100.07114.71
5.3.250.0000.04514.75
5.3.240.0030.03414.70
5.3.230.0000.04014.70
5.3.220.0000.03714.70
5.3.210.0000.04514.70
5.3.200.0030.03614.70
5.3.190.0000.04514.70
5.3.180.0030.04014.70
5.3.170.0040.03514.71
5.3.160.0070.06014.70
5.3.150.0000.03914.70
5.3.140.0070.04214.70
5.3.130.0030.08114.70
5.3.120.0000.05914.77
5.3.110.0000.04114.74
5.3.100.0070.04514.70
5.3.90.0030.07114.70
5.3.80.0000.03814.70
5.3.70.0090.03114.70
5.3.60.0190.03614.70
5.3.50.0030.03614.70
5.3.40.0030.03514.70
5.3.30.0000.04014.70
5.3.20.0000.03814.70
5.3.10.0000.03514.70
5.3.00.0030.05614.70
5.2.170.0030.03014.70
5.2.160.0000.03114.70
5.2.150.0000.03514.70
5.2.140.0030.03114.70
5.2.130.0060.02514.70
5.2.120.0070.02414.70
5.2.110.0030.03814.70
5.2.100.0030.03014.70
5.2.90.0000.03214.70
5.2.80.0030.03714.70
5.2.70.0030.03314.70
5.2.60.0030.03114.70
5.2.50.0000.03414.70
5.2.40.0030.02714.70
5.2.30.0030.06214.70
5.2.20.0030.02814.70
5.2.10.0030.02714.70
5.2.00.0030.04414.70
5.1.60.0000.03214.70
5.1.50.0000.03414.70
5.1.40.0000.02614.70
5.1.30.0030.02714.70
5.1.20.0000.02914.70
5.1.10.0030.02714.70
5.1.00.0030.04614.70
5.0.50.0000.02214.70
5.0.40.0070.03614.70
5.0.30.0000.03314.70
5.0.20.0060.01814.70
5.0.10.0030.04214.70
5.0.00.0000.03314.70
4.4.90.0000.01614.70
4.4.80.0030.02414.70
4.4.70.0030.01414.70
4.4.60.0000.02114.70
4.4.50.0000.02514.70
4.4.40.0000.02914.70
4.4.30.0030.01714.70
4.4.20.0030.01414.70
4.4.10.0000.01614.70
4.4.00.0000.05914.70
4.3.110.0000.01814.70
4.3.100.0030.01614.70
4.3.90.0040.02214.70
4.3.80.0000.02614.70
4.3.70.0030.02314.70
4.3.60.0000.01714.70
4.3.50.0030.01514.70
4.3.40.0030.02414.70
4.3.30.0070.02014.70
4.3.20.0060.01514.70
4.3.10.0030.01414.70
4.3.00.0040.01414.70

preferences:
39.1 ms | 401 KiB | 5 Q