3v4l.org

run code in 300+ PHP versions simultaneously
<?php //var_dump(mb_list_encodings()); exit(); $regexEncoding = "Windows-1251"; //var_dump(mb_internal_encoding($regexEncoding)); exit(); var_dump(mb_regex_encoding($regexEncoding));

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)
8.3.60.0060.00916.50
8.3.50.0120.00717.37
8.3.40.0070.01118.71
8.3.30.0140.00018.44
8.3.20.0040.00418.64
8.3.10.0060.00320.50
8.3.00.0060.00319.26
8.2.180.0170.00316.63
8.2.170.0110.00422.96
8.2.160.0160.00019.01
8.2.150.0080.00024.18
8.2.140.0070.00724.66
8.2.130.0000.00826.16
8.2.120.0030.00620.50
8.2.110.0000.01021.08
8.2.100.0090.00317.78
8.2.90.0030.00619.17
8.2.80.0040.00419.34
8.2.70.0040.00417.63
8.2.60.0000.01017.68
8.2.50.0000.00818.07
8.2.40.0080.00018.03
8.2.30.0040.00417.89
8.2.20.0000.00919.32
8.2.10.0050.00217.61
8.2.00.0050.00317.79
8.1.280.0130.00725.92
8.1.270.0040.00423.99
8.1.260.0050.00326.35
8.1.250.0030.00628.09
8.1.240.0060.00322.38
8.1.230.0080.00321.04
8.1.220.0060.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.22
8.1.190.0050.00217.53
8.1.180.0000.00818.10
8.1.170.0080.00018.67
8.1.160.0040.00418.73
8.1.150.0070.00018.43
8.1.140.0000.00717.43
8.1.130.0000.00717.72
8.1.120.0000.00717.29
8.1.110.0000.00717.37
8.1.100.0040.00417.44
8.1.90.0000.00717.38
8.1.80.0000.00717.29
8.1.70.0000.00817.40
8.1.60.0000.00817.39
8.1.50.0060.00317.39
8.1.40.0050.00317.48
8.1.30.0000.00817.48
8.1.20.0080.00017.64
8.1.10.0040.00417.53
8.1.00.0070.00017.40
8.0.300.0060.00319.91
8.0.290.0040.00416.63
8.0.280.0000.00718.41
8.0.270.0000.00717.18
8.0.260.0030.00316.74
8.0.250.0050.00316.88
8.0.240.0070.00016.99
8.0.230.0000.00816.86
8.0.220.0030.00316.86
8.0.210.0040.00416.88
8.0.200.0050.00316.91
8.0.190.0000.00816.98
8.0.180.0000.00716.91
8.0.170.0040.00416.83
8.0.160.0040.00416.90
8.0.150.0000.00816.71
8.0.140.0000.00716.72
8.0.130.0030.00313.39
8.0.120.0000.00816.71
8.0.110.0000.00816.75
8.0.100.0050.00216.91
8.0.90.0030.00316.67
8.0.80.0030.01216.89
8.0.70.0030.00516.68
8.0.60.0030.00516.84
8.0.50.0040.00416.73
8.0.30.0070.01017.07
8.0.20.0070.01116.91
8.0.10.0040.00417.03
8.0.00.0130.00616.58
7.4.330.0020.00212.93
7.4.320.0000.00616.54
7.4.300.0040.00416.40
7.4.290.0030.00316.52
7.4.280.0050.00316.37
7.4.270.0030.00316.38
7.4.260.0030.00313.13
7.4.250.0060.00316.56
7.4.240.0000.00716.43
7.4.230.0000.00716.61
7.4.220.0160.00816.41
7.4.210.0100.01016.55
7.4.200.0040.00416.54
7.4.190.0040.00416.45
7.4.160.0050.01016.51
7.4.150.0070.01116.45
7.4.140.0170.00716.45
7.4.130.0070.00916.32
7.4.120.0110.00716.34
7.4.110.0090.01516.34
7.4.100.0060.01016.43
7.4.90.0040.01416.41
7.4.80.0090.01219.39
7.4.70.0030.01216.57
7.4.60.0080.00816.23
7.4.50.0060.00016.35
7.4.40.0030.00916.31
7.4.30.0130.00316.21
7.4.00.0100.00314.97
7.3.330.0060.00013.07
7.3.320.0000.00513.00
7.3.310.0040.00416.04
7.3.300.0000.00716.10
7.3.290.0070.01116.20
7.3.280.0100.00916.15
7.3.270.0080.00816.21
7.3.260.0080.00916.40
7.3.250.0100.01016.20
7.3.240.0130.00316.08
7.3.230.0110.00616.30
7.3.210.0140.00316.34
7.3.200.0140.00416.25
7.3.190.0180.00416.24
7.3.180.0080.00816.15
7.3.170.0130.00416.20
7.3.160.0130.00616.21
7.3.120.0030.01414.79
7.3.110.0000.01214.78
7.3.100.0070.00414.61
7.3.90.0000.01014.54
7.3.80.0030.00714.89
7.3.70.0070.01014.75
7.3.60.0030.01014.80
7.3.50.0040.00714.79
7.3.40.0100.00314.79
7.3.30.0040.01114.54
7.3.20.0060.01016.61
7.3.10.0090.00616.29
7.3.00.0040.00916.42
7.2.330.0110.00916.43
7.2.320.0060.01216.52
7.2.310.0130.00616.58
7.2.300.0060.01216.42
7.2.290.0100.01016.39
7.2.240.0080.00415.07
7.2.230.0090.00014.68
7.2.220.0000.01415.00
7.2.210.0100.00714.54
7.2.200.0060.01014.86
7.2.190.0070.00714.51
7.2.180.0000.01514.69
7.2.170.0000.01414.80
7.2.160.0090.00614.68
7.2.150.0100.00716.50
7.2.140.0040.01116.69
7.2.130.0080.00616.62
7.2.120.0070.00516.49
7.2.110.0040.01016.75
7.2.100.0030.01116.60
7.2.90.0090.00616.73
7.2.80.0070.00716.59
7.2.70.0070.00516.78
7.2.60.0010.01316.71
7.2.50.0090.00516.67
7.2.40.0020.01116.67
7.2.30.0060.00816.82
7.2.20.0110.00216.63
7.2.10.0080.00716.57
7.2.00.0030.01117.17
7.1.330.0080.00415.43
7.1.320.0080.00815.64
7.1.310.0090.00315.66
7.1.300.0050.00515.69
7.1.290.0060.00615.73
7.1.280.0000.01115.58
7.1.270.0050.00515.39
7.1.260.0070.01015.72
7.1.250.0080.00715.68
7.1.240.0050.00915.78
7.1.230.0070.00415.56
7.1.220.0050.00715.73
7.1.210.0050.00815.56
7.1.200.0050.00515.50
7.1.190.0020.01115.72
7.1.180.0070.00815.84
7.1.170.0040.00815.79
7.1.160.0100.00315.74
7.1.150.0040.00715.77
7.1.140.0060.00615.63
7.1.130.0030.00915.69
7.1.120.0050.00615.68
7.1.110.0030.01015.80
7.1.100.0350.00515.86
7.1.90.0050.00615.71
7.1.80.0030.00715.45
7.1.70.0060.00516.06
7.1.60.0060.01016.87
7.1.50.0090.00916.11
7.1.40.0040.00715.74
7.1.30.0050.00815.54
7.1.20.0070.00515.67
7.1.10.0070.00715.79
7.1.00.0030.01818.04
7.0.330.0090.00115.32
7.0.320.0060.00415.27
7.0.310.0060.00515.05
7.0.300.0110.00215.21
7.0.290.0020.01015.14
7.0.280.0060.00815.15
7.0.270.0080.00315.04
7.0.260.0040.00915.12
7.0.250.0070.00715.25
7.0.240.0060.00315.17
7.0.230.0050.00915.28
7.0.220.0050.00515.50
7.0.210.0070.00615.38
7.0.200.0110.00515.12
7.0.190.0020.01015.29
7.0.180.0070.00315.29
7.0.170.0060.00715.26
7.0.160.0070.00715.38
7.0.150.0140.00215.47
7.0.140.0040.02917.55
7.0.130.0050.00415.37
7.0.120.0100.02617.69
7.0.110.0050.00715.30
7.0.100.0040.00915.38
7.0.90.0030.01015.29
7.0.80.0030.02416.76
7.0.70.0140.02816.77
7.0.60.0040.02516.84
7.0.50.0080.02116.99
7.0.40.0050.02015.64
7.0.30.0050.02015.65
7.0.20.0030.02515.49
7.0.10.0080.02115.54
7.0.00.0040.01715.51
5.6.380.0060.00414.01
5.6.370.0070.00514.19
5.6.360.0050.00614.13
5.6.350.0020.01114.37
5.6.340.0060.00414.09
5.6.330.0100.00314.13
5.6.320.0070.00514.21
5.6.310.0130.01014.41
5.6.300.0140.00214.09
5.6.290.0110.00614.29
5.6.280.0080.02616.37
5.6.270.0040.01014.18
5.6.260.0030.01014.15
5.6.250.0050.00514.09
5.6.240.0050.00814.21
5.6.230.0040.03116.23
5.6.220.0070.03216.13
5.6.210.0040.03216.31
5.6.200.0060.01916.36
5.6.190.0070.01716.40
5.6.180.0040.02116.41
5.6.170.0030.02116.35
5.6.160.0090.01416.40
5.6.150.0050.01616.46
5.6.140.0060.02916.40
5.6.130.0100.02916.42
5.6.120.0050.02216.46
5.6.110.0040.01816.34
5.6.100.0070.01716.28
5.6.90.0050.02216.42
5.6.80.0080.01416.19
5.6.70.0030.01816.14
5.6.60.0060.01716.18
5.6.50.0000.02216.19
5.6.40.0050.01816.26
5.6.30.0060.01916.26
5.6.20.0040.02016.16
5.6.10.0040.02116.24
5.6.00.0070.01316.22
5.5.380.0020.00510.91
5.5.370.0050.02514.15
5.5.360.0070.02213.94
5.5.350.0090.02113.91
5.5.340.0050.01914.17
5.5.330.0050.01713.97
5.5.320.0070.01714.27
5.5.310.0030.02214.18
5.5.300.0050.01414.19
5.5.290.0020.02414.29
5.5.280.0070.01514.29
5.5.270.0080.01414.12
5.5.260.0040.01714.24
5.5.250.0070.01513.95
5.5.240.0050.01613.90
5.5.230.0050.01413.82
5.5.220.0070.01313.99
5.5.210.0080.01213.88
5.5.200.0080.01513.93
5.5.190.0060.01513.97
5.5.180.0000.02113.81
5.5.170.0030.00710.81
5.5.160.0040.02414.03
5.5.150.0060.02713.67
5.5.140.0060.01513.86
5.5.130.0050.01613.98
5.5.120.0070.01413.99
5.5.110.0050.01614.02
5.5.100.0020.02313.96
5.5.90.0050.01413.88
5.5.80.0020.01713.91
5.5.70.0070.01313.81
5.5.60.0080.01313.86
5.5.50.0060.03113.80
5.5.40.0060.02213.83
5.5.30.0060.01713.83
5.5.20.0020.02113.86
5.5.10.0070.02713.86
5.5.00.0050.02813.80
5.4.450.0070.02813.65
5.4.440.0060.01613.76
5.4.430.0030.02013.68
5.4.420.0040.01513.69
5.4.410.0040.01513.56
5.4.400.0030.01713.61
5.4.390.0040.01613.43
5.4.380.0060.01513.53
5.4.370.0020.02913.52
5.4.360.0070.01613.54
5.4.350.0040.01913.49
5.4.340.0080.01113.53
5.4.330.0060.00410.70
5.4.320.0030.03013.57
5.4.310.0010.01813.45
5.4.300.0070.01813.36
5.4.290.0050.01413.52
5.4.280.0040.01713.51
5.4.270.0040.01513.47
5.4.260.0070.01413.42
5.4.250.0050.01513.46
5.4.240.0060.02713.65
5.4.230.0040.02413.44
5.4.220.0070.02113.54
5.4.210.0060.02413.46
5.4.200.0000.03813.41
5.4.190.0010.02213.54
5.4.180.0010.02113.47
5.4.170.0070.02013.54
5.4.160.0050.01913.40
5.4.150.0060.02813.38
5.4.140.0030.01612.75
5.4.130.0010.03112.60
5.4.120.0030.02512.62
5.4.110.0050.02712.66
5.4.100.0070.02412.57
5.4.90.0060.02512.57
5.4.80.0030.01912.44
5.4.70.0070.01412.51
5.4.60.0090.01212.69
5.4.50.0020.03212.60
5.4.40.0030.02912.60
5.4.30.0070.02312.58
5.4.20.0050.02912.63
5.4.10.0050.02812.65
5.4.00.0050.02712.50
5.3.290.0050.01711.80
5.3.280.0000.01811.71
5.3.270.0030.02111.76
5.3.260.0050.03011.78
5.3.250.0060.03111.75
5.3.240.0030.02411.59
5.3.230.0060.02511.75
5.3.220.0040.02911.75
5.3.210.0030.02811.68
5.3.200.0040.02911.77
5.3.190.0050.02311.73
5.3.180.0030.03011.83
5.3.170.0050.01411.83
5.3.160.0040.02611.78
5.3.150.0060.01611.72
5.3.140.0030.03111.74
5.3.130.0070.02511.71
5.3.120.0060.02911.76
5.3.110.0090.01711.79
5.3.100.0080.02211.64
5.3.90.0050.02311.66
5.3.80.0030.03011.50
5.3.70.0070.02511.50
5.3.60.0070.02811.62
5.3.50.0110.02311.57
5.3.40.0040.02611.48
5.3.30.0080.01611.47
5.3.20.0060.02411.42
5.3.10.0070.02311.31
5.3.00.0030.02111.28
5.2.170.0030.01910.54
5.2.160.0050.02410.53
5.2.150.0070.01810.47
5.2.140.0060.02310.50
5.2.130.0080.00910.49
5.2.120.0100.01110.57
5.2.110.0080.01610.47
5.2.100.0040.01510.52
5.2.90.0050.02510.50
5.2.80.0060.02510.47
5.2.70.0040.01410.48
5.2.60.0050.02110.47
5.2.50.0020.01910.47
5.2.40.0100.02410.49
5.2.30.0050.01510.47
5.2.20.0070.02110.47
5.2.10.0050.02210.47
5.2.00.0070.01810.47
5.1.60.0030.01910.47
5.1.50.0040.01910.47
5.1.40.0100.01410.47
5.1.30.0050.01910.47
5.1.20.0060.02210.47
5.1.10.0050.01810.47
5.1.00.0060.01910.47
5.0.50.0060.01710.47
5.0.40.0070.01610.47
5.0.30.0040.01810.47
5.0.20.0070.01310.47
5.0.10.0020.01610.47
5.0.00.0040.02610.47
4.4.90.0050.01210.47
4.4.80.0050.00910.47
4.4.70.0020.01310.47
4.4.60.0010.01510.47
4.4.50.0030.01210.47
4.4.40.0040.01810.47
4.4.30.0050.01210.47
4.4.20.0040.00810.47
4.4.10.0050.01310.47
4.4.00.0020.02010.47
4.3.110.0030.01210.47
4.3.100.0060.01310.47
4.3.90.0060.00710.47
4.3.80.0040.01710.47
4.3.70.0010.01010.47
4.3.60.0020.01510.47
4.3.50.0040.01110.47
4.3.40.0040.01910.47
4.3.30.0010.01610.47
4.3.20.0020.01010.47
4.3.10.0040.01010.47
4.3.00.0020.01410.47

preferences:
62.81 ms | 400 KiB | 5 Q