3v4l.org

run code in 300+ PHP versions simultaneously
<?php $regexEncoding = "CP-1251"; var_dump(mb_internal_encoding()); exit(); var_dump(mb_regex_encoding($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)
8.3.60.0070.00718.23
8.3.50.0070.01321.82
8.3.40.0170.00318.65
8.3.30.0110.00318.53
8.3.20.0030.00618.60
8.3.10.0040.00421.10
8.3.00.0000.00823.46
8.2.180.0140.00016.50
8.2.170.0140.00322.96
8.2.160.0100.00720.52
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00419.36
8.2.110.0030.00622.25
8.2.100.0120.00317.91
8.2.90.0090.00019.28
8.2.80.0040.00417.97
8.2.70.0000.00917.50
8.2.60.0040.00417.90
8.2.50.0050.00318.07
8.2.40.0000.00818.03
8.2.30.0050.00219.79
8.2.20.0000.00717.70
8.2.10.0080.00017.78
8.2.00.0050.00317.60
8.1.280.0040.01425.92
8.1.270.0040.00423.99
8.1.260.0060.00826.35
8.1.250.0080.00028.09
8.1.240.0050.00523.92
8.1.230.0040.00719.21
8.1.220.0050.00317.79
8.1.210.0000.00818.77
8.1.200.0030.00617.11
8.1.190.0000.00817.36
8.1.180.0040.00418.10
8.1.170.0040.00418.53
8.1.160.0000.00718.82
8.1.150.0040.00418.57
8.1.140.0050.00217.34
8.1.130.0070.00017.77
8.1.120.0050.00317.39
8.1.110.0020.00517.41
8.1.100.0050.00317.42
8.1.90.0020.00517.43
8.1.80.0020.00517.29
8.1.70.0070.00017.29
8.1.60.0040.00417.44
8.1.50.0040.00417.36
8.1.40.0050.00217.37
8.1.30.0040.00417.57
8.1.20.0040.00417.59
8.1.10.0050.00217.45
8.1.00.0070.00317.36
8.0.300.0080.00018.77
8.0.290.0080.00016.75
8.0.280.0070.00018.33
8.0.270.0070.00017.14
8.0.260.0060.00016.77
8.0.250.0030.00516.93
8.0.240.0000.00816.84
8.0.230.0000.00716.82
8.0.220.0040.00416.92
8.0.210.0040.00416.91
8.0.200.0000.00716.85
8.0.190.0030.00516.82
8.0.180.0070.00016.91
8.0.170.0000.00816.79
8.0.160.0000.00816.96
8.0.150.0040.00416.84
8.0.140.0040.00416.86
8.0.130.0000.00613.34
8.0.120.0040.00416.84
8.0.110.0000.00816.98
8.0.100.0000.00816.79
8.0.90.0040.00416.85
8.0.80.0080.00716.91
8.0.70.0040.00416.83
8.0.60.0040.00416.78
8.0.50.0040.00416.76
8.0.30.0100.01216.87
8.0.20.0120.00617.40
8.0.10.0040.00416.80
8.0.00.0140.00916.74
7.4.330.0000.00614.82
7.4.320.0000.00716.43
7.4.300.0030.00316.33
7.4.290.0060.00016.53
7.4.280.0040.00716.37
7.4.270.0000.00616.52
7.4.260.0060.00013.16
7.4.250.0050.00216.38
7.4.240.0040.00416.45
7.4.230.0040.00416.31
7.4.220.0060.01616.52
7.4.210.0050.00916.50
7.4.200.0070.00016.27
7.4.190.0030.00516.49
7.4.160.0080.00816.39
7.4.150.0170.00017.40
7.4.140.0110.01017.86
7.4.130.0070.01216.42
7.4.120.0090.00816.40
7.4.110.0060.01616.41
7.4.100.0060.01516.59
7.4.90.0030.01916.53
7.4.80.0190.00019.37
7.4.70.0090.00916.39
7.4.60.0070.01016.16
7.4.50.0030.00616.48
7.4.40.0090.00922.27
7.4.30.0130.01016.47
7.4.10.0090.00914.70
7.4.00.0050.01114.86
7.3.330.0020.00213.02
7.3.320.0030.00313.10
7.3.310.0070.00016.25
7.3.300.0000.00716.18
7.3.290.0130.00716.19
7.3.280.0040.01216.21
7.3.270.0180.00017.40
7.3.260.0110.00618.24
7.3.250.0130.00716.31
7.3.240.0190.00316.48
7.3.230.0130.00416.51
7.3.210.0100.01316.32
7.3.200.0150.00819.39
7.3.190.0130.00316.28
7.3.180.0110.00716.49
7.3.170.0110.00616.27
7.3.160.0060.00916.24
7.3.130.0090.00914.80
7.3.120.0050.01214.70
7.3.110.0070.00714.62
7.3.100.0000.01114.39
7.3.90.0080.00414.66
7.3.80.0070.00314.45
7.3.70.0060.00614.42
7.3.60.0100.00014.72
7.3.50.0040.01114.82
7.3.40.0000.01414.58
7.3.30.0090.00314.56
7.3.20.0000.01316.59
7.3.10.0090.00616.45
7.3.00.0090.00516.17
7.2.330.0100.00716.57
7.2.320.0150.00316.55
7.2.310.0130.00316.39
7.2.300.0090.00916.25
7.2.290.0060.01016.48
7.2.260.0040.01215.09
7.2.250.0120.00314.73
7.2.240.0120.00414.82
7.2.230.0150.00315.13
7.2.220.0100.00315.12
7.2.210.0030.00714.93
7.2.200.0000.01014.77
7.2.190.0040.01114.84
7.2.180.0060.00314.90
7.2.170.0070.00714.81
7.2.160.0060.00614.95
7.2.150.0060.00916.63
7.2.140.0040.00816.74
7.2.130.0080.00616.68
7.2.120.0050.00516.58
7.2.110.0070.00916.56
7.2.100.0090.00416.72
7.2.90.0080.00616.52
7.2.80.0050.01016.80
7.2.70.0080.00916.59
7.2.60.0120.00316.44
7.2.50.0030.01116.53
7.2.40.0060.00916.37
7.2.30.0080.00716.78
7.2.20.0070.00916.57
7.2.10.0070.00716.60
7.2.00.0090.00517.39
7.1.330.0040.00715.59
7.1.320.0140.00315.77
7.1.310.0100.00015.68
7.1.300.0000.01015.46
7.1.290.0070.00715.62
7.1.280.0060.00615.73
7.1.270.0030.00915.45
7.1.260.0080.00315.72
7.1.250.0050.00915.57
7.1.240.0000.01015.66
7.1.230.0040.00815.40
7.1.220.0000.01315.69
7.1.210.0030.01215.72
7.1.200.0090.00615.67
7.1.190.0000.01315.45
7.1.180.0070.00715.65
7.1.170.0060.00615.44
7.1.160.0090.00015.75
7.1.150.0030.00715.49
7.1.140.0030.00615.58
7.1.130.0100.00315.75
7.1.120.0130.00315.75
7.1.110.0030.01015.64
7.1.100.0050.00916.69
7.1.90.0100.00315.79
7.1.80.0070.01015.95
7.1.70.0020.00916.31
7.1.60.0060.01317.62
7.1.50.0080.00816.35
7.1.40.0030.00915.59
7.1.30.0060.00315.91
7.1.20.0040.00815.57
7.1.10.0040.01115.42
7.1.00.0100.02819.14
7.0.330.0070.00715.16
7.0.320.0000.01015.35
7.0.310.0120.00615.39
7.0.300.0000.01515.09
7.0.290.0100.00315.50
7.0.280.0030.01015.32
7.0.270.0030.01015.34
7.0.260.0030.01315.36
7.0.250.0090.00615.49
7.0.240.0040.01115.43
7.0.230.0100.00315.44
7.0.220.0060.00615.05
7.0.210.0000.01215.13
7.0.200.0050.00616.11
7.0.190.0000.01115.11
7.0.180.0040.01115.31
7.0.170.0100.00315.28
7.0.160.0070.00715.44
7.0.150.0060.00315.41
7.0.140.0040.04218.55
7.0.130.0030.01315.32
7.0.120.0000.00915.31
7.0.110.0050.00515.23
7.0.100.0040.01115.08
7.0.90.0040.00415.38
7.0.80.0000.01314.95
7.0.70.0100.04218.47
7.0.60.0070.04318.51
7.0.50.0020.04918.61
7.0.40.0030.04716.79
7.0.30.0050.03116.79
7.0.20.0040.02216.71
7.0.10.0080.02216.73
7.0.00.0080.02716.79
5.6.400.0000.00914.30
5.6.390.0090.00614.19
5.6.380.0000.01414.07
5.6.370.0070.00314.38
5.6.360.0030.01114.07
5.6.350.0030.00714.27
5.6.340.0100.00314.18
5.6.330.0040.01113.76
5.6.320.0080.00414.23
5.6.310.0030.01014.34
5.6.300.0060.00613.95
5.6.290.0070.00714.21
5.6.280.0030.04317.62
5.6.270.0030.00714.23
5.6.260.0000.01614.02
5.6.250.0030.01114.25
5.6.240.0000.01314.19
5.6.230.0050.00514.04
5.6.220.0080.04017.54
5.6.210.0110.03017.37
5.6.200.0050.04417.75
5.6.190.0070.04417.64
5.6.180.0010.02717.59
5.6.170.0030.02517.59
5.6.160.0080.04217.66
5.6.150.0050.04117.57
5.6.140.0020.03717.58
5.6.130.0050.04317.54
5.6.120.0060.04517.70
5.6.110.0050.03817.69
5.6.100.0070.04417.49
5.6.90.0050.04417.47
5.6.80.0050.03717.30
5.6.70.0070.03317.36
5.6.60.0070.03417.37
5.6.50.0020.04917.12
5.6.40.0090.04117.28
5.6.30.0090.04017.26
5.6.20.0110.04017.31
5.6.10.0100.04017.43
5.6.00.0130.03817.26
5.5.380.0000.01313.99
5.5.370.0000.01513.86
5.5.360.0100.04217.32
5.5.350.0030.04117.23
5.5.340.0080.03017.42
5.5.330.0020.03917.33
5.5.320.0030.02317.38
5.5.310.0000.02917.53
5.5.300.0040.03317.50
5.5.290.0060.03917.34
5.5.280.0020.03117.52
5.5.270.0070.04517.40
5.5.260.0030.03517.52
5.5.250.0060.03917.35
5.5.240.0040.04217.00
5.5.230.0070.04517.03
5.5.220.0150.03317.22
5.5.210.0080.03517.13
5.5.200.0000.04517.17
5.5.190.0020.04616.96
5.5.180.0100.03317.08
5.5.170.0090.00614.15
5.5.160.0050.04817.11
5.5.150.0100.04117.16
5.5.140.0080.03817.18
5.5.130.0040.03917.05
5.5.120.0060.04117.18
5.5.110.0120.03816.95
5.5.100.0020.04717.13
5.5.90.0050.04517.00
5.5.80.0130.03517.01
5.5.70.0080.03816.87
5.5.60.0120.03817.21
5.5.50.0070.03417.15
5.5.40.0090.03717.06
5.5.30.0000.04416.80
5.5.20.0090.02016.93
5.5.10.0020.04416.96
5.5.00.0050.02716.94
5.4.450.0070.03715.04
5.4.440.0030.02515.03
5.4.430.0050.03815.13
5.4.420.0050.03315.12
5.4.410.0020.03715.15
5.4.400.0050.03715.04
5.4.390.0000.03614.88
5.4.380.0060.03414.82
5.4.370.0030.04015.00
5.4.360.0050.03915.03
5.4.350.0080.04014.79
5.4.340.0080.03714.88
5.4.330.0000.00810.89
5.4.320.0000.04514.85
5.4.310.0140.03514.96
5.4.300.0100.03014.89
5.4.290.0050.03514.95
5.4.280.0050.03814.94
5.4.270.0070.04014.92
5.4.260.0150.02714.95
5.4.250.0020.04414.94
5.4.240.0020.03615.00
5.4.230.0070.02614.88
5.4.220.0070.03714.93
5.4.210.0030.04314.96
5.4.200.0100.03014.89
5.4.190.0020.03214.96
5.4.180.0050.02114.80
5.4.170.0020.03514.91
5.4.160.0020.02514.93
5.4.150.0040.02014.90
5.4.140.0030.02013.50
5.4.130.0020.02013.66
5.4.120.0000.02413.65
5.4.110.0020.02113.68
5.4.100.0000.02213.65
5.4.90.0020.02213.57
5.4.80.0030.01813.55
5.4.70.0030.01513.65
5.4.60.0030.02213.50
5.4.50.0020.01713.55
5.4.40.0020.02013.67
5.4.30.0000.02013.52
5.4.20.0000.02013.53
5.4.10.0080.01513.58
5.4.00.0030.02013.28
5.3.290.0020.04512.72
5.3.280.0050.02812.63
5.3.270.0000.03712.66
5.3.260.0020.02312.60
5.3.250.0020.02312.62
5.3.240.0020.02312.64
5.3.230.0060.01812.68
5.3.220.0040.02912.63
5.3.210.0030.02512.66
5.3.200.0020.02412.60
5.3.190.0050.01512.67
5.3.180.0000.02012.66
5.3.170.0000.02112.66
5.3.160.0000.02012.66
5.3.150.0060.01512.60
5.3.140.0020.01712.64
5.3.130.0040.01912.61
5.3.120.0030.02312.57
5.3.110.0020.02212.58
5.3.100.0030.02012.33
5.3.90.0020.02012.31
5.3.80.0040.01812.28
5.3.70.0020.02112.37
5.3.60.0050.01412.37
5.3.50.0030.01812.33
5.3.40.0030.02012.34
5.3.30.0020.01812.34
5.3.20.0050.01612.16
5.3.10.0010.01612.21
5.3.00.0030.01712.19
5.2.170.0030.02011.01
5.2.160.0000.04011.18
5.2.150.0000.03011.09
5.2.140.0000.02710.96
5.2.130.0000.02311.05
5.2.120.0000.02311.10
5.2.110.0000.03011.09
5.2.100.0000.02710.91
5.2.90.0000.03010.91
5.2.80.0000.03011.04
5.2.70.0000.02711.13
5.2.60.0000.02311.04
5.2.50.0030.02711.09
5.2.40.0000.02310.85
5.2.30.0030.02710.83
5.2.20.0000.02311.00
5.2.10.0000.02310.80
5.2.00.0000.02310.80
5.1.60.0030.01710.80
5.1.50.0000.02310.80
5.1.40.0000.02010.80
5.1.30.0000.02710.80
5.1.20.0030.02010.80
5.1.10.0070.02010.80
5.1.00.0030.01710.80
5.0.50.0000.02010.80
5.0.40.0000.02010.80
5.0.30.0030.02310.80
5.0.20.0030.01310.80
5.0.10.0000.01710.80
5.0.00.0000.02710.80
4.4.90.0000.01310.80
4.4.80.0000.01310.80
4.4.70.0030.01310.80
4.4.60.0000.01710.80
4.4.50.0030.01010.80
4.4.40.0000.02010.80
4.4.30.0000.01310.80
4.4.20.0000.01710.80
4.4.10.0000.01310.80
4.4.00.0000.02710.80
4.3.110.0000.01310.80
4.3.100.0000.01310.80
4.3.90.0000.01310.80
4.3.80.0030.02310.80
4.3.70.0000.01310.80
4.3.60.0030.01310.80
4.3.50.0000.01310.80
4.3.40.0000.02310.80
4.3.30.0030.01010.80
4.3.20.0000.01310.80
4.3.10.0000.01310.80
4.3.00.0030.01010.80

preferences:
42.09 ms | 401 KiB | 5 Q