3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '漢字仮名交じり文'; echo "strlen: " . strlen($s) . "\n"; echo "mb_strlen: " . mb_strlen ($s, 'utf-8');

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)
8.3.70.0160.00316.50
8.3.60.0140.00716.75
8.3.50.0070.01122.04
8.3.40.0140.00018.51
8.3.30.0090.00619.09
8.3.20.0000.00820.09
8.3.10.0070.00023.48
8.3.00.0000.00820.58
8.2.190.0130.00618.29
8.2.180.0100.01016.50
8.2.170.0110.00722.96
8.2.160.0140.00022.12
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00022.13
8.2.110.0040.00720.38
8.2.100.0090.00317.66
8.2.90.0050.00319.05
8.2.80.0080.00017.97
8.2.70.0000.00817.63
8.2.60.0070.00317.93
8.2.50.0050.00318.07
8.2.40.0030.00518.22
8.2.30.0000.00717.96
8.2.20.0050.00317.54
8.2.10.0030.00517.67
8.2.00.0040.00417.78
8.1.280.0030.01425.92
8.1.270.0040.00423.97
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0050.00323.97
8.1.230.0040.00817.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.35
8.1.190.0070.00317.30
8.1.180.0050.00318.10
8.1.170.0030.00518.56
8.1.160.0000.00722.00
8.1.150.0000.00718.62
8.1.140.0000.00717.31
8.1.130.0030.00317.43
8.1.120.0000.00717.50
8.1.110.0000.00817.48
8.1.100.0030.00317.43
8.1.90.0050.00217.34
8.1.80.0030.00317.35
8.1.70.0000.00617.38
8.1.60.0090.00017.61
8.1.50.0090.00017.52
8.1.40.0040.00417.49
8.1.30.0030.00617.66
8.1.20.0040.00417.61
8.1.10.0040.00417.49
8.1.00.0000.00717.35
8.0.300.0030.00618.77
8.0.290.0000.00716.75
8.0.280.0030.00318.56
8.0.270.0030.00317.31
8.0.260.0000.00616.98
8.0.250.0000.00716.97
8.0.240.0040.00416.98
8.0.230.0040.00417.04
8.0.220.0070.00016.92
8.0.210.0070.00016.95
8.0.200.0040.00416.95
8.0.190.0050.00517.03
8.0.180.0040.00416.86
8.0.170.0030.00517.01
8.0.160.0040.00416.88
8.0.150.0000.00716.93
8.0.140.0080.00016.79
8.0.130.0050.00013.43
8.0.120.0000.00716.87
8.0.110.0030.00516.96
8.0.100.0000.00716.77
8.0.90.0000.00716.95
8.0.80.0030.01216.86
8.0.70.0050.00316.99
8.0.60.0040.00416.77
8.0.50.0050.00216.95
8.0.30.0110.00816.97
8.0.20.0150.00617.40
8.0.10.0020.00516.90
8.0.00.0090.01116.59
7.4.330.0000.00515.13
7.4.320.0050.00216.59
7.4.300.0070.00016.47
7.4.290.0000.00716.41
7.4.280.0070.00316.50
7.4.270.0000.00716.44
7.4.260.0000.00716.53
7.4.250.0030.00516.50
7.4.240.0040.00316.49
7.4.230.0000.00716.41
7.4.220.0070.01016.33
7.4.210.0100.00416.56
7.4.200.0040.00216.55
7.4.190.0000.00716.29
7.4.160.0180.00016.18
7.4.150.0130.00717.40
7.4.140.0130.00717.86
7.4.130.0130.00316.55
7.4.120.0100.00716.47
7.4.110.0100.00716.55
7.4.100.0210.00316.55
7.4.90.0070.01016.42
7.4.80.0130.00616.37
7.4.70.0030.01816.45
7.4.60.0070.01016.28
7.4.50.0040.00416.60
7.4.40.0040.01122.77
7.4.30.0030.01416.19
7.4.10.0080.00814.88
7.4.00.0120.00314.85
7.3.330.0000.00513.10
7.3.320.0020.00213.00
7.3.310.0000.00716.09
7.3.300.0000.00716.16
7.3.290.0110.00416.19
7.3.280.0080.01016.28
7.3.270.0210.00017.40
7.3.260.0140.00316.49
7.3.250.0120.00816.56
7.3.240.0030.01316.59
7.3.230.0100.00616.43
7.3.210.0090.00616.52
7.3.200.0140.00919.39
7.3.190.0100.01016.31
7.3.180.0120.00816.53
7.3.170.0000.01816.57
7.3.160.0030.01316.66
7.3.130.0080.00815.03
7.3.120.0020.01514.83
7.3.110.0070.01115.08
7.3.100.0070.00715.00
7.3.90.0120.00314.84
7.3.80.0080.00414.81
7.3.70.0080.00514.92
7.3.60.0040.01214.89
7.3.50.0040.00814.78
7.3.40.0120.00014.74
7.3.30.0000.00914.61
7.3.20.0030.01016.72
7.3.10.0060.00616.75
7.3.00.0030.00616.75
7.2.330.0030.01316.50
7.2.320.0150.00316.64
7.2.310.0080.00816.58
7.2.300.0110.00716.38
7.2.290.0130.00316.45
7.2.260.0130.00614.99
7.2.250.0070.01015.11
7.2.240.0000.01514.52
7.2.230.0120.00314.89
7.2.220.0120.00415.21
7.2.210.0000.01515.06
7.2.200.0030.00614.99
7.2.190.0170.00015.18
7.2.180.0000.01114.84
7.2.170.0090.00615.11
7.2.160.0000.01114.75
7.2.150.0100.00717.01
7.2.140.0040.01116.94
7.2.130.0030.00816.87
7.2.120.0040.01117.02
7.2.110.0000.00916.73
7.2.100.0040.00816.86
7.2.90.0000.01616.82
7.2.80.0090.00316.95
7.2.70.0030.01316.92
7.2.60.0060.00516.91
7.2.50.0090.00616.79
7.2.40.0060.00916.63
7.2.30.0060.00916.76
7.2.20.0100.01016.93
7.2.10.0040.01416.75
7.2.00.0060.00818.05
7.1.330.0090.00615.72
7.1.320.0030.00915.63
7.1.310.0060.00915.87
7.1.300.0080.00615.70
7.1.290.0040.00815.59
7.1.280.0060.00615.91
7.1.270.0080.00415.71
7.1.260.0030.00815.79
7.1.250.0030.01015.71
7.1.240.0070.00715.75
7.1.230.0040.00815.88
7.1.220.0000.01715.67
7.1.210.0000.01515.83
7.1.200.0070.00315.90
7.1.190.0100.00315.46
7.1.180.0000.00915.94
7.1.170.0000.01415.40
7.1.160.0000.01115.54
7.1.150.0060.00615.84
7.1.140.0060.01315.65
7.1.130.0030.00615.76
7.1.120.0060.01015.43
7.1.110.0030.01015.88
7.1.100.0040.00816.81
7.1.90.0040.00815.70
7.1.80.0030.01015.75
7.1.70.0030.01016.59
7.1.60.0030.01517.52
7.1.50.0030.00916.44
7.1.40.0040.00415.73
7.1.30.0100.00715.76
7.1.20.0120.00615.84
7.1.10.0100.00615.72
7.1.00.0070.04018.87
7.0.330.0000.01215.54
7.0.320.0040.01415.17
7.0.310.0000.01415.36
7.0.300.0080.00315.41
7.0.290.0000.00915.47
7.0.280.0100.00615.06
7.0.270.0030.00715.32
7.0.260.0000.01215.04
7.0.250.0040.00815.65
7.0.240.0030.01015.39
7.0.230.0030.00615.37
7.0.220.0040.01115.33
7.0.210.0060.00315.41
7.0.200.0040.00915.95
7.0.190.0030.01015.44
7.0.180.0050.00315.41
7.0.170.0060.01015.56
7.0.160.0040.01115.31
7.0.150.0030.01315.48
7.0.140.0030.04118.79
7.0.130.0070.00715.65
7.0.120.0060.01015.32
7.0.110.0120.00615.34
7.0.100.0030.04317.75
7.0.90.0030.04017.71
7.0.80.0050.04517.68
7.0.70.0100.02517.53
7.0.60.0200.03017.50
7.0.50.0230.04018.01
7.0.40.0120.04216.75
7.0.30.0030.03916.68
7.0.20.0080.04316.66
7.0.10.0000.04916.80
7.0.00.0100.04116.86
5.6.400.0130.00314.32
5.6.390.0040.01114.32
5.6.380.0120.00614.46
5.6.370.0060.00914.40
5.6.360.0030.00914.27
5.6.350.0040.01114.54
5.6.340.0000.01414.36
5.6.330.0000.01114.27
5.6.320.0000.01114.40
5.6.310.0040.01114.32
5.6.300.0060.01214.19
5.6.290.0060.00914.43
5.6.280.0040.01114.35
5.6.270.0060.00914.38
5.6.260.0090.00614.26
5.6.250.0100.03817.52
5.6.240.0050.03417.51
5.6.230.0080.04517.44
5.6.220.0080.04217.38
5.6.210.0100.03717.42
5.6.200.0000.05217.65
5.6.190.0100.04217.74
5.6.180.0040.04517.60
5.6.170.0050.04917.56
5.6.160.0090.04217.63
5.6.150.0130.03817.48
5.6.140.0080.02517.65
5.6.130.0040.02917.76
5.6.120.0130.02317.74
5.6.110.0050.02417.53
5.6.100.0070.03517.54
5.6.90.0100.01717.59
5.6.80.0030.02717.22
5.6.70.0050.02517.36
5.6.60.0080.02217.31
5.6.50.0100.02017.32
5.6.40.0050.02217.30
5.6.30.0090.01817.35
5.6.20.0050.02417.18
5.6.10.0050.02217.38
5.6.00.0080.02817.27
5.5.380.0100.03817.29
5.5.370.0140.03417.46
5.5.360.0060.04317.30
5.5.350.0100.04317.30
5.5.340.0110.03817.54
5.5.330.0110.04117.33
5.5.320.0100.03717.65
5.5.310.0070.04217.50
5.5.300.0080.03617.48
5.5.290.0100.02917.60
5.5.280.0040.04317.47
5.5.270.0070.02417.46
5.5.260.0070.02317.30
5.5.250.0060.02417.21
5.5.240.0090.01916.91
5.5.230.0030.02416.90
5.5.220.0080.02117.12
5.5.210.0050.03017.14
5.5.200.0090.01817.20
5.5.190.0100.02217.00
5.5.180.0050.02917.18
5.5.170.0030.00914.18
5.5.160.0040.03417.09
5.5.150.0020.02717.27
5.5.140.0050.02017.00
5.5.130.0080.02117.17
5.5.120.0040.02217.09
5.5.110.0050.02217.14
5.5.100.0040.04417.13
5.5.90.0020.02517.21
5.5.80.0070.02716.93
5.5.70.0070.02217.15
5.5.60.0050.02017.03
5.5.50.0050.02317.23
5.5.40.0060.04517.15
5.5.30.0060.02216.91
5.5.20.0020.03117.03
5.5.10.0050.02617.00
5.5.00.0100.01517.11
5.4.450.0100.03715.11
5.4.440.0090.02915.25
5.4.430.0070.01815.15
5.4.420.0030.02615.21
5.4.410.0020.02514.97
5.4.400.0020.02215.14
5.4.390.0030.02115.03
5.4.380.0030.02214.86
5.4.370.0040.02215.10
5.4.360.0050.02415.12
5.4.350.0060.01915.01
5.4.340.0070.01915.01
5.4.330.0050.00310.94
5.4.320.0040.02214.96
5.4.310.0020.01915.05
5.4.300.0020.02514.95
5.4.290.0050.02114.97
5.4.280.0040.02415.03
5.4.270.0020.02315.04
5.4.260.0020.02315.04
5.4.250.0000.02515.03
5.4.240.0050.02315.17
5.4.230.0030.02215.00
5.4.220.0050.02314.87
5.4.210.0050.02215.03
5.4.200.0050.02514.96
5.4.190.0050.03014.95
5.4.180.0020.02414.95
5.4.170.0020.02414.94
5.4.160.0040.02115.08
5.4.150.0060.01815.01
5.4.140.0070.02913.61
5.4.130.0070.01513.63
5.4.120.0070.03813.53
5.4.110.0070.03813.69
5.4.100.0080.03213.64
5.4.90.0120.03313.69
5.4.80.0110.03013.69
5.4.70.0050.03813.64
5.4.60.0030.04313.68
5.4.50.0050.03513.63
5.4.40.0050.03813.60
5.4.30.0060.03913.75
5.4.20.0070.03513.66
5.4.10.0100.03013.65
5.4.00.0080.03413.26
5.3.290.0020.02212.73
5.3.280.0010.03112.77
5.3.270.0050.02112.75
5.3.260.0040.02412.72
5.3.250.0080.02312.69
5.3.240.0030.02712.70
5.3.230.0050.02012.75
5.3.220.0030.04012.73
5.3.210.0050.04012.74
5.3.200.0060.03512.66
5.3.190.0030.03812.67
5.3.180.0050.02512.74
5.3.170.0050.03712.73
5.3.160.0080.03612.70
5.3.150.0030.02612.68
5.3.140.0160.03212.72
5.3.130.0040.04312.66
5.3.120.0030.03112.71
5.3.110.0100.03612.71
5.3.100.0050.04112.48
5.3.90.0060.04012.46
5.3.80.0050.03212.47
5.3.70.0030.04112.41
5.3.60.0050.04212.40
5.3.50.0090.03212.40
5.3.40.0130.03712.37
5.3.30.0030.03812.39
5.3.20.0060.03812.19
5.3.10.0050.03312.30
5.3.00.0110.03012.28
5.2.170.0070.04311.00
5.2.160.0070.06011.13
5.2.150.0100.06011.19
5.2.140.0070.06311.16
5.2.130.0000.06711.16
5.2.120.0030.06010.96
5.2.110.0030.04311.05
5.2.100.0030.06311.16
5.2.90.0000.06010.93
5.2.80.0100.05310.92
5.2.70.0070.05710.93
5.2.60.0030.05711.04
5.2.50.0030.06710.88
5.2.40.0100.05310.81
5.2.30.0130.05310.75
5.2.20.0070.05010.91
5.2.10.0100.05310.88
5.2.00.0000.05710.75
5.1.60.0000.0339.99
5.1.50.0000.0639.99
5.1.40.0100.0479.96
5.1.30.0070.05310.23
5.1.20.0030.05010.48
5.1.10.0100.04310.13
5.1.00.0070.03310.09
5.0.50.0130.0308.38
5.0.40.0030.0438.29
5.0.30.0000.0708.26
5.0.20.0000.0478.27
5.0.10.0000.0238.24
5.0.00.0030.0508.23
4.4.90.0030.0378.09
4.4.80.0000.0378.09
4.4.70.0100.0308.09
4.4.60.0100.0308.09
4.4.50.0030.0378.09
4.4.40.0000.0538.09
4.4.30.0030.0308.09
4.4.20.0000.0278.09
4.4.10.0070.0308.09
4.4.00.0070.0538.09
4.3.110.0000.0378.09
4.3.100.0000.0338.09
4.3.90.0000.0278.09
4.3.80.0000.0378.09
4.3.70.0000.0378.09
4.3.60.0000.0238.09
4.3.50.0000.0378.09
4.3.40.0130.0378.09
4.3.30.0000.0278.09
4.3.20.0030.0378.09
4.3.10.0000.0378.09
4.3.00.0000.0308.09

preferences:
50.62 ms | 401 KiB | 5 Q