3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strwidth("カタカナ", "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)
8.3.60.0110.00418.17
8.3.50.0180.00717.80
8.3.40.0070.00718.71
8.3.30.0140.00018.95
8.3.20.0040.01120.10
8.3.10.0060.00323.71
8.3.00.0080.00019.19
8.2.180.0030.01218.18
8.2.170.0070.00722.96
8.2.160.0140.00421.97
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0060.00321.12
8.2.110.0090.00020.44
8.2.100.0040.00717.59
8.2.90.0030.00617.75
8.2.80.0040.00417.97
8.2.70.0080.00017.91
8.2.60.0080.00017.70
8.2.50.0030.00618.10
8.2.40.0030.00619.36
8.2.30.0000.00719.07
8.2.20.0040.00417.54
8.2.10.0040.00417.96
8.2.00.0070.00017.64
8.1.280.0110.00625.92
8.1.270.0080.00018.74
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.01020.52
8.1.230.0070.00422.74
8.1.220.0080.00017.74
8.1.210.0070.00518.77
8.1.200.0030.00617.00
8.1.190.0080.00017.10
8.1.180.0060.00318.87
8.1.170.0040.00418.47
8.1.160.0000.00719.02
8.1.150.0030.00318.82
8.1.140.0040.00417.38
8.1.130.0030.00317.74
8.1.120.0040.00417.30
8.1.110.0040.00417.29
8.1.100.0070.00017.28
8.1.90.0030.00317.27
8.1.80.0030.00617.39
8.1.70.0000.00717.40
8.1.60.0050.00317.57
8.1.50.0030.00617.41
8.1.40.0040.00417.49
8.1.30.0050.00317.57
8.1.20.0040.00417.48
8.1.10.0040.00417.33
8.1.00.0030.00517.39
8.0.300.0070.00019.91
8.0.290.0020.00516.63
8.0.280.0030.00318.38
8.0.270.0040.00417.12
8.0.260.0030.00317.20
8.0.250.0030.00316.82
8.0.240.0000.00616.91
8.0.230.0070.00016.85
8.0.220.0030.00316.87
8.0.210.0000.00716.88
8.0.200.0070.00016.88
8.0.190.0040.00416.78
8.0.180.0040.00416.87
8.0.170.0000.00716.81
8.0.160.0040.00416.73
8.0.150.0030.00516.83
8.0.140.0070.00016.79
8.0.130.0000.00613.16
8.0.120.0030.00616.84
8.0.110.0040.00416.82
8.0.100.0040.00416.87
8.0.90.0040.00416.73
8.0.80.0070.01416.71
8.0.70.0040.00416.88
8.0.60.0040.00416.83
8.0.50.0070.00016.76
8.0.30.0120.00916.89
8.0.20.0070.01117.40
8.0.10.0070.00016.77
8.0.00.0110.00716.54
7.4.330.0000.00515.09
7.4.320.0040.00416.58
7.4.300.0000.00616.52
7.4.290.0030.00316.52
7.4.280.0060.00316.42
7.4.270.0040.00416.43
7.4.260.0000.00716.51
7.4.250.0070.00016.51
7.4.240.0020.00516.48
7.4.230.0070.00016.64
7.4.220.0120.00616.58
7.4.210.0030.01216.38
7.4.200.0070.00016.60
7.4.160.0030.01016.24
7.4.150.0090.00917.40
7.4.140.0140.00317.86
7.4.130.0050.01216.42
7.4.120.0100.00716.48
7.4.110.0120.00616.25
7.4.100.0100.00716.28
7.4.90.0090.00916.55
7.4.80.0130.00719.39
7.4.70.0060.01016.33
7.4.60.0100.00716.44
7.4.50.0030.00516.15
7.4.40.0060.00916.37
7.4.30.0100.00716.42
7.4.00.0020.01514.86
7.3.330.0050.00013.04
7.3.320.0000.00513.09
7.3.310.0030.00316.13
7.3.300.0060.00016.19
7.3.290.0050.01216.21
7.3.280.0050.01116.20
7.3.270.0120.00417.40
7.3.260.0120.00616.41
7.3.250.0120.00516.29
7.3.240.0070.00916.05
7.3.230.0030.01216.39
7.3.210.0050.01116.46
7.3.200.0090.00819.39
7.3.190.0070.00716.48
7.3.180.0070.00816.27
7.3.170.0070.01016.27
7.3.160.0150.00816.23
7.3.120.0090.00914.69
7.3.110.0030.01514.55
7.3.100.0000.01614.77
7.3.90.0060.00614.42
7.3.80.0040.01214.29
7.3.70.0080.00414.73
7.3.60.0090.00614.73
7.3.50.0070.01014.70
7.3.40.0130.00314.29
7.3.30.0040.01114.43
7.3.20.0060.00316.44
7.3.10.0120.00316.37
7.3.00.0030.01016.54
7.2.330.0130.00316.30
7.2.320.0090.01216.28
7.2.310.0060.01116.37
7.2.300.0070.01016.30
7.2.290.0080.01116.51
7.2.250.0090.00914.65
7.2.240.0100.01014.87
7.2.230.0170.00015.01
7.2.220.0030.01014.87
7.2.210.0090.00915.00
7.2.200.0060.00614.91
7.2.190.0070.01014.89
7.2.180.0090.00314.52
7.2.170.0100.00714.64
7.2.60.0140.00016.69
7.2.00.0030.00919.23
7.1.330.0060.00615.72
7.1.320.0000.01415.71
7.1.310.0030.01315.77
7.1.300.0070.00715.50
7.1.290.0100.00715.84
7.1.280.0090.00315.45
7.1.270.0000.00915.86
7.1.260.0030.01015.60
7.1.200.0040.00815.76
7.1.100.0030.01317.89
7.1.70.0030.00316.95
7.1.60.0110.00719.22
7.1.50.0000.01116.96
7.1.00.0030.07722.40
7.0.200.0040.00416.64
7.0.140.0070.06722.10
7.0.60.0170.07321.65
7.0.50.0100.08317.80
7.0.40.0100.05019.96
7.0.30.0530.07720.00
7.0.20.0300.07720.01
7.0.10.0000.05020.13
7.0.00.0000.04720.12
5.6.280.0070.07020.92
5.6.210.0270.06320.64
5.6.200.0030.05318.23
5.6.190.0100.03720.77
5.6.180.0130.08720.45
5.6.170.0230.04720.38
5.6.160.0070.06020.50
5.6.150.0100.08318.13
5.6.140.0130.05718.21
5.6.130.0070.04018.20
5.6.120.0070.04721.01
5.6.110.0000.04721.00
5.6.100.0130.05721.03
5.6.90.0070.08320.96
5.6.80.0030.03720.37
5.5.350.0200.08020.38
5.5.340.0170.07718.02
5.5.330.0030.04320.07
5.5.320.0170.06320.27
5.5.310.0270.03720.30
5.5.300.0170.04017.97
5.5.290.0170.07017.95
5.5.280.0030.04720.89
5.5.270.0070.07020.87
5.5.260.0130.05020.96
5.5.250.0070.08020.45
5.5.240.0370.06720.18
5.4.450.0170.05019.45
5.4.440.0770.06019.49
5.4.430.0670.06319.25
5.4.420.0630.05319.17
5.4.410.0700.05719.36
5.4.400.0770.06719.05
5.4.390.0700.05319.09
5.4.380.0470.06318.60
5.4.370.0300.07018.66
5.4.360.0370.06018.48
5.4.350.0230.06718.70
5.4.340.0370.05718.48
5.4.320.0470.04718.64
5.4.310.0230.06318.68
5.4.300.0430.05718.68
5.4.290.0400.05318.57
5.4.280.0400.07318.71
5.4.270.0430.06718.68
5.4.260.0230.06718.51
5.4.250.0230.06718.71
5.4.240.0270.07718.63
5.4.230.0530.06018.58
5.4.220.0500.07318.55
5.4.210.0170.07018.57
5.4.200.0300.05016.73
5.4.190.0470.04718.63
5.4.180.0370.05718.70
5.4.170.0500.07718.50
5.4.160.0430.06018.61
5.4.150.0400.05018.57
5.4.140.0400.05316.07
5.4.130.0430.05316.14
5.4.120.0300.08016.26
5.4.110.0430.06316.16
5.4.100.0400.06016.21
5.4.90.0530.06316.19
5.4.80.0370.06316.02
5.4.70.0270.06016.17
5.4.60.0400.04716.03
5.4.50.0470.05716.13
5.4.40.0470.05316.05
5.4.30.0430.06716.22
5.4.20.0470.06016.09
5.4.10.0300.07016.31
5.4.00.0300.06715.67
5.3.290.0330.05014.64
5.3.280.0300.06314.66
5.3.270.0270.09014.60
5.3.260.0400.06014.70
5.3.250.0430.08014.51
5.3.240.0430.07714.65
5.3.230.0370.05314.59
5.3.220.0430.06714.54
5.3.210.0400.05314.51
5.3.200.0170.06314.68
5.3.190.0370.06014.47
5.3.180.0300.05314.50
5.3.170.0400.06314.63
5.3.160.0470.05714.59
5.3.150.0370.05014.49
5.3.140.0600.06314.60
5.3.130.0370.06714.64
5.3.120.0570.06714.64
5.3.110.0570.06314.57
5.3.100.0430.04713.98
5.3.90.0470.04714.02
5.3.80.0430.05714.00
5.3.70.0530.06314.01
5.3.60.0470.04314.07
5.3.50.0530.05713.83
5.3.40.0370.05013.89
5.3.30.0300.05313.88
5.3.20.0530.04313.66
5.3.10.0400.06713.74
5.3.00.0270.06013.61
5.2.170.0300.06311.11
5.2.160.0370.03711.20
5.2.150.0400.05011.11
5.2.140.0270.05011.13
5.2.130.0400.03311.13
5.2.120.0330.04711.07
5.2.110.0230.04711.18
5.2.100.0230.04311.05
5.2.90.0430.04011.16
5.2.80.0430.05711.25
5.2.70.0330.03711.13
5.2.60.0230.06011.09
5.2.50.0230.06710.93
5.2.40.0200.04711.14
5.2.30.0230.04011.00
5.2.20.0330.05011.09
5.2.10.0330.04710.88
5.2.00.0370.03710.76
5.1.60.0400.03710.02
5.1.50.0530.04710.10
5.1.40.0230.05310.00
5.1.30.0200.05310.35
5.1.20.0330.04310.40
5.1.10.0230.04710.11
5.1.00.0230.04310.13
5.0.50.0100.0338.60
5.0.40.0170.0238.52
5.0.30.0130.0578.36
5.0.20.0230.0278.21
5.0.10.0170.0338.26
5.0.00.0130.0438.18
4.4.90.0100.0336.64
4.4.80.0130.0306.64
4.4.70.0070.0306.64
4.4.60.0130.0276.64
4.4.50.0170.0276.64
4.4.40.0100.0376.64
4.4.30.0070.0306.64
4.4.20.0130.0206.64
4.4.10.0070.0276.64
4.4.00.0130.0376.64
4.3.110.0130.0236.64
4.3.100.0100.0206.64
4.3.90.0070.0236.64
4.3.80.0130.0306.64
4.3.70.0100.0206.64
4.3.60.0070.0236.64
4.3.50.0170.0176.64
4.3.40.0070.0436.64
4.3.30.0170.0176.64
4.3.20.0070.0236.64
4.3.10.0170.0206.64
4.3.00.0130.0207.30

preferences:
44.14 ms | 400 KiB | 5 Q