3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strwidth("#", "UTF-8")); var_dump(mb_strwidth("$", "UTF-8")); var_dump(mb_strwidth("&", "UTF-8")); var_dump(mb_strwidth("①", "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)
8.3.60.0040.01116.50
8.3.50.0070.01018.18
8.3.40.0110.00418.46
8.3.30.0030.01018.68
8.3.20.0080.00620.21
8.3.10.0000.00723.53
8.3.00.0000.00818.89
8.2.180.0120.00616.50
8.2.170.0070.00722.96
8.2.160.0080.00821.94
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00926.16
8.2.120.0060.00320.93
8.2.110.0060.00320.52
8.2.100.0090.00317.78
8.2.90.0030.00517.60
8.2.80.0030.00518.52
8.2.70.0000.00817.80
8.2.60.0000.00718.03
8.2.50.0090.00018.10
8.2.40.0110.00019.12
8.2.30.0000.00719.02
8.2.20.0040.00417.51
8.2.10.0000.00717.91
8.2.00.0050.00217.47
8.1.280.0120.00325.92
8.1.270.0030.00518.80
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.59
8.1.230.0060.00622.57
8.1.220.0040.00417.74
8.1.210.0050.00318.77
8.1.200.0000.00817.23
8.1.190.0040.00417.00
8.1.180.0040.00419.03
8.1.170.0040.00418.38
8.1.160.0050.00318.89
8.1.150.0020.00518.81
8.1.140.0040.00417.29
8.1.130.0030.00317.66
8.1.120.0000.01017.45
8.1.110.0000.00817.37
8.1.100.0000.00717.40
8.1.90.0030.00517.45
8.1.80.0030.00617.40
8.1.70.0040.00417.40
8.1.60.0030.00517.41
8.1.50.0030.00517.45
8.1.40.0030.00617.38
8.1.30.0030.00617.54
8.1.20.0040.00417.50
8.1.10.0000.00717.35
8.1.00.0040.00417.27
8.0.300.0040.00418.77
8.0.290.0080.00016.63
8.0.280.0000.00718.28
8.0.270.0040.00417.23
8.0.260.0060.00017.18
8.0.250.0030.00316.88
8.0.240.0000.00616.91
8.0.230.0030.00316.82
8.0.220.0030.00316.90
8.0.210.0070.00016.88
8.0.200.0040.00416.84
8.0.190.0040.00416.84
8.0.180.0000.00716.75
8.0.170.0030.00416.86
8.0.160.0000.00716.87
8.0.150.0000.00816.66
8.0.140.0050.00316.69
8.0.130.0030.00313.23
8.0.120.0030.00516.67
8.0.110.0040.00416.65
8.0.100.0000.00716.83
8.0.90.0000.00716.61
8.0.80.0080.00816.82
8.0.70.0040.00316.79
8.0.60.0040.00416.77
8.0.50.0070.00016.70
8.0.30.0070.01416.94
8.0.20.0080.01117.40
8.0.10.0040.00416.84
8.0.00.0110.00816.57
7.4.330.0000.00515.03
7.4.320.0000.00616.41
7.4.300.0030.00316.33
7.4.290.0030.00316.32
7.4.280.0050.00316.54
7.4.270.0070.00016.45
7.4.260.0030.00316.44
7.4.250.0050.00216.48
7.4.240.0020.00516.53
7.4.230.0000.00716.22
7.4.220.0060.01316.48
7.4.210.0080.00816.37
7.4.200.0070.00016.46
7.4.160.0120.00416.29
7.4.150.0060.01217.40
7.4.140.0120.00517.86
7.4.130.0120.00616.37
7.4.120.0110.00816.47
7.4.110.0140.00416.49
7.4.100.0130.00416.51
7.4.90.0120.00616.16
7.4.80.0110.01219.39
7.4.70.0070.01016.30
7.4.60.0120.00416.34
7.4.50.0000.00516.49
7.4.40.0100.00616.09
7.4.30.0100.01316.59
7.4.00.0030.01415.06
7.3.330.0060.00013.04
7.3.320.0030.00313.04
7.3.310.0000.00716.28
7.3.300.0000.00616.21
7.3.290.0060.00916.19
7.3.280.0050.01216.24
7.3.270.0060.01217.40
7.3.260.0090.00916.27
7.3.250.0100.00816.21
7.3.240.0060.01116.09
7.3.230.0070.01016.39
7.3.210.0120.00616.13
7.3.200.0070.01119.39
7.3.190.0130.00316.30
7.3.180.0090.00616.39
7.3.170.0090.00916.27
7.3.160.0080.00816.49
7.3.10.0070.01016.49
7.3.00.0030.00716.48
7.2.330.0240.01216.61
7.2.320.0120.00616.24
7.2.310.0100.00716.57
7.2.300.0100.00616.26
7.2.290.0130.01016.40
7.2.130.0120.00516.66
7.2.120.0090.00316.53
7.2.110.0090.00516.63
7.2.100.0070.00516.50
7.2.90.0060.00516.54
7.2.80.0090.00916.50
7.2.70.0070.00716.63
7.2.60.0050.01016.65
7.2.50.0130.00416.49
7.2.40.0080.00716.56
7.2.30.0040.00716.55
7.2.20.0090.00616.65
7.2.10.0070.00516.78
7.2.00.0040.01117.48
7.1.250.0070.00415.58
7.1.100.0060.00917.97
7.1.70.0080.00016.73
7.1.60.0030.02119.22
7.1.50.0060.00916.78
7.1.00.0000.08022.57
7.0.200.0000.00916.56
7.0.140.0070.05722.09
7.0.60.0130.07319.91
7.0.50.0100.07017.81
7.0.40.0070.08720.07
7.0.30.0370.04720.18
7.0.20.0330.07320.20
7.0.10.0000.04720.10
7.0.00.0070.08320.04
5.6.280.0100.07020.91
5.6.210.0000.04320.50
5.6.200.0200.07018.18
5.6.190.0100.05020.45
5.6.180.0370.04320.77
5.6.170.0370.07020.71
5.6.160.0100.08320.52
5.6.150.0070.05318.22
5.6.140.0070.05718.20
5.6.130.0030.07718.17
5.6.120.0070.08321.01
5.6.110.0130.07720.95
5.6.100.0070.08021.08
5.6.90.0030.04720.95
5.6.80.0030.08320.40
5.5.350.0270.07020.42
5.5.340.0030.06018.02
5.5.330.0070.05020.13
5.5.320.0330.03320.32
5.5.310.0300.05320.41
5.5.300.0070.08018.00
5.5.290.0100.05318.02
5.5.280.0100.08020.77
5.5.270.0000.04320.88
5.5.260.0070.09020.75
5.5.250.0070.05320.68
5.5.240.0070.03320.16
5.4.450.0130.07019.29
5.4.440.0870.04719.33
5.4.430.0670.05319.37
5.4.420.0100.05319.46
5.4.410.0070.05719.38
5.4.400.0570.05719.03
5.4.390.0600.04718.80
5.4.380.0370.06318.46
5.4.370.0300.05318.65
5.4.360.0270.05718.48
5.4.350.0270.05718.49
5.4.340.0270.06018.57
5.4.320.0370.05318.67
5.4.310.0330.06318.55
5.4.300.0400.07318.48
5.4.290.0400.05318.46
5.4.280.0330.05718.51
5.4.270.0600.05318.60
5.4.260.0330.06318.44
5.4.250.0430.06318.51
5.4.240.0370.05018.57
5.4.230.0470.05718.47
5.4.220.0500.07018.64
5.4.210.0300.05018.55
5.4.200.0430.05716.50
5.4.190.0200.06318.62
5.4.180.0400.07018.62
5.4.170.0300.05718.50
5.4.160.0400.07318.46
5.4.150.0330.05718.61
5.4.140.0330.06016.16
5.4.130.0370.04716.27
5.4.120.0300.07015.96
5.4.110.0230.06016.13
5.4.100.0430.06316.27
5.4.90.0230.06316.25
5.4.80.0370.04716.23
5.4.70.0270.05716.05
5.4.60.0330.06716.29
5.4.50.0300.05716.28
5.4.40.0270.08716.27
5.4.30.0130.06016.05
5.4.20.0170.05716.09
5.4.10.0400.05716.00
5.4.00.0300.05715.54
5.3.290.0400.05714.63
5.3.280.0370.05314.58
5.3.270.0430.07314.70
5.3.260.0230.07014.67
5.3.250.0330.05314.58
5.3.240.0270.06314.67
5.3.230.0370.05714.57
5.3.220.0400.07014.55
5.3.210.0330.05314.54
5.3.200.0270.05314.65
5.3.190.0470.05014.47
5.3.180.0700.04714.63
5.3.170.0370.06014.63
5.3.160.0370.07014.56
5.3.150.0430.06014.56
5.3.140.0530.06014.53
5.3.130.0330.06714.55
5.3.120.0300.06014.49
5.3.110.0330.06014.49
5.3.100.0300.05713.93
5.3.90.0430.04314.01
5.3.80.0300.05014.00
5.3.70.0330.05013.92
5.3.60.0300.05714.10
5.3.50.0430.04313.92
5.3.40.0400.05714.05
5.3.30.0400.05013.89
5.3.20.0230.05713.66
5.3.10.0400.05013.63
5.3.00.0400.04713.58
5.2.170.0270.04011.30
5.2.160.0170.04711.16
5.2.150.0230.04711.20
5.2.140.0400.05711.11
5.2.130.0300.05711.05
5.2.120.0330.03311.07
5.2.110.0300.05711.01
5.2.100.0430.04311.08
5.2.90.0330.04011.06
5.2.80.0200.05011.01
5.2.70.0230.06011.09
5.2.60.0270.04311.03
5.2.50.0400.06011.00
5.2.40.0270.04011.02
5.2.30.0170.05010.92
5.2.20.0300.04310.87
5.2.10.0400.04010.83
5.2.00.0230.06010.75
5.1.60.0270.04010.09
5.1.50.0300.03010.06
5.1.40.0230.03710.09
5.1.30.0230.05010.34
5.1.20.0430.04310.38
5.1.10.0230.04310.08
5.1.00.0200.04010.05
5.0.50.0200.0238.58
5.0.40.0170.0338.40
5.0.30.0200.0478.26
5.0.20.0130.0278.23
5.0.10.0130.0408.37
5.0.00.0200.0408.25
4.4.90.0070.0276.64
4.4.80.0200.0136.64
4.4.70.0200.0206.64
4.4.60.0230.0176.64
4.4.50.0130.0236.64
4.4.40.0200.0336.64
4.4.30.0100.0276.64
4.4.20.0130.0206.64
4.4.10.0130.0276.64
4.4.00.0070.0436.64
4.3.110.0130.0206.64
4.3.100.0100.0276.64
4.3.90.0170.0176.64
4.3.80.0130.0406.64
4.3.70.0070.0236.64
4.3.60.0130.0236.64
4.3.50.0170.0236.64
4.3.40.0070.0376.64
4.3.30.0070.0206.64
4.3.20.0030.0236.64
4.3.10.0070.0236.64
4.3.00.0100.0237.30

preferences:
42.33 ms | 400 KiB | 5 Q