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("+", "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)
8.3.40.0090.01318.77
8.3.30.0100.00318.96
8.3.20.0040.00420.30
8.3.10.0070.00023.70
8.3.00.0000.00818.89
8.2.170.0140.00022.96
8.2.160.0090.00922.10
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00721.00
8.2.110.0030.00719.26
8.2.100.0040.00717.72
8.2.90.0060.00317.50
8.2.80.0080.00018.74
8.2.70.0000.01117.68
8.2.60.0030.00517.97
8.2.50.0040.00418.10
8.2.40.0060.00319.17
8.2.30.0000.00819.00
8.2.20.0000.00817.63
8.2.10.0000.00717.98
8.2.00.0040.00417.46
8.1.270.0060.00318.68
8.1.260.0040.00426.35
8.1.250.0050.00228.09
8.1.240.0090.00019.29
8.1.230.0070.00420.75
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0060.00317.11
8.1.190.0060.00317.00
8.1.180.0020.00518.75
8.1.170.0100.00018.65
8.1.160.0040.00418.99
8.1.150.0040.00418.82
8.1.140.0040.00417.39
8.1.130.0000.00717.77
8.1.120.0070.00317.38
8.1.110.0040.00417.28
8.1.100.0050.00317.41
8.1.90.0050.00317.30
8.1.80.0000.01017.32
8.1.70.0000.00717.42
8.1.60.0000.00717.50
8.1.50.0060.00317.45
8.1.40.0040.00417.43
8.1.30.0030.00517.61
8.1.20.0000.00717.42
8.1.10.0040.00417.32
8.1.00.0000.00717.22
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0000.00718.25
8.0.270.0000.00717.20
8.0.260.0000.00617.18
8.0.250.0030.00316.92
8.0.240.0000.00616.85
8.0.230.0040.00416.92
8.0.220.0000.00716.79
8.0.210.0040.00416.80
8.0.200.0000.00816.75
8.0.190.0030.00616.77
8.0.180.0040.00316.83
8.0.170.0000.00716.76
8.0.160.0000.00716.81
8.0.150.0060.00316.72
8.0.140.0000.00716.66
8.0.130.0000.00513.30
8.0.120.0040.00416.72
8.0.110.0040.00416.83
8.0.100.0000.00916.63
8.0.90.0050.00316.71
8.0.80.0060.00916.88
8.0.70.0030.00516.82
8.0.60.0040.00416.94
8.0.50.0000.00716.92
8.0.30.0070.01816.91
8.0.20.0090.01017.40
8.0.10.0070.00016.74
8.0.00.0090.01116.62
7.4.330.0000.00515.03
7.4.320.0000.00616.45
7.4.300.0030.00316.48
7.4.290.0000.00616.45
7.4.280.0040.00416.54
7.4.270.0070.00016.45
7.4.260.0000.00716.52
7.4.250.0000.00816.41
7.4.240.0050.00216.49
7.4.230.0000.00716.41
7.4.220.0000.01816.60
7.4.210.0060.01416.47
7.4.200.0030.00316.43
7.4.160.0090.00616.18
7.4.150.0090.00917.40
7.4.140.0100.01017.86
7.4.130.0080.00916.39
7.4.120.0090.00816.42
7.4.110.0180.00316.48
7.4.100.0090.00916.35
7.4.90.0060.00916.23
7.4.80.0100.00919.39
7.4.70.0120.00316.42
7.4.60.0060.01616.39
7.4.50.0000.00816.38
7.4.40.0080.00816.37
7.4.30.0120.00916.20
7.4.10.0100.00714.75
7.4.00.0040.01214.83
7.3.330.0050.00013.05
7.3.320.0050.00013.13
7.3.310.0070.00016.05
7.3.300.0030.00316.21
7.3.290.0060.01116.20
7.3.280.0140.00716.20
7.3.270.0130.00317.40
7.3.260.0070.01016.23
7.3.250.0100.00716.43
7.3.240.0070.01016.16
7.3.230.0140.00716.39
7.3.210.0170.00016.38
7.3.200.0050.01419.39
7.3.190.0100.01016.48
7.3.180.0090.00616.28
7.3.170.0090.00916.27
7.3.160.0090.00616.48
7.3.130.0030.01414.59
7.3.120.0060.00914.38
7.3.110.0130.00714.89
7.3.100.0100.00714.92
7.3.90.0060.00914.71
7.3.80.0060.00614.69
7.3.70.0040.00814.42
7.3.60.0070.01014.66
7.3.50.0090.00314.86
7.3.40.0090.00314.79
7.3.30.0030.01014.52
7.3.20.0120.00316.64
7.3.10.0030.01316.46
7.3.00.0100.00316.34
7.2.330.0150.00316.27
7.2.320.0090.00916.23
7.2.310.0070.01016.27
7.2.300.0060.01016.38
7.2.290.0040.01516.47
7.2.260.0070.01114.90
7.2.250.0070.01014.96
7.2.240.0030.01214.76
7.2.230.0030.01214.57
7.2.220.0070.00715.03
7.2.210.0070.00714.97
7.2.200.0050.00514.94
7.2.190.0090.00314.88
7.2.180.0060.00914.65
7.2.170.0000.01514.93
7.2.160.0000.01014.95
7.2.150.0000.01216.77
7.2.140.0050.00516.80
7.2.130.0000.01516.39
7.2.120.0120.00316.59
7.2.110.0090.00616.86
7.2.100.0060.00616.53
7.2.90.0060.00916.35
7.2.80.0060.01016.54
7.2.70.0090.00616.86
7.2.60.0050.00616.67
7.2.50.0040.00716.86
7.2.40.0030.00616.88
7.2.30.0060.00916.85
7.2.20.0070.01016.42
7.2.10.0030.00716.61
7.2.00.0020.01117.93
7.1.330.0060.00615.70
7.1.320.0070.01015.73
7.1.310.0030.01215.63
7.1.300.0070.01015.75
7.1.290.0030.00915.52
7.1.280.0080.00415.46
7.1.270.0060.00615.82
7.1.260.0050.00515.59
7.1.250.0070.00715.57
7.1.240.0100.00315.41
7.1.230.0030.01015.75
7.1.220.0130.00315.77
7.1.210.0070.00415.79
7.1.200.0040.00915.74
7.1.190.0070.00715.78
7.1.180.0000.00915.51
7.1.170.0060.00615.69
7.1.160.0090.00015.50
7.1.150.0070.00715.71
7.1.140.0080.00415.80
7.1.130.0070.00715.41
7.1.120.0080.00315.52
7.1.110.0000.01615.54
7.1.100.0070.00616.67
7.1.90.0040.00815.50
7.1.80.0070.00715.80
7.1.70.0020.00916.27
7.1.60.0080.01317.51
7.1.50.0060.00716.25
7.1.40.0030.01015.50
7.1.30.0040.01115.65
7.1.20.0060.00915.69
7.1.10.0030.01015.80
7.1.00.0040.04118.98
7.0.330.0090.00315.35
7.0.320.0060.00615.33
7.0.310.0040.01115.18
7.0.300.0040.01115.15
7.0.290.0030.00615.10
7.0.280.0140.00315.28
7.0.270.0090.00315.25
7.0.260.0130.00015.28
7.0.250.0110.00315.32
7.0.240.0070.00715.34
7.0.230.0030.01015.43
7.0.220.0030.00715.07
7.0.210.0070.00415.50
7.0.200.0030.00815.81
7.0.190.0030.01215.39
7.0.180.0000.01615.27
7.0.170.0040.00815.21
7.0.160.0030.01315.37
7.0.150.0000.01015.11
7.0.140.0050.04018.70
7.0.130.0030.01015.18
7.0.120.0030.00915.15
7.0.110.0030.01015.37
7.0.100.0060.00815.19
7.0.90.0070.00715.23
7.0.80.0030.00915.19
7.0.70.0090.00315.43
7.0.60.0050.04417.55
7.0.50.0080.03216.57
7.0.40.0100.03616.70
7.0.30.0150.04016.67
7.0.20.0190.04516.69
7.0.10.0060.02816.73
7.0.00.0030.03116.78
5.6.400.0000.01113.96
5.6.390.0060.00314.05
5.6.380.0070.00714.18
5.6.370.0100.00013.99
5.6.360.0100.00314.23
5.6.350.0120.00014.19
5.6.340.0110.00313.77
5.6.330.0000.01414.23
5.6.320.0000.01314.45
5.6.310.0110.00414.20
5.6.300.0030.00913.98
5.6.290.0060.00313.86
5.6.280.0070.04017.77
5.6.270.0030.00514.03
5.6.260.0000.01113.98
5.6.250.0070.00713.96
5.6.240.0000.00814.11
5.6.230.0000.01214.10
5.6.220.0000.01514.35
5.6.210.0050.02517.27
5.6.200.0020.02916.19
5.6.190.0060.03017.52
5.6.180.0170.02917.25
5.6.170.0170.04017.38
5.6.160.0020.04417.26
5.6.150.0110.03816.10
5.6.140.0080.03516.11
5.6.130.0080.03516.01
5.6.120.0070.04117.54
5.6.110.0030.04317.60
5.6.100.0100.04017.50
5.6.90.0070.04417.80
5.6.80.0050.03617.14
5.6.70.0110.00414.04
5.6.60.0060.00313.93
5.6.50.0030.00613.92
5.6.40.0040.00814.19
5.6.30.0000.01214.05
5.6.20.0030.01513.91
5.6.10.0060.00314.24
5.6.00.0110.00314.16
5.5.380.0040.00413.92
5.5.370.0070.00313.89
5.5.360.0040.00714.19
5.5.350.0130.04417.24
5.5.340.0020.04715.94
5.5.330.0050.02517.29
5.5.320.0150.02417.20
5.5.310.0130.02717.14
5.5.300.0030.03816.07
5.5.290.0050.03016.10
5.5.280.0050.03717.41
5.5.270.0070.02217.35
5.5.260.0050.04717.56
5.5.250.0060.02317.39
5.5.240.0060.02217.22
5.5.230.0070.00713.98
5.5.220.0100.00314.09
5.5.210.0090.00613.74
5.5.200.0040.01114.01
5.5.190.0040.01114.06
5.5.180.0000.00913.82
5.5.170.0030.01313.86
5.5.160.0080.00413.82
5.5.150.0080.00413.83
5.5.140.0090.00313.87
5.5.130.0000.00813.97
5.5.120.0100.00314.16
5.5.110.0060.00613.92
5.5.100.0080.00013.86
5.5.90.0030.00913.97
5.5.80.0070.00313.82
5.5.70.0030.00713.80
5.5.60.0040.01113.76
5.5.50.0030.01414.13
5.5.40.0100.00313.73
5.5.30.0000.01314.00
5.5.20.0000.01114.10
5.5.10.0040.00813.87
5.5.00.0050.00513.84
5.4.450.0020.03815.28
5.4.440.0350.03015.14
5.4.430.0150.03015.01
5.4.420.0190.03015.21
5.4.410.0400.03115.04
5.4.400.0020.03214.95
5.4.390.0370.03214.63
5.4.380.0270.03814.63
5.4.370.0220.02314.71
5.4.360.0200.04014.65
5.4.350.0180.03514.64
5.4.340.0130.03514.62
5.4.330.0000.00810.70
5.4.320.0130.03514.63
5.4.310.0180.03114.45
5.4.300.0240.03514.80
5.4.290.0180.02814.60
5.4.280.0210.02614.52
5.4.270.0210.03014.56
5.4.260.0150.03114.71
5.4.250.0180.03314.58
5.4.240.0130.03314.73
5.4.230.0130.03614.54
5.4.220.0250.02914.67
5.4.210.0170.02714.65
5.4.200.0240.02313.65
5.4.190.0180.03214.57
5.4.180.0200.02714.62
5.4.170.0100.04114.76
5.4.160.0220.02914.71
5.4.150.0170.03314.62
5.4.140.0180.03213.49
5.4.130.0130.02913.51
5.4.120.0200.02613.46
5.4.110.0180.02713.58
5.4.100.0150.03113.49
5.4.90.0140.03413.43
5.4.80.0170.03013.47
5.4.70.0160.02813.40
5.4.60.0200.02813.31
5.4.50.0190.02413.40
5.4.40.0170.02713.61
5.4.30.0130.03013.43
5.4.20.0180.02713.50
5.4.10.0170.02813.36
5.4.00.0180.03013.31
5.3.290.0330.05014.70
5.3.280.0300.07014.54
5.3.270.0370.05314.69
5.3.260.0370.06014.52
5.3.250.0300.05714.53
5.3.240.0300.05314.64
5.3.230.0330.05714.67
5.3.220.0470.03714.55
5.3.210.0370.05014.47
5.3.200.0370.04714.62
5.3.190.0200.06314.48
5.3.180.0300.05014.49
5.3.170.0370.05714.51
5.3.160.0300.05014.59
5.3.150.0430.06314.65
5.3.140.0270.05714.52
5.3.130.0230.06014.64
5.3.120.0230.06314.44
5.3.110.0300.05314.59
5.3.100.0600.05014.01
5.3.90.0570.06014.12
5.3.80.0370.04713.93
5.3.70.0370.06013.99
5.3.60.0330.06013.91
5.3.50.0430.05713.86
5.3.40.0330.04713.89
5.3.30.0370.04713.91
5.3.20.0300.05313.67
5.3.10.0270.05013.64
5.3.00.0370.05313.56
5.2.170.0330.05311.10
5.2.160.0170.05311.30
5.2.150.0300.03311.28
5.2.140.0200.04311.19
5.2.130.0200.03711.07
5.2.120.0230.03711.07
5.2.110.0170.04311.08
5.2.100.0130.04711.04
5.2.90.0200.04711.26
5.2.80.0170.05011.02
5.2.70.0230.06011.05
5.2.60.0270.03710.96
5.2.50.0200.04711.05
5.2.40.0300.04710.98
5.2.30.0170.06010.92
5.2.20.0270.04710.93
5.2.10.0230.04010.82
5.2.00.0200.04310.70
5.1.60.0200.03310.02
5.1.50.0170.05310.01
5.1.40.0100.0479.95
5.1.30.0230.03310.34
5.1.20.0230.03310.45
5.1.10.0200.04010.13
5.1.00.0130.04710.04
5.0.50.0130.0308.53
5.0.40.0100.0308.47
5.0.30.0130.0438.23
5.0.20.0100.0338.32
5.0.10.0100.0308.18
5.0.00.0200.0478.28
4.4.90.0170.0306.68
4.4.80.0070.0276.68
4.4.70.0170.0206.68
4.4.60.0070.0236.68
4.4.50.0030.0306.68
4.4.40.0130.0306.68
4.4.30.0070.0236.68
4.4.20.0100.0206.68
4.4.10.0070.0236.68
4.4.00.0130.0336.68
4.3.110.0130.0236.68
4.3.100.0100.0236.68
4.3.90.0100.0236.68
4.3.80.0100.0376.68
4.3.70.0130.0306.68
4.3.60.0130.0176.68
4.3.50.0070.0276.68
4.3.40.0070.0406.68
4.3.30.0100.0236.68
4.3.20.0030.0276.68
4.3.10.0030.0276.68
4.3.00.0200.0177.30

preferences:
56.29 ms | 400 KiB | 5 Q