3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set("mbstring.internal_encoding", "utf-8"); var_dump(mb_strlen("รค", "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)
8.3.60.0130.00618.20
8.3.50.0090.01017.48
8.3.40.0150.00318.59
8.3.30.0110.00318.63
8.3.20.0040.00418.56
8.3.10.0040.00420.49
8.3.00.0040.00417.25
8.2.180.0100.01018.16
8.2.170.0140.00722.96
8.2.160.0110.01120.35
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00719.64
8.2.110.0060.00321.95
8.2.100.0090.00317.84
8.2.90.0030.00618.96
8.2.80.0040.00417.97
8.2.70.0040.00417.48
8.2.60.0050.00317.80
8.2.50.0000.00818.10
8.2.40.0040.00420.54
8.2.30.0050.00217.97
8.2.20.0070.00017.43
8.2.10.0070.00017.42
8.2.00.0050.00217.46
8.1.280.0070.01025.92
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0040.00723.76
8.1.230.0040.00720.95
8.1.220.0050.00317.74
8.1.210.0080.00018.77
8.1.200.0060.00317.10
8.1.190.0040.00417.28
8.1.180.0050.00318.10
8.1.170.0080.00018.51
8.1.160.0000.00822.04
8.1.150.0040.00418.52
8.1.140.0000.00817.19
8.1.130.0000.00617.71
8.1.120.0000.00717.38
8.1.110.0050.00317.21
8.1.100.0030.00317.29
8.1.90.0000.00717.26
8.1.80.0030.00317.29
8.1.70.0000.00717.23
8.1.60.0060.00317.46
8.1.50.0040.00417.45
8.1.40.0000.00817.47
8.1.30.0070.00017.54
8.1.20.0000.00817.41
8.1.10.0000.00717.45
8.1.00.0050.00517.35
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00318.42
8.0.270.0000.00717.18
8.0.260.0070.00018.52
8.0.250.0040.00416.91
8.0.240.0040.00416.95
8.0.230.0000.00716.92
8.0.220.0000.00716.87
8.0.210.0000.00716.91
8.0.200.0000.00616.93
8.0.190.0040.00416.84
8.0.180.0070.00016.80
8.0.170.0000.00916.89
8.0.160.0040.00416.84
8.0.150.0000.00816.93
8.0.140.0080.00416.82
8.0.130.0000.00513.30
8.0.120.0000.00716.86
8.0.110.0030.00616.78
8.0.100.0050.00316.91
8.0.90.0000.00716.91
8.0.80.0110.00416.82
8.0.70.0000.00716.79
8.0.60.0030.00516.80
8.0.50.0070.00016.90
8.0.30.0080.01117.03
8.0.20.0100.01117.13
8.0.10.0000.00717.00
8.0.00.0110.00816.64
7.4.330.0050.00014.72
7.4.320.0000.00616.26
7.4.300.0060.00016.41
7.4.290.0000.00716.47
7.4.280.0000.01016.35
7.4.270.0030.00316.41
7.4.260.0000.00713.11
7.4.250.0000.00816.25
7.4.240.0030.00316.39
7.4.230.0000.00716.25
7.4.220.0100.00716.23
7.4.210.0070.00916.44
7.4.200.0040.00416.22
7.4.190.0020.00516.53
7.4.160.0120.00316.54
7.4.150.0090.00917.07
7.4.140.0070.01417.09
7.4.130.0050.01216.39
7.4.120.0080.01016.41
7.4.110.0120.00616.36
7.4.100.0120.00616.32
7.4.90.0100.01316.41
7.4.80.0060.01318.80
7.4.70.0090.01316.42
7.4.60.0000.01716.43
7.4.50.0000.00823.42
7.4.40.0000.01121.69
7.4.30.0030.01316.27
7.4.00.0080.00814.84
7.3.330.0060.00013.07
7.3.320.0000.00512.93
7.3.310.0050.00216.12
7.3.300.0070.00016.18
7.3.290.0110.00316.13
7.3.280.0090.00716.21
7.3.270.0150.00617.07
7.3.260.0080.01118.24
7.3.250.0090.00916.17
7.3.240.0080.01216.39
7.3.230.0070.01016.31
7.3.210.0090.00716.21
7.3.200.0130.01119.39
7.3.190.0070.01316.42
7.3.180.0100.00616.47
7.3.170.0100.00716.25
7.3.160.0090.00616.36
7.3.120.0030.01014.62
7.3.10.0130.00016.53
7.3.00.0090.00616.23
7.2.330.0090.01116.53
7.2.320.0030.01416.46
7.2.310.0130.01016.61
7.2.300.0180.00616.57
7.2.290.0090.00616.21
7.2.130.0060.00316.85
7.2.120.0080.00816.90
7.2.110.0060.00916.51
7.2.100.0070.00316.86
7.2.90.0030.01016.93
7.2.80.0070.01116.60
7.2.70.0000.01016.76
7.2.60.0090.00316.62
7.2.50.0080.00516.57
7.2.40.0060.00616.91
7.2.30.0060.00916.53
7.2.20.0040.00716.58
7.2.10.0040.01216.39
7.2.00.0100.00616.76
7.1.250.0040.00915.71
7.1.200.0000.01115.72
7.1.70.0000.00916.96
7.1.60.0100.01419.40
7.1.50.0120.00916.85
7.1.00.0070.07022.51
7.0.200.0000.00916.63
7.0.140.0030.06722.07
7.0.120.0030.03022.02
7.0.60.0170.06320.03
7.0.50.0070.07717.88
7.0.40.0070.05320.42
7.0.30.0300.07720.20
7.0.20.0400.07020.16
7.0.10.0100.07020.01
7.0.00.0070.06020.29
5.6.280.0000.07720.98
5.6.210.0070.07720.52
5.6.200.0030.07318.18
5.6.190.0170.08020.60
5.6.180.0470.05720.41
5.6.170.0270.06720.48
5.6.160.0030.08020.38
5.6.150.0070.04018.18
5.6.140.0070.07718.21
5.6.130.0070.08018.16
5.6.120.0000.05021.00
5.6.110.0100.08721.11
5.6.100.0030.05720.97
5.6.90.0000.04321.09
5.6.80.0070.08020.47
5.5.350.0000.03720.43
5.5.340.0000.04018.02
5.5.330.0170.04320.47
5.5.320.1730.06720.21
5.5.310.0230.06720.29
5.5.300.0100.07717.91
5.5.290.0100.05318.02
5.5.280.0030.07720.84
5.5.270.0030.04720.78
5.5.260.0100.05320.78
5.5.250.0130.05720.57
5.5.240.0030.08020.13
5.4.450.0570.04719.58
5.4.440.0670.03319.39
5.4.430.0370.04019.39
5.4.420.0670.03019.45
5.4.410.0270.04319.13
5.4.400.0430.04019.22
5.4.390.0400.04319.09
5.4.380.0530.04018.90
5.4.370.0700.03018.88
5.4.360.0700.03319.10
5.4.350.0000.03318.90
5.4.340.0670.04019.25
5.4.320.0630.04019.21
5.4.310.0670.03318.90
5.4.300.0470.04019.06
5.4.290.0300.04318.76
5.4.280.0200.04719.15
5.4.270.0630.03319.21
5.4.260.0670.03718.89
5.4.250.0730.05019.05
5.4.240.0300.04319.25
5.4.230.0270.04318.84
5.4.220.0630.03718.76
5.4.210.0530.04019.23
5.4.200.0270.05018.89
5.4.190.1000.02318.79
5.4.180.0400.03719.07
5.4.170.0670.04318.87
5.4.160.0400.04019.02
5.4.150.0870.04319.11
5.4.140.0730.03316.28
5.4.130.0900.04016.29
5.4.120.0670.01716.16
5.4.110.0430.04016.23
5.4.100.0500.03016.36
5.4.90.0370.05016.23
5.4.80.0500.03316.26
5.4.70.0570.04016.39
5.4.60.0630.03016.43
5.4.50.0270.03016.42
5.4.40.0300.04016.40
5.4.30.0430.03716.34
5.4.20.0400.03316.43
5.4.10.0600.04016.35
5.4.00.0500.04015.79
5.3.290.0800.03315.78
5.3.280.0800.03715.78
5.3.270.0000.03315.78
5.3.260.0770.03315.78
5.3.250.0370.04315.78
5.3.240.0570.03315.78
5.3.230.0400.04015.78
5.3.220.0870.03715.79
5.3.210.0800.04315.79
5.3.200.0300.04315.79
5.3.190.0470.04015.79
5.3.180.0630.03315.79
5.3.170.0430.04315.79
5.3.160.0230.03015.79
5.3.150.0930.02715.79
5.3.140.0730.03015.79
5.3.130.0470.04315.79
5.3.120.0630.03715.79
5.3.110.0700.03315.79
5.3.100.0770.03315.79
5.3.90.0500.03315.79
5.3.80.0370.03715.79
5.3.70.0970.04015.79
5.3.60.0770.03715.79
5.3.50.0600.03015.79
5.3.40.0430.04015.79
5.3.30.0670.03315.79
5.3.20.0470.03015.79
5.3.10.0330.03015.79
5.3.00.0770.03015.79
5.2.170.0370.03015.79
5.2.160.0300.03315.79
5.2.150.0170.03715.79
5.2.140.0700.02715.79
5.2.130.0400.02315.79
5.2.120.0700.02015.79
5.2.110.0630.03015.79
5.2.100.0530.03015.79
5.2.90.0300.02015.79
5.2.80.0270.03015.79
5.2.70.0530.01715.79
5.2.60.0370.03015.79
5.2.50.0270.03015.79
5.2.40.0070.02715.79
5.2.30.0170.03315.79
5.2.20.0270.03015.79
5.2.10.0170.03315.83
5.2.00.0670.01715.83
5.1.60.0700.02715.83
5.1.50.0600.02015.83
5.1.40.0370.02015.83
5.1.30.0700.02315.83
5.1.20.0330.03015.83
5.1.10.0400.02715.83
5.1.00.0330.02715.83
5.0.50.0130.02015.83
5.0.40.0000.02015.83
5.0.30.0430.03315.83
5.0.20.0070.02015.83
5.0.10.0300.01015.83
5.0.00.0170.03015.83
4.4.90.0230.01715.79
4.4.80.0300.01715.79
4.4.70.0170.01015.79
4.4.60.0070.01015.79
4.4.50.0400.00715.79
4.4.40.0130.03015.83
4.4.30.0170.01315.83
4.4.20.0030.01015.83
4.4.10.0070.01715.83
4.4.00.0070.02315.83
4.3.110.0300.02315.83
4.3.100.0100.01715.83
4.3.90.0000.01315.83
4.3.80.0100.02715.83
4.3.70.0200.01715.83
4.3.60.0170.01715.83
4.3.50.0030.02015.83
4.3.40.0200.02715.83
4.3.30.0070.01315.83
4.3.20.0130.02015.83
4.3.10.0170.01715.83
4.3.00.0000.02315.83

preferences:
51.43 ms | 400 KiB | 5 Q