3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s = '漢字仮名交じり文'; echo 'strlen: ' . strlen($x); echo 'mb_strlen: ' . mb_strlen ($s);

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)
8.3.60.0100.01016.50
8.3.50.0140.00620.97
8.3.40.0140.00718.84
8.3.30.0100.01018.87
8.3.20.0070.00020.12
8.3.10.0070.00023.66
8.3.00.0040.00419.25
8.2.180.0070.01018.54
8.2.170.0070.00722.96
8.2.160.0130.00020.45
8.2.150.0070.00024.18
8.2.140.0000.00824.66
8.2.130.0000.00826.16
8.2.120.0050.00322.00
8.2.110.0030.00622.16
8.2.100.0080.00417.84
8.2.90.0000.00819.22
8.2.80.0060.00317.97
8.2.70.0000.01017.63
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0000.00819.95
8.2.30.0040.00419.91
8.2.20.0040.00417.73
8.2.10.0040.00417.98
8.2.00.0030.00617.68
8.1.280.0120.00625.92
8.1.270.0040.00423.92
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00422.19
8.1.230.0100.00019.15
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0080.00317.25
8.1.180.0060.00319.01
8.1.170.0040.00418.40
8.1.160.0030.00322.01
8.1.150.0070.00018.48
8.1.140.0000.00817.30
8.1.130.0000.00717.86
8.1.120.0030.00417.40
8.1.110.0050.00317.41
8.1.100.0000.00817.43
8.1.90.0050.00317.35
8.1.80.0030.00617.37
8.1.70.0000.00717.31
8.1.60.0060.00317.58
8.1.50.0020.00517.54
8.1.40.0030.00517.51
8.1.30.0080.00017.50
8.1.20.0070.00317.59
8.1.10.0060.00317.56
8.1.00.0040.00417.36
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0030.00318.35
8.0.270.0070.00017.36
8.0.260.0080.00017.36
8.0.250.0030.00316.95
8.0.240.0050.00517.06
8.0.230.0000.00717.11
8.0.220.0030.00317.05
8.0.210.0080.00017.04
8.0.200.0060.00017.06
8.0.190.0040.00417.11
8.0.180.0040.00417.05
8.0.170.0040.00417.00
8.0.160.0030.00316.94
8.0.150.0000.00716.84
8.0.140.0030.00716.98
8.0.130.0060.00013.46
8.0.120.0030.00616.99
8.0.110.0040.00416.87
8.0.100.0000.00716.99
8.0.90.0040.00416.93
8.0.80.0130.01016.92
8.0.70.0000.00716.84
8.0.60.0040.00416.88
8.0.50.0030.00316.84
8.0.30.0120.00617.01
8.0.20.0080.01117.40
8.0.10.0050.00317.01
8.0.00.0090.01216.81
7.4.330.0050.00015.14
7.4.320.0000.00716.50
7.4.300.0000.00716.50
7.4.290.0030.00316.55
7.4.280.0000.00816.38
7.4.270.0070.00016.40
7.4.260.0050.00316.48
7.4.250.0040.00416.50
7.4.240.0020.00516.45
7.4.230.0040.00416.63
7.4.220.0110.00716.61
7.4.210.0060.00716.50
7.4.200.0040.00416.32
7.4.190.0070.00016.62
7.4.160.0110.00816.43
7.4.150.0140.00517.40
7.4.140.0100.00717.86
7.4.130.0080.01016.49
7.4.120.0120.00516.45
7.4.110.0000.01816.39
7.4.100.0060.01616.44
7.4.90.0110.00716.48
7.4.80.0100.01019.39
7.4.70.0060.00916.43
7.4.60.0130.00316.42
7.4.50.0060.00316.48
7.4.40.0150.00316.66
7.4.30.0070.01016.51
7.4.00.0070.01015.02
7.3.330.0030.00313.07
7.3.320.0020.00213.20
7.3.310.0070.00016.36
7.3.300.0070.00016.42
7.3.290.0030.01016.41
7.3.280.0060.01316.37
7.3.270.0100.00617.40
7.3.260.0130.00316.33
7.3.250.0100.01116.39
7.3.240.0070.01416.29
7.3.230.0100.00716.43
7.3.210.0270.02016.29
7.3.200.0060.01119.39
7.3.190.0120.00916.54
7.3.180.0100.01016.47
7.3.170.0120.00316.52
7.3.160.0090.00916.43
7.3.120.0000.01514.86
7.2.330.0120.00616.64
7.2.320.0000.01716.65
7.2.310.0030.01416.43
7.2.300.0100.00616.53
7.2.290.0110.00716.27
7.2.60.0080.00416.78
7.1.200.0040.00415.65
7.1.70.0040.00417.11
7.1.60.0030.00917.29
7.1.50.0130.01016.78
7.1.00.0000.08022.33
7.0.200.0070.01016.47
7.0.140.0030.07722.21
7.0.70.0070.07721.67
7.0.60.0100.07721.81
7.0.50.0030.08722.09
7.0.40.0000.08720.14
7.0.30.0000.09020.06
7.0.20.0070.06020.09
7.0.10.0030.08720.16
7.0.00.0030.09320.12
5.6.280.0030.07320.81
5.6.220.0000.05720.56
5.6.210.0030.06720.50
5.6.200.0100.07720.98
5.6.190.0100.05021.04
5.6.180.0130.06721.15
5.6.170.0100.08021.09
5.6.160.0030.08021.00
5.6.150.0070.07721.11
5.6.140.0030.06321.14
5.6.130.0070.08320.91
5.6.120.0030.07721.05
5.6.110.0000.05321.02
5.6.100.0000.06721.07
5.6.90.0030.08020.91
5.6.80.0000.07720.31
5.6.70.0070.07720.44
5.6.60.0070.07320.28
5.6.50.0000.07720.30
5.6.40.0000.04720.36
5.6.30.0030.04020.45
5.6.20.0030.06320.36
5.6.10.0070.07720.33
5.6.00.0030.07720.40
5.5.360.0000.07720.30
5.5.350.0030.08720.36
5.5.340.0100.09020.88
5.5.330.0070.07720.91
5.5.320.0070.07720.89
5.5.310.0070.05720.91
5.5.300.0070.07720.62
5.5.290.0000.08020.75
5.5.280.0070.08020.62
5.5.270.0100.08020.74
5.5.260.0030.08020.70
5.5.250.0000.07720.65
5.5.240.0070.07320.21
5.5.230.0070.05020.15
5.5.220.0100.07320.25
5.5.210.0030.07320.04
5.5.200.0000.04720.23
5.5.190.0030.07720.09
5.5.180.0030.06320.18
5.5.160.0100.07720.10
5.5.150.0100.04720.24
5.5.140.0000.05020.14
5.5.130.0000.06020.21
5.5.120.0000.07720.12
5.5.110.0070.07720.14
5.5.100.0000.08020.05
5.5.90.0070.05020.07
5.5.80.0070.05320.13
5.5.70.0000.05719.98
5.5.60.0030.05720.07
5.5.50.0070.06720.04
5.5.40.0070.08020.00
5.5.30.0070.07319.90
5.5.20.0070.07720.08
5.5.10.0000.07320.01
5.5.00.0000.07320.01
5.4.450.0130.07019.30
5.4.440.0000.06019.38
5.4.430.0030.08019.12
5.4.420.0100.07019.42
5.4.410.0070.06019.32
5.4.400.0070.07318.95
5.4.390.0070.07019.05
5.4.380.0070.06718.94
5.4.370.0170.06319.02
5.4.360.0000.06019.06
5.4.350.0000.05319.21
5.4.340.0070.07018.89
5.4.320.0070.07019.06
5.4.310.0000.07718.89
5.4.300.0030.08319.03
5.4.290.0000.07718.95
5.4.280.0000.08018.82
5.4.270.0000.07719.03
5.4.260.0000.05319.01
5.4.250.0030.07018.95
5.4.240.0070.07018.96
5.4.230.0030.07019.03
5.4.220.0000.06719.10
5.4.210.0030.03719.04
5.4.200.0030.07019.09
5.4.190.0030.07319.02
5.4.180.0000.07019.21
5.4.170.0000.06018.83
5.4.160.0030.07318.77
5.4.150.0030.07719.00
5.4.140.0070.07016.04
5.4.130.0030.06716.06
5.4.120.0000.07015.99
5.4.110.0070.05016.30
5.4.100.0070.07016.19
5.4.90.0000.07716.36
5.4.80.0070.06716.23
5.4.70.0100.06016.18
5.4.60.0030.07016.41
5.4.50.0030.07316.22
5.4.40.0000.04016.22
5.4.30.0070.07016.27
5.4.20.0030.03716.23
5.4.10.0070.06316.18
5.4.00.0030.07015.70
5.3.290.0030.07714.86
5.3.280.0070.07314.86
5.3.270.0070.07314.86
5.3.260.0000.07714.86
5.3.250.0030.07314.86
5.3.240.0100.05314.86
5.3.230.0000.06014.86
5.3.220.0030.07314.86
5.3.210.0100.07014.86
5.3.200.0070.07314.86
5.3.190.0030.07314.86
5.3.180.0030.07014.86
5.3.170.0100.07314.86
5.3.160.0030.07014.86
5.3.150.0030.06314.86
5.3.140.0030.07714.86
5.3.130.0000.08014.86
5.3.120.0070.07014.86
5.3.110.0000.08014.86
5.3.100.0030.07314.86
5.3.90.0070.07014.86
5.3.80.0100.07014.86
5.3.70.0070.05714.86
5.3.60.0030.05714.86
5.3.50.0000.07014.86
5.3.40.0030.07014.86
5.3.30.0030.06714.86
5.3.20.0070.07014.86
5.3.10.0030.06714.86
5.3.00.0000.07314.86
5.2.170.0030.06014.86
5.2.160.0000.06014.86
5.2.150.0030.06014.86
5.2.140.0000.05714.86
5.2.130.0000.06014.86
5.2.120.0030.05314.86
5.2.110.0070.06014.86
5.2.100.0000.05014.86
5.2.90.0030.05014.86
5.2.80.0000.04014.86
5.2.70.0000.03314.86
5.2.60.0000.06014.86
5.2.50.0030.06014.86
5.2.40.0070.05314.86
5.2.30.0030.05314.86
5.2.20.0130.05014.86
5.2.10.0000.06714.86
5.2.00.0000.06014.86
5.1.60.0070.03314.86
5.1.50.0030.03314.86
5.1.40.0030.05014.86
5.1.30.0100.05314.86
5.1.20.0000.04714.86
5.1.10.0070.05014.86
5.1.00.0030.03714.86
5.0.50.0000.05014.86
5.0.40.0000.04714.86
5.0.30.0030.05714.86
5.0.20.0070.04014.86
5.0.10.0000.04014.86
5.0.00.0000.06714.86
4.4.90.0000.03314.86
4.4.80.0000.03714.86
4.4.70.0030.02714.86
4.4.60.0030.03714.86
4.4.50.0030.03314.86
4.4.40.0030.03314.86
4.4.30.0030.02314.86
4.4.20.0000.03714.86
4.4.10.0030.02714.86
4.4.00.0000.05314.86
4.3.110.0030.03014.86
4.3.100.0000.03714.86
4.3.90.0030.02314.86
4.3.80.0000.05314.86
4.3.70.0000.03314.86
4.3.60.0030.02014.86
4.3.50.0030.03314.86
4.3.40.0000.05314.86
4.3.30.0030.02714.86
4.3.20.0000.03714.86
4.3.10.0000.03714.86
4.3.00.0000.04014.86

preferences:
42.23 ms | 401 KiB | 5 Q