3v4l.org

run code in 300+ PHP versions simultaneously
<?php $t = "ф"; echo mb_strlen($t);

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)
8.3.40.0100.01018.59
8.3.30.0100.00320.21
8.3.20.0040.00420.25
8.3.10.0040.00421.94
8.3.00.0030.00622.40
8.2.170.0070.01422.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0000.01024.66
8.2.130.0140.00426.16
8.2.120.0080.00019.79
8.2.110.0100.00022.11
8.2.100.0090.00619.26
8.2.90.0080.00019.08
8.2.80.0070.00019.21
8.2.70.0000.00817.63
8.2.60.0050.00817.80
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0070.00018.05
8.2.20.0000.00717.55
8.2.10.0040.00317.60
8.2.00.0070.00017.48
8.1.270.0040.00420.31
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0050.00523.62
8.1.230.0070.00419.22
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0060.00317.10
8.1.190.0050.00317.30
8.1.180.0080.00020.38
8.1.170.0040.00418.57
8.1.160.0040.00422.16
8.1.150.0020.00518.52
8.1.140.0080.00017.41
8.1.130.0030.00317.80
8.1.120.0070.00017.42
8.1.110.0030.00517.27
8.1.100.0040.00417.42
8.1.90.0000.00817.24
8.1.80.0030.00417.32
8.1.70.0030.00317.32
8.1.60.0000.00817.59
8.1.50.0050.00217.38
8.1.40.0040.00417.40
8.1.30.0030.00617.55
8.1.20.0040.00417.55
8.1.10.0050.00317.52
8.1.00.0040.00417.50
8.0.300.0080.00018.77
8.0.290.0030.00317.16
8.0.280.0040.00418.41
8.0.270.0080.00017.22
8.0.260.0070.00016.86
8.0.250.0000.00717.03
8.0.240.0000.00817.01
8.0.230.0000.00716.95
8.0.220.0000.00716.85
8.0.210.0000.00816.75
8.0.200.0030.00317.00
8.0.190.0040.00416.96
8.0.180.0070.00016.80
8.0.170.0000.00716.89
8.0.160.0040.00316.77
8.0.150.0030.00316.77
8.0.140.0000.00716.71
8.0.130.0050.00013.26
8.0.120.0040.00416.84
8.0.110.0030.00516.81
8.0.100.0030.00316.75
8.0.90.0040.00416.71
8.0.80.0040.01116.90
8.0.70.0070.00016.76
8.0.60.0030.00316.96
8.0.50.0040.00416.92
8.0.30.0130.00917.10
8.0.20.0170.00517.40
8.0.10.0040.00416.82
8.0.00.0110.00616.80
7.4.330.0000.00515.00
7.4.320.0060.00016.51
7.4.300.0030.00316.38
7.4.290.0030.00316.53
7.4.280.0030.00316.51
7.4.270.0050.00316.34
7.4.260.0070.00016.40
7.4.250.0080.00016.37
7.4.240.0030.00316.45
7.4.230.0000.00616.59
7.4.220.0120.00416.63
7.4.210.0070.01116.49
7.4.200.0020.00516.22
7.4.190.0040.00416.29
7.4.160.0080.00816.54
7.4.150.0130.01317.40
7.4.140.0110.00617.86
7.4.130.0070.00916.40
7.4.120.0130.00316.42
7.4.110.0070.01316.39
7.4.100.0150.00416.32
7.4.90.0120.00616.61
7.4.80.0070.01019.39
7.4.70.0100.00716.47
7.4.60.0060.01116.40
7.4.50.0000.00416.18
7.4.40.0070.00722.77
7.4.30.0160.00316.48
7.4.00.0040.01314.70
7.3.330.0030.00313.11
7.3.320.0030.00312.92
7.3.310.0000.00715.96
7.3.300.0070.00016.11
7.3.290.0060.00916.14
7.3.280.0090.00716.14
7.3.270.0170.00917.40
7.3.260.0080.00816.37
7.3.250.0080.01016.11
7.3.240.0140.00416.52
7.3.230.0070.01016.39
7.3.210.0100.00716.45
7.3.200.0060.01219.39
7.3.190.0060.00916.12
7.3.180.0030.01315.96
7.3.170.0160.00016.37
7.3.160.0040.01116.41
7.3.120.0070.01114.76
7.3.110.0040.01114.70
7.3.100.0030.01414.58
7.3.90.0050.00714.79
7.3.80.0080.00514.61
7.3.70.0070.00514.75
7.3.60.0080.00814.59
7.3.50.0020.01114.42
7.3.40.0050.00914.66
7.3.30.0050.00714.72
7.3.20.0100.00316.38
7.3.10.0020.00816.51
7.3.00.0050.01016.38
7.2.330.0150.00716.72
7.2.320.0030.01416.50
7.2.310.0090.00916.66
7.2.300.0110.00716.36
7.2.290.0070.01016.61
7.2.250.0050.01114.43
7.2.240.0100.00814.96
7.2.230.0100.00714.87
7.2.220.0070.00814.99
7.2.210.0030.00915.13
7.2.200.0020.01314.66
7.2.190.0050.00514.63
7.2.180.0080.00814.63
7.2.170.0020.01014.79
7.1.330.0040.01115.71
7.1.320.0000.01015.73
7.1.310.0050.00915.63
7.1.300.0030.00915.78
7.1.290.0070.00815.75
7.1.280.0030.00815.65
7.1.270.0080.00815.69
7.1.260.0030.01015.53
7.1.70.0180.00917.03
7.1.60.0110.01419.29
7.1.50.0030.02016.80
7.1.00.0000.04322.36
7.0.200.0490.00414.68
7.0.140.0000.07322.07
7.0.60.0030.04019.85
7.0.50.0170.02717.82
7.0.40.0100.05020.40
7.0.30.0170.04320.34
7.0.20.0370.07020.09
7.0.10.0230.05320.16
7.0.00.0100.04020.29
5.6.280.0000.07720.98
5.6.210.0070.08020.61
5.6.200.0100.07718.19
5.6.190.0000.09720.66
5.6.180.3270.04020.58
5.6.170.0500.06320.61
5.6.160.0300.03720.52
5.6.150.0130.06318.20
5.6.140.0070.06018.07
5.6.130.0070.08018.11
5.6.120.0030.07320.99
5.6.110.0000.06720.98
5.6.100.0070.06720.96
5.6.90.0070.08321.07
5.6.80.0070.06320.39
5.6.70.0170.07020.39
5.5.350.0070.08320.39
5.5.340.0100.07717.97
5.5.330.0100.08320.19
5.5.320.0270.06720.41
5.5.310.0230.08020.17
5.5.300.0030.06717.95
5.5.290.0070.08718.00
5.5.280.0100.08320.84
5.5.270.0100.06720.83
5.5.260.0030.09020.67
5.5.250.0030.09020.61
5.5.240.0100.03020.11
5.4.450.0770.06019.30
5.4.440.0800.05719.27
5.4.430.1030.07719.23
5.4.420.0830.05319.57
5.4.410.0830.05319.42
5.4.400.1430.06718.86
5.4.390.0970.05318.59
5.4.380.0230.05318.58
5.4.370.0070.05718.67
5.4.360.0230.06018.72
5.4.350.0110.03711.97
5.4.340.0070.03311.97
5.4.320.0040.04312.45
5.4.310.0100.04212.45
5.4.300.0050.04512.45
5.4.290.0090.04612.45
5.4.280.0070.04412.35
5.4.270.0110.03412.35
5.4.260.0090.04512.34
5.4.250.0100.05018.64
5.4.240.0130.04718.93
5.4.230.0000.06318.91
5.4.220.0030.05718.89
5.4.210.0070.07318.77
5.4.200.0030.06718.91
5.4.190.0100.05018.90
5.4.180.0170.04718.88
5.4.170.0030.05718.82
5.4.160.0100.05318.87
5.4.150.0130.06018.90
5.4.140.0100.05316.38
5.4.130.0130.04716.21
5.4.120.0070.06716.48
5.4.110.0070.05316.53
5.4.100.0200.06016.34
5.4.90.0200.06016.28
5.4.80.0200.05716.23
5.4.70.0070.04716.33
5.4.60.0030.05016.32
5.4.50.0130.04016.27
5.4.40.0030.05016.52
5.4.30.0070.04716.21
5.4.20.0130.04316.32
5.4.10.0100.07316.38
5.4.00.0070.05015.89
5.3.290.0070.04912.80
5.3.280.0070.05014.64
5.3.270.0230.06014.61
5.3.260.0100.05314.64
5.3.250.0070.05014.61
5.3.240.0070.05014.62
5.3.230.0100.04714.59
5.3.220.0070.05314.48
5.3.210.0100.05014.43
5.3.200.0030.05314.58
5.3.190.0100.04714.34
5.3.180.0130.06014.57
5.3.170.0170.06014.55
5.3.160.0100.05314.49
5.3.150.0030.05314.39
5.3.140.0000.06014.70
5.3.130.0070.05314.38
5.3.120.0070.07314.33
5.3.110.0030.08014.55
5.3.100.0070.07313.91
5.3.90.0030.05314.02
5.3.80.0070.05314.11
5.3.70.0070.05013.87
5.3.60.0000.05714.01
5.3.50.0130.05013.86
5.3.40.0030.05713.80
5.3.30.0000.05313.67
5.3.20.0030.05313.68
5.3.10.0130.04313.51
5.3.00.0070.05713.50
5.2.170.0030.06711.03
5.2.160.0070.04711.14
5.2.150.0100.04011.04
5.2.140.0000.04710.97
5.2.130.0100.03311.10
5.2.120.0000.05711.25
5.2.110.0170.04311.09
5.2.100.0070.03711.11
5.2.90.0000.04311.02
5.2.80.0070.04311.10
5.2.70.0130.04311.02
5.2.60.0100.04010.98
5.2.50.0000.04311.02
5.2.40.0100.03311.09
5.2.30.0100.04010.97
5.2.20.0070.04010.97
5.2.10.0070.03711.03
5.2.00.0070.05710.54
5.1.60.0070.03310.00
5.1.50.0000.03710.02
5.1.40.0030.0339.88
5.1.30.0030.03710.39
5.1.20.0100.03310.24
5.1.10.0030.03710.04
5.1.00.0070.0379.97
5.0.50.0030.0308.60
5.0.40.0100.0208.55
5.0.30.0030.0438.27
5.0.20.0070.0238.02
5.0.10.0030.0278.20
5.0.00.0030.0408.19
4.4.90.0000.0237.34
4.4.80.0070.0177.34
4.4.70.0000.0237.34
4.4.60.0000.0307.34
4.4.50.0100.0177.34
4.4.40.0030.0337.34
4.4.30.0000.0237.34
4.4.20.0000.0237.34
4.4.10.0070.0207.34
4.4.00.0030.0377.34
4.3.110.0000.0237.34
4.3.100.0030.0207.34
4.3.90.0030.0207.34
4.3.80.0030.0377.34
4.3.70.0100.0237.34
4.3.60.0030.0277.34
4.3.50.0030.0237.34
4.3.40.0030.0307.34
4.3.30.0000.0237.34
4.3.20.0070.0277.34
4.3.10.0000.0307.34
4.3.00.0030.0206.81

preferences:
43.61 ms | 400 KiB | 5 Q