3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a='ążźć'; echo strlen($a).' '.mb_strlen($a);

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)
8.3.60.0070.01016.38
8.3.50.0050.01122.00
8.3.40.0110.00418.60
8.3.30.0120.00319.09
8.3.20.0040.00420.35
8.3.10.0030.00623.66
8.3.00.0080.00019.05
8.2.180.0090.00616.50
8.2.170.0140.00422.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0040.00420.47
8.2.110.0060.00322.25
8.2.100.0110.00017.72
8.2.90.0050.00319.17
8.2.80.0080.00017.97
8.2.70.0060.00317.36
8.2.60.0080.00418.04
8.2.50.0080.00418.07
8.2.40.0050.00319.88
8.2.30.0070.00018.17
8.2.20.0000.00917.79
8.2.10.0000.00717.96
8.2.00.0100.00017.50
8.1.280.0120.00625.92
8.1.270.0040.00423.89
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00322.01
8.1.230.0040.00719.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00717.36
8.1.190.0000.00917.23
8.1.180.0000.00918.10
8.1.170.0000.00818.54
8.1.160.0000.00822.00
8.1.150.0000.00718.63
8.1.140.0050.00217.45
8.1.130.0030.00317.76
8.1.120.0050.00217.46
8.1.110.0070.00317.30
8.1.100.0000.00817.47
8.1.90.0040.00417.39
8.1.80.0040.00417.48
8.1.70.0030.00317.39
8.1.60.0000.00717.67
8.1.50.0040.00417.57
8.1.40.0040.00417.61
8.1.30.0000.00817.65
8.1.20.0020.00517.62
8.1.10.0020.00517.60
8.1.00.0080.00017.48
8.0.300.0060.00318.77
8.0.290.0040.00417.05
8.0.280.0070.00018.49
8.0.270.0030.00317.22
8.0.260.0040.00417.18
8.0.250.0000.00716.93
8.0.240.0040.00417.04
8.0.230.0030.00317.02
8.0.220.0030.00316.93
8.0.210.0080.00017.01
8.0.200.0030.00316.93
8.0.190.0080.00016.88
8.0.180.0040.00416.88
8.0.170.0000.00916.95
8.0.160.0040.00416.84
8.0.150.0030.00516.98
8.0.140.0000.00716.91
8.0.130.0060.00013.42
8.0.120.0030.00516.82
8.0.110.0070.00016.96
8.0.100.0050.00317.00
8.0.90.0040.00416.96
8.0.80.0110.00316.97
8.0.70.0000.00716.81
8.0.60.0000.00717.01
8.0.50.0020.00516.75
8.0.30.0100.00716.99
8.0.20.0080.01117.40
8.0.10.0000.00716.73
8.0.00.0100.00716.60
7.4.330.0020.00215.12
7.4.320.0060.00016.46
7.4.300.0000.00716.49
7.4.290.0000.00716.48
7.4.280.0000.00816.42
7.4.270.0040.00416.64
7.4.260.0030.00316.53
7.4.250.0040.00416.45
7.4.240.0000.00716.49
7.4.230.0030.00316.56
7.4.220.0060.01216.46
7.4.210.0070.00716.52
7.4.200.0030.00316.62
7.4.190.0030.00316.69
7.4.160.0110.00716.34
7.4.150.0100.00717.40
7.4.140.0120.00517.86
7.4.130.0140.00516.48
7.4.120.0110.00916.43
7.4.110.0000.01616.46
7.4.100.0150.00616.61
7.4.90.0090.01216.49
7.4.80.0140.00319.39
7.4.70.0130.00716.42
7.4.60.0160.00316.59
7.4.50.0000.00516.41
7.4.40.0130.00316.53
7.4.30.0090.00616.39
7.4.00.0070.00714.74
7.3.330.0050.00012.94
7.3.320.0050.00013.14
7.3.310.0040.00416.41
7.3.300.0030.00316.27
7.3.290.0160.00316.30
7.3.280.0110.00716.25
7.3.270.0070.01017.40
7.3.260.0090.00916.40
7.3.250.0090.01016.35
7.3.240.0060.01016.37
7.3.230.0200.00616.39
7.3.210.0060.01016.50
7.3.200.0070.01619.39
7.3.190.0070.01416.54
7.3.180.0110.00516.25
7.3.170.0090.01216.73
7.3.160.0030.01216.61
7.3.120.0000.01814.58
7.2.330.0090.00816.62
7.2.320.0140.00316.70
7.2.310.0100.00716.70
7.2.300.0050.01416.64
7.2.290.0060.01016.69
7.2.60.0140.00016.74
7.2.00.0030.00719.06
7.1.200.0000.01415.80
7.1.100.0130.00617.86
7.1.70.0030.00516.87
7.1.60.0040.01619.46
7.1.50.0100.01316.69
7.1.00.0000.08022.28
7.0.200.0000.00914.75
7.0.140.0070.07021.99
7.0.70.0030.08321.72
7.0.60.0130.05321.76
7.0.50.0000.08722.11
7.0.40.0000.08719.96
7.0.30.0000.08020.14
7.0.20.0070.08720.09
7.0.10.0070.07020.10
7.0.00.0070.08020.09
5.6.220.0000.04720.64
5.6.210.0100.07320.76
5.6.200.0100.08021.07
5.6.190.0030.08321.10
5.6.180.0030.07321.11
5.6.170.0030.07720.93
5.6.160.0030.08721.02
5.6.150.0030.07721.00
5.6.140.0070.04021.00
5.6.130.0030.05021.02
5.6.120.0170.07321.01
5.6.110.0030.09020.94
5.6.100.0000.05020.99
5.6.90.0070.06021.14
5.6.80.0100.05320.33
5.6.70.0070.04320.41
5.6.60.0070.08720.46
5.6.50.0030.07020.36
5.6.40.0030.07320.48
5.6.30.0030.07020.36
5.6.20.0030.08020.40
5.6.10.0070.07720.29
5.6.00.0070.08020.41
5.5.360.0100.06720.30
5.5.350.0030.05720.40
5.5.340.0000.06320.91
5.5.330.0070.07020.75
5.5.320.0030.08720.79
5.5.310.0070.07720.92
5.5.300.0030.04020.87
5.5.290.0070.05720.85
5.5.280.0000.09020.82
5.5.270.0030.08720.86
5.5.260.0130.06720.75
5.5.250.0030.08020.69
5.5.240.0030.05320.30
5.5.230.0030.04320.24
5.5.220.0100.06720.29
5.5.210.0070.06020.17
5.5.200.0100.08320.17
5.5.190.0000.06320.20
5.5.180.0070.05020.25
5.5.160.0030.07320.27
5.5.150.0030.07320.12
5.5.140.0030.07720.22
5.5.130.0000.04720.17
5.5.120.0000.07720.06
5.5.110.0070.07320.20
5.5.100.0100.03020.06
5.5.90.0030.03720.10
5.5.80.0100.07320.06
5.5.70.0030.07319.99
5.5.60.0030.03720.04
5.5.50.0000.04320.13
5.5.40.0030.08020.04
5.5.30.0070.07020.06
5.5.20.0000.08320.12
5.5.10.0100.07320.04
5.5.00.0030.04020.03
5.4.450.0070.04319.55
5.4.440.0030.09019.45
5.4.430.0070.05019.17
5.4.420.0070.07319.30
5.4.410.0170.07019.23
5.4.400.0030.06719.14
5.4.390.0130.03718.98
5.4.380.0000.07318.90
5.4.370.0070.03719.23
5.4.360.0030.07719.05
5.4.350.0070.06019.23
5.4.340.0000.07719.10
5.4.320.0000.04718.90
5.4.310.0030.08018.95
5.4.300.0000.05018.96
5.4.290.0070.06319.14
5.4.280.0030.03719.04
5.4.270.0000.04719.08
5.4.260.0070.03719.03
5.4.250.0000.07719.22
5.4.240.0070.07319.04
5.4.230.0000.07319.12
5.4.220.0000.04019.01
5.4.210.0000.07018.97
5.4.200.0030.07718.89
5.4.190.0030.07718.77
5.4.180.0130.06319.06
5.4.170.0000.05319.11
5.4.160.0000.07319.22
5.4.150.0030.05719.09
5.4.140.0070.07316.39
5.4.130.0000.05716.34
5.4.120.0030.07016.39
5.4.110.0000.07716.40
5.4.100.0000.05316.36
5.4.90.0070.07016.43
5.4.80.0100.05716.23
5.4.70.0000.06716.39
5.4.60.0070.04016.23
5.4.50.0070.07016.38
5.4.40.0070.05716.47
5.4.30.0070.05716.34
5.4.20.0070.06716.18
5.4.10.0030.07316.18
5.4.00.0000.07715.81
5.3.290.0000.05014.63
5.3.280.0030.07314.43
5.3.270.0000.07714.59
5.3.260.0070.07014.55
5.3.250.0000.03314.43
5.3.240.0000.05014.59
5.3.230.0000.08314.45
5.3.220.0070.05014.52
5.3.210.0070.06314.41
5.3.200.0070.06714.45
5.3.190.0030.08014.42
5.3.180.0070.07314.49
5.3.170.0000.04314.50
5.3.160.0070.07714.54
5.3.150.0000.04014.55
5.3.140.0000.04314.54
5.3.130.0030.07014.38
5.3.120.0100.06714.54
5.3.110.0070.07014.52
5.3.100.0000.05313.94
5.3.90.0070.06313.97
5.3.80.0030.06314.00
5.3.70.0130.06314.00
5.3.60.0000.07713.86
5.3.50.0000.07713.85
5.3.40.0000.06013.86
5.3.30.0070.06713.68
5.3.20.0070.03313.64
5.3.10.0000.07313.61
5.3.00.0000.07713.39
5.2.170.0000.06312.22
5.2.160.0000.04312.22
5.2.150.0000.03712.22
5.2.140.0030.06712.22
5.2.130.0000.03712.22
5.2.120.0030.06312.22
5.2.110.0000.06712.22
5.2.100.0000.05712.22
5.2.90.0000.04312.22
5.2.80.0000.06712.22
5.2.70.0070.05712.22
5.2.60.0030.05712.22
5.2.50.0000.06712.22
5.2.40.0070.05312.22
5.2.30.0030.05712.22
5.2.20.0000.04312.22
5.2.10.0030.04712.22
5.2.00.0070.05312.22
5.1.60.0070.04712.22
5.1.50.0000.05712.22
5.1.40.0000.04312.22
5.1.30.0030.06012.22
5.1.20.0000.05712.22
5.1.10.0070.05312.22
5.1.00.0030.05312.22
5.0.50.0030.03012.22
5.0.40.0000.02012.22
5.0.30.0000.06012.22
5.0.20.0030.04012.22
5.0.10.0030.04712.22
5.0.00.0000.07012.22
4.4.90.0000.03712.22
4.4.80.0070.02012.22
4.4.70.0000.02012.22
4.4.60.0000.03712.22
4.4.50.0030.03312.22
4.4.40.0000.05312.22
4.4.30.0000.03012.22
4.4.20.0000.03312.22
4.4.10.0000.03312.22
4.4.00.0000.03012.22
4.3.110.0000.04012.22
4.3.100.0030.03012.22
4.3.90.0000.03312.22
4.3.80.0070.05012.22
4.3.70.0030.03012.22
4.3.60.0000.04012.22
4.3.50.0000.03312.22
4.3.40.0030.05012.22
4.3.30.0030.03712.22
4.3.20.0030.03012.22
4.3.10.0070.03312.22
4.3.00.0000.03312.22

preferences:
39.33 ms | 401 KiB | 5 Q