3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'abcdef'; //$str2 = '山本山本本山本山本本山本山本本山本山本本山本山本本山本山本本'; //$str2 = 'ああああああああああいいいいいいいいいいううううううううう'; $str2 = 'アアアアアアアアアアイイイイイイイイイイウウウウウウウウウウ'; echo strlen($str2); // 7 //echo strlen($str); // 7 echo mb_strlen($str, "UTF-8"); // 6 ?>

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)
8.3.60.0030.01018.31
8.3.50.0110.00821.14
8.3.40.0100.00718.75
8.3.30.0110.00420.21
8.3.20.0070.00020.35
8.3.10.0040.00422.09
8.3.00.0040.00422.26
8.2.180.0070.01016.63
8.2.170.0120.00322.96
8.2.160.0070.01322.05
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00020.80
8.2.110.0060.00320.53
8.2.100.0040.00717.48
8.2.90.0040.00418.82
8.2.80.0040.00419.32
8.2.70.0040.00417.49
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0110.00019.84
8.2.30.0050.00319.47
8.2.20.0040.00417.64
8.2.10.0060.00317.55
8.2.00.0080.00017.61
8.1.280.0120.00625.92
8.1.270.0050.00223.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0030.00624.02
8.1.230.0040.00719.19
8.1.220.0060.00317.74
8.1.210.0000.00818.77
8.1.200.0090.00017.25
8.1.190.0060.00317.40
8.1.180.0040.00419.01
8.1.170.0000.00818.41
8.1.160.0060.00418.82
8.1.150.0060.00318.53
8.1.140.0040.00417.38
8.1.130.0030.00317.83
8.1.120.0000.00717.35
8.1.110.0050.00217.31
8.1.100.0040.00417.33
8.1.90.0030.00517.38
8.1.80.0030.00517.37
8.1.70.0000.00717.35
8.1.60.0040.00417.56
8.1.50.0060.00317.46
8.1.40.0030.00617.46
8.1.30.0050.00217.71
8.1.20.0000.00717.65
8.1.10.0000.00717.61
8.1.00.0040.00417.53
8.0.300.0030.00618.77
8.0.290.0000.00817.30
8.0.280.0030.00318.43
8.0.270.0030.00317.32
8.0.260.0000.00716.80
8.0.250.0020.00517.04
8.0.240.0060.00316.91
8.0.230.0070.00016.85
8.0.220.0050.00316.75
8.0.210.0030.00316.86
8.0.200.0030.00316.96
8.0.190.0030.00616.92
8.0.180.0040.00416.87
8.0.170.0040.00416.87
8.0.160.0000.00716.86
8.0.150.0040.00416.89
8.0.140.0070.00016.93
8.0.130.0050.00013.26
8.0.120.0040.00416.84
8.0.110.0000.00816.81
8.0.100.0020.00516.81
8.0.90.0050.00216.95
8.0.80.0040.01116.84
8.0.70.0080.00016.88
8.0.60.0000.00716.87
8.0.50.0040.00416.66
8.0.30.0070.01217.03
8.0.20.0080.00917.40
8.0.10.0040.00416.88
8.0.00.0150.00516.64
7.4.330.0000.00515.10
7.4.320.0000.00616.44
7.4.300.0030.00316.41
7.4.290.0000.00616.53
7.4.280.0040.00416.53
7.4.270.0040.00416.48
7.4.260.0030.00313.22
7.4.250.0040.00416.50
7.4.240.0050.00316.53
7.4.230.0030.00316.63
7.4.220.0060.01616.56
7.4.210.0080.00716.41
7.4.200.0080.00016.53
7.4.190.0000.00716.62
7.4.160.0080.00816.41
7.4.150.0130.00317.40
7.4.140.0070.00917.86
7.4.130.0140.00816.48
7.4.120.0060.01516.47
7.4.110.0130.00416.51
7.4.100.0130.00316.53
7.4.90.0100.00616.53
7.4.80.0080.01119.39
7.4.70.0090.00916.57
7.4.60.0130.00316.50
7.4.50.0000.00616.45
7.4.40.0100.00222.77
7.4.30.0150.00416.33
7.4.00.0060.00914.68
7.3.330.0000.00613.18
7.3.320.0040.00413.04
7.3.310.0000.00716.16
7.3.300.0040.00416.03
7.3.290.0080.00616.14
7.3.280.0070.00716.19
7.3.270.0120.00617.40
7.3.260.0130.00616.37
7.3.250.0080.00916.36
7.3.240.0100.00616.23
7.3.230.0030.01316.39
7.3.210.0130.00316.15
7.3.200.0070.01019.39
7.3.190.0120.00416.34
7.3.180.0060.01116.09
7.3.170.0100.00616.27
7.3.160.0100.00716.41
7.3.120.0060.00914.68
7.3.110.0100.00714.79
7.3.100.0050.00514.58
7.3.90.0070.00714.62
7.3.80.0070.00714.65
7.3.70.0100.00314.54
7.3.60.0080.00414.66
7.3.50.0070.00714.67
7.3.40.0060.00614.68
7.3.30.0090.00614.82
7.3.20.0060.00616.51
7.3.10.0030.00916.48
7.3.00.0030.01316.55
7.2.330.0100.00616.52
7.2.320.0060.01516.43
7.2.310.0080.00816.54
7.2.300.0100.00716.46
7.2.290.0130.00316.17
7.2.240.0030.01314.70
7.2.230.0000.01615.06
7.2.220.0000.01514.70
7.2.210.0050.00514.98
7.2.200.0030.00914.80
7.2.190.0060.01015.03
7.2.180.0070.00714.71
7.2.170.0060.00914.74
7.2.160.0030.01314.80
7.2.150.0060.00916.69
7.2.140.0100.00716.80
7.2.130.0030.01316.69
7.2.120.0060.00616.82
7.2.110.0060.00916.77
7.2.100.0160.00016.69
7.2.90.0070.01016.88
7.2.80.0070.00716.88
7.2.70.0070.01116.74
7.2.60.0070.00716.94
7.2.50.0120.00316.52
7.2.40.0070.01016.83
7.2.30.0100.00316.93
7.2.20.0070.01016.62
7.2.10.0060.00916.81
7.2.00.0030.01018.06
7.1.330.0090.00615.86
7.1.320.0030.01015.80
7.1.310.0090.00615.77
7.1.300.0090.00615.95
7.1.290.0040.01115.79
7.1.280.0030.00715.78
7.1.270.0040.01115.65
7.1.260.0070.01015.45
7.1.250.0060.00615.47
7.1.100.0030.00718.21
7.1.70.0000.01417.21
7.1.60.0060.00619.21
7.1.50.0170.00716.91
7.1.00.0030.07322.33
7.0.200.0000.00716.91
7.0.140.0070.07022.00
7.0.60.0030.07320.04
7.0.50.0170.07717.79
7.0.40.0130.04019.90
7.0.30.0300.07720.17
7.0.20.0330.07720.17
7.0.10.0170.07320.12
7.0.00.0070.08020.12
5.6.280.0070.07021.00
5.6.210.0170.04720.64
5.6.200.0030.04318.17
5.6.190.0200.07320.32
5.6.180.0400.07020.41
5.6.170.0230.08320.71
5.6.160.0130.08020.33
5.6.150.0070.08018.20
5.6.140.0100.08018.12
5.6.130.0170.07018.18
5.6.120.0130.08020.96
5.6.110.0100.05020.99
5.6.100.0130.04321.07
5.6.90.0130.08320.97
5.6.80.0030.06720.50
5.6.70.3130.03320.48
5.5.350.0070.08320.28
5.5.340.0000.04017.96
5.5.330.0030.04320.40
5.5.320.0400.07320.18
5.5.310.0330.07020.29
5.5.300.0030.04017.98
5.5.290.0070.06317.89
5.5.280.0070.08320.79
5.5.270.0100.08020.88
5.5.260.0130.07320.83
5.5.250.0030.04020.68
5.5.240.0000.04720.24
5.4.450.4130.03019.29
5.4.440.0100.05719.52
5.4.430.0670.05719.21
5.4.420.3770.04319.32
5.4.410.4270.04019.11
5.4.400.3570.03318.92
5.4.390.4600.03319.15
5.4.380.4000.03319.04
5.4.370.4670.03718.96
5.4.360.4470.04319.26
5.4.350.4270.04018.91
5.4.340.4070.03319.04
5.4.320.3500.03319.16
5.4.310.3600.04018.87
5.4.300.3700.04018.96
5.4.290.3870.03719.28
5.4.280.4070.04018.96
5.4.270.4470.03318.87
5.4.260.4330.03718.89
5.4.250.4500.04318.96
5.4.240.3870.03719.03
5.4.230.4200.04319.18
5.4.220.3800.04719.14
5.4.210.4070.03719.18
5.4.200.3800.04018.96
5.4.190.5000.04319.11
5.4.180.4100.04018.91
5.4.170.3930.03319.14
5.4.160.4370.04318.86
5.4.150.4570.03019.17
5.4.140.3970.05316.32
5.4.130.2300.03716.25
5.4.120.2200.03716.20
5.4.110.2600.03316.22
5.4.100.2530.03716.43
5.4.90.1700.03716.13
5.4.80.2430.03716.31
5.4.70.0000.03716.36
5.4.60.0000.03716.54
5.4.50.3770.03716.35
5.4.40.2570.02316.33
5.4.30.1430.03316.32
5.4.20.3030.02716.34
5.4.10.3570.03016.39
5.4.00.3970.04015.82
5.3.290.3770.04314.59
5.3.280.4030.03314.55
5.3.270.4300.04014.57
5.3.260.4670.03714.42
5.3.250.4200.04314.50
5.3.240.4500.03314.56
5.3.230.2330.03314.47
5.3.220.2970.03314.50
5.3.210.2730.04314.50
5.3.200.2330.03714.50
5.3.190.3030.03314.55
5.3.180.3100.03014.50
5.3.170.0070.03314.48
5.3.160.1870.03714.38
5.3.150.3430.04014.48
5.3.140.3300.03014.49
5.3.130.1900.03714.47
5.3.120.2770.04314.49
5.3.110.3800.03014.46
5.3.100.3970.04313.96
5.3.90.3930.04014.03
5.3.80.3600.04013.95
5.3.70.4270.04014.03
5.3.60.3570.03713.82
5.3.50.4200.03013.86
5.3.40.3870.04313.88
5.3.30.0030.07313.84
5.3.20.0030.07713.52
5.3.10.4070.02713.60
5.3.00.4270.03313.61
5.2.170.3330.03011.08
5.2.160.2800.03011.05
5.2.150.3370.03311.23
5.2.140.0070.02711.02
5.2.130.0900.05011.09
5.2.120.3400.02711.00
5.2.110.3330.03311.18
5.2.100.3370.02311.05
5.2.90.3600.02711.09
5.2.80.3200.03010.99
5.2.70.3700.03311.02
5.2.60.3300.03010.86
5.2.50.3270.03310.94
5.2.40.2800.03310.89
5.2.30.2570.02310.82
5.2.20.2870.03311.11
5.2.10.2670.03010.78
5.2.00.2670.02710.76
5.1.60.2830.0239.96
5.1.50.2700.02710.05
5.1.40.2930.0239.92
5.1.30.3270.02310.38
5.1.20.3170.02310.34
5.1.10.2030.02710.01
5.1.00.2300.02310.03
5.0.50.1230.0208.60
5.0.40.1530.0238.30
5.0.30.1670.0278.18
5.0.20.1630.0138.16
5.0.10.1300.0138.18
5.0.00.1330.0338.16
4.4.90.1530.0135.84
4.4.80.1470.0175.79
4.4.70.1600.0175.80
4.4.60.1500.0175.85
4.4.50.1470.0135.81
4.4.40.1630.0275.78
4.4.30.1500.0135.81
4.4.20.1270.0175.84
4.4.10.1700.0135.92
4.4.00.1400.0235.91
4.3.110.1430.0175.70
4.3.100.1430.0175.80
4.3.90.1470.0105.79
4.3.80.1200.0275.67
4.3.70.1430.0135.78
4.3.60.1470.0175.71
4.3.50.1630.0175.71
4.3.40.1630.0235.69
4.3.30.0930.0205.10
4.3.20.0830.0275.10
4.3.10.0870.0235.10
4.3.00.0730.0175.10

preferences:
46.05 ms | 401 KiB | 5 Q