3v4l.org

run code in 300+ PHP versions simultaneously
<?php $line = 'ABBEKÅS'; echo 'word is '.$line.PHP_EOL; for($i=0;$i<strlen($line);$i++){ echo 'char '.$line[$i].PHP_EOL; } echo PHP_EOL; for($i=0;$i<mb_strlen($line);$i++){ echo 'char '.mb_substr($line, $i, 1).PHP_EOL; }

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)
8.5.10.0040.00420.15
8.5.00.0070.00220.05
8.4.160.0070.00423.86
8.4.150.0000.00214.05
8.4.140.0100.01417.66
8.4.130.0140.00617.66
8.4.120.0110.00920.45
8.4.110.0040.00518.69
8.4.100.0170.00517.47
8.4.90.0110.00918.88
8.4.80.0050.00317.59
8.4.70.0060.00217.77
8.4.60.0120.00818.58
8.4.50.0110.00919.47
8.4.40.0100.01019.38
8.4.30.0140.01017.66
8.4.20.0030.00617.43
8.4.10.0030.00617.84
8.3.280.0090.01118.43
8.3.270.0090.01016.41
8.3.260.0100.00716.37
8.3.250.0120.00518.96
8.3.240.0120.00716.49
8.3.230.0100.00916.53
8.3.220.0130.00517.19
8.3.210.0080.00616.63
8.3.200.0060.00316.61
8.3.190.0120.00617.22
8.3.180.0050.00416.55
8.3.170.0070.01118.83
8.3.160.0150.00418.19
8.3.150.0120.00620.68
8.3.140.0130.01016.68
8.3.130.0040.00418.56
8.3.120.0080.00020.79
8.3.110.0040.00420.94
8.3.100.0040.00724.06
8.3.90.0130.00626.77
8.3.80.0060.00318.56
8.3.70.0100.00616.63
8.3.60.0150.00018.43
8.3.50.0080.01021.88
8.3.40.0070.01418.79
8.3.30.0060.00918.45
8.3.20.0030.00619.09
8.3.10.0040.00421.94
8.3.00.0050.00320.90
8.2.290.0130.00620.54
8.2.280.0090.01018.38
8.2.270.0070.01118.82
8.2.260.0080.00818.15
8.2.250.0080.00016.78
8.2.240.0090.00018.86
8.2.230.0040.00422.58
8.2.220.0050.00337.54
8.2.210.0170.00026.77
8.2.200.0060.00316.75
8.2.190.0070.01116.58
8.2.180.0140.01025.92
8.2.170.0000.01418.91
8.2.160.0100.01022.08
8.2.150.0040.01124.18
8.2.140.0150.00324.66
8.2.130.0000.00819.72
8.2.120.0140.00426.35
8.2.110.0000.01022.07
8.2.100.0040.00817.93
8.2.90.0000.00819.25
8.2.80.0040.00417.97
8.2.70.0030.00517.63
8.2.60.0040.00417.80
8.2.50.0060.00319.25
8.2.40.0040.00420.55
8.2.30.0070.00019.50
8.2.20.0000.00817.61
8.2.10.0070.00018.00
8.2.00.0050.00217.95
8.1.330.0120.00821.89
8.1.320.0110.00916.16
8.1.310.0040.01118.38
8.1.300.0160.00316.11
8.1.290.0090.00018.88
8.1.280.0100.00725.92
8.1.270.0050.00322.19
8.1.260.0100.00728.09
8.1.250.0070.01128.09
8.1.240.0090.00019.26
8.1.230.0030.00717.42
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00717.48
8.1.190.0000.00817.25
8.1.180.0030.00518.10
8.1.170.0060.00318.56
8.1.160.0020.00520.75
8.1.150.0040.00418.72
8.1.140.0080.00019.48
8.1.130.0040.00419.23
8.1.120.0030.00317.41
8.1.110.0060.00317.49
8.1.100.0070.00017.38
8.1.90.0030.00517.50
8.1.80.0050.00217.48
8.1.70.0000.00717.46
8.1.60.0050.00317.57
8.1.50.0030.00717.49
8.1.40.0000.00817.61
8.1.30.0060.00317.73
8.1.20.0030.00617.75
8.1.10.0000.00717.68
8.1.00.0060.00317.56
8.0.300.0050.00218.77
8.0.290.0040.00416.75
8.0.280.0000.00718.56
8.0.270.0030.00317.25
8.0.260.0000.00716.96
8.0.250.0030.00316.92
8.0.240.0050.00317.02
8.0.230.0080.00016.94
8.0.220.0000.00716.91
8.0.210.0030.00316.83
8.0.200.0030.00316.88
8.0.190.0030.00616.93
8.0.180.0000.00716.98
8.0.170.0050.00316.80
8.0.160.0030.00316.84
8.0.150.0000.00816.90
8.0.140.0030.00616.93
8.0.130.0050.00013.41
8.0.120.0060.00316.86
8.0.110.0040.00416.84
8.0.100.0040.00417.00
8.0.90.0020.00616.74
8.0.80.0100.01016.93
8.0.70.0070.00016.76
8.0.60.0000.00816.73
8.0.50.0050.00316.76
8.0.30.0110.00916.97
8.0.20.0140.00417.40
8.0.10.0000.00816.91
8.0.00.0080.00816.62
7.4.330.0000.00516.69
7.4.320.0000.00616.46
7.4.300.0000.00616.30
7.4.290.0100.00016.55
7.4.280.0000.00716.44
7.4.270.0000.00716.63
7.4.260.0050.00316.44
7.4.250.0030.00316.50
7.4.240.0040.00416.47
7.4.230.0070.00016.57
7.4.220.0060.00916.50
7.4.210.0060.01116.51
7.4.200.0000.00716.53
7.4.150.0060.01217.40
7.4.140.0090.00817.86
7.4.130.0130.00416.46
7.4.120.0090.00716.51
7.4.110.0090.00816.41
7.4.100.0120.00616.36
7.4.90.0030.01316.48
7.4.80.0090.01319.39
7.4.70.0090.00616.51
7.4.60.0100.00716.43
7.4.50.0050.00516.61
7.4.40.0030.01516.52
7.4.30.0030.01516.45
7.4.00.0070.01014.75
7.3.330.0040.00313.18
7.3.320.0000.00513.24
7.3.310.0000.00816.33
7.3.300.0040.00416.32
7.3.290.0040.01116.31
7.3.280.0130.00616.35
7.3.270.0090.00917.40
7.3.260.0100.00716.65
7.3.250.0150.00716.40
7.3.240.0040.01416.47
7.3.230.0160.00016.62
7.3.210.0140.00416.36
7.3.200.0080.00816.23
7.3.190.0060.01216.73
7.3.180.0090.00616.55
7.3.170.0110.01116.32
7.3.160.0090.00616.21
7.2.330.0090.01216.79
7.2.320.0170.00716.73
7.2.310.0100.00616.36
7.2.300.0040.02016.75
7.2.290.0160.00316.57
7.1.200.0120.00315.93
7.1.100.0030.00917.73
7.1.70.0000.01017.32
7.1.60.0090.01619.85
7.1.00.0100.07022.46
7.0.200.0420.00714.90
7.0.60.1000.00019.95
7.0.50.0770.00020.21
7.0.40.0700.00020.28
7.0.30.1000.00020.44
7.0.20.0830.00020.29
7.0.10.0830.00020.41
7.0.00.0900.00020.20
5.6.280.0070.09021.13
5.6.210.0900.00020.66
5.6.200.1000.00021.03
5.6.190.0770.00021.06
5.6.180.0800.00021.20
5.6.170.0830.00021.20
5.6.160.0700.00021.06
5.6.150.0800.00021.00
5.6.140.0730.00021.02
5.6.130.0970.00020.98
5.6.120.0830.00021.11
5.6.110.0900.00021.06
5.6.100.1100.00021.03
5.6.90.0100.07721.02
5.6.80.0000.07320.43
5.5.350.0830.00020.57
5.5.340.0770.00020.90
5.5.330.0700.00020.76
5.5.320.0730.00020.79
5.5.310.0870.00020.86
5.5.300.0970.00020.77
5.5.290.1000.00020.82
5.5.280.0770.00020.77
5.5.270.1200.00020.66
5.5.260.1170.00020.95
5.5.250.0070.07320.58
5.5.240.0100.03720.34

preferences:
160.39 ms | 403 KiB | 5 Q