3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'abcdefghijlmnoprstuvyz'; $b = 'abcdefghijlmnoprstuvz'; $al = strlen($a); $bl = strlen($b); for ($i = 0; $i < $al; $i++) { for ($j = 0; $j < $al; $j++) { for ($k = 0; $k < $bl; $k++) { echo 'auda' . $a[$i] . $a[$j] . $b[$k] . "\n"; } } }

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)
8.3.60.0200.01016.63
8.3.50.0360.00720.99
8.3.40.0150.00618.54
8.3.30.0030.01718.47
8.3.20.0080.00320.21
8.3.10.0110.00023.66
8.3.00.0040.00723.66
8.2.180.0170.00716.32
8.2.170.0150.00622.96
8.2.160.0170.00320.53
8.2.150.0080.00424.18
8.2.140.0100.00324.66
8.2.130.0090.00319.88
8.2.120.0110.00026.35
8.2.110.0100.00320.45
8.2.100.0190.00617.84
8.2.90.0060.00319.17
8.2.80.0050.00517.97
8.2.70.0060.00317.75
8.2.60.0030.00618.05
8.2.50.0090.00018.07
8.2.40.0000.00922.16
8.2.30.0070.00319.57
8.2.20.0030.00617.91
8.2.10.0090.00018.19
8.2.00.0040.00718.05
8.1.280.0130.01625.92
8.1.270.0140.00720.36
8.1.260.0040.00728.09
8.1.250.0070.00328.09
8.1.240.0100.00721.86
8.1.230.0160.00022.58
8.1.220.0060.00317.74
8.1.210.0070.00318.77
8.1.200.0070.00317.25
8.1.190.0070.00317.13
8.1.180.0090.00018.10
8.1.170.0060.00318.64
8.1.160.0090.00020.70
8.1.150.0060.00318.86
8.1.140.0070.00319.61
8.1.130.0060.00317.77
8.1.120.0000.00917.43
8.1.110.0000.00917.51
8.1.100.0110.00017.50
8.1.90.0100.00017.41
8.1.80.0070.00417.52
8.1.70.0000.00817.58
8.1.60.0060.00317.66
8.1.50.0050.00517.46
8.1.40.0030.00617.61
8.1.30.0090.00017.71
8.1.20.0070.00317.62
8.1.10.0040.00417.50
8.1.00.0040.00417.51
8.0.300.0040.00418.77
8.0.290.0100.00016.75
8.0.280.0000.01118.29
8.0.270.0000.00917.18
8.0.260.0080.00017.10
8.0.250.0050.00316.82
8.0.240.0030.00616.82
8.0.230.0040.00416.79
8.0.220.0090.00016.88
8.0.210.0060.00316.75
8.0.200.0030.00616.86
8.0.190.0100.00016.87
8.0.180.0030.00616.84
8.0.170.0080.00316.84
8.0.160.0000.01016.82
8.0.150.0030.00616.76
8.0.140.0030.00616.81
8.0.130.0040.00413.35
8.0.120.0030.00616.67
8.0.110.0070.00316.78
8.0.100.0040.00416.79
8.0.90.0060.00316.63
8.0.80.0090.01616.82
8.0.70.0090.00016.66
8.0.60.0030.00616.72
8.0.50.0090.00016.81
8.0.30.0220.01316.77
8.0.20.0180.01917.40
8.0.10.0000.00916.69
8.0.00.0290.02016.52
7.4.330.0040.00416.70
7.4.320.0030.00516.42
7.4.300.0030.00716.49
7.4.290.0030.00616.39
7.4.280.0090.00316.45
7.4.270.0030.00516.39
7.4.260.0090.00016.35
7.4.250.0030.00616.44
7.4.240.0060.00316.43
7.4.230.0090.00016.49
7.4.220.0130.01316.50
7.4.210.0160.01616.43
7.4.200.0060.00316.43
7.4.160.0250.02516.49
7.4.150.0320.00817.40
7.4.140.0310.01517.86
7.4.130.0240.02116.32
7.4.120.0330.01116.30
7.4.110.0190.01316.34
7.4.100.0180.01816.43
7.4.90.0270.00916.30
7.4.80.0280.02919.39
7.4.70.0130.01916.34
7.4.60.0190.01316.28
7.4.50.0070.01016.33
7.4.40.0170.01216.21
7.4.30.0250.01316.15
7.3.330.0040.00413.30
7.3.320.0000.00813.16
7.3.310.0040.00716.26
7.3.300.0060.00316.04
7.3.290.0170.01316.25
7.3.280.0140.01516.24
7.3.270.0400.00317.40
7.3.260.0350.01316.45
7.3.250.0300.01216.34
7.3.240.0240.01216.35
7.3.230.0180.01516.39
7.3.210.0400.03316.44
7.3.200.0230.00619.39
7.3.190.0160.01316.30
7.3.180.0180.01316.20
7.3.170.0140.01816.27
7.3.160.0160.01416.36
7.2.330.0260.02116.59
7.2.320.0150.01616.68
7.2.310.0130.01716.36
7.2.300.0180.02016.59
7.2.290.0190.01216.65

preferences:
42.14 ms | 401 KiB | 5 Q