3v4l.org

run code in 300+ PHP versions simultaneously
<?php define('ALNUM_MAP', str_split('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')); define('DIGIT_MAP', array_flip(ALNUM_MAP)); function numToAlnum($num) { return strtr($num, ALNUM_MAP); } function alnumToNum($alphaNum) { return strtr($alphaNum, DIGIT_MAP); } $ids = ['4440', '464426', '43304441302845', '262018191701180', '273381111186152545352']; foreach ($ids as $id) { $idLength = strlen($id); $alphaNum = numToAlnum($id); $alNumLength = strlen($alphaNum); $backToId = alnumToNum($alphaNum); var_export(['original' => $id, 'encoded' => $alphaNum, 'decoded' => $backToId, 'reduction' => $idLength - $alNumLength]); echo "\n---\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)
8.3.60.0070.01416.48
8.3.50.0180.00318.08
8.3.40.0120.00618.74
8.3.30.0160.00018.80
8.3.20.0090.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00726.16
8.2.180.0040.01125.92
8.2.170.0070.00718.91
8.2.160.0040.01122.96
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.95
8.2.110.0060.00322.05
8.2.100.0060.00618.22
8.2.90.0050.00317.89
8.2.80.0000.00817.97
8.2.70.0040.00418.05
8.2.60.0030.00618.34
8.2.50.0000.00818.10
8.2.40.0040.00419.52
8.2.30.0000.00719.29
8.2.20.0030.00718.16
8.2.10.0090.00019.35
8.2.00.0030.00519.41
8.1.270.0040.00423.99
8.1.260.0090.00026.35
8.1.250.0060.00328.09
8.1.240.0030.00620.50
8.1.230.0000.01120.89
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0080.00018.39
8.1.160.0100.00019.10
8.1.150.0040.00418.97
8.1.140.0030.00618.91
8.1.130.0040.00417.40
8.1.120.0070.00317.39
8.1.110.0000.00817.46
8.1.100.0080.00017.56
8.1.90.0040.00417.43
8.1.80.0040.00417.55
8.1.70.0060.00317.45
8.1.60.0040.00417.44
8.1.50.0040.00417.45
8.1.40.0000.00817.58
8.1.30.0040.00417.70
8.1.20.0040.00417.59
8.1.10.0040.00417.53
8.1.00.0030.00517.43
8.0.300.0090.00021.59
8.0.290.0040.00416.75
8.0.280.0040.00418.48
8.0.270.0000.00716.77
8.0.260.0000.00816.86
8.0.250.0050.00217.02
8.0.240.0000.00716.99
8.0.230.0030.00616.91
8.0.220.0000.00716.79
8.0.210.0030.00316.98
8.0.200.0050.00317.03
8.0.190.0050.00316.88
8.0.180.0000.00716.98
8.0.170.0060.00416.88
8.0.160.0050.00316.89
8.0.150.0040.00416.70
8.0.140.0040.00416.80
8.0.130.0030.00313.35
8.0.120.0040.00416.88
8.0.110.0080.00016.90
8.0.100.0040.00417.00
8.0.90.0040.00416.94
8.0.80.0090.00916.84
8.0.70.0050.00316.94
8.0.60.0040.00416.97
8.0.50.0000.00716.93
8.0.30.0100.00717.01
8.0.20.0190.00417.29
8.0.10.0040.00416.87
8.0.00.0060.01116.84
7.4.330.0000.00415.55
7.4.320.0030.00516.54
7.4.300.0000.00616.55
7.4.290.0070.00016.51
7.4.280.0030.00516.66
7.4.270.0040.00416.63
7.4.260.0030.00313.43
7.4.250.0030.00316.46
7.4.240.0030.00516.56
7.4.230.0050.00316.71
7.4.220.0070.00016.52
7.4.210.0060.01016.62
7.4.200.0000.00716.63
7.4.130.0090.00916.47
7.4.120.0090.01316.53
7.4.110.0060.01216.55
7.4.100.0090.00916.54
7.4.90.0140.00316.48
7.4.80.0170.02016.26
7.4.70.0180.01116.24
7.4.60.0210.01316.30
7.4.50.0260.01916.41
7.4.40.0170.01216.46
7.4.30.0250.00615.95
7.4.20.0180.01016.30
7.4.10.0170.01216.29
7.4.00.0100.01516.68
7.3.330.0070.00016.45
7.3.320.0000.00613.27
7.3.310.0000.00716.45
7.3.300.0070.00016.34
7.3.290.0090.00516.42
7.3.280.0070.01316.33
7.3.260.0110.00916.45
7.3.230.0080.00816.59
7.3.210.0070.01016.40
7.3.200.0210.01016.45
7.3.190.0130.01716.38
7.3.180.0150.01416.46
7.3.170.0200.01016.48
7.3.160.0240.00516.02
7.3.150.0210.01216.26
7.3.140.0090.01816.33
7.3.130.0180.00616.12
7.3.120.0150.01116.36
7.3.110.0150.01216.20
7.3.100.0100.01316.35
7.3.90.0170.00716.23
7.3.80.0150.00916.23
7.3.70.0140.00716.28
7.3.60.0080.01516.31
7.3.50.0220.00616.23
7.3.40.0220.00516.36
7.3.30.0190.00916.23
7.3.20.0420.01816.26
7.3.10.0210.00616.04
7.3.00.0190.00716.08
7.2.330.0100.00716.73
7.2.320.0220.01116.52
7.2.310.0190.01116.38
7.2.300.0200.01316.27
7.2.290.0220.00716.66
7.2.280.0110.01716.33
7.2.270.0180.01116.76
7.2.260.0190.00916.51
7.2.250.0240.00016.32
7.2.240.0160.00816.46
7.2.230.0150.00916.30
7.2.220.0220.01016.48
7.2.210.0200.00316.44
7.2.200.0110.01016.64
7.2.190.0090.01516.29
7.2.180.0250.00616.31
7.2.170.0080.01716.44
7.2.160.0130.01416.36
7.2.150.0100.01816.57
7.2.140.0220.00916.41
7.2.130.0160.01016.52
7.2.120.0150.00716.46
7.2.110.0180.00616.42
7.2.100.0160.01016.51
7.2.90.0190.00616.46
7.2.80.0120.01116.61
7.2.70.0170.00716.39
7.2.60.0300.00616.34
7.2.50.0150.00816.51
7.2.40.0120.00816.46
7.2.30.0120.00916.75
7.2.20.0090.01216.70
7.2.10.0110.01516.52
7.2.00.0140.00716.59

preferences:
54.94 ms | 400 KiB | 5 Q