3v4l.org

run code in 300+ PHP versions simultaneously
<?php $chars = array( 0 => '0', 1 => '1', 2 => '2', 3 => '3', 4 => '4', 5 => '5', 6 => '6', 7 => '7', 8 => '8', 9 => '9', 10 => 'A', 11 => 'B', 12 => 'C', 13 => 'D', 14 => 'E', 15 => 'F', 16 => 'G', 17 => 'H', 18 => 'I', 19 => 'J', 20 => 'K', 21 => 'L', 22 => 'M', 23 => 'N', 24 => 'O', 25 => 'P', 26 => 'Q', 27 => 'R', 28 => 'S', 29 => 'T', 30 => 'U', 31 => 'V', 32 => 'W', 33 => 'X', 34 => 'Y', 35 => 'Z', 36 => 'a', 37 => 'b', 38 => 'c', 39 => 'd', 40 => 'e', 41 => 'f', 42 => 'g', 43 => 'h', 44 => 'i', 45 => 'j', 46 => 'k', 47 => 'l', 48 => 'm', 49 => 'n', 50 => 'o', 51 => 'p', 52 => 'q', 53 => 'r', 54 => 's', 55 => 't', 56 => 'u', 57 => 'v', 58 => 'w', 59 => 'x', 60 => 'y', 61 => 'z', ); $value = 13000000; for ($i = 0; $i < 100; $i++){ $link = array(); $rem = 0; $i = 0; do { $i++; $rem = $value % 62; $value = ($value - $rem) / 62; $link[$i] = $rem; } while($value > 0); $value = ''; $count = count($link); for ($i = 0; $i < $count; $i++) $value = $value . $chars[$link[$count - $i]]; for ($i = 0; $i < 4 - $count; $i++) $value = 0 . $value; echo $value; }

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)
8.3.60.0200.00316.75
8.3.50.0110.00817.34
8.3.40.0120.00318.65
8.3.30.0120.00318.45
8.3.20.0030.00618.73
8.3.10.0080.00018.72
8.3.00.0080.00019.51
8.2.180.0070.00716.63
8.2.170.0070.00722.96
8.2.160.0070.01018.90
8.2.150.0080.00024.18
8.2.140.0150.00324.66
8.2.130.0040.00426.16
8.2.120.0000.00721.09
8.2.110.0130.00920.97
8.2.100.0090.00317.84
8.2.90.0030.00619.47
8.2.80.0060.00319.46
8.2.70.0040.00417.50
8.2.60.0090.00018.03
8.2.50.0030.00618.07
8.2.40.0060.00318.22
8.2.30.0040.00418.02
8.2.20.0000.00917.72
8.2.10.0000.00817.72
8.2.00.0000.00917.79
8.1.280.0070.01125.92
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0180.00028.09
8.1.240.0170.00322.54
8.1.230.0070.00720.89
8.1.220.0000.00817.79
8.1.210.0080.00318.81
8.1.200.0040.00417.35
8.1.190.0000.00717.53
8.1.180.0000.00818.10
8.1.170.0000.00918.83
8.1.160.0040.00418.97
8.1.150.0060.00318.60
8.1.140.0000.00717.50
8.1.130.0000.00717.87
8.1.120.0030.00517.42
8.1.110.0070.00017.40
8.1.100.0070.00017.55
8.1.90.0070.00017.49
8.1.80.0040.00417.51
8.1.70.0000.00717.48
8.1.60.0040.00417.48
8.1.50.0000.00717.38
8.1.40.0040.00417.61
8.1.30.0060.00317.71
8.1.20.0000.00817.61
8.1.10.0020.00517.60
8.1.00.0090.00017.53
8.0.300.0000.00719.87
8.0.290.0040.00416.75
8.0.280.0000.00718.52
8.0.270.0030.00317.30
8.0.260.0000.00716.89
8.0.250.0070.00017.09
8.0.240.0070.00016.99
8.0.230.0040.00417.01
8.0.220.0030.00316.99
8.0.210.0040.00417.03
8.0.200.0060.00317.11
8.0.190.0040.00417.01
8.0.180.0090.00016.97
8.0.170.0050.00316.97
8.0.160.0000.00717.04
8.0.150.0040.00416.81
8.0.140.0000.00816.84
8.0.130.0000.00613.51
8.0.120.0030.00616.86
8.0.110.0040.00416.89
8.0.100.0090.00016.98
8.0.90.0000.00716.94
8.0.80.0060.01717.00
8.0.70.0000.00716.78
8.0.60.0040.00417.02
8.0.50.0000.00716.79
8.0.30.0140.00817.23
8.0.20.0150.00717.24
8.0.10.0040.00417.04
8.0.00.0050.01416.73
7.4.330.0000.01313.02
7.4.320.0060.00616.42
7.4.300.0100.00316.32
7.4.290.0000.01416.28
7.4.280.0110.00316.46
7.4.270.0090.00616.53
7.4.260.0030.00913.34
7.4.250.0070.00716.49
7.4.240.0100.00316.55
7.4.230.0060.00616.52
7.4.220.0190.03316.53
7.4.210.0170.03616.37
7.4.200.0070.00716.42
7.4.190.0070.00716.61
7.4.160.0300.03916.49
7.4.150.0530.05316.55
7.4.140.0230.03616.49
7.4.130.0430.04316.55
7.4.120.0290.04416.36
7.4.110.0240.04116.46
7.4.100.0310.02716.50
7.4.90.0350.01616.52
7.4.80.0120.05119.39
7.4.70.0220.03516.52
7.4.60.0250.01916.46
7.4.50.0110.00016.60
7.4.40.0100.01916.42
7.4.30.0150.04516.51
7.4.00.0070.02314.99
7.3.330.0100.00313.27
7.3.320.0030.01013.32
7.3.310.0100.00316.42
7.3.300.0040.01016.25
7.3.290.0140.02616.29
7.3.280.0250.02516.27
7.3.270.0570.02716.40
7.3.260.0330.02016.45
7.3.250.0510.03216.31
7.3.240.0360.04016.55
7.3.230.0200.04816.31
7.3.210.0560.03316.39
7.3.200.0290.03816.67
7.3.190.0110.04416.52
7.3.180.0060.03816.50
7.3.170.0200.03616.32
7.3.160.0100.03916.36
7.3.120.0140.01415.07
7.2.330.0430.03116.32
7.2.320.0140.04216.30
7.2.310.0280.04816.72
7.2.300.0220.04216.82
7.2.290.0240.04316.44
7.2.60.0170.01316.95
7.2.00.0130.00319.34
7.1.200.0070.01715.82
7.1.70.0030.01016.75
7.1.60.0140.01417.41
7.1.50.0170.01717.22
7.0.200.0260.02616.89

preferences:
45.29 ms | 401 KiB | 5 Q