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 < 1000; $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)
8.3.60.0000.01516.88
8.3.50.0100.00822.04
8.3.40.0140.00018.97
8.3.30.0080.00819.14
8.3.20.0000.00820.39
8.3.10.0080.00023.52
8.3.00.0080.00020.67
8.2.180.0150.00616.63
8.2.170.0030.01022.96
8.2.160.0000.01422.23
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0070.00022.16
8.2.110.0040.00422.25
8.2.100.0040.00818.03
8.2.90.0000.00819.17
8.2.80.0080.00017.97
8.2.70.0000.00817.75
8.2.60.0030.00618.05
8.2.50.0000.00818.07
8.2.40.0000.00819.21
8.2.30.0080.00318.19
8.2.20.0070.00017.73
8.2.10.0000.00717.73
8.2.00.0000.00917.72
8.1.280.0100.01025.92
8.1.270.0000.00823.97
8.1.260.0060.00326.35
8.1.250.0060.00328.09
8.1.240.0000.01023.79
8.1.230.0090.00319.13
8.1.220.0000.00817.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0080.00017.63
8.1.180.0030.00618.10
8.1.170.0000.00818.59
8.1.160.0070.00022.06
8.1.150.0040.00418.59
8.1.140.0000.00717.43
8.1.130.0030.00317.92
8.1.120.0040.00417.40
8.1.110.0040.00417.40
8.1.100.0030.00417.49
8.1.90.0040.00417.40
8.1.80.0030.00317.55
8.1.70.0030.00317.36
8.1.60.0000.00717.59
8.1.50.0080.00017.61
8.1.40.0000.00717.52
8.1.30.0050.00317.55
8.1.20.0040.00417.70
8.1.10.0000.00817.60
8.1.00.0060.00317.48
8.0.300.0030.00318.77
8.0.290.0040.00417.30
8.0.280.0000.00818.39
8.0.270.0050.00217.30
8.0.260.0030.00316.89
8.0.250.0030.00317.12
8.0.240.0030.00317.02
8.0.230.0070.00017.06
8.0.220.0030.00316.98
8.0.210.0000.00716.89
8.0.200.0080.00017.14
8.0.190.0000.00916.96
8.0.180.0060.00316.89
8.0.170.0050.00317.00
8.0.160.0050.00316.92
8.0.150.0040.00417.01
8.0.140.0000.00716.93
8.0.130.0030.00313.44
8.0.120.0080.00016.94
8.0.110.0000.00716.95
8.0.100.0040.00416.84
8.0.90.0040.00417.11
8.0.80.0090.01317.05
8.0.70.0050.00316.87
8.0.60.0040.00417.03
8.0.50.0040.00417.03
8.0.30.0070.01217.30
8.0.20.0060.01317.40
8.0.10.0070.00017.13
8.0.00.0060.01316.79
7.4.330.0030.01015.09
7.4.320.0090.00316.55
7.4.300.0140.00016.40
7.4.290.0090.00316.32
7.4.280.0090.00616.49
7.4.270.0090.00316.41
7.4.260.0030.01216.52
7.4.250.0000.01316.44
7.4.240.0050.00816.42
7.4.230.0070.00716.45
7.4.220.0100.03816.53
7.4.210.0190.02216.48
7.4.200.0090.00616.52
7.4.190.0090.00316.51
7.4.160.0310.03816.50
7.4.150.0190.03617.40
7.4.140.0440.03017.86
7.4.130.0260.03516.61
7.4.120.0320.03716.53
7.4.110.0380.03516.52
7.4.100.0450.03816.56
7.4.90.0330.05016.57
7.4.80.0210.03916.43
7.4.70.0190.02516.21
7.4.60.0230.02616.47
7.4.50.0070.01316.12
7.4.40.0100.02422.77
7.4.30.0280.02516.54
7.4.00.0130.02314.73
7.3.330.0060.00913.31
7.3.320.0040.00813.41
7.3.310.0060.00916.39
7.3.300.0000.01316.29
7.3.290.0220.02816.41
7.3.280.0190.02816.34
7.3.270.0630.03117.40
7.3.260.0430.02416.34
7.3.250.0330.03416.39
7.3.240.0510.04016.34
7.3.230.0220.03516.49
7.3.210.0360.03616.33
7.3.200.0430.02519.39
7.3.190.0240.03016.34
7.3.180.0220.03716.54
7.3.170.0220.03116.42
7.3.160.0220.02216.36
7.3.120.0220.01615.09
7.2.330.0400.02416.52
7.2.320.0420.04816.72
7.2.310.0180.04316.43
7.2.300.0270.03916.50
7.2.290.0200.02716.39
7.2.60.0130.01017.00
7.2.00.0100.01019.41
7.1.200.0160.01015.66
7.1.100.0120.00617.88
7.1.70.0100.01416.95
7.1.60.0070.02119.22
7.1.50.0230.01717.20
7.0.200.0130.00616.76

preferences:
37.51 ms | 401 KiB | 5 Q