3v4l.org

run code in 300+ PHP versions simultaneously
<?php generate(); // FUNCTION function generate() { $digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY"; //now we generate a new random ID number using the substrings of the digitList string above $three_chars = NULL; $three_chars .= substr( $digilist, rand( 1, 9 ), 1 ); $three_chars .= substr( $digilist, rand( 10, 31 ), 1 ); $three_chars .= substr( $digilist, rand( 10, 31 ), 1 ); for( $i = 22; $i < 100; $i++) { $id = $three_chars . $i; $key = get_key( $id ); echo $id . ":" . $key . "\n"; } } function get_key( $id ) { $digilist = "0123456789ABCDEFGHJKLMNPQRTUVWXY"; //ok so now we need to generate an MD5 hash of our ID $hash = md5($id); //cycle through the hash 16 (length of key) times (in steps of 2 because each hex bytes is 2 digits long) $i = 0; $key = NULL; for ($i; $i < 32; $i+=2) { //here we convert the next hex value to an integer and perform a bitwise AND operation against '31' //31 is the highest substring value in our digit list. $nextdigit = hexdec(substr($hash, $i, 2)) & 31; //if 'i' is divisable by 8 (every 4 cycles) then we want to add "-" if ((($i % 8) == 0) && ($i > 0)) { $key .= "-".substr($digilist, $nextdigit, 1); } else { $key .= substr($digilist, $nextdigit, 1); } } return $key; }

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)
8.2.60.0060.00617.89
8.2.50.0050.01417.38
8.2.40.0150.00217.23
8.2.30.0160.00017.25
8.2.20.0080.00817.63
8.2.10.0070.00517.68
8.2.00.0080.00817.63
8.1.190.0180.00016.88
8.1.180.0160.00217.11
8.1.170.0130.00417.38
8.1.160.0170.00317.35
8.1.150.0160.00317.13
8.1.140.0080.00617.37
8.1.130.0100.00717.35
8.1.120.0130.00517.36
8.1.110.0130.00417.42
8.1.100.0170.00217.40
8.1.90.0160.00217.47
8.1.80.0080.01017.45
8.1.70.0120.00417.49
8.1.60.0130.00517.48
8.1.50.0140.00317.49
8.1.40.0110.00617.48
8.1.30.0120.00617.50
8.1.20.0070.01017.58
8.1.10.0130.00717.44
8.1.00.0140.00617.35
8.0.280.0100.00716.63
8.0.270.0110.00516.76
8.0.260.0100.00616.75
8.0.250.0120.00516.88
8.0.240.0110.00516.80
8.0.230.0100.00616.78
8.0.220.0120.00516.73
8.0.210.0130.00516.81
8.0.200.0130.00416.77
8.0.190.0110.00616.72
8.0.180.0120.00516.74
8.0.170.0120.00516.73
8.0.160.0120.00416.74
8.0.150.0120.00316.70
8.0.140.0110.00616.75
8.0.130.0100.00816.74
8.0.120.0130.00316.75
8.0.110.0120.00416.74
8.0.100.0120.00416.79
8.0.90.0140.00216.78
8.0.80.0120.00516.73
8.0.70.0140.00416.76
8.0.60.0130.00516.74
8.0.50.0130.00416.79
8.0.30.0100.01016.83
8.0.20.0170.00716.86
8.0.10.0140.00816.95
8.0.00.0100.00916.96
7.4.330.0110.00316.15
7.4.320.0140.00316.52
7.4.300.0140.00316.46
7.4.290.0080.00616.44
7.4.280.0140.00316.49
7.4.270.0130.00516.46
7.4.260.0110.00516.49
7.4.250.0120.00416.51
7.4.240.0140.00416.47
7.4.230.0160.00416.52
7.4.220.0130.00416.57
7.4.210.0110.00516.51
7.4.200.0140.00316.54
7.4.190.0120.00416.54
7.4.180.0120.00516.54
7.4.160.0130.00816.55
7.4.150.0130.00816.51
7.4.140.0140.00616.46
7.4.130.0140.00616.46
7.4.120.0110.01016.12
7.4.110.0110.01016.18
7.4.100.0110.01016.13
7.4.90.0110.01016.17
7.4.80.0110.01016.17
7.4.70.0110.01016.21
7.4.60.0110.01016.19
7.4.50.0110.01016.21
7.4.40.0110.01016.21
7.4.30.0110.01016.21
7.4.20.0110.01016.18
7.4.10.0110.01016.10
7.4.00.0110.01016.09
7.3.330.0140.00316.24
7.3.320.0150.00216.25
7.3.310.0130.00316.31
7.3.300.0120.00416.29
7.3.290.0120.00416.32
7.3.280.0110.00616.21
7.3.270.0120.00716.26
7.3.260.0140.00816.33
7.3.250.0140.00816.31
7.3.240.0110.01016.13
7.3.230.0110.00916.20
7.3.220.0110.01016.20
7.3.210.0110.01016.18
7.3.200.0110.01016.17
7.3.190.0110.01016.17
7.3.180.0110.00916.21
7.3.170.0100.01016.17
7.3.160.0110.00916.22
7.3.150.0100.01016.20
7.3.140.0110.00916.20
7.3.130.0110.00916.19
7.3.120.0110.01016.15
7.3.110.0110.00916.13
7.3.100.0110.00916.12
7.3.90.0110.01016.16
7.3.80.0110.00916.14
7.3.70.0100.00916.08
7.3.60.0110.00916.07
7.3.50.0100.00916.11
7.3.40.0110.00916.12
7.3.30.0110.00916.13
7.3.20.0120.00916.20
7.3.10.0110.01016.20
7.3.00.0120.00916.20
7.2.340.0110.01016.39
7.2.330.0110.01016.36
7.2.320.0110.01016.37
7.2.310.0110.01016.38
7.2.300.0110.01016.39
7.2.290.0110.01016.38
7.2.280.0110.01016.38
7.2.270.0110.01016.40
7.2.260.0110.01016.36
7.2.250.0110.01016.37
7.2.240.0110.01016.38
7.2.230.0110.01016.36
7.2.220.0110.01016.38
7.2.210.0110.01016.34
7.2.200.0110.01016.41
7.2.190.0110.01016.32
7.2.180.0110.01016.32
7.2.170.0110.01016.37
7.2.160.0110.01016.35
7.2.150.0120.01016.47
7.2.140.0120.01016.45
7.2.130.0120.01016.49
7.2.120.0110.01016.39
7.2.110.0120.01016.40
7.2.100.0120.01016.45
7.2.90.0120.01016.45
7.2.80.0120.01016.41
7.2.70.0120.01016.36
7.2.60.0120.01016.47
7.2.50.0120.01016.34
7.2.40.0110.01016.41
7.2.30.0110.01016.41
7.2.20.0120.01016.40
7.2.10.0120.01016.44
7.2.00.0110.01016.46
7.1.330.0110.01015.38
7.1.320.0110.00915.39
7.1.310.0110.01015.32
7.1.300.0110.00915.40
7.1.290.0110.00915.39
7.1.280.0110.00915.40
7.1.270.0110.01015.40
7.1.260.0110.01015.36
7.1.250.0110.01015.29
7.1.240.0110.01015.24
7.1.230.0110.01015.17
7.1.220.0110.01015.17
7.1.210.0110.00915.25
7.1.200.0110.00915.18
7.1.190.0110.00915.15
7.1.180.0110.00915.16
7.1.170.0110.01015.19
7.1.160.0110.00915.21
7.1.150.0110.00915.13
7.1.140.0110.00915.12
7.1.130.0110.00915.23
7.1.120.0110.01015.16
7.1.110.0110.01015.33
7.1.100.0110.01015.32
7.1.90.0110.01015.26
7.1.80.0110.00915.14
7.1.70.0110.00915.30
7.1.60.0110.00915.31
7.1.50.0110.01015.21
7.1.40.0110.00915.32
7.1.30.0110.00915.20
7.1.20.0110.01015.22
7.1.10.0110.01015.33
7.1.00.0110.00915.29
7.0.330.0050.01016.52
7.0.320.0110.00516.52
7.0.310.0110.00616.52
7.0.300.0140.00016.52
7.0.290.0100.00516.52
7.0.280.0110.00416.52
7.0.270.0210.00716.52
7.0.260.0080.00816.52
7.0.250.0120.00316.52
7.0.240.0120.00316.52
7.0.230.0130.00316.52
7.0.220.0090.00616.52
7.0.210.0090.00916.52
7.0.200.0120.00416.52
7.0.190.0090.00616.52
7.0.180.0080.00816.52
7.0.170.0110.00416.52
7.0.160.0100.00516.52
7.0.150.0110.00416.52
7.0.140.0050.01116.52
7.0.130.0110.00416.52
7.0.120.0100.00616.52
7.0.110.0050.01016.52
7.0.100.0150.00016.52
7.0.90.0110.00416.52
7.0.80.0100.00416.52
7.0.70.0120.00216.52
7.0.60.0090.00616.52
7.0.50.0180.00716.70
7.0.40.0080.00616.78
7.0.30.0100.00616.91
7.0.20.0100.00416.78
7.0.10.0180.00316.75
7.0.00.0140.00316.77
5.6.400.0090.00516.52
5.6.390.0090.00616.52
5.6.380.0080.00816.52
5.6.370.0090.00916.52
5.6.360.0090.00616.52
5.6.350.0080.00716.52
5.6.340.0100.00516.52
5.6.330.0080.00816.52
5.6.320.0130.00316.52
5.6.310.0080.00816.52
5.6.300.0060.00916.52
5.6.290.0110.00416.52
5.6.280.0100.00516.52
5.6.270.0120.00216.52
5.6.260.0080.00616.52
5.6.250.0070.00716.52
5.6.240.0140.00016.52
5.6.230.0050.01016.52
5.6.220.0140.00016.52
5.6.210.0090.00516.52
5.6.200.0080.00616.52
5.6.190.0100.00316.52
5.6.180.0100.00316.52
5.6.170.0060.00916.52
5.6.160.0100.00316.52
5.6.150.0120.00416.52
5.6.140.0150.00016.52
5.6.130.0120.00416.52
5.6.120.0080.00816.52
5.6.110.0090.00616.52
5.6.100.0140.00016.52
5.6.90.0050.00916.52
5.6.80.0110.00316.52
5.6.70.0100.00416.52
5.6.60.0080.00516.52
5.6.50.0130.00016.52
5.6.40.0000.01416.52
5.6.30.0150.00216.52
5.6.20.0000.01316.52
5.6.10.0150.00016.52
5.6.00.0070.00716.52
5.5.380.0160.00016.52
5.5.370.0070.00716.52
5.5.360.0110.00416.52
5.5.350.0110.00416.52
5.5.340.0110.00316.52
5.5.330.0090.00516.52
5.5.320.0060.00816.52
5.5.310.0110.00416.52
5.5.300.0100.00516.52
5.5.290.0130.00316.52
5.5.280.0120.00416.52
5.5.270.0130.00316.52
5.5.260.0070.00716.52
5.5.250.0110.00416.52
5.5.240.0050.00816.52
5.5.230.0110.00316.52
5.5.220.0140.00016.52
5.5.210.0070.00716.52
5.5.200.0080.00516.52
5.5.190.0130.00016.52
5.5.180.0070.00716.52
5.5.170.0060.00816.52
5.5.160.0060.00916.52
5.5.150.0050.01016.52
5.5.140.0110.00416.52
5.5.130.0000.01416.52
5.5.120.0110.00316.52
5.5.110.0140.00016.52
5.5.100.0140.00016.52
5.5.90.0110.00416.52
5.5.80.0130.00316.52
5.5.70.0110.00416.52
5.5.60.0040.01216.52
5.5.50.0120.00216.52
5.5.40.0100.00316.52
5.5.30.0100.00516.52
5.5.20.0080.00816.52
5.5.10.0130.00016.52
5.5.00.0120.00316.52
5.4.450.0120.00016.52
5.4.440.0070.00516.52
5.4.430.0090.00216.52
5.4.420.0040.00816.52
5.4.410.0060.00616.52
5.4.400.0120.00016.52
5.4.390.0080.00316.52
5.4.380.0120.00016.52
5.4.370.0040.00716.52
5.4.360.0080.00416.52
5.4.350.0040.00716.52
5.4.340.0000.01116.52
5.4.330.0080.00416.52
5.4.320.0070.00416.52
5.4.310.0060.00616.52
5.4.300.0110.00016.52
5.4.290.0080.00416.52
5.4.280.0120.00016.52
5.4.270.0110.00016.52
5.4.260.0080.00516.52
5.4.250.0130.00016.52
5.4.240.0070.00516.52
5.4.230.0080.00416.52
5.4.220.0120.00016.52
5.4.210.0080.00416.52
5.4.200.0060.00616.52
5.4.190.0090.00316.52
5.4.180.0130.00016.52
5.4.170.0060.00616.52
5.4.160.0090.00316.52
5.4.150.0080.00416.52
5.4.140.0060.00616.52
5.4.130.0080.00316.52
5.4.120.0090.00216.52
5.4.110.0080.00416.52
5.4.100.0090.00316.52
5.4.90.0090.00316.52
5.4.80.0080.00416.52
5.4.70.0060.00516.52
5.4.60.0100.00216.52
5.4.50.0090.00316.52
5.4.40.0070.00416.52
5.4.30.0080.00416.52
5.4.20.0080.00416.52
5.4.10.0120.00016.52
5.4.00.0120.00016.52
5.3.290.0040.00816.52
5.3.280.0080.00416.52
5.3.270.0060.00616.52
5.3.260.0120.00016.52
5.3.250.0060.00616.52
5.3.240.0060.00616.52
5.3.230.0090.00516.52
5.3.220.0090.00316.52
5.3.210.0070.00516.52
5.3.200.0000.01116.52
5.3.190.0090.00416.52
5.3.180.0060.00616.52
5.3.170.0040.00816.52
5.3.160.0060.00616.52
5.3.150.0070.00516.52
5.3.140.0120.00016.52
5.3.130.0090.00616.52
5.3.120.0040.00816.52
5.3.110.0060.00616.52
5.3.100.0060.00616.52
5.3.90.0040.00816.52
5.3.80.0060.00616.52
5.3.70.0040.00816.52
5.3.60.0060.00616.52
5.3.50.0080.00416.52
5.3.40.0080.00416.52
5.3.30.0060.00616.52
5.3.20.0050.00516.52
5.3.10.0050.00516.52
5.3.00.0070.00316.52
5.2.170.0040.00716.52
5.2.160.0080.00316.52
5.2.150.0090.00016.52
5.2.140.0040.00416.52
5.2.130.0090.00016.52
5.2.120.0100.00016.52
5.2.110.0040.00416.52
5.2.100.0020.00716.52
5.2.90.0040.00516.52
5.2.80.0100.00016.52
5.2.70.0060.00316.52
5.2.60.0060.00316.52
5.2.50.0090.00016.52
5.2.40.0080.00016.52
5.2.30.0020.00716.52
5.2.20.0070.00216.52
5.2.10.0090.00016.52
5.2.00.0060.00316.52
5.1.60.0080.00016.52
5.1.50.0080.00016.52
5.1.40.0040.00416.52
5.1.30.0050.00316.52
5.1.20.0030.00716.52
5.1.10.0050.00516.52
5.1.00.0000.00916.52
5.0.50.0000.00916.52
5.0.40.0080.00016.52
5.0.30.0000.00816.52
5.0.20.0070.00216.52
5.0.10.0000.00916.52
5.0.00.0050.00316.52
4.4.90.0030.00316.52
4.4.80.0000.00616.52
4.4.70.0000.00516.52
4.4.60.0030.00316.52
4.4.50.0000.00616.52
4.4.40.0000.00616.52
4.4.30.0060.00016.52
4.4.20.0050.00016.52
4.4.10.0030.00316.52
4.4.00.0030.00316.52
4.3.110.0000.00516.52
4.3.100.0050.00016.52
4.3.90.0000.00616.52
4.3.80.0000.00516.52
4.3.70.0000.00516.52
4.3.60.0050.00016.52
4.3.50.0050.00016.52
4.3.40.0060.00016.52
4.3.30.0020.00216.52
4.3.20.0000.00516.52
4.3.10.0020.00216.52
4.3.00.0030.00316.52

preferences:
53.6 ms | 401 KiB | 5 Q