3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(time()); function getNumber($val) { $lets = array(); foreach (range('a', 'z') as $let) { $lets[] = ("'`" . $let . "`is'"); } $num = range(1, 26); $val = strtolower($val); $ret = preg_replace($let, $num, $val); $ret = substr(0, 10, $ret); return $ret; } $b = getNumber($a); echo "<pre>"; var_dump($b);

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)
7.1.70.0060.00317.13
7.1.60.0070.00719.40
7.1.50.0220.01034.77
7.1.00.0000.08022.54
7.0.200.0000.00716.73
7.0.140.0030.07321.96
7.0.120.0100.02721.95
7.0.80.0600.08019.98
7.0.70.0470.08019.90
7.0.60.0570.04719.88
7.0.50.0530.03720.25
7.0.40.0130.04320.11
7.0.30.0100.07720.09
7.0.20.0130.05320.18
7.0.10.0200.06720.10
7.0.00.0130.07320.09
5.6.280.0000.07720.76
5.6.230.0100.07020.69
5.6.220.0070.04320.74
5.6.210.0000.04720.47
5.6.200.0000.06021.05
5.6.190.0070.09020.96
5.6.180.0100.03721.09
5.6.170.0030.06321.18
5.6.160.0100.04720.95
5.6.150.0070.07321.09
5.6.140.0100.04321.05
5.6.130.0070.05721.11
5.6.120.0170.07320.96
5.6.110.0030.08721.01
5.6.100.0030.06321.07
5.6.90.0170.06021.05
5.6.80.0070.08320.40
5.6.70.0170.06320.46
5.6.60.0070.07720.34
5.6.50.0070.07320.50
5.6.40.0030.08720.41
5.6.30.0100.07720.36
5.6.20.0100.05020.44
5.6.10.0200.07020.43
5.6.00.0070.08320.40
5.5.370.0130.06020.52
5.5.360.0070.05020.45
5.5.350.0100.07720.43
5.5.340.0100.03720.91
5.5.330.0100.06020.73
5.5.320.0130.04020.73
5.5.310.0000.08720.88
5.5.300.0030.07720.74
5.5.290.0170.03320.76
5.5.280.0100.05020.79
5.5.270.0030.05320.86
5.5.260.0130.04720.63
5.5.250.0100.08320.70
5.5.240.0170.06720.29
5.5.230.0170.07320.15
5.5.220.0070.04320.26
5.5.210.0070.04020.21
5.5.200.0100.06320.28
5.5.190.0070.08320.19
5.5.180.0070.07720.11
5.5.160.0130.06020.24
5.5.150.0030.05720.14
5.5.140.0170.06720.25
5.5.130.0030.07720.12
5.5.120.0100.07320.06
5.5.110.0130.08020.27
5.5.100.0070.07719.96
5.5.90.0030.08020.15
5.5.80.0030.08020.07
5.5.70.0130.06320.17
5.5.60.0000.05720.08
5.5.50.0070.03720.05
5.5.40.0030.04020.08
5.5.30.0100.04720.03
5.5.20.0070.04319.93
5.5.10.0170.06720.08
5.5.00.0030.07320.18
5.4.450.0070.08319.38
5.4.440.0030.08319.53
5.4.430.0070.03719.27
5.4.420.0170.07019.17
5.4.410.0100.07319.10
5.4.400.0030.08018.90
5.4.390.0030.07719.04
5.4.380.0130.07318.95
5.4.370.0130.06719.14
5.4.360.0070.07019.14
5.4.350.0100.06718.92
5.4.340.0070.04719.15
5.4.320.0030.08019.20
5.4.310.0070.07318.94
5.4.300.0070.03719.20
5.4.290.0030.07719.16
5.4.280.0100.06018.87
5.4.270.0030.08019.04
5.4.260.0000.07319.02
5.4.250.0300.05719.02
5.4.240.0100.07018.84
5.4.230.0230.06019.04
5.4.220.0030.07319.04
5.4.210.0100.07019.20
5.4.200.0000.04719.18
5.4.190.0070.06018.87
5.4.180.0030.04719.10
5.4.170.0130.07319.21
5.4.160.0100.03319.12
5.4.150.0100.07018.86
5.4.140.0130.04716.49
5.4.130.0070.07016.39
5.4.120.0130.06316.41
5.4.110.0030.07716.27
5.4.100.0030.07716.34
5.4.90.0100.06016.43
5.4.80.0000.08016.37
5.4.70.0100.07016.47
5.4.60.0130.07016.32
5.4.50.0000.07316.31
5.4.40.0100.07316.35
5.4.30.0130.05716.37
5.4.20.0030.04016.30
5.4.10.0000.04716.43
5.4.00.0000.04015.93
5.3.290.0100.07714.64
5.3.280.0070.07714.72
5.3.270.0030.08314.67
5.3.260.0000.05014.61
5.3.250.0030.07714.67
5.3.240.0130.07314.55
5.3.230.0070.08014.69
5.3.220.0030.08014.46
5.3.210.0100.04314.63
5.3.200.0100.07714.53
5.3.190.0100.06714.59
5.3.180.0030.06314.48
5.3.170.0030.08014.54
5.3.160.0130.07314.59
5.3.150.0070.07314.54
5.3.140.0000.06014.50
5.3.130.0100.07314.47
5.3.120.0030.04314.50
5.3.110.0070.07014.47
5.3.100.0000.04313.96
5.3.90.0030.03713.95
5.3.80.0030.03713.90
5.3.70.0070.03314.14
5.3.60.0070.03714.01
5.3.50.0030.03714.07
5.3.40.0070.03314.02
5.3.30.0030.04013.91
5.3.20.0000.04013.73
5.3.10.0070.04713.57
5.3.00.0070.03713.71
5.2.170.0030.03311.16
5.2.160.0000.03011.20
5.2.150.0030.03011.25
5.2.140.0000.03711.28
5.2.130.0030.02711.12
5.2.120.0000.03011.13
5.2.110.0000.03011.00
5.2.100.0070.03711.13
5.2.90.0000.05311.14
5.2.80.0070.03311.03
5.2.70.0030.03010.99
5.2.60.0000.03311.17
5.2.50.0070.05011.04
5.2.40.0000.03311.01
5.2.30.0030.03311.04
5.2.20.0070.04311.02
5.2.10.0100.02310.88
5.2.00.0000.04310.77
5.1.60.0030.02310.73
5.1.50.0030.03310.73
5.1.40.0000.03010.73
5.1.30.0070.02310.73
5.1.20.0000.02710.73
5.1.10.0000.02710.73
5.1.00.0000.02710.73
5.0.50.0000.02010.73
5.0.40.0030.03710.73
5.0.30.0000.03310.73
5.0.20.0000.02010.73
5.0.10.0000.02710.73
5.0.00.0000.03310.73
4.4.90.0000.02010.73
4.4.80.0070.02310.73
4.4.70.0000.01710.73
4.4.60.0000.01710.73
4.4.50.0030.01310.73
4.4.40.0000.02710.73
4.4.30.0030.01310.73
4.4.20.0070.01310.73
4.4.10.0000.01710.73
4.4.00.0000.02710.73
4.3.110.0000.02310.73
4.3.100.0030.01310.73
4.3.90.0000.02010.73
4.3.80.0000.02310.73
4.3.70.0030.01310.73
4.3.60.0030.02310.73
4.3.50.0000.01310.73
4.3.40.0000.04710.73
4.3.30.0000.02310.73
4.3.20.0000.01710.73
4.3.10.0000.01310.73
4.3.00.0000.01310.73

preferences:
41.22 ms | 401 KiB | 5 Q