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); //var_dump($num); //var_dump($lets); var_dump($val); die(); $ret = preg_replace($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)
7.2.00.0000.01219.54
7.1.70.0100.00017.09
7.1.60.0090.01219.40
7.1.50.0040.01216.80
7.1.00.0000.03722.38
7.0.200.0050.00516.51
7.0.140.0000.07021.98
7.0.100.0130.06719.93
7.0.90.0170.03320.00
7.0.80.0230.05320.14
7.0.70.0230.07319.94
7.0.60.0030.04719.89
7.0.50.0100.04320.24
7.0.40.0070.03720.10
7.0.30.0030.04720.00
7.0.20.0070.04720.04
7.0.10.0070.03720.09
7.0.00.0030.04020.14
5.6.280.0070.06721.11
5.6.250.0130.04020.54
5.6.240.0030.04720.50
5.6.230.0130.07720.63
5.6.220.0100.08320.56
5.6.210.0070.06720.46
5.6.200.0030.04321.11
5.6.190.0170.06721.00
5.6.180.0030.06320.96
5.6.170.0070.04021.17
5.6.160.0030.05321.18
5.6.150.0030.08721.18
5.6.140.0000.05021.02
5.6.130.0030.04320.95
5.6.120.0100.03320.95
5.6.110.0070.04021.03
5.6.100.0070.04021.10
5.6.90.0130.03320.98
5.6.80.0070.03320.39
5.6.70.0000.04320.55
5.6.60.0030.04020.48
5.6.50.0100.07320.41
5.6.40.0070.05720.40
5.6.30.0070.05720.41
5.6.20.0030.07020.44
5.6.10.0100.05320.41
5.6.00.0130.07020.28
5.5.380.0070.08020.52
5.5.370.0070.05020.34
5.5.360.0330.06020.34
5.5.350.0030.09020.47
5.5.340.0030.04020.77
5.5.330.0130.03020.86
5.5.320.0030.04720.88
5.5.310.0100.05020.68
5.5.300.0070.04320.74
5.5.290.0100.03320.92
5.5.280.0000.06320.91
5.5.270.0070.04320.91
5.5.260.0130.03720.86
5.5.250.0070.03320.74
5.5.240.0000.04020.30
5.5.230.0070.06020.15
5.5.220.0100.07720.26
5.5.210.0030.08020.25
5.5.200.0070.06020.24
5.5.190.0070.08020.11
5.5.180.0200.05320.16
5.5.160.0100.07020.27
5.5.150.0130.08020.22
5.5.140.0100.08720.11
5.5.130.0170.06720.17
5.5.120.0100.07720.18
5.5.110.0200.07720.15
5.5.100.0100.07320.10
5.5.90.0130.07720.05
5.5.80.0130.07320.13
5.5.70.0200.07320.05
5.5.60.0070.08320.10
5.5.50.0130.07720.12
5.5.40.0130.07720.06
5.5.30.0070.08020.04
5.5.20.0170.05020.05
5.5.10.0100.04720.06
5.5.00.0100.07320.13
5.4.450.0070.03719.21
5.4.440.0000.04019.17
5.4.430.0000.04319.35
5.4.420.0070.03719.50
5.4.410.0030.04019.07
5.4.400.0100.03019.12
5.4.390.0030.04019.14
5.4.380.0070.03019.13
5.4.370.0030.07318.95
5.4.360.0100.08319.04
5.4.350.0170.06318.90
5.4.340.0030.07719.09
5.4.320.0070.04318.88
5.4.310.0070.06719.02
5.4.300.0030.07018.95
5.4.290.0100.07318.90
5.4.280.0130.06319.20
5.4.270.0070.08019.13
5.4.260.0030.08019.18
5.4.250.0130.07318.86
5.4.240.0000.04318.89
5.4.230.0100.07019.22
5.4.220.0170.06719.13
5.4.210.0170.06019.18
5.4.200.0100.07318.89
5.4.190.0070.07319.02
5.4.180.0070.07719.02
5.4.170.0200.06719.15
5.4.160.0100.06318.93
5.4.150.0070.05719.07
5.4.140.0000.07316.45
5.4.130.0100.04016.35
5.4.120.0070.06716.26
5.4.110.0100.07316.48
5.4.100.0000.06316.36
5.4.90.0030.04016.46
5.4.80.0100.07316.47
5.4.70.0030.07016.49
5.4.60.0030.07716.45
5.4.50.0070.03716.48
5.4.40.0070.07316.38
5.4.30.0000.06716.33
5.4.20.0070.07016.38
5.4.10.0030.06016.30
5.4.00.0070.05715.84
5.3.290.0100.07014.84
5.3.280.0100.06714.84
5.3.270.0070.07314.84
5.3.260.0030.08314.84
5.3.250.0030.08014.84
5.3.240.0100.07314.84
5.3.230.0170.07014.84
5.3.220.0100.07014.84
5.3.210.0070.06014.84
5.3.200.0030.08014.84
5.3.190.0070.03714.84
5.3.180.0070.05714.84
5.3.170.0100.04314.84
5.3.160.0130.06014.84
5.3.150.0200.06014.84
5.3.140.0070.06314.84
5.3.130.0070.07014.84
5.3.120.0130.07714.84
5.3.110.0100.05714.84
5.3.100.0070.07014.84
5.3.90.0070.07014.84
5.3.80.0230.05714.84
5.3.70.0100.07014.84
5.3.60.0000.08014.84
5.3.50.0000.04714.84
5.3.40.0100.06714.84
5.3.30.0070.05714.84
5.3.20.0070.05014.84
5.3.10.0070.04714.84
5.3.00.0030.07714.84
5.2.170.0000.04014.84
5.2.160.0070.05714.84
5.2.150.0100.04314.84
5.2.140.0030.05314.84
5.2.130.0000.03014.84
5.2.120.0000.04314.84
5.2.110.0030.06014.84
5.2.100.0130.05014.84
5.2.90.0030.05314.84
5.2.80.0100.05314.84
5.2.70.0000.06314.84
5.2.60.0000.06314.84
5.2.50.0000.04014.84
5.2.40.0030.06014.84
5.2.30.0070.04714.84
5.2.20.0070.04014.84
5.2.10.0070.05014.84
5.2.00.0000.04314.84
5.1.60.0030.05314.84
5.1.50.0000.03014.84
5.1.40.0130.04314.84
5.1.30.0070.05314.84
5.1.20.0130.03714.84
5.1.10.0070.04314.84
5.1.00.0130.05014.84
5.0.50.0070.04314.84
5.0.40.0000.03714.84
5.0.30.0070.06314.84
5.0.20.0070.04314.84
5.0.10.0070.04014.84
5.0.00.0030.06014.84
4.4.90.0030.03014.84
4.4.80.0030.03714.84
4.4.70.0000.04014.84
4.4.60.0030.03314.84
4.4.50.0000.03714.84
4.4.40.0030.05014.84
4.4.30.0030.03714.84
4.4.20.0030.02714.84
4.4.10.0000.03014.84
4.4.00.0030.05314.84
4.3.110.0000.02714.84
4.3.100.0030.03714.84
4.3.90.0070.03014.84
4.3.80.0000.05014.84
4.3.70.0000.02314.84
4.3.60.0000.03714.84
4.3.50.0000.03314.84
4.3.40.0030.04314.84
4.3.30.0000.03714.84
4.3.20.0070.03014.84
4.3.10.0030.03314.84
4.3.00.0000.03714.84

preferences:
31.91 ms | 401 KiB | 5 Q