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)
7.2.00.0060.00819.11
7.1.70.0000.00917.27
7.1.60.0040.00716.98
7.1.50.0040.01416.94
7.1.00.0000.08022.24
7.0.200.0080.00016.95
7.0.140.0030.07322.09
7.0.90.0130.07019.91
7.0.80.0170.07319.94
7.0.70.0170.07019.88
7.0.60.0030.06019.98
7.0.50.0130.07320.32
7.0.40.0100.08020.10
7.0.30.0170.07020.13
7.0.20.0070.08720.08
7.0.10.0070.08020.18
7.0.00.0070.08320.17
5.6.240.0200.07720.60
5.6.230.0100.07020.50
5.6.220.0070.07720.74
5.6.210.0070.06720.75
5.6.200.0000.06721.14
5.6.190.0200.07321.04
5.6.180.0100.08021.04
5.6.170.0100.07721.09
5.6.160.0130.07321.06
5.6.150.0030.06020.96
5.6.140.0070.08720.95
5.6.130.0170.05720.95
5.6.120.0100.08021.16
5.6.110.0030.08721.13
5.6.100.0230.07321.00
5.6.90.0030.09721.02
5.6.80.0030.06720.49
5.6.70.0100.07320.40
5.6.60.0100.07320.31
5.6.50.0070.08020.49
5.6.40.0070.05020.37
5.6.30.0200.06320.33
5.6.20.0030.08020.52
5.6.10.0070.04020.30
5.6.00.0130.07020.36
5.5.380.0070.06320.43
5.5.370.0030.05020.50
5.5.360.0070.08020.36
5.5.350.0130.07720.46
5.5.340.0130.08020.92
5.5.330.0070.06320.85
5.5.320.0030.07020.88
5.5.310.0030.07720.87
5.5.300.0070.08320.90
5.5.290.0200.07020.90
5.5.280.0070.07320.91
5.5.270.0100.08020.86
5.5.260.0070.08020.77
5.5.250.0100.08020.74
5.5.240.0130.06020.16
5.5.230.0070.08020.02
5.5.220.0100.07020.18
5.5.210.0070.07720.26
5.5.200.0070.06320.23
5.5.190.0030.06020.24
5.5.180.0100.07720.18
5.5.160.0070.08320.09
5.5.150.0100.07320.15
5.5.140.0070.07320.18
5.5.130.0070.07719.97
5.5.120.0070.08720.18
5.5.110.0100.05720.18
5.5.100.0130.06320.18
5.5.90.0070.08019.98
5.5.80.0000.08720.16
5.5.70.0130.04020.05
5.5.60.0130.06720.02
5.5.50.0100.06720.00
5.5.40.0070.07720.00
5.5.30.0170.07320.05
5.5.20.0000.08020.11
5.5.10.0030.06019.96
5.5.00.0030.08020.07
5.4.450.0030.05719.38
5.4.440.0070.08319.20
5.4.430.0130.05319.17
5.4.420.0100.08019.37
5.4.410.0070.06319.22
5.4.400.0070.06319.13
5.4.390.0130.07319.05
5.4.380.0030.08019.18
5.4.370.0030.04019.18
5.4.360.0030.06319.14
5.4.350.0000.07719.15
5.4.340.0000.07719.04
5.4.320.0100.06319.05
5.4.310.0130.06318.95
5.4.300.0000.08019.12
5.4.290.0070.07318.88
5.4.280.0130.04019.07
5.4.270.0000.07719.02
5.4.260.0000.08718.94
5.4.250.0130.07718.87
5.4.240.0070.07319.08
5.4.230.0070.07719.04
5.4.220.0130.05318.89
5.4.210.0070.07319.18
5.4.200.0070.07319.13
5.4.190.0100.04019.15
5.4.180.0200.06019.17
5.4.170.0100.04018.84
5.4.160.0100.07319.21
5.4.150.0000.08018.88
5.4.140.0130.04316.44
5.4.130.0070.07716.41
5.4.120.0100.03316.33
5.4.110.0030.03716.41
5.4.100.0000.04016.43
5.4.90.0030.03716.34
5.4.80.0030.03716.41
5.4.70.0070.03316.47
5.4.60.0000.03716.31
5.4.50.0000.03316.37
5.4.40.0000.03316.49
5.4.30.0070.04716.36
5.4.20.0070.03316.48
5.4.10.0030.06716.44
5.4.00.0100.06315.86
5.3.290.0070.03714.76
5.3.280.0100.06314.76
5.3.270.0030.07714.76
5.3.260.0030.07314.76
5.3.250.0030.08314.76
5.3.240.0100.07314.76
5.3.230.0070.06714.76
5.3.220.0000.04014.76
5.3.210.0000.04314.76
5.3.200.0070.03314.76
5.3.190.0100.03714.76
5.3.180.0030.03714.76
5.3.170.0070.03314.76
5.3.160.0030.03314.76
5.3.150.0070.03314.76
5.3.140.0100.03014.76
5.3.130.0070.03714.76
5.3.120.0030.08014.76
5.3.110.0070.06714.76
5.3.100.0070.06314.76
5.3.90.0030.03014.76
5.3.80.0030.05014.76
5.3.70.0000.04014.76
5.3.60.0070.02714.76
5.3.50.0070.03314.76
5.3.40.0100.03014.76
5.3.30.0130.05014.76
5.3.20.0000.03714.76
5.3.10.0030.03314.76
5.3.00.0070.04014.76
5.2.170.0070.02714.76
5.2.160.0000.03714.76
5.2.150.0000.02714.76
5.2.140.0030.03714.76
5.2.130.0000.03314.76
5.2.120.0000.04014.76
5.2.110.0070.02714.76
5.2.100.0000.02714.76
5.2.90.0000.03314.76
5.2.80.0000.03014.76
5.2.70.0070.03314.76
5.2.60.0030.02314.76
5.2.50.0000.05014.76
5.2.40.0070.02714.76
5.2.30.0130.05014.76
5.2.20.0030.06014.76
5.2.10.0100.05714.76
5.2.00.0130.04314.76
5.1.60.0070.04014.76
5.1.50.0000.03314.76
5.1.40.0030.03014.76
5.1.30.0000.02314.76
5.1.20.0000.03014.76
5.1.10.0000.02314.76
5.1.00.0030.02314.76
5.0.50.0000.02314.76
5.0.40.0030.03714.76
5.0.30.0030.06014.76
5.0.20.0030.04714.76
5.0.10.0070.04014.76
5.0.00.0100.06014.76
4.4.90.0030.01714.76
4.4.80.0000.01714.76
4.4.70.0000.01714.76
4.4.60.0000.01714.76
4.4.50.0000.01714.76
4.4.40.0000.02314.76
4.4.30.0030.01314.76
4.4.20.0030.01314.76
4.4.10.0030.02314.76
4.4.00.0030.02314.76
4.3.110.0030.03314.76
4.3.100.0070.02314.76
4.3.90.0030.03314.76
4.3.80.0030.03714.76
4.3.70.0030.02014.76
4.3.60.0000.02314.76
4.3.50.0000.02714.76
4.3.40.0000.02014.76
4.3.30.0000.02714.76
4.3.20.0000.04014.76
4.3.10.0000.01314.76
4.3.00.0000.01314.76

preferences:
36 ms | 400 KiB | 5 Q