3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(time()); function getNumber($val) { $let = range('a', 'z'); for ($i = 0; $i < count($let); $i++) { $let[$i] = ("'`" . $let[$i] . "`is'"); } var_dump($let); $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)
7.1.70.0040.00417.50
7.1.60.0070.01719.40
7.1.50.0030.01316.96
7.1.00.0000.04322.50
7.0.200.0030.00517.09
7.0.140.0070.07022.20
7.0.100.0300.06720.01
7.0.90.0200.04319.90
7.0.80.0300.08319.89
7.0.70.0230.07319.92
7.0.60.0300.06319.82
7.0.50.0100.07320.24
7.0.40.0000.08720.05
7.0.30.0070.07320.10
7.0.20.0170.07020.10
7.0.10.0130.06020.07
7.0.00.0000.06720.16
5.6.280.0100.06720.82
5.6.250.0130.07720.48
5.6.240.0170.04320.63
5.6.230.0130.04720.57
5.6.220.0170.06720.64
5.6.210.0170.07720.64
5.6.200.0100.07721.06
5.6.190.0100.07721.04
5.6.180.0030.07721.04
5.6.170.0130.07721.04
5.6.160.0100.07021.00
5.6.150.0100.04321.08
5.6.140.0070.07321.07
5.6.130.0070.05021.08
5.6.120.0030.08720.96
5.6.110.0070.06721.03
5.6.100.0070.04321.12
5.6.90.0130.07721.03
5.6.80.0070.07720.43
5.6.70.0000.07020.37
5.6.60.0070.06320.42
5.6.50.0130.06720.42
5.6.40.0100.04320.39
5.6.30.0100.05720.38
5.6.20.0100.08020.38
5.6.10.0000.04720.36
5.6.00.0100.06720.43
5.5.380.0030.08320.36
5.5.370.0070.07720.36
5.5.360.0130.07320.41
5.5.350.0070.08020.39
5.5.340.0200.06720.93
5.5.330.0000.04720.86
5.5.320.0100.07320.64
5.5.310.0100.08020.77
5.5.300.0030.07720.93
5.5.290.0070.07720.77
5.5.280.0200.04720.77
5.5.270.0100.04320.85
5.5.260.0130.04320.75
5.5.250.0030.04320.45
5.5.240.0170.07320.18
5.5.230.0130.06720.09
5.5.220.0070.04720.13
5.5.210.0030.04720.27
5.5.200.0170.07020.21
5.5.190.0130.04020.14
5.5.180.0100.08020.21
5.5.160.0070.04020.24
5.5.150.0130.04720.15
5.5.140.0070.04320.28
5.5.130.0030.08720.11
5.5.120.0100.06720.21
5.5.110.0100.07720.17
5.5.100.0030.08320.10
5.5.90.0000.07720.05
5.5.80.0000.07319.95
5.5.70.0130.07320.00
5.5.60.0100.04020.05
5.5.50.0100.04720.05
5.5.40.0070.07720.09
5.5.30.0130.06019.99
5.5.20.0000.04320.04
5.5.10.0100.07720.02
5.5.00.0000.05320.02
5.4.450.0170.06719.29
5.4.440.0100.06319.45
5.4.430.0170.07019.41
5.4.420.0070.07019.36
5.4.410.0030.07719.25
5.4.400.0070.06719.03
5.4.390.0130.04019.21
5.4.380.0070.05719.04
5.4.370.0070.08019.12
5.4.360.0030.04318.87
5.4.350.0030.05019.13
5.4.340.0100.07719.21
5.4.320.0130.06019.09
5.4.310.0030.07018.92
5.4.300.0100.07719.18
5.4.290.0130.05019.02
5.4.280.0070.07319.11
5.4.270.0100.07019.17
5.4.260.0070.06018.84
5.4.250.0100.07318.90
5.4.240.0070.04318.85
5.4.230.0030.07719.02
5.4.220.0030.08319.03
5.4.210.0100.07019.13
5.4.200.0100.06319.12
5.4.190.0170.02319.02
5.4.180.0070.03719.14
5.4.170.0100.07318.86
5.4.160.0000.04719.19
5.4.150.0070.08318.88
5.4.140.0070.04316.20
5.4.130.0030.04016.32
5.4.120.0070.03316.32
5.4.110.0030.06316.41
5.4.100.0030.06316.56
5.4.90.0030.04316.56
5.4.80.0100.06016.43
5.4.70.0130.06316.55
5.4.60.0030.06716.50
5.4.50.0100.03316.50
5.4.40.0170.06316.52
5.4.30.0030.03716.51
5.4.20.0030.06716.34
5.4.10.0100.05716.36
5.4.00.0000.04715.93
5.3.290.0030.06314.70
5.3.280.0030.03314.73
5.3.270.0130.07314.58
5.3.260.0100.04014.67
5.3.250.0070.07314.75
5.3.240.0170.06014.74
5.3.230.0070.04314.54
5.3.220.0130.06714.61
5.3.210.0130.06714.70
5.3.200.0200.03014.60
5.3.190.0200.06314.64
5.3.180.0130.07314.56
5.3.170.0030.08014.59
5.3.160.0130.06714.54
5.3.150.0070.05714.55
5.3.140.0100.07314.50
5.3.130.0070.06314.63
5.3.120.0070.04314.70
5.3.110.0100.07014.54
5.3.100.0130.03714.16
5.3.90.0000.04714.17
5.3.80.0070.03313.95
5.3.70.0070.03714.04
5.3.60.0030.03714.04
5.3.50.0000.04014.02
5.3.40.0000.04313.84
5.3.30.0070.03313.97
5.3.20.0070.03713.60
5.3.10.0000.03713.72
5.3.00.0000.03313.75
5.2.170.0030.03011.26
5.2.160.0030.03311.26
5.2.150.0030.03711.26
5.2.140.0000.03311.26
5.2.130.0030.02711.26
5.2.120.0100.02011.26
5.2.110.0000.02711.26
5.2.100.0000.03011.26
5.2.90.0030.03011.26
5.2.80.0000.03711.26
5.2.70.0070.02311.26
5.2.60.0030.03711.26
5.2.50.0000.02711.26
5.2.40.0070.03011.26
5.2.30.0000.03311.26
5.2.20.0100.02011.26
5.2.10.0000.02311.26
5.2.00.0030.05711.26
5.1.60.0030.03311.26
5.1.50.0030.03311.26
5.1.40.0030.02711.26
5.1.30.0030.02711.26
5.1.20.0070.02011.26
5.1.10.0030.02311.26
5.1.00.0070.03711.26
5.0.50.0000.02311.26
5.0.40.0030.01311.26
5.0.30.0000.03311.26
5.0.20.0100.01311.26
5.0.10.0030.01711.26
5.0.00.0070.02311.26
4.4.90.0000.01711.26
4.4.80.0000.02011.26
4.4.70.0000.01711.26
4.4.60.0030.01311.26
4.4.50.0030.01311.26
4.4.40.0000.03011.26
4.4.30.0000.02711.26
4.4.20.0030.01311.26
4.4.10.0000.01711.26
4.4.00.0000.02711.26
4.3.110.0030.01311.26
4.3.100.0000.01311.26
4.3.90.0000.01711.26
4.3.80.0000.02311.26
4.3.70.0000.01711.26
4.3.60.0000.01711.26
4.3.50.0030.01311.26
4.3.40.0000.02311.26
4.3.30.0000.01711.26
4.3.20.0000.01311.26
4.3.10.0000.01711.26
4.3.00.0000.01711.26

preferences:
32.18 ms | 401 KiB | 5 Q