3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(); function getNumber($val) { $lets = array(); foreach (range('a', 'z') as $let) { $lets[] = ("'`" . $let . "`is'"); } $nums = array(); foreach (range(1, 26) as $num) { $nums[] = $num; } $val = strtolower($val); die(preg_replace(array('`a`is', '`l`is'), array(1, 9), 'this bullasda')); $ret = preg_replace($lets, $nums, $val); die($ret); $ret = substr($ret, 0, 10); 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)
7.2.00.0030.01019.28
7.1.70.0040.00417.45
7.1.60.0060.01519.40
7.1.50.0100.01017.16
7.1.00.0030.07722.50
7.0.200.0070.00016.63
7.0.140.0000.07722.12
7.0.120.0100.06721.96
7.0.60.0030.08019.81
7.0.50.0200.06717.91
7.0.40.0070.04320.17
7.0.30.0230.08320.25
7.0.20.0300.07720.10
7.0.10.0070.04320.17
7.0.00.0070.05320.21
5.6.280.0070.07021.13
5.6.210.0070.03720.70
5.6.200.0070.09018.17
5.6.190.0030.05720.50
5.6.180.3300.03320.48
5.6.170.0230.03720.56
5.6.160.0030.07720.61
5.6.150.0070.06318.15
5.6.140.0130.07718.28
5.6.130.0070.03718.14
5.6.120.0030.06321.05
5.6.110.0030.07320.99
5.6.100.0130.07721.09
5.6.90.0130.08020.98
5.6.80.0130.06320.29
5.6.70.3430.04720.53
5.5.350.0000.04020.35
5.5.340.0030.08017.99
5.5.330.0130.08020.29
5.5.320.0270.04720.39
5.5.310.0230.08020.27
5.5.300.0030.04018.04
5.5.290.0030.08017.98
5.5.280.0070.08320.77
5.5.270.0030.05320.90
5.5.260.0070.03720.80
5.5.250.0070.05720.69
5.5.240.0030.07720.13
5.4.450.0130.07319.57
5.4.440.0070.05719.56
5.4.430.0030.05019.47
5.4.420.0100.04719.47
5.4.410.0030.04719.44
5.4.400.0000.07319.25
5.4.390.0170.07019.09
5.4.380.0070.06019.21
5.4.370.0030.04319.15
5.4.360.0100.04719.24
5.4.350.0070.07019.00
5.4.340.0070.06318.95
5.4.320.0070.07018.92
5.4.310.0030.07719.24
5.4.300.0070.06019.24
5.4.290.0070.03718.87
5.4.280.0070.05719.07
5.4.270.0070.03319.14
5.4.260.0070.03719.00
5.4.250.0070.08019.24
5.4.240.0030.06318.86
5.4.230.0070.04318.92
5.4.220.0100.04319.14
5.4.210.0100.07018.88
5.4.200.0000.05018.87
5.4.190.0100.04318.84
5.4.180.0170.07018.84
5.4.170.0100.05719.14
5.4.160.0100.07719.10
5.4.150.0070.05018.98
5.4.140.0100.06716.43
5.4.130.0000.07016.45
5.4.120.0030.07316.51
5.4.110.0100.06316.30
5.4.100.0070.04716.45
5.4.90.0070.05316.50
5.4.80.0070.06016.47
5.4.70.0030.08016.34
5.4.60.0070.05716.51
5.4.50.0070.06016.50
5.4.40.0070.07716.28
5.4.30.0030.06716.30
5.4.20.0030.03716.41
5.4.10.0070.07316.40
5.4.00.0070.05715.75
5.3.290.0030.05014.67
5.3.280.0130.06014.60
5.3.270.0100.06014.65
5.3.260.0030.04314.67
5.3.250.0070.07014.63
5.3.240.0000.05314.50
5.3.230.0130.06014.49
5.3.220.0100.06014.63
5.3.210.0130.05714.61
5.3.200.0070.07314.63
5.3.190.0030.08014.72
5.3.180.0070.07314.60
5.3.170.0070.06714.63
5.3.160.0030.07714.71
5.3.150.0030.05714.62
5.3.140.0070.06714.62
5.3.130.0070.08014.60
5.3.120.0100.03314.71
5.3.110.0030.08314.62
5.3.100.0030.08014.03
5.3.90.0070.05313.95
5.3.80.0070.05714.08
5.3.70.0130.07013.98
5.3.60.0000.04713.96
5.3.50.0000.06014.02
5.3.40.0070.07013.88
5.3.30.0100.06714.08
5.3.20.0030.06313.71
5.3.10.0000.06313.63
5.3.00.0030.07713.79
5.2.170.0070.06011.20
5.2.160.0070.03311.17
5.2.150.0000.04011.15
5.2.140.0130.05311.21
5.2.130.0030.06011.11
5.2.120.0100.03311.27
5.2.110.0000.03711.13
5.2.100.0070.05311.04
5.2.90.0000.06311.18
5.2.80.0030.05011.16
5.2.70.0000.03711.11
5.2.60.0000.04711.02
5.2.50.0000.05010.91
5.2.40.0070.03311.04
5.2.30.0070.04310.94
5.2.20.0000.03010.86
5.2.10.0100.02710.89
5.2.00.0070.02710.73
5.1.60.0030.02310.05
5.1.50.0000.03310.02
5.1.40.0000.0439.89
5.1.30.0070.02310.40
5.1.20.0000.02710.39
5.1.10.0030.04310.22
5.1.00.0030.02310.13
5.0.50.0030.0308.58
5.0.40.0030.0378.44
5.0.30.0070.0608.29
5.0.20.0100.0408.19
5.0.10.0030.0408.23
5.0.00.0030.0408.27
4.4.90.0000.0377.94
4.4.80.0030.0277.94
4.4.70.0070.0107.94
4.4.60.0000.0207.94
4.4.50.0030.0377.94
4.4.40.0030.0277.94
4.4.30.0000.0177.94
4.4.20.0000.0177.94
4.4.10.0000.0207.94
4.4.00.0000.0307.94
4.3.110.0000.0277.94
4.3.100.0030.0307.94
4.3.90.0030.0377.94
4.3.80.0000.0537.94
4.3.70.0000.0177.94
4.3.60.0030.0377.94
4.3.50.0000.0207.94
4.3.40.0000.0477.94
4.3.30.0000.0207.94
4.3.20.0000.0207.94
4.3.10.0000.0177.94
4.3.00.0000.0337.94

preferences:
34.74 ms | 401 KiB | 5 Q