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)
7.4.00.0100.00714.84
7.3.120.0050.00814.96
7.3.110.0060.00914.86
7.3.100.0030.00814.76
7.3.90.0060.01014.96
7.3.80.0000.01114.70
7.3.70.0090.00614.99
7.3.60.0070.00715.08
7.3.50.0070.00715.01
7.3.40.0000.01314.76
7.3.30.0040.00714.92
7.3.20.0000.01516.60
7.3.10.0070.00716.70
7.3.00.0080.00416.73
7.2.250.0060.01014.77
7.2.240.0060.00915.32
7.2.230.0090.00615.07
7.2.220.0080.00614.98
7.2.210.0060.00915.01
7.2.200.0030.01014.89
7.2.190.0070.00714.80
7.2.180.0000.01415.09
7.2.170.0040.01215.04
7.2.00.0030.01219.33
7.1.330.0120.00315.80
7.1.320.0060.00615.62
7.1.310.0070.00415.89
7.1.300.0110.00415.53
7.1.290.0000.01115.74
7.1.280.0040.00915.70
7.1.270.0040.00415.70
7.1.260.0070.00415.74
7.1.70.0070.00017.13
7.1.60.0130.01019.30
7.1.50.0040.00717.00
7.1.00.0000.06322.48
7.0.200.0090.00616.47
7.0.140.0130.06321.97
7.0.120.0030.03322.05
7.0.100.0530.07720.00
7.0.90.0500.08720.04
7.0.80.0530.07719.94
7.0.70.0470.04320.01
7.0.60.0500.07319.98
7.0.50.0470.08320.34
7.0.40.0030.08720.04
7.0.30.0070.07720.14
7.0.20.0130.07020.23
7.0.10.0100.08020.02
7.0.00.0100.08720.17
5.6.280.0030.07721.04
5.6.250.0200.07720.82
5.6.240.0030.08720.68
5.6.230.0070.04320.59
5.6.220.0130.08020.62
5.6.210.0130.07720.50
5.6.200.0100.08321.18
5.6.190.0100.07721.14
5.6.180.0130.06321.11
5.6.170.0070.07721.06
5.6.160.0130.07321.09
5.6.150.0100.07720.99
5.6.140.0070.08321.11
5.6.130.0200.07721.06
5.6.120.0170.07321.02
5.6.110.0000.07721.00
5.6.100.0070.08020.95
5.6.90.0000.09021.02
5.6.80.0070.07720.43
5.6.70.0100.07320.40
5.6.60.0170.07020.45
5.6.50.0100.08020.41
5.6.40.0100.08320.46
5.6.30.0130.07020.44
5.6.20.0130.08020.36
5.6.10.0030.08020.40
5.6.00.0100.07320.42
5.5.380.0130.08020.45
5.5.370.0070.04020.42
5.5.360.0100.08720.34
5.5.350.0100.07720.46
5.5.340.0270.04020.88
5.5.330.0030.08320.87
5.5.320.0100.07720.78
5.5.310.0130.07720.64
5.5.300.0100.06320.89
5.5.290.0070.08020.90
5.5.280.0000.09020.89
5.5.270.0170.05720.82
5.5.260.0130.07720.88
5.5.250.0030.08020.72
5.5.240.0100.04320.24
5.5.230.0130.07020.02
5.5.220.0100.07720.30
5.5.210.0070.08020.21
5.5.200.0100.07020.11
5.5.190.0030.09020.25
5.5.180.0070.08020.13
5.5.160.0070.07320.25
5.5.150.0070.06720.18
5.5.140.0100.05020.25
5.5.130.0200.06020.24
5.5.120.0200.06020.24
5.5.110.0030.06020.24
5.5.100.0200.03019.93
5.5.90.0030.05020.17
5.5.80.0100.07320.09
5.5.70.0130.07719.96
5.5.60.0000.05020.10
5.5.50.0070.08020.14
5.5.40.0030.06320.05
5.5.30.0100.08020.13
5.5.20.0100.06020.15
5.5.10.0170.06720.04
5.5.00.0130.07320.03
5.4.450.0100.08019.44
5.4.440.0100.07319.46
5.4.430.0070.06719.41
5.4.420.0170.07319.52
5.4.410.0070.08719.11
5.4.400.0100.07719.05
5.4.390.0070.08319.05
5.4.380.0070.08019.16
5.4.370.0070.08019.16
5.4.360.0070.07319.05
5.4.350.0030.07718.89
5.4.340.0030.06319.09
5.4.320.0070.07319.16
5.4.310.0200.06318.88
5.4.300.0070.07319.16
5.4.290.0030.07718.90
5.4.280.0100.08719.12
5.4.270.0170.06719.09
5.4.260.0100.03719.18
5.4.250.0130.07019.18
5.4.240.0070.06719.08
5.4.230.0170.05719.20
5.4.220.0070.08019.04
5.4.210.0070.07019.04
5.4.200.0070.07319.21
5.4.190.0130.07019.19
5.4.180.0100.05319.08
5.4.170.0100.08019.21
5.4.160.0070.03319.10
5.4.150.0070.05018.86
5.4.140.0070.03316.37
5.4.130.0000.04016.39
5.4.120.0030.04016.45
5.4.110.0000.03716.44
5.4.100.0000.03716.51
5.4.90.0070.03016.44
5.4.80.0070.04716.42
5.4.70.0000.03716.32
5.4.60.0030.03716.37
5.4.50.0000.03316.41
5.4.40.0030.05016.52
5.4.30.0030.03316.50
5.4.20.0030.08016.36
5.4.10.0030.03316.33
5.4.00.0100.03015.85
5.3.290.0070.08014.63
5.3.280.0070.07314.66
5.3.270.0100.07014.70
5.3.260.0030.04314.70
5.3.250.0100.03014.54
5.3.240.0070.03314.64
5.3.230.0000.04014.69
5.3.220.0070.03314.54
5.3.210.0070.03714.52
5.3.200.0030.03314.54
5.3.190.0100.03714.56
5.3.180.0100.03014.57
5.3.170.0030.04714.62
5.3.160.0030.03714.49
5.3.150.0100.05314.63
5.3.140.0000.04014.66
5.3.130.0000.04014.68
5.3.120.0070.03314.61
5.3.110.0000.05714.69
5.3.100.0070.03714.18
5.3.90.0030.03714.00
5.3.80.0070.03313.91
5.3.70.0030.03714.09
5.3.60.0070.03314.01
5.3.50.0070.05714.00
5.3.40.0070.06014.02
5.3.30.0070.03313.89
5.3.20.0030.04713.60
5.3.10.0030.03713.71
5.3.00.0000.03713.56
5.2.170.0030.03011.18
5.2.160.0100.02311.03
5.2.150.0000.03011.28
5.2.140.0030.02711.19
5.2.130.0030.02311.21
5.2.120.0000.03311.17
5.2.110.0000.03011.22
5.2.100.0000.03011.20
5.2.90.0000.03011.12
5.2.80.0100.02311.12
5.2.70.0000.02710.95
5.2.60.0030.02711.10
5.2.50.0070.03310.95
5.2.40.0030.03711.07
5.2.30.0070.04311.04
5.2.20.0030.02710.88
5.2.10.0070.02010.88
5.2.00.0070.03310.64
5.1.60.0000.02310.61
5.1.50.0000.05010.61
5.1.40.0030.05310.61
5.1.30.0170.04710.61
5.1.20.0100.04710.61
5.1.10.0030.03710.61
5.1.00.0070.03710.61
5.0.50.0030.04710.61
5.0.40.0030.02310.61
5.0.30.0070.06010.61
5.0.20.0070.04010.61
5.0.10.0070.04010.61
5.0.00.0100.06310.61
4.4.90.0030.01310.61
4.4.80.0000.01710.61
4.4.70.0030.03010.61
4.4.60.0000.02710.61
4.4.50.0000.01310.61
4.4.40.0030.05010.61
4.4.30.0030.03710.61
4.4.20.0000.03010.61
4.4.10.0000.03710.61
4.4.00.0100.04710.61
4.3.110.0030.03310.61
4.3.100.0000.03710.61
4.3.90.0100.02710.61
4.3.80.0030.05010.61
4.3.70.0070.01710.61
4.3.60.0070.02310.61
4.3.50.0030.03310.61
4.3.40.0100.04310.61
4.3.30.0000.03710.61
4.3.20.0000.03710.61
4.3.10.0030.03310.61
4.3.00.0030.03310.61

preferences:
38.35 ms | 401 KiB | 5 Q