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)
7.3.10.0070.01016.70
7.3.00.0070.01016.61
7.2.130.0060.00916.77
7.2.120.0070.00717.02
7.2.110.0120.00316.76
7.2.100.0040.01116.95
7.2.90.0070.00316.91
7.2.80.0110.00417.14
7.2.70.0110.00316.96
7.2.60.0030.01016.81
7.2.50.0130.00016.94
7.2.40.0070.01016.82
7.2.30.0000.01316.89
7.2.20.0070.00716.91
7.2.10.0110.00416.72
7.2.00.0040.01118.28
7.1.250.0030.00915.69
7.1.70.0000.01017.02
7.1.60.0110.01519.40
7.1.50.0090.01217.02
7.1.00.0070.07022.36
7.0.200.0030.00516.73
7.0.140.0070.07022.15
7.0.120.0070.07021.96
7.0.80.0100.08720.02
7.0.70.0100.07319.91
7.0.60.0130.07719.88
7.0.50.0100.08320.39
7.0.40.0130.06720.17
7.0.30.0070.06020.17
7.0.20.0100.05020.15
7.0.10.0130.07720.16
7.0.00.0100.08320.09
5.6.280.0100.06721.09
5.6.230.0070.07720.66
5.6.220.0100.08020.54
5.6.210.0100.04020.65
5.6.200.0130.06021.08
5.6.190.0170.06021.13
5.6.180.0070.09020.95
5.6.170.0070.09021.15
5.6.160.0070.06021.02
5.6.150.0100.07020.98
5.6.140.0070.05021.08
5.6.130.0000.07721.05
5.6.120.0030.07021.08
5.6.110.0170.07021.01
5.6.100.0000.08721.05
5.6.90.0070.07321.02
5.6.80.0130.07020.49
5.6.70.0100.06020.40
5.6.60.0070.04320.45
5.6.50.0000.05020.39
5.6.40.0030.05020.32
5.6.30.0030.08320.48
5.6.20.0170.06720.38
5.6.10.0000.06020.46
5.6.00.0130.07320.43
5.5.370.0100.08020.45
5.5.360.0130.08020.56
5.5.350.0000.09020.48
5.5.340.0100.08720.89
5.5.330.0070.07720.89
5.5.320.0070.03720.82
5.5.310.0070.07320.83
5.5.300.0000.08720.86
5.5.290.0000.04720.92
5.5.280.0100.07020.80
5.5.270.0070.04320.88
5.5.260.0000.05720.87
5.5.250.0070.06320.68
5.5.240.0270.03020.21
5.5.230.0070.08020.26
5.5.220.0130.04020.00
5.5.210.0070.07720.23
5.5.200.0100.07020.29
5.5.190.0100.08020.21
5.5.180.0130.07320.24
5.5.160.0070.08320.19
5.5.150.0070.05720.23
5.5.140.0130.04020.25
5.5.130.0030.04320.12
5.5.120.0000.04320.12
5.5.110.0070.04320.21
5.5.100.0030.03720.03
5.5.90.0030.03320.11
5.5.80.0030.03720.14
5.5.70.0070.04020.00
5.5.60.0030.04020.04
5.5.50.0030.03720.10
5.5.40.0070.03719.96
5.5.30.0000.04320.08
5.5.20.0030.07320.10
5.5.10.0070.03720.02
5.5.00.0070.03320.06
5.4.450.0030.06019.37
5.4.440.0100.06019.49
5.4.430.0100.07719.16
5.4.420.0100.05719.55
5.4.410.0100.03719.38
5.4.400.0030.04019.05
5.4.390.0130.07019.13
5.4.380.0130.07719.13
5.4.370.0100.07019.13
5.4.360.0030.04718.88
5.4.350.0030.08018.85
5.4.340.0100.07318.85
5.4.320.0130.07019.04
5.4.310.0070.07319.21
5.4.300.0030.03719.16
5.4.290.0030.03719.07
5.4.280.0030.04319.17
5.4.270.0030.05019.09
5.4.260.0070.03319.14
5.4.250.0000.04019.04
5.4.240.0070.03318.84
5.4.230.0000.04719.14
5.4.220.0000.04019.02
5.4.210.0030.03719.04
5.4.200.0070.05319.02
5.4.190.0100.03019.22
5.4.180.0030.03719.18
5.4.170.0030.03719.20
5.4.160.0170.07019.03
5.4.150.0100.05719.11
5.4.140.0000.04016.34
5.4.130.0000.04016.19
5.4.120.0030.03716.18
5.4.110.0030.03716.52
5.4.100.0000.03716.39
5.4.90.0030.04316.51
5.4.80.0030.03716.33
5.4.70.0030.03316.41
5.4.60.0100.03016.32
5.4.50.0000.03716.40
5.4.40.0030.03716.40
5.4.30.0070.03316.36
5.4.20.0000.05316.33
5.4.10.0000.05716.33
5.4.00.0030.03715.84
5.3.290.0000.05014.72
5.3.280.0070.04714.74
5.3.270.0130.02314.59
5.3.260.0030.08314.75
5.3.250.0030.05014.72
5.3.240.0030.04014.55
5.3.230.0070.03014.72
5.3.220.0000.04314.60
5.3.210.0000.04314.55
5.3.200.0030.03714.60
5.3.190.0000.04014.70
5.3.180.0070.03314.67
5.3.170.0030.03714.53
5.3.160.0030.05014.50
5.3.150.0070.03314.49
5.3.140.0030.03714.59
5.3.130.0100.03714.52
5.3.120.0100.06714.58
5.3.110.0070.06714.67
5.3.100.0030.06314.03
5.3.90.0030.03714.08
5.3.80.0000.04014.13
5.3.70.0100.03013.92
5.3.60.0000.04014.00
5.3.50.0070.03314.09
5.3.40.0030.03713.85
5.3.30.0030.03713.94
5.3.20.0000.03713.67
5.3.10.0000.03713.64
5.3.00.0070.03013.63
5.2.170.0000.03011.20
5.2.160.0070.02311.07
5.2.150.0030.02711.06
5.2.140.0030.03011.00
5.2.130.0070.02311.16
5.2.120.0070.03711.03
5.2.110.0000.03011.09
5.2.100.0000.03011.10
5.2.90.0030.02311.02
5.2.80.0000.03011.19
5.2.70.0130.05010.97
5.2.60.0030.06010.91
5.2.50.0070.06310.88
5.2.40.0030.06011.09
5.2.30.0030.05011.00
5.2.20.0100.03311.05
5.2.10.0000.06310.89
5.2.00.0030.04310.84
5.1.60.0030.05310.08
5.1.50.0030.0539.99
5.1.40.0070.05010.07
5.1.30.0100.05010.48
5.1.20.0070.04010.28
5.1.10.0070.03010.19
5.1.00.0070.05710.15
5.0.50.0200.0178.39
5.0.40.0070.0408.45
5.0.30.0030.0378.23
5.0.20.0030.0438.04
5.0.10.0030.0438.26
5.0.00.0100.0638.00
4.4.90.0030.0377.33
4.4.80.0000.0407.33
4.4.70.0000.0237.33
4.4.60.0030.0337.33
4.4.50.0030.0377.33
4.4.40.0000.0577.33
4.4.30.0000.0307.33
4.4.20.0030.0377.33
4.4.10.0030.0207.33
4.4.00.0070.0507.33
4.3.110.0000.0377.33
4.3.100.0000.0307.33
4.3.90.0030.0337.33
4.3.80.0000.0537.33
4.3.70.0170.0307.33
4.3.60.0030.0337.33
4.3.50.0030.0277.33
4.3.40.0230.0437.33
4.3.30.0030.0307.33
4.3.20.0000.0407.33
4.3.10.0000.0277.33
4.3.00.0000.0237.33

preferences:
35.98 ms | 401 KiB | 5 Q