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'"); } $num = range(1, 26); $val = strtolower($val); die(preg_replace('`asda`is', 123, 'this bullasda')); $ret = preg_replace($lets, $num, $val); $ret = substr($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)
7.4.00.0070.01315.03
7.3.120.0130.00714.99
7.3.110.0100.00915.13
7.3.100.0000.01414.88
7.3.90.0060.00915.09
7.3.80.0040.01115.22
7.3.70.0040.00815.04
7.3.60.0040.01115.07
7.3.50.0030.01014.96
7.3.40.0080.00415.08
7.3.30.0090.00615.11
7.3.20.0040.01416.73
7.3.10.0110.00716.96
7.3.00.0030.00916.82
7.2.250.0000.01715.39
7.2.240.0060.01215.10
7.2.230.0100.00615.43
7.2.220.0100.00315.08
7.2.210.0060.00915.18
7.2.200.0040.00815.24
7.2.190.0040.01115.24
7.2.180.0040.01115.21
7.2.170.0150.00014.96
7.1.330.0000.01515.61
7.1.320.0060.00615.91
7.1.310.0030.01015.72
7.1.300.0040.01115.87
7.1.290.0070.00715.93
7.1.280.0040.01116.02
7.1.270.0080.00415.76
7.1.260.0110.00715.81
7.1.70.0000.01017.36
7.1.60.0080.00317.47
7.1.50.0070.01417.17
7.1.00.0070.07322.45
7.0.200.0080.00816.95
7.0.140.0070.07022.09
7.0.60.0300.08320.04
7.0.50.0070.07717.94
7.0.40.0070.09020.16
7.0.30.0270.07020.23
7.0.20.0270.08720.13
7.0.10.0130.06720.24
7.0.00.0100.08020.10
5.6.280.0030.07321.09
5.6.210.0070.08320.48
5.6.200.0070.06718.29
5.6.190.0000.04320.45
5.6.180.0100.04320.55
5.6.170.0270.08320.47
5.6.160.0100.08020.44
5.6.150.0070.05018.12
5.6.140.0100.04718.24
5.6.130.0070.08018.25
5.6.120.0070.07721.13
5.6.110.0100.08021.12
5.6.100.0030.08721.11
5.6.90.0200.08020.99
5.6.80.0230.06320.39
5.5.350.0330.07020.45
5.5.340.0000.04318.09
5.5.330.0130.07020.43
5.5.320.0370.03320.29
5.5.310.0270.05320.37
5.5.300.0030.03717.98
5.5.290.0130.05017.95
5.5.280.0100.04320.90
5.5.270.0070.03720.76
5.5.260.0130.06720.65
5.5.250.0030.07720.55
5.5.240.0200.05020.27
5.4.450.4200.05319.46
5.4.440.4170.04719.29
5.4.430.0830.04019.46
5.4.420.2270.03719.54
5.4.410.3470.04719.38
5.4.400.3730.03319.19
5.4.390.3400.03719.04
5.4.380.3600.03019.12
5.4.370.4570.03718.96
5.4.360.4500.03319.22
5.4.350.4500.03719.04
5.4.340.3670.04719.24
5.4.320.3730.04319.13
5.4.310.3930.03719.19
5.4.300.4530.04019.12
5.4.290.4570.04019.14
5.4.280.4730.03019.12
5.4.270.4530.04319.21
5.4.260.4100.04019.24
5.4.250.4230.04018.91
5.4.240.4400.04319.12
5.4.230.4470.04019.21
5.4.220.4330.03718.96
5.4.210.4530.04319.18
5.4.200.3630.03319.21
5.4.190.4070.03719.21
5.4.180.3930.03719.23
5.4.170.4270.04019.11
5.4.160.4500.04319.17
5.4.150.3600.04019.18
5.4.140.3670.04016.48
5.4.130.3870.03716.34
5.4.120.3770.03316.46
5.4.110.4330.03716.58
5.4.100.3970.03316.49
5.4.90.3800.03316.68
5.4.80.3930.04016.52
5.4.70.4130.02716.55
5.4.60.4100.03316.24
5.4.50.4200.04316.45
5.4.40.3900.03316.53
5.4.30.3770.03716.19
5.4.20.3830.02716.53
5.4.10.4070.03716.32
5.4.00.3970.04015.82
5.3.290.3900.03714.70
5.3.280.4730.02714.52
5.3.270.4130.04014.50
5.3.260.4430.03314.76
5.3.250.3870.03314.63
5.3.240.3770.03714.49
5.3.230.4030.03314.52
5.3.220.3900.04014.58
5.3.210.3930.03714.74
5.3.200.4070.02714.64
5.3.190.3900.04014.62
5.3.180.3670.04014.58
5.3.170.3600.03314.45
5.3.160.3930.04014.59
5.3.150.3670.03014.59
5.3.140.3630.04014.70
5.3.130.4070.04014.55
5.3.120.3870.03014.70
5.3.110.3700.03714.58
5.3.100.4570.03314.08
5.3.90.4330.03314.05
5.3.80.5730.03014.04
5.3.70.3800.03714.02
5.3.60.3870.04014.00
5.3.50.3500.03313.96
5.3.40.4230.04714.10
5.3.30.3700.04013.96
5.3.20.3670.03313.74
5.3.10.3600.04313.60
5.3.00.3670.03313.82
5.2.170.3430.03311.03
5.2.160.3130.02311.10
5.2.150.3130.03011.21
5.2.140.3070.02711.20
5.2.130.3070.02711.17
5.2.120.3600.02711.12
5.2.110.3000.03011.03
5.2.100.3000.03011.27
5.2.90.3170.02311.07
5.2.80.2870.03011.13
5.2.70.3000.03311.09
5.2.60.3130.02711.06
5.2.50.3000.03010.99
5.2.40.2800.03011.00
5.2.30.2870.03310.94
5.2.20.3130.03310.97
5.2.10.3030.02310.86
5.2.00.2500.02710.75
5.1.60.3170.02010.04
5.1.50.3170.02310.06
5.1.40.3300.0239.98
5.1.30.2930.01710.26
5.1.20.3170.03010.43
5.1.10.2800.02710.12
5.1.00.3230.02710.13
5.0.50.1600.0238.64
5.0.40.1430.0178.48
5.0.30.1270.0238.19
5.0.20.1270.0178.25
5.0.10.1670.0208.14
5.0.00.1500.0308.07
4.4.90.1370.0205.89
4.4.80.1230.0175.89
4.4.70.1330.0175.77
4.4.60.1470.0175.94
4.4.50.1600.0175.80
4.4.40.1730.0275.93
4.4.30.1470.0135.89
4.4.20.1700.0175.89
4.4.10.1070.0205.84
4.4.00.1700.0275.89
4.3.110.1500.0105.79
4.3.100.1300.0135.77
4.3.90.1300.0175.84
4.3.80.1700.0275.69
4.3.70.1800.0175.79
4.3.60.1800.0135.76
4.3.50.1500.0175.77
4.3.40.1800.0275.69
4.3.30.1000.0235.48
4.3.20.0900.0235.48
4.3.10.0900.0235.48
4.3.00.0900.0175.48

preferences:
31.07 ms | 400 KiB | 5 Q