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); $ret = preg_replace($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)
7.3.10.0080.00616.90
7.3.00.0070.00616.83
7.2.130.0070.00817.01
7.2.120.0080.00617.03
7.2.110.0040.01017.04
7.2.100.0060.00617.05
7.2.90.0070.00717.15
7.2.80.0070.00717.14
7.2.70.0060.00917.08
7.2.60.0090.00517.08
7.2.50.0070.00717.11
7.2.40.0070.00917.11
7.2.30.0050.00917.18
7.2.20.0070.00717.08
7.2.10.0090.00517.10
7.2.00.0050.00917.05
7.1.250.0070.00615.95
7.1.240.0050.01115.86
7.1.230.0050.01015.76
7.1.220.0070.00715.95
7.1.210.0070.00615.96
7.1.200.0100.00315.85
7.1.190.0060.00815.93
7.1.180.0010.00816.00
7.1.170.0030.00815.90
7.1.160.0050.00416.01
7.1.150.0020.00915.76
7.1.140.0020.00815.94
7.1.130.0030.01115.91
7.1.120.0070.00515.78
7.1.110.0110.00315.79
7.1.100.0050.00916.03
7.1.90.0000.01116.03
7.1.80.0090.00315.91
7.1.70.0040.00716.39
7.1.60.0080.00916.86
7.1.50.0060.00816.17
7.1.40.0090.00415.95
7.1.30.0080.00515.80
7.1.20.0100.00616.01
7.1.10.0080.00616.02
7.1.00.0070.02718.14
7.0.330.0090.00415.53
7.0.320.0050.01015.64
7.0.310.0030.00715.34
7.0.300.0100.00215.35
7.0.290.0060.00815.54
7.0.280.0060.00615.63
7.0.270.0020.01215.41
7.0.260.0060.00415.35
7.0.250.0080.00415.65
7.0.240.0130.00315.73
7.0.230.0030.00915.62
7.0.220.0050.00715.50
7.0.210.0050.00915.63
7.0.200.0060.00715.92
7.0.190.0060.00815.49
7.0.180.0100.00515.54
7.0.170.0120.00015.61
7.0.160.0050.00515.59
7.0.150.0060.00715.26
7.0.140.0070.02617.74
7.0.130.0050.00715.50
7.0.120.0060.02817.77
7.0.110.0020.03517.87
7.0.100.0050.02817.65
7.0.90.0050.03117.64
7.0.80.0030.03017.73
7.0.70.0070.02917.69
7.0.60.0040.02817.70
7.0.50.0060.02917.81
7.0.40.0030.02316.58
7.0.30.0110.02316.52
7.0.20.0060.02816.49
7.0.10.0040.02916.42
7.0.00.0030.02916.53
5.6.380.0070.00514.59
5.6.370.0040.00714.35
5.6.360.0030.00814.52
5.6.350.0050.00914.37
5.6.340.0030.01014.36
5.6.330.0090.00114.24
5.6.320.0070.00814.57
5.6.310.0050.00714.40
5.6.300.0080.00314.43
5.6.290.0040.00914.63
5.6.280.0040.03016.61
5.6.270.0060.00714.65
5.6.260.0050.02516.54
5.6.250.0040.02716.49
5.6.240.0030.03116.59
5.6.230.0060.02816.70
5.6.220.0040.02616.67
5.6.210.0030.02916.60
5.6.200.0050.02916.68
5.6.190.0090.02016.60
5.6.180.0070.02716.53
5.6.170.0040.02916.50
5.6.160.0040.02816.51
5.6.150.0030.03316.45
5.6.140.0020.03216.65
5.6.130.0030.02916.63
5.6.120.0060.02316.57
5.6.110.0030.03216.55
5.6.100.0080.02816.38
5.6.90.0050.02916.54
5.6.80.0060.02616.28
5.6.70.0050.02616.26
5.6.60.0040.03016.28
5.6.50.0050.02716.25
5.6.40.0010.03016.41
5.6.30.0060.02816.39
5.6.20.0040.02716.25
5.6.10.0080.02516.39
5.6.00.0010.02816.42
5.5.380.0020.02413.48
5.5.370.0020.02913.49
5.5.360.0060.02313.55
5.5.350.0020.02613.48
5.5.340.0050.02613.69
5.5.330.0040.02713.61
5.5.320.0010.03013.76
5.5.310.0020.02513.69
5.5.300.0080.02313.77
5.5.290.0030.02913.72
5.5.280.0020.03013.63
5.5.270.0050.02613.65
5.5.260.0040.02913.62
5.5.250.0030.02913.64
5.5.240.0040.02713.35
5.5.230.0030.02813.47
5.5.220.0030.02513.42
5.5.210.0020.02813.40
5.5.200.0020.02813.32
5.5.190.0020.02913.39
5.5.180.0040.02913.45
5.5.170.0030.00611.46
5.5.160.0050.02513.39
5.5.150.0040.02613.40
5.5.140.0030.02513.48
5.5.130.0050.02313.41
5.5.120.0040.02213.41
5.5.110.0000.02613.42
5.5.100.0060.02213.24
5.5.90.0050.02513.43
5.5.80.0080.02313.21
5.5.70.0050.02613.42
5.5.60.0040.02613.36
5.5.50.0030.02713.36
5.5.40.0040.02413.32
5.5.30.0020.02713.42
5.5.20.0010.02813.32
5.5.10.0020.02713.32
5.5.00.0040.02713.24
5.4.450.0080.02214.15
5.4.440.0030.02814.10
5.4.430.0020.02914.05
5.4.420.0000.02714.06
5.4.410.0040.02714.07
5.4.400.0020.02713.97
5.4.390.0060.02314.08
5.4.380.0030.02613.93
5.4.370.0050.02413.93
5.4.360.0050.02513.96
5.4.350.0030.02814.05
5.4.340.0000.03014.07
5.4.330.0050.00511.43
5.4.320.0030.02614.03
5.4.310.0050.02513.93
5.4.300.0030.02714.03
5.4.290.0010.02613.90
5.4.280.0040.02513.99
5.4.270.0010.02813.90
5.4.260.0060.02113.96
5.4.250.0030.02413.93
5.4.240.0030.02814.06
5.4.230.0020.02313.93
5.4.220.0030.02714.00
5.4.210.0030.02713.88
5.4.200.0030.02613.98
5.4.190.0030.02414.05
5.4.180.0070.02413.91
5.4.170.0030.02714.01
5.4.160.0040.02413.85
5.4.150.0070.02313.95
5.4.140.0030.02813.16
5.4.130.0070.02113.11
5.4.120.0060.02413.17
5.4.110.0050.02613.17
5.4.100.0020.02613.12
5.4.90.0030.02513.09
5.4.80.0070.02213.04
5.4.70.0050.02013.03
5.4.60.0060.02213.01
5.4.50.0060.02312.99
5.4.40.0060.02113.06
5.4.30.0030.02113.10
5.4.20.0020.02713.09
5.4.10.0030.02513.01
5.4.00.0020.02712.80
5.3.290.0030.02812.42
5.3.280.0030.02412.38
5.3.270.0030.02812.43
5.3.260.0050.02612.40
5.3.250.0020.02712.39
5.3.240.0040.02712.39
5.3.230.0040.02612.42
5.3.220.0030.02612.42
5.3.210.0030.02712.40
5.3.200.0020.02612.38
5.3.190.0010.02612.42
5.3.180.0040.02412.38
5.3.170.0060.02512.37
5.3.160.0050.02512.37
5.3.150.0020.02812.37
5.3.140.0030.02712.37
5.3.130.0060.02512.37
5.3.120.0010.02712.36
5.3.110.0020.02812.41
5.3.100.0010.02612.21
5.3.90.0050.02412.27
5.3.80.0040.02312.18
5.3.70.0050.02212.19
5.3.60.0040.02412.18
5.3.50.0040.02212.17
5.3.40.0020.02712.21
5.3.30.0040.02312.16
5.3.20.0060.02012.11
5.3.10.0030.02312.07
5.3.00.0020.02612.11
5.2.170.0000.02311.23
5.2.160.0030.02211.23
5.2.150.0040.02011.18
5.2.140.0030.02211.21
5.2.130.0040.01811.21
5.2.120.0030.02011.21
5.2.110.0020.01911.26
5.2.100.0020.02111.17
5.2.90.0040.02011.26
5.2.80.0010.02111.22
5.2.70.0050.01911.29
5.2.60.0020.02311.22
5.2.50.0030.02211.14
5.2.40.0010.02111.19
5.2.30.0010.02211.20
5.2.20.0000.02211.19
5.2.10.0010.02011.13
5.2.00.0020.02211.12
5.1.60.0020.01810.84
5.1.50.0040.01710.84
5.1.40.0020.01510.89
5.1.30.0000.02210.96
5.1.20.0030.01610.95
5.1.10.0030.01810.93
5.1.00.0020.01810.90
5.0.50.0030.01510.75
5.0.40.0030.01410.75
5.0.30.0020.02210.75
5.0.20.0040.01310.75
5.0.10.0050.01310.75
5.0.00.0050.02010.75
4.4.90.0030.00910.75
4.4.80.0030.01110.75
4.4.70.0010.01210.75
4.4.60.0010.01410.75
4.4.50.0020.01210.75
4.4.40.0030.01610.75
4.4.30.0020.01110.75
4.4.20.0000.01510.75
4.4.10.0020.01210.75
4.4.00.0020.01810.75
4.3.110.0030.01010.75
4.3.100.0010.01310.75
4.3.90.0010.01210.75
4.3.80.0030.01610.75
4.3.70.0020.01210.75
4.3.60.0040.01110.75
4.3.50.0010.01510.75
4.3.40.0000.01710.75
4.3.30.0010.01510.75
4.3.20.0010.01410.75
4.3.10.0040.01110.75
4.3.00.0020.01310.75

preferences:
33.98 ms | 401 KiB | 5 Q