3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = uniqid(); function getNumber($val) { $lets = array(); foreach (range('a', 'z') as $let) { $lets[] = ("'`" . $let . "`'"); } var_dump($lets);die(); $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)
7.4.10.0110.00714.77
7.4.00.0030.01615.13
7.3.130.0070.01014.92
7.3.120.0060.01215.02
7.3.110.0030.01414.85
7.3.100.0070.01014.88
7.3.90.0100.01015.06
7.3.80.0060.00614.75
7.3.70.0100.00314.95
7.3.60.0090.00414.88
7.3.50.0070.00714.91
7.3.40.0030.01714.94
7.3.30.0070.00714.77
7.3.20.0060.01216.74
7.3.10.0030.01216.63
7.3.00.0030.01216.83
7.2.260.0090.00915.25
7.2.250.0070.01114.91
7.2.240.0070.00715.05
7.2.230.0030.01314.70
7.2.220.0170.00314.58
7.2.210.0060.00614.97
7.2.200.0000.01315.16
7.2.190.0060.00815.10
7.2.180.0100.01015.17
7.2.170.0070.00714.98
7.2.160.0030.00915.06
7.2.150.0090.00916.92
7.2.140.0030.00916.96
7.2.130.0040.00816.92
7.2.120.0080.00416.98
7.2.110.0070.01116.93
7.2.100.0090.00616.82
7.2.90.0110.00317.00
7.2.80.0070.01017.09
7.2.70.0060.00916.91
7.2.60.0060.00916.86
7.2.50.0030.00616.99
7.2.40.0060.00616.77
7.2.30.0070.00717.04
7.2.20.0060.01017.04
7.2.10.0090.00616.95
7.2.00.0030.01216.90
7.1.330.0070.00715.73
7.1.320.0040.01815.82
7.1.310.0090.00615.88
7.1.300.0030.01115.94
7.1.290.0040.01215.43
7.1.280.0090.00615.70
7.1.270.0070.00715.57
7.1.260.0100.00715.73
7.1.250.0030.00915.91
7.1.240.0100.00315.74
7.1.230.0070.01015.80
7.1.220.0140.00315.87
7.1.210.0050.00515.84
7.1.200.0100.00015.96
7.1.190.0070.00315.85
7.1.180.0060.00315.70
7.1.170.0000.01415.74
7.1.160.0030.01315.75
7.1.150.0060.00915.81
7.1.140.0100.00315.84
7.1.130.0000.01515.43
7.1.120.0130.00015.82
7.1.110.0040.00415.95
7.1.100.0070.01015.72
7.1.90.0000.01515.90
7.1.80.0070.00715.61
7.1.70.0020.00916.39
7.1.60.0050.01117.60
7.1.50.0060.01316.44
7.1.40.0060.00615.82
7.1.30.0070.00715.52
7.1.20.0060.00615.93
7.1.10.0030.00715.86
7.1.00.0070.03519.07
7.0.330.0030.01015.44
7.0.320.0030.01315.44
7.0.310.0030.00915.37
7.0.300.0060.00315.63
7.0.290.0030.01015.59
7.0.280.0030.00715.27
7.0.270.0070.00415.50
7.0.260.0110.00315.61
7.0.250.0000.00815.63
7.0.240.0040.01115.48
7.0.230.0060.00915.56
7.0.220.0030.00615.29
7.0.210.0060.00315.24
7.0.200.0000.00916.19
7.0.190.0120.00415.54
7.0.180.0040.00815.55
7.0.170.0090.00315.29
7.0.160.0000.01315.46
7.0.150.0070.00315.54
7.0.140.0050.03918.72
7.0.130.0070.00315.48
7.0.120.0060.00615.10
7.0.110.0000.00815.39
7.0.100.0050.00315.50
7.0.90.0060.00315.57
7.0.80.0030.01015.58
7.0.70.0050.04218.57
7.0.60.0050.04318.55
7.0.50.0060.04118.92
7.0.40.0080.04016.87
7.0.30.0050.04316.83
7.0.20.0070.02816.86
7.0.10.0030.04716.68
7.0.00.0090.04016.65
5.6.400.0070.00714.45
5.6.390.0030.01314.63
5.6.380.0070.01114.36
5.6.370.0070.00414.42
5.6.360.0060.00914.64
5.6.350.0090.00014.80
5.6.340.0040.01114.70
5.6.330.0060.00614.42
5.6.320.0090.00614.45
5.6.310.0030.01014.31
5.6.300.0060.00614.33
5.6.290.0060.01014.39
5.6.280.0050.04017.82
5.6.270.0150.00014.33
5.6.260.0100.00314.61
5.6.250.0000.00914.45
5.6.240.0130.00014.67
5.6.230.0070.01014.44
5.6.220.0080.03317.49
5.6.210.0050.03317.35
5.6.200.0000.03917.57
5.6.190.0020.05117.85
5.6.180.0060.04317.65
5.6.170.0080.03517.70
5.6.160.0020.04817.79
5.6.150.0050.04617.70
5.6.140.0090.04017.75
5.6.130.0030.02817.59
5.6.120.0050.05017.74
5.6.110.0050.04617.79
5.6.100.0040.04717.85
5.6.90.0050.04717.79
5.6.80.0070.04617.48
5.6.70.0070.04217.38
5.6.60.0050.03717.24
5.6.50.0060.03317.41
5.6.40.0070.04517.24
5.6.30.0030.02317.32
5.6.20.0050.04117.38
5.6.10.0020.04617.27
5.6.00.0000.05017.28
5.5.380.0040.01114.33
5.5.370.0030.00714.54
5.5.360.0060.02617.21
5.5.350.0070.04117.26
5.5.340.0060.04517.51
5.5.330.0070.04317.65
5.5.320.0060.04117.56
5.5.310.0050.04517.46
5.5.300.0030.03917.59
5.5.290.0050.04917.63
5.5.280.0100.04517.48
5.5.270.0030.04717.59
5.5.260.0070.03017.62
5.5.250.0030.04117.43
5.5.240.0090.03917.17
5.5.230.0030.04017.07
5.5.220.0020.03817.19
5.5.210.0030.04517.38
5.5.200.0030.02817.20
5.5.190.0020.03217.30
5.5.180.0060.04317.40
5.5.170.0070.00714.19
5.5.160.0050.04517.28
5.5.150.0080.03817.08
5.5.140.0090.02917.14
5.5.130.0090.03417.36
5.5.120.0050.02617.36
5.5.110.0040.04417.38
5.5.100.0090.04217.17
5.5.90.0050.04117.08
5.5.80.0060.04117.27
5.5.70.0050.04217.40
5.5.60.0050.04517.27
5.5.50.0120.03717.04
5.5.40.0070.03317.22
5.5.30.0030.04317.34
5.5.20.0070.04417.27
5.5.10.0030.04517.17
5.5.00.0050.04217.01
5.4.450.0070.03915.65
5.4.440.0030.02515.58
5.4.430.0110.03415.64
5.4.420.0070.03715.65
5.4.410.0030.03815.49
5.4.400.0050.04215.44
5.4.390.0040.04515.44
5.4.380.0090.03715.48
5.4.370.0020.04215.57
5.4.360.0050.04215.54
5.4.350.0020.04015.49
5.4.340.0020.04715.42
5.4.330.0000.01411.94
5.4.320.0030.04215.58
5.4.310.0080.03115.39
5.4.300.0050.03515.57
5.4.290.0030.04215.53
5.4.280.0020.02815.50
5.4.270.0060.04115.53
5.4.260.0030.03115.54
5.4.250.0100.03715.44
5.4.240.0020.04215.49
5.4.230.0030.04515.57
5.4.220.0030.04415.58
5.4.210.0050.04215.42
5.4.200.0050.03715.47
5.4.190.0070.02515.41
5.4.180.0030.04615.51
5.4.170.0030.03315.48
5.4.160.0060.02815.47
5.4.150.0000.04915.49
5.4.140.0080.04014.17
5.4.130.0050.03014.11
5.4.120.0020.02414.12
5.4.110.0050.03814.22
5.4.100.0030.03714.14
5.4.90.0060.02814.19
5.4.80.0090.03014.12
5.4.70.0050.04214.21
5.4.60.0080.03514.19
5.4.50.0070.02714.20
5.4.40.0030.04214.23
5.4.30.0020.04114.13
5.4.20.0020.03214.16
5.4.10.0020.03914.21
5.4.00.0060.02113.84
5.3.290.0070.04013.30
5.3.280.0010.04313.28
5.3.270.0020.04713.30
5.3.260.0050.02313.32
5.3.250.0030.04013.30
5.3.240.0030.04113.26
5.3.230.0040.03413.25
5.3.220.0030.03913.23
5.3.210.0060.03813.24
5.3.200.0030.04313.31
5.3.190.0030.04213.24
5.3.180.0020.04513.30
5.3.170.0060.03813.26
5.3.160.0030.04313.22
5.3.150.0050.04113.30
5.3.140.0030.04613.25
5.3.130.0030.04313.31
5.3.120.0030.03713.21
5.3.110.0050.03013.27
5.3.100.0090.03513.02
5.3.90.0070.03913.03
5.3.80.0020.04212.98
5.3.70.0030.03613.01
5.3.60.0030.04112.96
5.3.50.0020.04212.89
5.3.40.0020.04212.97
5.3.30.0030.03012.88
5.3.20.0070.03512.83
5.3.10.0020.03012.80
5.3.00.0030.02812.82
5.2.170.0100.05311.15
5.2.160.0000.06311.28
5.2.150.0070.05711.16
5.2.140.0070.05711.20
5.2.130.0000.06010.96
5.2.120.0000.06310.99
5.2.110.0000.06711.12
5.2.100.0000.04711.24
5.2.90.0130.05311.12
5.2.80.0100.05711.23
5.2.70.0000.05711.23
5.2.60.0000.06311.19
5.2.50.0000.06011.04
5.2.40.0000.06011.13
5.2.30.0030.06311.04
5.2.20.0070.06011.09
5.2.10.0000.06010.97
5.2.00.0000.04010.77
5.1.60.0000.03310.54
5.1.50.0000.02310.54
5.1.40.0000.02310.54
5.1.30.0000.02710.54
5.1.20.0000.02710.54
5.1.10.0030.02310.54
5.1.00.0000.04710.54
5.0.50.0000.02310.54
5.0.40.0070.01310.54
5.0.30.0030.02710.54
5.0.20.0000.02010.54
5.0.10.0000.01710.54
5.0.00.0000.03010.54
4.4.90.0000.02710.54
4.4.80.0000.03310.54
4.4.70.0000.02010.54
4.4.60.0000.03010.54
4.4.50.0030.03310.54
4.4.40.0000.02310.54
4.4.30.0030.01010.54
4.4.20.0000.01710.54
4.4.10.0070.02310.54
4.4.00.0000.02310.54
4.3.110.0000.01710.54
4.3.100.0000.01310.54
4.3.90.0000.01010.54
4.3.80.0000.03710.54
4.3.70.0030.01710.54
4.3.60.0000.01310.54
4.3.50.0030.01310.54
4.3.40.0000.05010.54
4.3.30.0000.02710.54
4.3.20.0000.03710.54
4.3.10.0000.01310.54
4.3.00.0000.01310.54

preferences:
44.15 ms | 400 KiB | 5 Q