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(); $ret = preg_replace($lets, $num, $val); print_r($ret);die(); $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)
7.4.10.0100.00715.41
7.4.00.0060.01215.38
7.3.130.0070.01015.14
7.3.120.0090.00614.78
7.3.110.0080.00415.01
7.3.100.0100.00314.91
7.3.90.0070.00715.08
7.3.80.0040.01115.12
7.3.70.0030.01314.79
7.3.60.0070.00715.20
7.3.50.0060.00314.89
7.3.40.0100.00314.94
7.3.30.0000.01514.95
7.3.20.0030.00916.91
7.3.10.0070.00716.85
7.3.00.0030.01317.00
7.2.260.0090.00915.35
7.2.250.0070.01315.07
7.2.240.0030.01415.36
7.2.230.0030.01115.25
7.2.220.0060.00915.41
7.2.210.0130.00615.21
7.2.200.0110.00415.24
7.2.190.0090.00615.40
7.2.180.0040.00715.23
7.2.170.0030.01015.18
7.2.160.0000.01315.27
7.2.150.0130.00316.96
7.2.140.0040.00717.23
7.2.130.0030.01316.89
7.2.120.0040.00717.18
7.2.110.0030.01017.13
7.2.100.0030.00717.26
7.2.90.0100.00617.19
7.2.80.0070.00717.16
7.2.70.0060.00917.12
7.2.60.0060.00917.28
7.2.50.0000.01617.25
7.2.40.0000.01516.86
7.2.30.0030.01017.28
7.2.20.0070.00716.89
7.2.10.0090.00317.22
7.2.00.0030.01416.99
7.1.330.0110.00315.77
7.1.320.0030.01016.16
7.1.310.0080.00415.81
7.1.300.0070.00715.98
7.1.290.0040.00916.04
7.1.280.0060.00615.91
7.1.270.0100.00715.95
7.1.260.0100.00615.68
7.1.250.0030.00615.85
7.1.240.0030.01015.80
7.1.230.0000.00915.95
7.1.220.0090.00616.11
7.1.210.0040.00816.05
7.1.200.0030.01215.90
7.1.190.0120.00615.71
7.1.180.0040.00915.76
7.1.170.0030.00615.91
7.1.160.0040.01115.95
7.1.150.0030.00615.93
7.1.140.0000.01015.85
7.1.130.0100.00316.07
7.1.120.0040.01115.87
7.1.110.0070.00715.75
7.1.100.0070.01015.91
7.1.90.0040.01216.04
7.1.80.0100.00315.96
7.1.70.0090.00516.53
7.1.60.0090.01017.68
7.1.50.0150.00616.45
7.1.40.0040.01016.02
7.1.30.0090.00315.90
7.1.20.0040.01115.99
7.1.10.0000.01416.02
7.1.00.0030.02319.26
7.0.330.0060.00915.71
7.0.320.0130.00315.65
7.0.310.0100.00315.62
7.0.300.0000.01515.71
7.0.290.0030.00915.67
7.0.280.0100.00315.64
7.0.270.0030.01015.79
7.0.260.0000.01315.70
7.0.250.0070.00715.75
7.0.240.0030.01015.61
7.0.230.0040.00815.93
7.0.220.0070.00715.77
7.0.210.0040.01215.46
7.0.200.0060.00516.42
7.0.190.0080.00515.53
7.0.180.0080.00815.57
7.0.170.0000.01215.63
7.0.160.0050.00315.69
7.0.150.0000.01415.42
7.0.140.0030.04218.81
7.0.130.0060.00315.55
7.0.120.0000.01515.59
7.0.110.0030.00915.79
7.0.100.0070.00315.67
7.0.90.0060.00815.64
7.0.80.0080.02217.89
7.0.70.0060.02417.88
7.0.60.0050.03117.80
7.0.50.0050.04718.05
7.0.40.0020.03816.70
7.0.30.0110.04516.87
7.0.20.0110.04116.93
7.0.10.0060.03916.85
7.0.00.0080.02616.80
5.6.400.0080.00814.60
5.6.390.0070.00714.79
5.6.380.0140.00014.45
5.6.370.0120.00314.41
5.6.360.0120.00314.35
5.6.350.0030.01314.57
5.6.340.0000.01414.59
5.6.330.0000.01214.29
5.6.320.0110.00414.46
5.6.310.0040.00414.59
5.6.300.0090.00014.64
5.6.290.0040.01114.56
5.6.280.0070.03517.84
5.6.270.0100.00714.72
5.6.260.0030.00814.66
5.6.250.0100.00714.44
5.6.240.0070.01014.63
5.6.230.0070.02817.59
5.6.220.0020.02417.50
5.6.210.0090.02017.52
5.6.200.0090.03617.71
5.6.190.0050.05017.87
5.6.180.0100.04017.78
5.6.170.0070.04317.87
5.6.160.0030.03117.76
5.6.150.0030.05317.80
5.6.140.0090.03917.69
5.6.130.0100.04517.84
5.6.120.0000.05017.70
5.6.110.0060.04817.93
5.6.100.0090.04517.70
5.6.90.0020.04217.72
5.6.80.0100.04017.64
5.6.70.0080.03817.41
5.6.60.0090.04017.35
5.6.50.0030.05017.54
5.6.40.0070.04017.51
5.6.30.0020.04717.33
5.6.20.0120.03717.36
5.6.10.0050.02617.39
5.6.00.0070.04217.39
5.5.380.0040.01114.51
5.5.370.0050.02117.48
5.5.360.0050.02217.37
5.5.350.0050.02117.42
5.5.340.0120.02817.68
5.5.330.0130.03817.67
5.5.320.0050.03317.56
5.5.310.0090.04117.69
5.5.300.0070.04917.71
5.5.290.0080.02317.63
5.5.280.0030.04817.70
5.5.270.0030.04517.69
5.5.260.0110.02117.67
5.5.250.0030.05117.30
5.5.240.0110.03617.30
5.5.230.0040.02917.31
5.5.220.0080.04017.44
5.5.210.0070.04517.30
5.5.200.0050.04717.33
5.5.190.0070.04017.14
5.5.180.0030.03017.40
5.5.170.0090.00614.20
5.5.160.0050.04317.29
5.5.150.0070.03817.41
5.5.140.0140.03017.15
5.5.130.0070.04217.39
5.5.120.0060.02617.23
5.5.110.0100.02217.26
5.5.100.0070.04217.29
5.5.90.0050.04717.21
5.5.80.0050.04617.26
5.5.70.0050.03117.34
5.5.60.0060.04417.12
5.5.50.0130.02817.42
5.5.40.0040.03117.10
5.5.30.0030.03517.43
5.5.20.0050.04417.18
5.5.10.0050.03217.28
5.5.00.0050.04017.26
5.4.450.0130.04216.00
5.4.440.0130.04016.10
5.4.430.0080.04116.12
5.4.420.0060.02516.07
5.4.410.0060.04615.90
5.4.400.0060.04515.93
5.4.390.0080.04115.91
5.4.380.0050.03215.90
5.4.370.0050.02515.87
5.4.360.0100.03715.86
5.4.350.0050.03715.93
5.4.340.0030.03015.93
5.4.330.0060.00312.70
5.4.320.0040.02715.87
5.4.310.0080.03815.87
5.4.300.0090.02615.85
5.4.290.0070.04015.86
5.4.280.0050.02815.94
5.4.270.0100.03715.79
5.4.260.0080.02015.86
5.4.250.0070.03815.85
5.4.240.0030.03115.87
5.4.230.0090.04015.87
5.4.220.0050.02415.87
5.4.210.0120.02815.85
5.4.200.0030.04415.91
5.4.190.0040.03415.79
5.4.180.0030.04315.95
5.4.170.0050.03015.86
5.4.160.0030.02615.90
5.4.150.0020.03515.92
5.4.140.0050.04014.61
5.4.130.0100.03514.58
5.4.120.0050.03214.57
5.4.110.0020.04314.62
5.4.100.0040.02814.61
5.4.90.0080.02014.63
5.4.80.0050.04114.61
5.4.70.0070.03714.62
5.4.60.0050.02314.54
5.4.50.0030.04114.58
5.4.40.0080.03914.57
5.4.30.0080.03514.53
5.4.20.0070.03714.58
5.4.10.0070.03614.53
5.4.00.0070.02714.32
5.3.290.0020.02513.67
5.3.280.0050.03013.68
5.3.270.0150.03313.65
5.3.260.0060.02813.62
5.3.250.0050.03913.70
5.3.240.0060.02613.65
5.3.230.0100.03813.66
5.3.220.0080.02713.70
5.3.210.0070.03713.62
5.3.200.0120.03513.60
5.3.190.0040.02013.60
5.3.180.0050.04113.65
5.3.170.0070.04113.63
5.3.160.0110.03813.67
5.3.150.0130.03313.60
5.3.140.0050.03113.68
5.3.130.0070.03713.62
5.3.120.0070.02213.61
5.3.110.0030.04613.66
5.3.100.0040.03913.37
5.3.90.0060.03013.42
5.3.80.0000.04713.36
5.3.70.0070.03513.35
5.3.60.0100.03713.35
5.3.50.0050.04013.38
5.3.40.0080.03613.29
5.3.30.0050.02513.34
5.3.20.0070.03713.26
5.3.10.0040.03513.14
5.3.00.0080.03113.18
5.2.170.0030.06311.26
5.2.160.0030.04011.02
5.2.150.0000.03711.07
5.2.140.0100.05711.21
5.2.130.0000.06311.19
5.2.120.0070.06311.03
5.2.110.0000.06311.14
5.2.100.0030.06311.02
5.2.90.0070.06311.25
5.2.80.0070.05711.04
5.2.70.0070.06311.02
5.2.60.0070.06311.08
5.2.50.0070.05710.92
5.2.40.0130.04710.88
5.2.30.0030.06711.05
5.2.20.0030.06311.00
5.2.10.0000.03710.83
5.2.00.0070.06010.83
5.1.60.0100.04710.83
5.1.50.0070.05010.83
5.1.40.0000.05010.83
5.1.30.0070.05710.83
5.1.20.0100.05710.83
5.1.10.0070.05010.83
5.1.00.0130.05010.83
5.0.50.0070.03310.83
5.0.40.0070.04310.83
5.0.30.0070.03310.83
5.0.20.0000.04710.83
5.0.10.0070.03310.83
5.0.00.0030.05010.83
4.4.90.0030.02010.83
4.4.80.0030.03710.83
4.4.70.0030.03710.83
4.4.60.0000.03310.83
4.4.50.0030.03310.83
4.4.40.0130.04010.83
4.4.30.0000.03310.83
4.4.20.0030.03310.83
4.4.10.0030.03310.83
4.4.00.0000.05310.83
4.3.110.0000.03310.83
4.3.100.0070.02710.83
4.3.90.0070.03010.83
4.3.80.0070.04710.83
4.3.70.0000.03710.83
4.3.60.0000.02310.83
4.3.50.0030.03710.83
4.3.40.0030.05010.83
4.3.30.0000.03010.83
4.3.20.0030.01710.83
4.3.10.0000.01710.83
4.3.00.0030.03310.83

preferences:
35.36 ms | 401 KiB | 5 Q