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'"); } $nums = array(); foreach (range(1, 26) as $num) { $nums[] = $num; } $val = strtolower($val); //die(preg_replace('`asda`is', 123, 'this bullasda')); $ret = preg_replace($lets, $nums, $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)
7.4.10.0140.00715.07
7.4.00.0130.00615.09
7.3.130.0060.00615.08
7.3.120.0090.00915.02
7.3.110.0030.01715.23
7.3.100.0000.01314.99
7.3.90.0120.00614.70
7.3.80.0030.00915.24
7.3.70.0030.00715.17
7.3.60.0030.01315.17
7.3.50.0120.00414.99
7.3.40.0120.00614.84
7.3.30.0040.00815.05
7.3.20.0070.00416.83
7.3.10.0030.01016.80
7.3.00.0030.01516.91
7.2.260.0040.01515.02
7.2.250.0040.01215.27
7.2.240.0030.01514.79
7.2.230.0100.01015.25
7.2.220.0110.00714.93
7.2.210.0080.00415.30
7.2.200.0030.01015.30
7.2.190.0030.01315.30
7.2.180.0000.01015.30
7.2.170.0100.00315.27
7.2.160.0030.01515.21
7.2.150.0000.01417.09
7.2.140.0060.00616.88
7.2.130.0060.01517.00
7.2.120.0080.00616.96
7.2.110.0130.00017.25
7.2.100.0030.01017.11
7.2.90.0030.00917.25
7.2.80.0030.00717.08
7.2.70.0040.00716.88
7.2.60.0140.00317.03
7.2.50.0000.01217.02
7.2.40.0040.00816.94
7.2.30.0080.00417.29
7.2.20.0030.01017.13
7.2.10.0000.01516.97
7.2.00.0090.00618.39
7.1.330.0030.01016.02
7.1.320.0040.01115.89
7.1.310.0030.00915.82
7.1.300.0120.00316.03
7.1.290.0060.00315.68
7.1.280.0060.00916.08
7.1.270.0030.01316.03
7.1.260.0000.01716.01
7.1.250.0070.01015.92
7.1.240.0080.00615.70
7.1.230.0090.00016.05
7.1.220.0040.00715.97
7.1.210.0030.00916.06
7.1.200.0000.00816.21
7.1.190.0080.00515.71
7.1.180.0000.00916.00
7.1.170.0030.00916.11
7.1.160.0060.00915.98
7.1.150.0080.00416.00
7.1.140.0040.01115.99
7.1.130.0030.01216.11
7.1.120.0060.00615.71
7.1.110.0030.00615.81
7.1.100.0110.00316.11
7.1.90.0000.01116.07
7.1.80.0100.00315.94
7.1.70.0000.01216.69
7.1.60.0040.01417.69
7.1.50.0090.00816.37
7.1.40.0030.00616.09
7.1.30.0100.00716.07
7.1.20.0030.01315.88
7.1.10.0060.00915.83
7.1.00.0070.03619.22
7.0.330.0050.00515.71
7.0.320.0040.00815.34
7.0.310.0100.00015.67
7.0.300.0040.01015.61
7.0.290.0000.00915.73
7.0.280.0000.01515.48
7.0.270.0060.00615.71
7.0.260.0040.00815.80
7.0.250.0000.00815.77
7.0.240.0080.00815.77
7.0.230.0000.01315.50
7.0.220.0040.01115.79
7.0.210.0030.01315.62
7.0.200.0060.00716.18
7.0.190.0040.00815.51
7.0.180.0110.00415.54
7.0.170.0040.01215.58
7.0.160.0060.00915.54
7.0.150.0070.00415.30
7.0.140.0050.03818.91
7.0.130.0080.00515.46
7.0.120.0090.00615.64
7.0.110.0100.00315.64
7.0.100.0080.00315.66
7.0.90.0060.00915.73
7.0.80.0040.00415.52
7.0.70.0030.00615.55
7.0.60.0100.02817.86
7.0.50.0110.04216.91
7.0.40.0070.04415.88
7.0.30.0070.03915.79
7.0.20.0070.04815.72
7.0.10.0020.02915.84
7.0.00.0060.04615.83
5.6.400.0090.00614.69
5.6.390.0070.00714.70
5.6.380.0120.00314.39
5.6.370.0000.01314.49
5.6.360.0090.00614.49
5.6.350.0070.00714.83
5.6.340.0040.00414.65
5.6.330.0070.01014.13
5.6.320.0030.01314.84
5.6.310.0030.00714.51
5.6.300.0000.01514.80
5.6.290.0030.00614.69
5.6.280.0090.03817.79
5.6.270.0000.01114.45
5.6.260.0090.00614.63
5.6.250.0030.01214.71
5.6.240.0030.01414.64
5.6.230.0000.01214.41
5.6.220.0040.00414.64
5.6.210.0080.04117.50
5.6.200.0090.04016.34
5.6.190.0050.02916.38
5.6.180.0130.03616.32
5.6.170.0080.04516.41
5.6.160.0070.03916.25
5.6.150.0050.04516.36
5.6.140.0070.04116.26
5.6.130.0100.04016.52
5.6.120.0130.03816.30
5.6.110.0050.03616.33
5.6.100.0020.05116.52
5.6.90.0100.04016.35
5.6.80.0070.03215.89
5.6.70.0070.03816.14
5.6.60.0030.04516.06
5.6.50.0050.04415.99
5.6.40.0070.03015.96
5.6.30.0070.04316.05
5.6.20.0080.04016.04
5.6.10.0100.03715.78
5.6.00.0100.03816.05
5.5.380.0110.00314.36
5.5.370.0070.00714.05
5.5.360.0040.01014.06
5.5.350.0120.04717.31
5.5.340.0050.03116.15
5.5.330.0050.03116.38
5.5.320.0080.04316.13
5.5.310.0070.04216.20
5.5.300.0050.04316.21
5.5.290.0080.03516.19
5.5.280.0020.04816.15
5.5.270.0030.04816.18
5.5.260.0100.03816.17
5.5.250.0050.04716.12
5.5.240.0030.03015.87
5.5.230.0070.04315.90
5.5.220.0050.04615.78
5.5.210.0080.03815.74
5.5.200.0080.04215.86
5.5.190.0030.02915.87
5.5.180.0090.03516.01
5.5.170.0060.00614.62
5.5.160.0050.04015.88
5.5.150.0070.02715.79
5.5.140.0110.03815.90
5.5.130.0070.02415.94
5.5.120.0090.03815.86
5.5.110.0050.04215.78
5.5.100.0040.02415.89
5.5.90.0090.03715.90
5.5.80.0080.04015.85
5.5.70.0030.04415.67
5.5.60.0010.03615.80
5.5.50.0070.03715.70
5.5.40.0050.03515.69
5.5.30.0070.02815.84
5.5.20.0080.03815.75
5.5.10.0070.04015.85
5.5.00.0070.03515.71
5.4.450.0070.04415.91
5.4.440.0110.03616.02
5.4.430.0070.04016.02
5.4.420.0070.04415.94
5.4.410.0070.04415.90
5.4.400.0040.03715.82
5.4.390.0050.04115.79
5.4.380.0050.03915.80
5.4.370.0060.03615.88
5.4.360.0080.04015.87
5.4.350.0040.03315.87
5.4.340.0050.03615.82
5.4.330.0000.01412.60
5.4.320.0040.03215.85
5.4.310.0050.02515.85
5.4.300.0010.03915.94
5.4.290.0080.03815.94
5.4.280.0110.03715.87
5.4.270.0060.04015.82
5.4.260.0070.03015.85
5.4.250.0020.04615.78
5.4.240.0030.03415.86
5.4.230.0050.02515.85
5.4.220.0120.02015.74
5.4.210.0090.03815.83
5.4.200.0050.03515.80
5.4.190.0000.05015.82
5.4.180.0080.03715.89
5.4.170.0080.03815.80
5.4.160.0080.04315.82
5.4.150.0060.04215.78
5.4.140.0030.04114.47
5.4.130.0080.03414.56
5.4.120.0060.04214.45
5.4.110.0030.02314.61
5.4.100.0030.04114.52
5.4.90.0060.02514.53
5.4.80.0030.02314.61
5.4.70.0030.02314.53
5.4.60.0000.02514.53
5.4.50.0050.02014.52
5.4.40.0040.01914.53
5.4.30.0050.02814.61
5.4.20.0050.02314.43
5.4.10.0070.03514.47
5.4.00.0020.02014.27
5.3.290.0050.03113.75
5.3.280.0070.03813.60
5.3.270.0070.03013.62
5.3.260.0070.02513.60
5.3.250.0030.04113.52
5.3.240.0040.04413.61
5.3.230.0070.04113.62
5.3.220.0070.03313.61
5.3.210.0070.04313.61
5.3.200.0080.03813.57
5.3.190.0060.02113.60
5.3.180.0000.02713.59
5.3.170.0020.02413.70
5.3.160.0020.02113.56
5.3.150.0030.02213.61
5.3.140.0050.01913.60
5.3.130.0080.03713.58
5.3.120.0050.03313.62
5.3.110.0040.03813.63
5.3.100.0030.02613.30
5.3.90.0020.02213.34
5.3.80.0090.01713.33
5.3.70.0050.01813.32
5.3.60.0030.02713.34
5.3.50.0030.02013.31
5.3.40.0030.02213.30
5.3.30.0060.01713.29
5.3.20.0050.02013.10
5.3.10.0050.01913.13
5.3.00.0020.02213.14
5.2.170.0000.03011.14
5.2.160.0000.03011.05
5.2.150.0030.03011.20
5.2.140.0070.02311.05
5.2.130.0030.02711.21
5.2.120.0000.03011.18
5.2.110.0070.02311.19
5.2.100.0030.03011.18
5.2.90.0070.02311.01
5.2.80.0030.03011.14
5.2.70.0100.02711.09
5.2.60.0030.04711.13
5.2.50.0000.03011.04
5.2.40.0070.02310.90
5.2.30.0000.03711.06
5.2.20.0030.02711.02
5.2.10.0070.03010.93
5.2.00.0030.02710.72
5.1.60.0000.02710.09
5.1.50.0000.0379.84
5.1.40.0030.0539.98
5.1.30.0030.05010.56
5.1.20.0130.05010.58
5.1.10.0030.06010.05
5.1.00.0030.05310.05
5.0.50.0070.0238.48
5.0.40.0000.0478.47
5.0.30.0070.0538.45
5.0.20.0000.0238.15
5.0.10.0070.0438.27
5.0.00.0100.0578.27
4.4.90.0000.0137.80
4.4.80.0000.0177.80
4.4.70.0000.0177.80
4.4.60.0030.0137.80
4.4.50.0030.0137.80
4.4.40.0000.0237.80
4.4.30.0000.0337.80
4.4.20.0130.0307.80
4.4.10.0000.0307.80
4.4.00.0000.0507.80
4.3.110.0030.0337.80
4.3.100.0070.0137.80
4.3.90.0000.0207.80
4.3.80.0000.0477.80
4.3.70.0130.0237.80
4.3.60.0000.0237.80
4.3.50.0000.0377.80
4.3.40.0000.0507.80
4.3.30.0000.0277.80
4.3.20.0000.0237.80
4.3.10.0000.0237.80
4.3.00.0000.0177.80

preferences:
39.11 ms | 400 KiB | 5 Q