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, $val); die($ret); $ret = substr($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)
7.4.10.0080.01215.20
7.4.00.0040.01315.32
7.3.130.0080.00915.01
7.3.120.0050.01214.95
7.3.110.0110.00515.03
7.3.100.0080.00715.04
7.3.90.0050.00814.90
7.3.80.0030.01015.05
7.3.70.0080.00715.09
7.3.60.0090.00314.95
7.3.50.0050.00815.12
7.3.40.0040.00815.13
7.3.30.0060.00815.16
7.3.20.0060.00716.91
7.3.10.0040.00916.94
7.3.00.0080.00716.84
7.2.260.0050.01415.22
7.2.250.0090.00915.17
7.2.240.0080.00915.27
7.2.230.0080.01015.10
7.2.220.0040.01115.31
7.2.210.0070.00815.01
7.2.200.0050.00815.31
7.2.190.0060.00915.28
7.2.180.0050.00715.28
7.2.170.0040.01215.29
7.2.160.0050.01015.28
7.2.150.0070.00417.11
7.2.140.0060.01017.10
7.2.130.0090.00817.08
7.2.120.0060.00717.12
7.2.110.0050.00617.04
7.2.100.0070.00817.18
7.2.90.0070.00917.16
7.2.80.0080.00817.22
7.2.70.0100.01017.16
7.2.60.0030.01617.17
7.2.50.0060.01017.24
7.2.40.0080.00317.22
7.2.30.0050.01117.30
7.2.20.0030.01017.19
7.2.10.0050.00917.14
7.2.00.0030.01217.16
7.1.330.0080.00816.01
7.1.320.0060.01015.90
7.1.310.0070.00815.88
7.1.300.0050.01015.90
7.1.290.0050.00816.08
7.1.280.0060.00915.86
7.1.270.0050.00916.05
7.1.260.0090.00315.94
7.1.250.0080.00616.03
7.1.240.0020.01015.87
7.1.230.0060.00616.06
7.1.220.0090.00316.02
7.1.210.0030.00816.02
7.1.200.0030.01016.04
7.1.190.0030.01116.06
7.1.180.0100.00716.02
7.1.170.0120.00315.94
7.1.160.0040.01015.88
7.1.150.0130.00215.96
7.1.140.0030.00915.87
7.1.130.0040.00615.81
7.1.120.0060.00916.06
7.1.110.0050.00816.08
7.1.100.0070.00716.03
7.1.90.0050.01015.91
7.1.80.0060.00815.95
7.1.70.0050.00716.46
7.1.60.0030.01117.07
7.1.50.0100.00616.29
7.1.40.0070.00815.96
7.1.30.0030.01015.84
7.1.20.0030.01115.92
7.1.10.0030.01115.86
7.1.00.0030.02618.16
7.0.330.0070.00915.59
7.0.320.0050.01115.68
7.0.310.0030.01115.49
7.0.300.0090.00215.59
7.0.290.0030.01115.60
7.0.280.0090.00515.75
7.0.270.0030.00915.56
7.0.260.0030.00815.77
7.0.250.0090.00615.77
7.0.240.0070.00915.68
7.0.230.0050.00915.51
7.0.220.0030.00915.63
7.0.210.0030.00815.52
7.0.200.0030.00716.20
7.0.190.0040.00615.60
7.0.180.0060.00615.37
7.0.170.0070.00715.81
7.0.160.0070.00515.71
7.0.150.0040.00915.58
7.0.140.0050.02717.85
7.0.130.0050.00615.74
7.0.120.0040.03017.94
7.0.110.0050.00615.66
7.0.100.0070.00315.69
7.0.90.0050.00415.61
7.0.80.0050.00615.60
7.0.70.0010.01015.77
7.0.60.0030.03117.17
7.0.50.0090.02716.52
7.0.40.0070.03215.88
7.0.30.0200.02915.89
7.0.20.0100.02115.86
7.0.10.0080.02915.85
7.0.00.0070.03215.82
5.6.400.0030.00914.88
5.6.390.0030.00714.25
5.6.380.0020.01614.52
5.6.370.0030.01314.59
5.6.360.0070.00814.68
5.6.350.0100.00314.57
5.6.340.0050.01014.69
5.6.330.0070.00714.79
5.6.320.0030.01214.60
5.6.310.0080.00714.54
5.6.300.0040.00914.67
5.6.290.0090.00414.53
5.6.280.0050.02816.72
5.6.270.0080.00614.69
5.6.260.0080.00414.58
5.6.250.0050.00514.50
5.6.240.0080.00914.57
5.6.230.0060.00914.45
5.6.220.0050.01014.55
5.6.210.0070.03316.54
5.6.200.0060.01815.80
5.6.190.0040.02016.46
5.6.180.0110.01816.42
5.6.170.0070.02016.54
5.6.160.0070.03216.53
5.6.150.0070.03015.73
5.6.140.0090.01615.76
5.6.130.0070.03115.83
5.6.120.0070.02216.62
5.6.110.0080.02316.77
5.6.100.0080.03316.79
5.6.90.0060.03316.61
5.6.80.0020.03216.34
5.6.70.1610.01416.38
5.6.60.0060.00714.39
5.6.50.0110.00314.34
5.6.40.0000.01214.48
5.6.30.0120.00414.31
5.6.20.0070.00814.53
5.6.10.0070.00414.30
5.6.00.0070.00514.31
5.5.380.0050.00614.16
5.5.370.0020.01214.31
5.5.360.0020.00914.55
5.5.350.0140.02916.43
5.5.340.0040.01815.55
5.5.330.0050.01916.45
5.5.320.0120.02516.57
5.5.310.0120.02116.53
5.5.300.0060.03115.64
5.5.290.0080.02115.59
5.5.280.0070.01716.47
5.5.270.0100.03016.59
5.5.260.0090.03216.55
5.5.250.0070.01916.42
5.5.240.0090.03316.49
5.5.230.0000.01414.40
5.5.220.0080.00314.36
5.5.210.0090.00614.25
5.5.200.0050.00914.35
5.5.190.0030.00714.16
5.5.180.0100.00414.34
5.5.170.0030.01114.26
5.5.160.0040.00814.30
5.5.150.0030.00814.25
5.5.140.0070.00714.57
5.5.130.0060.00914.54
5.5.120.0080.00514.39
5.5.110.0030.00914.50
5.5.100.0040.00614.44
5.5.90.0060.00814.37
5.5.80.0070.00514.42
5.5.70.0040.01114.31
5.5.60.0120.00114.35
5.5.50.0080.00614.22
5.5.40.0070.00414.34
5.5.30.0050.00914.48
5.5.20.0040.01014.32
5.5.10.0030.00614.33
5.5.00.0060.00914.39
5.4.450.0040.02714.72
5.4.440.0030.03214.73
5.4.430.0020.03414.74
5.4.420.0060.01914.83
5.4.410.0060.02814.75
5.4.400.0070.02714.54
5.4.390.0050.02014.66
5.4.380.0090.02814.72
5.4.370.0060.01714.63
5.4.360.0060.03014.78
5.4.350.0020.02114.62
5.4.340.0060.02614.70
5.4.330.0030.00712.55
5.4.320.0070.02214.67
5.4.310.0020.02914.74
5.4.300.0050.02414.67
5.4.290.0030.03314.64
5.4.280.0050.01714.64
5.4.270.0090.02714.66
5.4.260.0000.02714.66
5.4.250.0040.02114.60
5.4.240.0020.02614.70
5.4.230.0060.02014.65
5.4.220.0050.02514.61
5.4.210.0050.02714.56
5.4.200.0080.02514.64
5.4.190.0080.02614.65
5.4.180.0040.01814.57
5.4.170.0030.03014.66
5.4.160.0070.02814.63
5.4.150.0040.02514.54
5.4.140.0010.02013.72
5.4.130.0050.02013.82
5.4.120.0020.03213.69
5.4.110.0060.01713.86
5.4.100.0070.02413.68
5.4.90.0020.03213.83
5.4.80.0060.01213.81
5.4.70.0060.02913.76
5.4.60.0080.01713.86
5.4.50.0040.02813.81
5.4.40.0080.01513.83
5.4.30.0030.01813.84
5.4.20.0030.02013.76
5.4.10.0060.02213.75
5.4.00.0070.01613.58
5.3.290.0040.01913.12
5.3.280.0090.02513.15
5.3.270.0040.03013.15
5.3.260.0050.03013.11
5.3.250.0060.02013.12
5.3.240.0020.02113.11
5.3.230.0060.01913.10
5.3.220.0060.01813.08
5.3.210.0030.02713.10
5.3.200.0030.02813.09
5.3.190.0060.02013.09
5.3.180.0040.01613.13
5.3.170.0040.02813.10
5.3.160.0050.02713.08
5.3.150.0060.02113.09
5.3.140.0040.02813.08
5.3.130.0020.03513.13
5.3.120.0030.03013.09
5.3.110.0060.02513.08
5.3.100.0040.02612.93
5.3.90.0020.03012.92
5.3.80.0060.02812.91
5.3.70.0040.02712.91
5.3.60.0050.02712.88
5.3.50.0020.02612.90
5.3.40.0060.02312.90
5.3.30.0070.02712.89
5.3.20.0050.02712.81
5.3.10.0030.01912.74
5.3.00.0090.02512.79
5.2.170.0100.03011.14
5.2.160.0030.06311.11
5.2.150.0030.06311.24
5.2.140.0070.05011.22
5.2.130.0030.05711.01
5.2.120.0030.04711.18
5.2.110.0030.06311.13
5.2.100.0030.03011.11
5.2.90.0030.04011.21
5.2.80.0100.04711.00
5.2.70.0000.06011.11
5.2.60.0100.02711.14
5.2.50.0100.05011.04
5.2.40.0030.03011.16
5.2.30.0070.06010.99
5.2.20.0100.05710.86
5.2.10.0030.03710.79
5.2.00.0030.03310.64
5.1.60.0070.0539.97
5.1.50.0100.0509.92
5.1.40.0070.0279.96
5.1.30.0130.04710.36
5.1.20.0070.04310.41
5.1.10.0000.03010.11
5.1.00.0000.06010.13
5.0.50.0070.0438.62
5.0.40.0000.0408.36
5.0.30.0100.0378.39
5.0.20.0000.0408.13
5.0.10.0000.0338.34
5.0.00.0030.0638.21
4.4.90.0030.0177.66
4.4.80.0070.0207.66
4.4.70.0000.0407.66
4.4.60.0170.0137.66
4.4.50.0000.0237.66
4.4.40.0030.0277.66
4.4.30.0030.0337.66
4.4.20.0030.0277.66
4.4.10.0000.0407.66
4.4.00.0000.0307.66
4.3.110.0000.0307.66
4.3.100.0000.0377.66
4.3.90.0030.0207.66
4.3.80.0000.0607.66
4.3.70.0030.0177.66
4.3.60.0030.0237.66
4.3.50.0000.0277.66
4.3.40.0000.0577.66
4.3.30.0000.0307.66
4.3.20.0000.0237.66
4.3.10.0000.0207.66
4.3.00.0000.0207.66

preferences:
35.57 ms | 401 KiB | 5 Q