3v4l.org

run code in 300+ PHP versions simultaneously
<?php $salt; function createPassword($input) { $salt = substr(md5(time()), 0, 20); return sha1($salt . sha1($input) . $salt); } createPassword("cieren"); echo $salt;

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)
7.4.10.0100.01014.80
7.4.00.0120.00514.85
7.3.130.0070.00714.98
7.3.120.0090.00714.80
7.3.110.0050.00914.86
7.3.100.0060.01114.93
7.3.90.0050.01114.71
7.3.80.0020.01014.74
7.3.70.0030.00914.74
7.3.60.0030.00914.94
7.3.50.0060.00714.92
7.3.40.0030.00914.73
7.3.30.0040.01014.92
7.3.20.0050.00916.63
7.3.10.0110.00416.43
7.3.00.0060.00816.61
7.2.260.0090.00814.96
7.2.250.0110.00615.11
7.2.240.0060.01114.88
7.2.230.0050.01115.10
7.2.220.0050.01115.23
7.2.210.0070.00714.96
7.2.200.0060.00915.19
7.2.190.0060.00514.96
7.2.180.0020.01315.06
7.2.170.0060.00914.92
7.2.160.0070.00414.87
7.2.150.0070.01016.82
7.2.140.0000.01816.83
7.2.130.0110.00716.79
7.2.120.0030.01616.70
7.2.110.0100.00616.70
7.2.100.0090.00916.70
7.2.90.0110.01116.78
7.2.80.0130.00716.65
7.2.70.0130.00416.87
7.2.60.0160.00516.82
7.2.50.0050.01416.80
7.2.40.0130.00816.50
7.2.30.0140.00316.65
7.2.20.0100.01117.02
7.2.10.0060.01216.60
7.2.00.0070.00917.68
7.1.330.0040.01015.90
7.1.320.0080.00615.96
7.1.310.0070.01015.79
7.1.300.0050.00615.84
7.1.290.0050.00615.59
7.1.280.0060.00715.80
7.1.270.0060.00715.93
7.1.260.0040.00815.90
7.1.250.0150.00315.84
7.1.240.0060.00615.71
7.1.230.0040.00415.71
7.1.220.0050.00515.63
7.1.210.0040.01115.90
7.1.200.0060.00915.99
7.1.190.0000.01315.93
7.1.180.0040.00815.79
7.1.170.0030.00515.94
7.1.160.0030.01015.63
7.1.150.0030.00915.58
7.1.140.0040.00715.84
7.1.130.0070.00715.58
7.1.120.0130.00015.98
7.1.110.0030.01015.68
7.1.100.0030.00817.11
7.1.90.0100.00615.94
7.1.80.0030.00915.60
7.1.70.0030.00716.44
7.1.60.0060.01117.64
7.1.50.0100.01016.25
7.1.40.0040.00715.87
7.1.30.0030.01415.77
7.1.20.0000.01115.54
7.1.10.0080.00416.02
7.1.00.0020.04418.91
7.0.330.0030.00915.16
7.0.320.0080.00315.37
7.0.310.0050.00515.36
7.0.300.0060.00615.29
7.0.290.0000.01415.48
7.0.280.0090.00315.61
7.0.270.0090.00615.35
7.0.260.0070.00715.39
7.0.250.0040.00715.29
7.0.240.0080.00315.46
7.0.230.0040.01115.15
7.0.220.0090.00315.43
7.0.210.0060.00915.31
7.0.200.0050.00716.12
7.0.190.0070.00715.53
7.0.180.0000.01215.23
7.0.170.0070.00715.38
7.0.160.0110.00015.36
7.0.150.0070.00715.61
7.0.140.0080.03818.66
7.0.130.0070.00715.63
7.0.120.0000.00815.50
7.0.110.0030.00815.21
7.0.100.0070.04217.75
7.0.90.0080.04217.54
7.0.80.0080.04417.73
7.0.70.0030.03017.74
7.0.60.0070.04417.57
7.0.50.0020.05417.96
7.0.40.0050.04316.75
7.0.30.0050.04516.75
7.0.20.0070.04716.78
7.0.10.0090.04116.81
7.0.00.0030.03516.69
5.6.400.0030.00914.41
5.6.390.0000.00814.32
5.6.380.0050.00314.21
5.6.370.0030.01314.34
5.6.360.0060.00914.30
5.6.350.0000.00914.17
5.6.340.0060.00314.41
5.6.330.0090.00614.45
5.6.320.0040.00714.23
5.6.310.0110.00714.21
5.6.300.0060.00914.45
5.6.290.0000.01514.41
5.6.280.0020.04117.66
5.6.270.0030.01014.25
5.6.260.0040.01214.18
5.6.250.0020.04517.36
5.6.240.0090.04417.54
5.6.230.0030.03817.50
5.6.220.0170.03317.44
5.6.210.0030.04517.56
5.6.200.0160.03617.74
5.6.190.0050.05017.58
5.6.180.0080.04517.51
5.6.170.0080.03017.57
5.6.160.0100.04017.65
5.6.150.0070.04317.66
5.6.140.0080.03317.75
5.6.130.0120.04217.74
5.6.120.0050.02817.62
5.6.110.0070.03017.60
5.6.100.0080.04717.72
5.6.90.0050.04417.48
5.6.80.0050.02617.26
5.6.70.0020.04717.29
5.6.60.0080.04017.21
5.6.50.0050.04217.16
5.6.40.0020.04917.27
5.6.30.0060.03317.32
5.6.20.0070.04417.30
5.6.10.0100.04017.25
5.6.00.0140.03617.31
5.5.380.0110.03617.21
5.5.370.0030.04917.39
5.5.360.0050.04417.36
5.5.350.0050.04617.23
5.5.340.0040.03517.45
5.5.330.0080.04517.55
5.5.320.0120.03717.69
5.5.310.0100.04217.52
5.5.300.0050.04617.27
5.5.290.0060.04817.53
5.5.280.0050.03617.42
5.5.270.0040.02517.56
5.5.260.0080.02617.52
5.5.250.0110.04017.45
5.5.240.0050.02717.30
5.5.230.0080.04217.13
5.5.220.0130.03817.12
5.5.210.0080.03517.30
5.5.200.0050.03517.07
5.5.190.0160.03217.12
5.5.180.0070.03717.16
5.5.170.0110.00413.94
5.5.160.0100.02817.29
5.5.150.0030.04517.06
5.5.140.0100.03317.05
5.5.130.0050.04016.98
5.5.120.0110.01917.12
5.5.110.0080.03017.00
5.5.100.0060.03716.90
5.5.90.0100.03317.10
5.5.80.0080.02517.08
5.5.70.0070.04016.92
5.5.60.0140.04016.94
5.5.50.0080.04317.13
5.5.40.0070.04417.17
5.5.30.0050.03816.98
5.5.20.0070.03717.18
5.5.10.0070.04116.93
5.5.00.0040.04517.08
5.4.450.0030.02815.31
5.4.440.0080.04515.25
5.4.430.0130.04215.23
5.4.420.0060.04015.18
5.4.410.0080.03815.01
5.4.400.0070.03814.79
5.4.390.0050.03515.09
5.4.380.0080.03915.12
5.4.370.0090.02315.14
5.4.360.0070.02315.23
5.4.350.0030.04315.01
5.4.340.0040.04214.99
5.4.330.0070.00310.77
5.4.320.0080.03815.15
5.4.310.0060.02314.96
5.4.300.0070.03915.05
5.4.290.0050.02715.19
5.4.280.0070.02914.95
5.4.270.0040.02315.06
5.4.260.0050.02215.00
5.4.250.0060.03115.24
5.4.240.0040.04115.12
5.4.230.0070.04115.18
5.4.220.0030.04315.18
5.4.210.0100.03715.11
5.4.200.0070.04415.21
5.4.190.0050.04315.14
5.4.180.0050.03214.81
5.4.170.0040.03915.13
5.4.160.0050.03814.98
5.4.150.0080.04015.05
5.4.140.0050.02513.82
5.4.130.0110.02013.70
5.4.120.0050.03213.72
5.4.110.0120.03813.80
5.4.100.0080.04013.56
5.4.90.0110.03513.68
5.4.80.0080.03813.58
5.4.70.0100.04013.73
5.4.60.0080.02513.87
5.4.50.0050.03613.78
5.4.40.0110.02513.76
5.4.30.0020.03013.68
5.4.20.0060.03013.77
5.4.10.0070.02613.60
5.4.00.0080.03013.50
5.3.290.0100.06714.63
5.3.280.0070.03714.52
5.3.270.0100.07314.65
5.3.260.0070.07714.61
5.3.250.0030.07714.63
5.3.240.0100.06314.54
5.3.230.0100.07714.57
5.3.220.0100.07314.67
5.3.210.0130.07714.68
5.3.200.0130.06314.57
5.3.190.0030.08314.51
5.3.180.0100.07314.52
5.3.170.0170.06014.50
5.3.160.0130.03314.53
5.3.150.0100.07014.57
5.3.140.0070.07714.61
5.3.130.0000.06014.51
5.3.120.0170.06314.60
5.3.110.0030.07314.55
5.3.100.0070.04014.10
5.3.90.0170.05714.13
5.3.80.0030.08014.11
5.3.70.0000.04314.00
5.3.60.0070.07313.98
5.3.50.0070.06314.05
5.3.40.0070.07313.92
5.3.30.0100.03313.88
5.3.20.0030.08013.66
5.3.10.0130.06313.66
5.3.00.0070.04313.79
5.2.170.0070.03012.45
5.2.160.0030.06312.45
5.2.150.0000.03712.45
5.2.140.0070.06012.45
5.2.130.0130.04312.45
5.2.120.0170.05012.45
5.2.110.0000.03312.45
5.2.100.0030.04012.45
5.2.90.0000.03712.45
5.2.80.0070.02712.45
5.2.70.0030.03312.45
5.2.60.0030.04312.45
5.2.50.0070.05312.45
5.2.40.0030.06312.45
5.2.30.0070.05312.45
5.2.20.0070.05712.45
5.2.10.0000.04012.45
5.2.00.0100.05312.45
5.1.60.0000.06012.45
5.1.50.0000.05712.45
5.1.40.0070.04312.45
5.1.30.0130.05012.45
5.1.20.0030.06312.45
5.1.10.0030.03712.45
5.1.00.0030.05712.45
5.0.50.0030.04012.45
5.0.40.0030.03712.45
5.0.30.0030.06312.45
5.0.20.0000.04312.45
5.0.10.0070.01712.45
5.0.00.0000.05012.45
4.4.90.0000.03312.45
4.4.80.0000.03012.45
4.4.70.0070.03012.45
4.4.60.0070.03312.45
4.4.50.0100.02012.45
4.4.40.0030.05012.45
4.4.30.0130.02712.45
4.4.20.0030.03312.45
4.4.10.0030.03012.45
4.4.00.0000.03012.45
4.3.110.0070.02712.45
4.3.100.0030.02312.45
4.3.90.0030.01312.45
4.3.80.0030.04312.45
4.3.70.0000.03012.45
4.3.60.0030.03312.45
4.3.50.0070.02712.45
4.3.40.0030.05012.45
4.3.30.0030.03712.45
4.3.20.0030.02712.45
4.3.10.0030.03312.45
4.3.00.0000.03712.45

preferences:
34.63 ms | 400 KiB | 5 Q