3v4l.org

run code in 300+ PHP versions simultaneously
<?php function createPassword($input) { $this->salt = substr(md5(time()), 0, 20); return sha1($this->salt . sha1($input) . $this->salt); $salt = $this->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)
7.4.10.0000.01914.51
7.4.00.0040.01214.94
7.3.130.0140.00414.85
7.3.120.0060.01014.81
7.3.110.0060.01315.11
7.3.100.0080.00414.77
7.3.90.0110.00014.82
7.3.80.0100.00615.02
7.3.70.0060.00914.67
7.3.60.0060.00314.76
7.3.50.0030.01014.77
7.3.40.0030.00614.50
7.3.30.0070.00414.82
7.3.20.0030.00716.85
7.3.10.0040.00816.47
7.3.00.0100.00316.41
7.2.260.0030.00915.04
7.2.250.0090.00315.02
7.2.240.0060.00914.61
7.2.230.0100.00614.84
7.2.220.0070.00715.11
7.2.210.0060.01215.02
7.2.200.0030.01015.03
7.2.190.0080.00514.67
7.2.180.0030.01014.85
7.2.170.0100.00314.83
7.2.160.0070.00714.76
7.2.150.0070.00716.89
7.2.140.0040.01216.91
7.2.130.0060.01016.93
7.2.120.0070.01016.79
7.2.110.0000.01216.72
7.2.100.0060.00616.94
7.2.90.0030.01016.69
7.2.80.0110.00716.91
7.2.70.0120.00316.90
7.2.60.0050.00816.82
7.2.50.0090.00316.64
7.2.40.0070.00716.57
7.2.30.0110.00316.66
7.2.20.0000.01216.81
7.2.10.0030.00916.88
7.2.00.0090.00518.00
7.1.330.0060.00915.89
7.1.320.0090.00615.84
7.1.310.0060.00315.85
7.1.300.0070.01015.77
7.1.290.0000.00815.84
7.1.280.0050.00515.73
7.1.270.0060.00615.68
7.1.260.0000.01115.59
7.1.250.0060.00615.68
7.1.240.0030.00915.86
7.1.230.0000.01415.80
7.1.220.0040.01115.57
7.1.210.0060.00915.54
7.1.200.0070.00315.85
7.1.190.0070.00715.71
7.1.180.0060.00615.77
7.1.170.0040.00415.53
7.1.160.0030.00715.86
7.1.150.0120.00315.61
7.1.140.0030.00615.52
7.1.130.0080.00015.40
7.1.120.0070.00715.64
7.1.110.0030.00815.67
7.1.100.0040.01016.73
7.1.90.0000.01415.59
7.1.80.0030.00915.65
7.1.70.0060.00616.29
7.1.60.0050.01417.56
7.1.50.0080.01016.34
7.1.40.0000.01315.71
7.1.30.0070.00715.66
7.1.20.0120.00015.68
7.1.10.0030.00915.68
7.1.00.0060.04219.14
7.0.330.0100.00615.07
7.0.320.0050.00315.13
7.0.310.0100.00315.31
7.0.300.0040.00715.33
7.0.290.0070.00715.20
7.0.280.0090.00315.59
7.0.270.0030.00615.13
7.0.260.0080.00315.31
7.0.250.0060.00615.35
7.0.240.0030.00815.29
7.0.230.0040.00815.16
7.0.220.0090.00315.39
7.0.210.0040.01115.38
7.0.200.0000.01116.19
7.0.190.0060.00315.48
7.0.180.0030.00615.40
7.0.170.0070.00715.49
7.0.160.0050.00315.20
7.0.150.0040.00815.18
7.0.140.0030.04218.72
7.0.130.0050.00615.50
7.0.120.0080.00015.32
7.0.110.0000.01315.33
7.0.100.0040.01115.26
7.0.90.0040.00415.28
7.0.80.0240.02317.61
7.0.70.0300.03917.65
7.0.60.0300.04817.75
7.0.50.0250.04917.88
7.0.40.0070.02316.75
7.0.30.0080.04916.92
7.0.20.0110.02116.78
7.0.10.0070.03216.66
7.0.00.0120.04716.82
5.6.400.0030.01014.17
5.6.390.0100.00314.53
5.6.380.0030.00714.21
5.6.370.0040.01114.31
5.6.360.0040.00914.33
5.6.350.0120.00314.41
5.6.340.0110.00014.45
5.6.330.0080.00814.34
5.6.320.0030.00614.10
5.6.310.0030.01014.20
5.6.300.0030.01014.09
5.6.290.0090.00314.39
5.6.280.0050.03817.72
5.6.270.0030.01013.96
5.6.260.0060.00914.20
5.6.250.0120.00314.16
5.6.240.0030.00614.36
5.6.230.0050.02717.41
5.6.220.0000.03517.49
5.6.210.0030.04717.47
5.6.200.0100.02717.61
5.6.190.0070.03517.83
5.6.180.0120.03717.68
5.6.170.0030.03017.62
5.6.160.0110.03817.59
5.6.150.0070.04317.58
5.6.140.0030.02917.67
5.6.130.0050.03217.69
5.6.120.0080.02917.81
5.6.110.0030.04817.60
5.6.100.0100.02017.53
5.6.90.0090.02617.59
5.6.80.0080.03817.29
5.6.70.0050.04417.27
5.6.60.0080.02517.13
5.6.50.0080.03117.25
5.6.40.0030.02817.22
5.6.30.0030.03017.44
5.6.20.0130.02517.30
5.6.10.0070.03817.24
5.6.00.0140.03217.23
5.5.380.0110.00014.46
5.5.370.0060.03417.24
5.5.360.0080.02317.28
5.5.350.0050.02617.44
5.5.340.0100.03117.52
5.5.330.0130.02217.58
5.5.320.0120.04317.52
5.5.310.0080.04517.36
5.5.300.0020.02917.55
5.5.290.0070.04417.55
5.5.280.0060.02917.53
5.5.270.0130.03317.32
5.5.260.0050.04517.61
5.5.250.0070.03817.52
5.5.240.0030.04417.19
5.5.230.0120.03317.26
5.5.220.0080.04517.11
5.5.210.0060.03317.27
5.5.200.0070.04517.23
5.5.190.0090.03317.12
5.5.180.0070.04017.19
5.5.170.0030.01013.91
5.5.160.0030.03017.07
5.5.150.0100.02916.94
5.5.140.0110.04017.08
5.5.130.0070.04417.13
5.5.120.0080.03517.29
5.5.110.0100.03717.08
5.5.100.0070.03717.15
5.5.90.0130.03517.10
5.5.80.0030.03317.23
5.5.70.0090.03317.12
5.5.60.0030.03317.14
5.5.50.0050.02517.08
5.5.40.0080.03817.16
5.5.30.0090.03717.15
5.5.20.0100.02416.91
5.5.10.0030.04417.10
5.5.00.0070.04217.17
5.4.450.0050.04515.18
5.4.440.0110.03615.32
5.4.430.0000.02815.20
5.4.420.0100.03515.30
5.4.410.0050.03815.13
5.4.400.0050.02614.83
5.4.390.0050.04114.88
5.4.380.0050.02515.06
5.4.370.0040.04415.14
5.4.360.0100.03714.92
5.4.350.0050.03015.06
5.4.340.0030.04314.91
5.4.330.0040.00811.17
5.4.320.0030.03815.09
5.4.310.0100.03714.98
5.4.300.0080.03514.97
5.4.290.0070.02515.05
5.4.280.0070.04014.94
5.4.270.0020.03914.91
5.4.260.0040.02715.02
5.4.250.0030.02515.13
5.4.240.0030.02414.98
5.4.230.0020.04414.99
5.4.220.0050.03714.90
5.4.210.0030.03814.91
5.4.200.0020.03215.04
5.4.190.0020.04415.05
5.4.180.0050.03614.92
5.4.170.0030.04015.02
5.4.160.0070.03915.00
5.4.150.0040.03814.81
5.4.140.0030.02313.69
5.4.130.0070.03113.70
5.4.120.0080.01813.72
5.4.110.0080.02913.70
5.4.100.0080.03613.73
5.4.90.0050.03713.67
5.4.80.0050.02513.73
5.4.70.0070.04513.79
5.4.60.0020.03413.63
5.4.50.0030.03813.71
5.4.40.0070.03513.70
5.4.30.0100.03713.55
5.4.20.0080.01813.61
5.4.10.0050.03913.76
5.4.00.0100.03013.32
5.3.290.0070.04314.65
5.3.280.0100.07014.60
5.3.270.0030.06014.69
5.3.260.0030.05014.66
5.3.250.0030.08014.57
5.3.240.0070.03714.71
5.3.230.0070.07314.66
5.3.220.0100.04314.59
5.3.210.0000.08014.70
5.3.200.0170.03314.53
5.3.190.0070.07014.66
5.3.180.0100.07014.59
5.3.170.0130.07014.55
5.3.160.0070.07314.49
5.3.150.0000.05014.53
5.3.140.0070.04314.48
5.3.130.0070.03714.61
5.3.120.0100.04014.51
5.3.110.0100.06714.48
5.3.100.0030.07714.05
5.3.90.0000.07314.01
5.3.80.0070.07013.92
5.3.70.0070.04314.08
5.3.60.0030.06714.14
5.3.50.0030.06714.01
5.3.40.0200.03013.87
5.3.30.0100.06013.92
5.3.20.0030.08013.67
5.3.10.0030.05013.57
5.3.00.0000.07013.69
5.2.170.0100.05711.05
5.2.160.0100.04711.20
5.2.150.0100.05011.25
5.2.140.0000.06011.16
5.2.130.0100.05711.08
5.2.120.0170.05311.02
5.2.110.0070.03311.15
5.2.100.0000.04310.95
5.2.90.0170.05311.02
5.2.80.0070.05711.02
5.2.70.0200.03311.12
5.2.60.0030.05710.98
5.2.50.0070.06311.14
5.2.40.0070.04311.10
5.2.30.0000.03311.03
5.2.20.0070.06011.01
5.2.10.0030.05710.85
5.2.00.0170.04710.78
5.1.60.0030.0279.98
5.1.50.0070.04010.10
5.1.40.0070.0509.96
5.1.30.0070.03310.39
5.1.20.0000.04010.38
5.1.10.0030.04710.15
5.1.00.0000.03310.13
5.0.50.0000.0408.61
5.0.40.0130.0238.41
5.0.30.0030.0638.05
5.0.20.0070.0438.27
5.0.10.0000.0438.28
5.0.00.0030.0538.24
4.4.90.0030.0307.42
4.4.80.0000.0307.42
4.4.70.0000.0407.42
4.4.60.0030.0277.42
4.4.50.0000.0377.42
4.4.40.0030.0337.42
4.4.30.0070.0177.42
4.4.20.0000.0207.42
4.4.10.0070.0307.42
4.4.00.0070.0237.42
4.3.110.0030.0337.42
4.3.100.0000.0377.42
4.3.90.0000.0277.42
4.3.80.0000.0407.42
4.3.70.0030.0177.42
4.3.60.0100.0277.42
4.3.50.0030.0337.42
4.3.40.0070.0507.42
4.3.30.0030.0277.42
4.3.20.0000.0207.42
4.3.10.0070.0237.42
4.3.00.0000.0407.42

preferences:
37.59 ms | 400 KiB | 5 Q