3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generateToken() { return hash('sha256', (uniqid(mt_rand(), TRUE))); } var_dump(generateToken());

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)
7.4.10.0080.00814.85
7.4.00.0120.00614.95
7.3.130.0040.01214.80
7.3.120.0110.00315.00
7.3.110.0100.01014.64
7.3.100.0060.00914.83
7.3.90.0040.01114.36
7.3.80.0100.00314.48
7.3.70.0070.00714.43
7.3.60.0030.01014.82
7.3.50.0110.00314.71
7.3.40.0030.01414.68
7.3.30.0000.01414.68
7.3.20.0090.00316.66
7.3.10.0070.00316.29
7.3.00.0100.00716.46
7.2.260.0060.01214.84
7.2.250.0040.01414.58
7.2.240.0080.00814.76
7.2.230.0070.00414.71
7.2.220.0070.00714.63
7.2.210.0070.00714.65
7.2.200.0060.00614.88
7.2.190.0030.01314.93
7.2.180.0040.01114.74
7.2.170.0090.00614.76
7.2.160.0150.00014.69
7.2.150.0000.01416.86
7.2.140.0030.00816.56
7.2.130.0030.01416.68
7.2.120.0070.00716.84
7.2.110.0060.00316.79
7.2.100.0070.00316.77
7.2.90.0100.00716.79
7.2.80.0000.01316.50
7.2.70.0030.01316.94
7.2.60.0080.00316.75
7.2.50.0070.00716.81
7.2.40.0100.00716.88
7.2.30.0060.00616.71
7.2.20.0040.01116.80
7.2.10.0060.01116.68
7.2.00.0070.00917.70
7.1.330.0070.01015.81
7.1.320.0040.01115.81
7.1.310.0060.01015.32
7.1.300.0040.01115.67
7.1.290.0040.01115.63
7.1.280.0060.00615.68
7.1.270.0040.00815.73
7.1.260.0040.00815.46
7.1.250.0150.00015.87
7.1.240.0040.01115.76
7.1.230.0030.00715.42
7.1.220.0030.01215.70
7.1.210.0070.00715.63
7.1.200.0030.01015.78
7.1.190.0090.00615.83
7.1.180.0070.00315.42
7.1.170.0040.00415.62
7.1.160.0040.01115.54
7.1.150.0070.00715.72
7.1.140.0080.00815.59
7.1.130.0040.01115.84
7.1.120.0080.00615.73
7.1.110.0080.00515.56
7.1.100.0120.00315.51
7.1.90.0070.00415.82
7.1.80.0060.00615.81
7.1.70.0100.00516.20
7.1.60.0000.01717.56
7.1.50.0070.00916.28
7.1.40.0030.01015.73
7.1.30.0030.01215.48
7.1.20.0060.01015.40
7.1.10.0070.00715.75
7.1.00.0030.04318.97
7.0.330.0070.01015.14
7.0.320.0000.01215.05
7.0.310.0030.01115.09
7.0.300.0040.01115.24
7.0.290.0070.00415.27
7.0.280.0060.00615.30
7.0.270.0060.00615.21
7.0.260.0030.00915.36
7.0.250.0000.01515.25
7.0.240.0050.00514.98
7.0.230.0030.00715.24
7.0.220.0090.00615.35
7.0.210.0090.00415.26
7.0.200.0040.00715.93
7.0.190.0030.01015.11
7.0.180.0000.00815.21
7.0.170.0100.00315.23
7.0.160.0060.00915.34
7.0.150.0060.00615.44
7.0.140.0050.04018.79
7.0.130.0060.00615.15
7.0.120.0060.00915.29
7.0.110.0030.01415.34
7.0.100.0060.00915.42
7.0.90.0090.00015.38
7.0.80.0000.01515.02
7.0.70.0070.01015.29
7.0.60.0050.04917.49
7.0.50.0120.02516.49
7.0.40.0080.04516.76
7.0.30.0070.03216.68
7.0.20.0200.02716.75
7.0.10.0130.04216.69
7.0.00.0080.04416.72
5.6.400.0040.00814.27
5.6.390.0000.01714.24
5.6.380.0100.00314.45
5.6.370.0070.01114.19
5.6.360.0040.01113.95
5.6.350.0070.00714.11
5.6.340.0070.00314.21
5.6.330.0090.00614.10
5.6.320.0070.00714.09
5.6.310.0080.00614.33
5.6.300.0030.01313.86
5.6.290.0150.00314.35
5.6.280.0070.03917.40
5.6.270.0000.01114.38
5.6.260.0070.00414.09
5.6.250.0070.00714.41
5.6.240.0040.00414.25
5.6.230.0060.00613.93
5.6.220.0150.00314.20
5.6.210.0030.04917.22
5.6.200.0070.04416.18
5.6.190.0080.02217.35
5.6.180.0190.03217.21
5.6.170.0180.02317.37
5.6.160.0150.03517.21
5.6.150.0090.02016.22
5.6.140.0080.03816.18
5.6.130.0070.03316.24
5.6.120.0090.02317.51
5.6.110.0060.04817.66
5.6.100.0050.03217.51
5.6.90.0050.04017.55
5.6.80.0050.04317.39
5.6.70.0060.00614.01
5.6.60.0070.01013.92
5.6.50.0070.00414.09
5.6.40.0040.00814.18
5.6.30.0090.00314.20
5.6.20.0030.00714.17
5.6.10.0110.00014.33
5.6.00.0000.01414.16
5.5.380.0030.00614.02
5.5.370.0040.01013.81
5.5.360.0040.01114.20
5.5.350.0100.04117.24
5.5.340.0100.04116.28
5.5.330.0030.04517.30
5.5.320.0170.02817.28
5.5.310.0170.03917.21
5.5.300.0050.03116.00
5.5.290.0030.04615.92
5.5.280.0030.03217.49
5.5.270.0080.04317.45
5.5.260.0070.03617.35
5.5.250.0050.02517.42
5.5.240.0150.03517.17
5.5.230.0000.01614.10
5.5.220.0090.00613.87
5.5.210.0110.00413.74
5.5.200.0030.01413.79
5.5.190.0090.00013.72
5.5.180.0070.01013.59
5.5.170.0000.01113.50
5.5.160.0120.00314.09
5.5.150.0120.00313.78
5.5.140.0030.01414.08
5.5.130.0110.00313.75
5.5.120.0040.00814.08
5.5.110.0000.01313.92
5.5.100.0060.01213.95
5.5.90.0130.00313.92
5.5.80.0060.00913.98
5.5.70.0000.01113.77
5.5.60.0040.01113.87
5.5.50.0030.01013.93
5.5.40.0100.00713.95
5.5.30.0110.00413.73
5.5.20.0040.01113.99
5.5.10.0030.01014.21
5.5.00.0100.00313.73
5.4.450.0340.03015.13
5.4.440.0300.02915.11
5.4.430.0060.03114.94
5.4.420.0350.00215.00
5.4.410.0430.00215.10
5.4.400.0330.00314.97
5.4.390.0330.00314.94
5.4.380.0330.00315.10
5.4.370.0350.00314.98
5.4.360.0360.00214.93
5.4.350.0350.00214.80
5.4.340.0080.02111.42
5.4.330.0030.01010.70
5.4.320.0050.02411.54
5.4.310.0080.02411.74
5.4.300.0050.02511.72
5.4.290.0080.02311.69
5.4.280.0060.02711.64
5.4.270.0020.02411.54
5.4.260.0020.02511.58
5.4.250.0080.02311.75
5.4.240.0030.02211.58
5.4.230.0040.02311.64
5.4.220.0060.02111.69
5.4.210.0070.02111.64
5.4.200.0040.02411.59
5.4.190.0020.02611.72
5.4.180.0040.02511.70
5.4.170.0070.02211.48
5.4.160.0060.02211.42
5.4.150.0080.02111.64
5.4.140.0040.02611.46
5.4.130.0020.02411.46
5.4.120.0060.01911.32
5.4.110.0030.02411.45
5.4.100.0040.02011.47
5.4.90.0060.02511.29
5.4.80.0020.02411.34
5.4.70.0040.02311.51
5.4.60.0070.02011.46
5.4.50.0020.02411.47
5.4.40.0050.02311.43
5.4.30.0080.02711.31
5.4.20.0090.01911.49
5.4.10.0060.02011.48
5.4.00.0040.02811.13
5.3.290.0090.04212.80
5.3.280.0120.03912.71
5.3.270.0110.03912.72
5.3.260.0050.04012.72
5.3.250.0070.04812.72
5.3.240.0050.05012.72
5.3.230.0100.03612.71
5.3.220.0070.04212.68
5.3.210.0100.03812.68
5.3.200.0050.04112.68
5.3.190.0110.04612.68
5.3.180.0030.04012.67
5.3.170.0080.03712.67
5.3.160.0050.03912.67
5.3.150.0060.03912.67
5.3.140.0070.04212.66
5.3.130.0090.04012.65
5.3.120.0070.04012.65
5.3.110.0040.04412.65
5.3.100.0070.03912.13
5.3.90.0050.04212.11
5.3.80.0130.05712.10
5.3.70.0040.04412.10
5.3.60.0090.03812.08
5.3.50.0050.04012.02
5.3.40.0080.04312.02
5.3.30.0060.03711.98
5.3.20.0080.03511.77
5.3.10.0060.03611.73
5.3.00.0070.04111.72
5.2.170.0050.0409.22
5.2.160.0070.0369.21
5.2.150.0030.0379.21
5.2.140.0070.0339.21
5.2.130.0060.0319.17
5.2.120.0050.0289.18
5.2.110.0070.0269.18
5.2.100.0040.0299.18
5.2.90.0030.0389.18
5.2.80.0050.0349.18
5.2.70.0080.0359.17
5.2.60.0120.0449.13
5.2.50.0060.0319.10
5.2.40.0080.0279.08
5.2.30.0040.0349.05
5.2.20.0050.0379.04
5.2.10.0050.0278.95
5.2.00.0040.0298.80
5.1.60.0070.0218.08
5.1.50.0070.0278.08
5.1.40.0030.0268.06
5.1.30.0070.0238.42
5.1.20.0030.0278.43
5.1.10.0060.0268.16
5.1.00.0040.0288.16
5.0.50.0030.0216.64
5.0.40.0030.0206.50
5.0.30.0070.0316.31
5.0.20.0040.0276.28
5.0.10.0090.0176.26
5.0.00.0030.0356.25
4.4.90.0030.0254.78
4.4.80.0010.0194.75
4.4.70.0030.0184.75
4.4.60.0030.0194.75
4.4.50.0070.0174.77
4.4.40.0050.0264.71
4.4.30.0030.0164.76
4.4.20.0040.0184.84
4.4.10.0010.0174.85
4.4.00.0050.0244.76
4.3.110.0050.0154.67
4.3.100.0030.0154.67
4.3.90.0020.0164.63
4.3.80.0030.0254.59
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0040.0144.63
4.3.40.0030.0244.54
4.3.30.0030.0153.30
4.3.20.0020.0193.27
4.3.10.0020.0183.24
4.3.00.0070.0177.34

preferences:
36.94 ms | 401 KiB | 5 Q