3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(); $randomString1 = bin2hex(random_bytes(20)); $randomString2 = bin2hex(random_bytes(10)); var_dump( $time, $randomString1, $randomString2 ); // md5(time() . browser-details-string . "some-salt-string")

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)
7.3.120.0060.00614.92
7.3.110.0030.01514.92
7.3.100.0000.01414.67
7.3.90.0090.00614.81
7.3.80.0070.00414.56
7.3.70.0000.01114.47
7.3.60.0000.01714.81
7.3.50.0090.00314.59
7.3.40.0000.01314.77
7.3.30.0130.00314.68
7.3.20.0030.01016.52
7.3.10.0040.01116.32
7.3.00.0020.01116.50
7.2.240.0090.00614.70
7.2.230.0000.01114.82
7.2.220.0080.00814.88
7.2.210.0060.00914.93
7.2.200.0070.00714.70
7.2.190.0070.00714.69
7.2.180.0100.00014.70
7.2.170.0120.00314.83
7.2.160.0070.00714.80
7.2.150.0070.01116.88
7.2.140.0060.01016.86
7.2.130.0070.00416.64
7.2.120.0080.00316.58
7.2.110.0040.00916.64
7.2.100.0060.00916.43
7.2.90.0020.00916.68
7.2.80.0070.00816.59
7.2.70.0030.00716.42
7.2.60.0080.00616.44
7.2.50.0100.00716.63
7.2.40.0070.00516.71
7.2.30.0050.01016.81
7.2.20.0020.01116.66
7.2.10.0110.00316.64
7.2.00.0060.00617.60
7.1.330.0120.00815.73
7.1.320.0030.01015.82
7.1.310.0040.01215.85
7.1.300.0070.00715.51
7.1.290.0000.01415.69
7.1.280.0070.00715.70
7.1.270.0070.00715.61
7.1.260.0120.00315.73
7.1.250.0080.00915.43
7.1.100.0090.00617.84
7.1.70.0000.00917.03
7.1.60.0030.02219.52
7.1.50.0030.01716.80
7.1.00.0000.08022.42
7.0.200.0030.00716.66
7.0.100.0100.04319.87
7.0.90.0070.05020.00
7.0.80.0070.08320.02
7.0.70.0030.05319.94
7.0.60.0070.08319.91
7.0.50.0100.07720.35
7.0.40.0030.08020.13
7.0.30.0070.07320.08
7.0.20.0100.08720.00
7.0.10.0100.08020.05
7.0.00.0100.08020.13
5.6.280.0030.03021.06
5.6.250.0070.08020.56
5.6.240.0030.05720.75
5.6.230.0070.05020.53
5.6.220.0000.09320.55
5.6.210.0100.04320.73
5.6.200.0030.06020.95
5.6.190.0170.05720.98
5.6.180.0070.08320.95
5.6.170.0070.08321.02
5.6.160.0130.04721.04
5.6.150.0100.08020.95
5.6.140.0070.05021.08
5.6.130.0070.04021.09
5.6.120.0100.08021.07
5.6.110.0200.07721.00
5.6.100.0130.07721.07
5.6.90.0100.08721.05
5.6.80.0070.08320.54
5.6.70.0070.08320.39
5.6.60.0100.08720.38
5.6.50.0070.07720.55
5.6.40.0100.07720.37
5.6.30.0200.06720.30
5.6.20.0070.07720.39
5.6.10.0170.06320.30
5.6.00.0030.06720.45
5.5.380.0070.08320.33
5.5.370.0070.08020.44
5.5.360.0130.07320.34
5.5.350.0000.09320.45
5.5.340.0100.08020.87
5.5.330.0130.05020.86
5.5.320.0100.06720.76
5.5.310.0030.08320.85
5.5.300.0070.06320.63
5.5.290.0130.08020.88
5.5.280.0070.07320.89
5.5.270.0230.07320.62
5.5.260.0200.07320.87
5.5.250.0070.08020.56
5.5.240.0070.07720.24
5.5.230.0130.06320.22
5.5.220.0100.09020.29
5.5.210.0170.07020.19
5.5.200.0030.08720.21
5.5.190.0070.04020.07
5.5.180.0130.06720.26
5.5.160.0130.07320.24
5.5.150.0000.07720.12
5.5.140.0130.07019.98
5.5.130.0070.07320.11
5.5.120.0200.07320.23
5.5.110.0030.07020.11
5.5.100.0100.06020.04
5.5.90.0100.04720.14
5.5.80.0130.07320.16
5.5.70.0130.06720.03
5.5.60.0170.06719.95
5.5.50.0030.08020.11
5.5.40.0070.07720.05
5.5.30.0100.07320.02
5.5.20.0030.04019.98
5.5.10.0030.08720.02
5.5.00.0100.07720.11

preferences:
41.61 ms | 401 KiB | 5 Q