3v4l.org

run code in 300+ PHP versions simultaneously
<?php $start = microtime(1); for ($i =0; $i < 10000; $i++) { mt_rand(); } echo (microtime(1) - $start) . "\n"; $start = microtime(1); for ($i =0; $i < 10000; $i++) { md5(mt_rand()); } echo (microtime(1) - $start) . "\n"; $start = microtime(1); for ($i =0; $i < 10000; $i++) { md5(microtime(true)); } echo (microtime(1) - $start) . "\n"; $start = microtime(1); for ($i =0; $i < 10000; $i++) { uniqid(true); } echo (microtime(1) - $start) . "\n";

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)
7.3.10.0030.02716.27
7.3.00.0110.02216.22
7.2.130.0100.02716.70
7.2.120.0160.02516.39
7.2.110.0070.03016.66
7.2.100.0160.02616.42
7.2.90.0070.03916.45
7.2.80.0070.03116.71
7.2.70.0030.03316.63
7.2.60.0090.03116.60
7.2.50.0070.03916.45
7.2.40.0070.02916.46
7.2.30.0030.03416.67
7.2.20.0130.02516.55
7.2.10.0070.03616.68
7.2.00.0090.03217.97
7.1.250.0350.04115.64
7.1.70.0170.02916.93
7.1.60.0370.04919.17
7.1.50.0250.05017.03
7.1.00.0200.10722.45
7.0.200.0000.04316.69
7.0.140.0170.12322.00
7.0.100.0270.08720.00
7.0.90.0230.08019.88
7.0.80.0230.06719.88
7.0.70.0100.08019.92
7.0.60.0430.09719.96
7.0.50.0330.10720.31
7.0.40.0300.08020.08
7.0.30.0170.11320.18
7.0.20.0230.06720.13
7.0.10.0200.11720.14
7.0.00.0130.08020.12
5.6.250.0300.10020.62
5.6.240.0170.12020.70
5.6.230.0170.06720.72
5.6.220.0130.12020.71
5.6.210.0200.10020.57
5.6.200.0270.10721.11
5.6.190.0230.11021.12
5.6.180.0270.11321.02
5.6.170.0200.10321.02
5.6.160.0130.12720.96
5.6.150.0300.10721.03
5.6.140.0130.13021.08
5.6.130.0170.11321.07
5.6.120.0130.12021.01
5.6.110.0370.10320.95
5.6.100.0400.11720.95
5.6.90.0270.10720.96
5.6.80.0330.08320.52
5.6.70.0370.06320.32
5.6.60.0230.12020.31
5.6.50.0300.08320.40
5.6.40.0200.10720.42
5.6.30.0130.12020.45
5.6.20.0400.10020.39
5.6.10.0230.12020.44
5.6.00.0170.12720.28
5.5.380.0200.13020.39
5.5.370.0170.06720.35
5.5.360.0230.06320.56
5.5.350.0200.11020.46
5.5.340.0300.10020.86
5.5.330.0230.09020.79
5.5.320.0100.09020.86
5.5.310.0230.11320.93
5.5.300.0270.09720.73
5.5.290.0230.12720.63
5.5.280.0370.09720.89
5.5.270.0300.11720.92
5.5.260.0200.12720.91
5.5.250.0130.12320.56
5.5.240.0270.09320.28
5.5.230.0130.13320.19
5.5.220.0400.09020.14
5.5.210.0200.13320.21
5.5.200.0470.11020.26
5.5.190.0200.12020.27
5.5.180.0300.10720.08
5.5.160.0300.11720.27
5.5.150.0370.08720.14
5.5.140.0230.08020.20
5.5.130.0170.06320.14
5.5.120.0230.07720.23
5.5.110.0170.06320.09
5.5.100.0170.06320.17
5.5.90.0170.06320.10
5.5.80.0200.07019.93
5.5.70.0230.11720.14
5.5.60.0200.11720.09
5.5.50.0130.09320.03
5.5.40.0300.10320.03
5.5.30.0170.12019.94
5.5.20.0200.09319.99
5.5.10.0130.12020.06
5.5.00.0270.11320.03
5.4.450.0200.14019.45
5.4.440.0300.10019.39
5.4.430.0370.09719.39
5.4.420.0100.11719.56
5.4.410.0170.10319.09
5.4.400.0230.10019.03
5.4.390.0330.09318.95
5.4.380.0270.10018.98
5.4.370.0400.08019.10
5.4.360.0070.09019.03
5.4.350.0300.10318.76
5.4.340.0130.12019.23
5.4.320.0230.12719.03
5.4.310.0130.10019.23
5.4.300.0170.06019.11
5.4.290.0170.06019.02
5.4.280.0230.08018.98
5.4.270.0030.09019.23
5.4.260.0170.07019.02
5.4.250.0170.06318.97
5.4.240.0400.08719.11
5.4.230.0270.11319.09
5.4.220.0100.13018.97
5.4.210.0130.11319.07
5.4.200.0300.10718.94
5.4.190.0100.12019.11
5.4.180.0130.10718.80
5.4.170.0200.06319.02
5.4.160.0170.12319.12
5.4.150.0230.12719.10
5.4.140.0130.09316.27
5.4.130.0270.09716.33
5.4.120.0270.10316.06
5.4.110.0270.10716.45
5.4.100.0230.10316.25
5.4.90.0300.08316.32
5.4.80.0230.10316.25
5.4.70.0200.10316.36
5.4.60.0270.10316.36
5.4.50.0300.06016.35
5.4.40.0200.12716.26
5.4.30.0230.11716.36
5.4.20.0130.11316.19
5.4.10.0130.06716.37
5.4.00.0200.09315.57
5.3.290.0130.10314.67
5.3.280.0230.10314.46
5.3.270.0170.10314.47
5.3.260.0270.10314.58
5.3.250.0270.10714.55
5.3.240.0170.11314.47
5.3.230.0170.13714.61
5.3.220.0170.13014.54
5.3.210.0170.11314.57
5.3.200.0100.09314.51
5.3.190.0200.07014.57
5.3.180.0230.11714.43
5.3.170.0200.14014.57
5.3.160.0170.12714.53
5.3.150.0200.11714.58
5.3.140.0130.11314.39
5.3.130.0130.10714.42
5.3.120.0230.09714.55
5.3.110.0270.10714.49
5.3.100.0270.11013.89
5.3.90.0230.08313.89
5.3.80.0130.09014.04
5.3.70.0230.10713.80
5.3.60.0270.12013.88
5.3.50.0300.08013.82
5.3.40.0100.09313.91
5.3.30.0130.11313.85
5.3.20.0230.11313.66
5.3.10.0230.11713.54
5.3.00.0230.10713.42
5.2.170.0300.08013.05
5.2.160.0270.09713.05
5.2.150.0230.11013.05
5.2.140.0070.07013.05
5.2.130.0100.10713.05
5.2.120.0170.09313.05
5.2.110.0200.09713.05
5.2.100.0200.10013.05
5.2.90.0230.09713.05
5.2.80.0100.06713.05
5.2.70.0070.07313.05
5.2.60.0130.08713.05
5.2.50.0130.06013.05
5.2.40.0200.05013.05
5.2.30.0070.06313.05
5.2.20.0170.08013.05
5.2.10.0330.13013.05
5.2.00.0270.09313.05
5.1.60.0130.10013.05
5.1.50.0230.13313.05
5.1.40.0270.16013.05
5.1.30.0230.13013.05
5.1.20.0130.17313.05
5.1.10.0100.13313.05
5.1.00.0030.14013.05
5.0.50.0230.10013.05
5.0.40.0030.16313.05
5.0.30.0100.16013.05
5.0.20.0200.14713.05
5.0.10.0230.14313.05
5.0.00.0100.17313.05
4.4.90.0130.07313.05
4.4.80.0170.08313.05
4.4.70.0100.08713.05
4.4.60.0100.13013.05
4.4.50.0200.11013.05
4.4.40.0230.12713.05
4.4.30.0100.08313.05
4.4.20.0170.13713.05
4.4.10.0170.08313.05
4.4.00.0230.10013.05
4.3.110.0070.13313.05
4.3.100.0130.14313.05
4.3.90.0130.08313.05
4.3.80.0130.13013.05
4.3.70.0100.15313.05
4.3.60.0000.13313.05
4.3.50.0130.10013.05
4.3.40.0130.12313.05
4.3.30.0100.11713.05
4.3.20.0170.15713.05
4.3.10.0070.12013.05
4.3.00.0170.16713.05

preferences:
33.6 ms | 401 KiB | 5 Q