3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 50; $start = microtime(true); $y = 0; // for($i = 0; $i < $count; $i++) // { $code = ' $ret = ""; for ($i=0; $i<100; $i++) { $ret.= md5($i.$ret); } return $ret; '; eval($code); // } printf("#1, result is %d, done in %f\n", $y, microtime(true) - $start); $start = microtime(true); $y = 0; // for($i = 0; $i < $count; $i++) // { $f = function() { // return ++$y; $ret = ''; for ($i=0; $i<100; $i++) { $ret.= md5($i.$ret); } return $ret; }; $f(); // } printf("#2, result is %d, done in %f\n", $y, microtime(true) - $start); ?>

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)
7.2.00.0070.01019.47
7.1.70.0110.00017.08
7.1.60.0040.01519.57
7.1.50.0080.01116.99
7.1.00.0000.07722.30
7.0.200.0000.01216.46
7.0.140.0000.08022.12
7.0.80.0600.04720.03
7.0.70.0400.05320.05
7.0.60.0570.07719.99
7.0.50.0030.07720.33
7.0.40.0030.05020.13
7.0.30.0100.07320.14
7.0.20.0230.07020.05
7.0.10.0100.07720.02
7.0.00.0170.08020.16
5.6.280.0130.06720.93
5.6.230.0030.06720.48
5.6.220.0030.08720.66
5.6.210.0130.07020.49
5.6.200.0100.04021.14
5.6.190.0030.04321.05
5.6.180.0070.05720.94
5.6.170.0130.07721.02
5.6.160.0100.04721.14
5.6.150.0070.06721.04
5.6.140.0100.08321.07
5.6.130.0070.07720.96
5.6.120.0030.04720.94
5.6.110.0030.09020.94
5.6.100.0100.06021.15
5.6.90.0030.04721.03
5.6.80.0170.07020.46
5.6.70.0000.05720.50
5.6.60.0170.04020.53
5.6.50.0130.08020.46
5.6.40.0100.05720.38
5.6.30.0100.04720.41
5.6.20.0170.06320.30
5.6.10.0070.08020.36
5.6.00.0200.07320.52
5.5.370.0200.05320.36
5.5.360.0130.06320.40
5.5.350.0070.05020.42
5.5.340.0000.07020.88
5.5.330.0070.08020.93
5.5.320.0130.07320.92
5.5.310.0070.06320.86
5.5.300.0030.04720.92
5.5.290.0070.06720.79
5.5.280.0100.06020.76
5.5.270.0130.07720.88
5.5.260.0200.06320.75
5.5.250.0130.07720.72
5.5.240.0070.05320.25
5.5.230.0070.05720.20
5.5.220.0130.03320.14
5.5.210.0170.07320.29
5.5.200.0130.06320.17
5.5.190.0100.05320.20
5.5.180.0070.08320.08
5.5.160.0070.07720.13
5.5.150.0000.05320.28
5.5.140.0130.07720.24
5.5.130.0070.08720.12
5.5.120.0070.04720.15
5.5.110.0100.07320.22
5.5.100.0200.06020.05
5.5.90.0100.06720.10
5.5.80.0070.08020.16
5.5.70.0070.05020.04
5.5.60.0030.05020.05
5.5.50.0100.07720.00
5.5.40.0030.08320.15
5.5.30.0030.08020.11
5.5.20.0100.07320.04
5.5.10.0130.05019.98
5.5.00.0200.05720.00
5.4.450.0100.08019.42
5.4.440.0070.04719.50
5.4.430.0070.07719.20
5.4.420.0030.05319.45
5.4.410.0000.04719.29
5.4.400.0130.07019.16
5.4.390.0030.08718.85
5.4.380.0130.07318.85
5.4.370.0000.07019.03
5.4.360.0030.08319.03
5.4.350.0100.07719.16
5.4.340.0030.07719.09
5.4.320.0130.06319.23
5.4.310.0030.08319.13
5.4.300.0100.06019.04
5.4.290.0130.04319.23
5.4.280.0100.06019.04
5.4.270.0030.05319.15
5.4.260.0130.06319.03
5.4.250.0030.08019.20
5.4.240.0100.06719.20
5.4.230.0200.06018.94
5.4.220.0100.05319.12
5.4.210.0070.04719.03
5.4.200.0100.08019.08
5.4.190.0070.05019.22
5.4.180.0030.05319.20
5.4.170.0100.07319.15
5.4.160.0100.04019.02
5.4.150.0000.05719.03
5.4.140.0100.06316.43
5.4.130.0030.07716.20
5.4.120.0100.03316.41
5.4.110.0030.07716.39
5.4.100.0030.07716.33
5.4.90.0100.07016.52
5.4.80.0070.06716.40
5.4.70.0030.07716.32
5.4.60.0030.07016.26
5.4.50.0030.04316.44
5.4.40.0030.04316.57
5.4.30.0100.03716.39
5.4.20.0030.03716.33
5.4.10.0030.05716.47
5.4.00.0070.03715.80
5.3.290.0030.07014.60
5.3.280.0100.07714.68
5.3.270.0070.08014.64
5.3.260.0270.04314.58
5.3.250.0000.05714.63
5.3.240.0070.04014.63
5.3.230.0070.06714.67
5.3.220.0000.08014.64
5.3.210.0030.05014.58
5.3.200.0000.04314.60
5.3.190.0100.07014.55
5.3.180.0070.04714.56
5.3.170.0170.06314.70
5.3.160.0030.05014.59
5.3.150.0030.05314.69
5.3.140.0000.04714.54
5.3.130.0000.04714.57
5.3.120.0030.04714.49
5.3.110.0000.04714.50
5.3.100.0000.04314.18
5.3.90.0030.03714.12
5.3.80.0030.03713.93
5.3.70.0070.03314.09
5.3.60.0030.04014.12
5.3.50.0000.04013.98
5.3.40.0100.03313.85
5.3.30.0030.03013.89
5.3.20.0070.03013.75
5.3.10.0030.03313.55
5.3.00.0030.03313.77
5.2.170.0030.03011.88
5.2.160.0070.04311.88
5.2.150.0000.02711.88
5.2.140.0070.02311.88
5.2.130.0030.03011.88
5.2.120.0070.02311.88
5.2.110.0070.02711.88
5.2.100.0070.06011.88
5.2.90.0000.02711.88
5.2.80.0030.03711.88
5.2.70.0030.05311.88
5.2.60.0000.03011.88
5.2.50.0030.02711.88
5.2.40.0030.02711.88
5.2.30.0000.03011.88
5.2.20.0000.03011.88
5.2.10.0000.03311.88
5.2.00.0000.03011.88
5.1.60.0070.01711.88
5.1.50.0000.02711.88
5.1.40.0070.02011.88
5.1.30.0030.02311.88
5.1.20.0000.02711.88
5.1.10.0070.02011.88
5.1.00.0000.02711.88
5.0.50.0030.01711.88
5.0.40.0000.02011.88
5.0.30.0000.03311.88
5.0.20.0000.02011.88
5.0.10.0000.02011.88
5.0.00.0000.03311.88
4.4.90.0000.01711.88
4.4.80.0000.02011.88
4.4.70.0000.03011.88
4.4.60.0000.01711.88
4.4.50.0000.02311.88
4.4.40.0000.02311.88
4.4.30.0000.01311.88
4.4.20.0000.01711.88
4.4.10.0000.01711.88
4.4.00.0000.02311.88
4.3.110.0030.01011.88
4.3.100.0000.01711.88
4.3.90.0030.01011.88
4.3.80.0000.02311.88
4.3.70.0000.01711.88
4.3.60.0000.01311.88
4.3.50.0000.01711.88
4.3.40.0030.02011.88
4.3.30.0000.01711.88
4.3.20.0000.01711.88
4.3.10.0000.01711.88
4.3.00.0000.01311.88

preferences:
54.42 ms | 400 KiB | 5 Q