3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 50; $start = microtime(true); $code = ' $ret = ""; for ($i=0; $i<100; $i++) { $ret.= md5($i.$ret); } return $ret; '; for($i = 0; $i < $count; $i++) { eval($code); } printf("#1, result is %d, done in %f\n", $y, microtime(true) - $start); $start = microtime(true); $f = function() { // return ++$y; $ret = ''; for ($i=0; $i<100; $i++) { $ret.= md5($i.$ret); } return $ret; }; for($i = 0; $i < $count; $i++) { $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)
7.4.00.0100.02615.08
7.3.120.0080.02815.15
7.3.110.0100.02514.97
7.3.100.0110.02114.94
7.3.90.0060.02614.81
7.3.80.0100.02014.96
7.3.70.0050.02414.91
7.3.60.0080.02314.98
7.3.50.0060.02214.94
7.3.40.0080.02214.98
7.3.30.0050.02314.97
7.3.20.0050.02416.71
7.3.10.0080.02616.33
7.3.00.0070.02416.56
7.2.250.0100.02515.21
7.2.240.0080.02515.10
7.2.230.0070.02315.25
7.2.220.0080.02114.94
7.2.210.0100.02015.09
7.2.200.0000.02915.12
7.2.190.0020.02615.12
7.2.180.0070.01915.10
7.2.170.0080.02715.15
7.2.160.0080.02914.98
7.2.150.0060.02216.77
7.2.140.0100.02317.06
7.2.130.0090.02416.63
7.2.120.0110.01816.52
7.2.110.0080.02416.79
7.2.100.0080.02116.92
7.2.90.0080.02416.84
7.2.80.0130.01916.79
7.2.70.0070.02216.88
7.2.60.0080.02716.76
7.2.50.0070.02216.66
7.2.40.0070.02616.83
7.2.30.0060.02316.71
7.2.20.0050.02416.68
7.2.10.0050.02716.42
7.2.00.0130.02317.70
7.1.330.0060.02715.83
7.1.320.0080.02115.81
7.1.310.0070.02515.78
7.1.300.0000.02615.75
7.1.290.0080.02215.60
7.1.280.0050.02915.60
7.1.270.0020.02915.84
7.1.260.0090.02215.89
7.1.250.0080.02215.55
7.1.240.0030.02615.84
7.1.230.0030.02415.83
7.1.220.0120.01815.68
7.1.210.0060.02315.54
7.1.200.0070.02315.79
7.1.190.0130.01915.98
7.1.180.0090.02215.89
7.1.170.0070.02615.82
7.1.160.0030.02715.91
7.1.150.0070.02515.81
7.1.140.0100.02415.83
7.1.130.0040.02515.89
7.1.120.0030.02615.83
7.1.110.0030.02015.90
7.1.100.0030.02615.98
7.1.90.0040.02515.79
7.1.80.0000.03115.74
7.1.70.0050.02316.35
7.1.60.0030.03317.77
7.1.50.0030.02816.23
7.1.40.0000.03015.84
7.1.30.0030.02615.87
7.1.20.0040.02515.84
7.1.10.0060.02315.87
7.1.00.0030.04519.18
7.0.330.0030.02315.29
7.0.320.0040.02515.09
7.0.310.0060.02315.46
7.0.300.0030.02715.46
7.0.290.0070.02315.49
7.0.280.0060.02315.17
7.0.270.0030.02615.53
7.0.260.0000.03015.47
7.0.250.0030.02615.55
7.0.240.0040.02215.50
7.0.230.0070.02315.61
7.0.220.0110.01815.41
7.0.210.0120.01915.45
7.0.200.0020.02316.16
7.0.190.0030.02415.56
7.0.180.0030.02115.48
7.0.170.0030.02715.55
7.0.160.0000.03215.14
7.0.150.0070.02315.45
7.0.140.0020.06418.68
7.0.130.0030.02315.43
7.0.120.0090.02215.20
7.0.110.0030.02115.17
7.0.100.0040.02515.63
7.0.90.0030.02615.18
7.0.80.0000.02315.50
7.0.70.0100.02015.55
7.0.60.0070.06817.80
7.0.50.0050.04116.72
7.0.40.0070.06716.75
7.0.30.0180.06016.84
7.0.20.0220.05816.68
7.0.10.0050.04616.83
7.0.00.0100.05216.95
5.6.400.0000.03214.37
5.6.390.0030.02514.55
5.6.380.0070.02114.41
5.6.370.0040.02814.61
5.6.360.0100.02314.64
5.6.350.0030.03014.58
5.6.340.0030.02214.15
5.6.330.0070.02314.49
5.6.320.0100.02014.64
5.6.310.0130.01714.03
5.6.300.0040.02614.27
5.6.290.0070.02214.26
5.6.280.0100.05617.90
5.6.270.0060.02214.38
5.6.260.0030.02614.64
5.6.250.0000.03114.42
5.6.240.0000.02814.55
5.6.230.0030.02314.65
5.6.220.0000.03014.30
5.6.210.0070.04417.39
5.6.200.0050.05816.35
5.6.190.0120.05617.40
5.6.180.1700.03617.43
5.6.170.0100.03917.40
5.6.160.0060.03717.43
5.6.150.0060.06816.38
5.6.140.0050.06616.24
5.6.130.0070.04416.20
5.6.120.0080.03817.82
5.6.110.0030.04617.74
5.6.100.0120.06217.76
5.6.90.0080.06017.75
5.6.80.0050.03817.16
5.6.70.0070.02314.39
5.6.60.0100.02014.26
5.6.50.0030.03014.35
5.6.40.0030.02614.45
5.6.30.0100.02214.18
5.6.20.0030.02614.23
5.6.10.0030.02714.21
5.6.00.0030.02614.43
5.5.380.0070.02414.37
5.5.370.0000.03114.52
5.5.360.0100.02314.28
5.5.350.0100.06817.42
5.5.340.0180.04516.19
5.5.330.0020.04417.21
5.5.320.0070.05117.39
5.5.310.0080.05217.46
5.5.300.0050.06116.12
5.5.290.0070.06216.21
5.5.280.0100.06517.63
5.5.270.0070.04017.68
5.5.260.0070.05017.65
5.5.250.0080.06417.48
5.5.240.0080.06217.35
5.5.230.0100.02014.40
5.5.220.0060.02514.40
5.5.210.0000.02814.49
5.5.200.0040.02814.23
5.5.190.0030.02614.33
5.5.180.0000.02714.27
5.5.170.0130.01914.51
5.5.160.0040.02814.46
5.5.150.0030.02914.16
5.5.140.0100.02114.19
5.5.130.0100.02014.42
5.5.120.0030.02614.32
5.5.110.0030.03014.41
5.5.100.0030.02914.14
5.5.90.0100.01914.51
5.5.80.0030.02714.52
5.5.70.0060.02214.03
5.5.60.0140.01713.89
5.5.50.0040.02813.95
5.5.40.0000.02814.10
5.5.30.0030.02614.34
5.5.20.0030.02614.24
5.5.10.0000.03114.45
5.5.00.0070.02114.06
5.4.450.0300.06315.50
5.4.440.0370.05215.41
5.4.430.0570.05815.49
5.4.420.0530.05715.60
5.4.410.0650.04815.51
5.4.400.1800.05115.18
5.4.390.0200.05815.14
5.4.380.0130.05115.13
5.4.370.0030.05515.14
5.4.360.0080.04915.14
5.4.350.0070.03711.77
5.4.340.0090.03611.77
5.4.330.0030.02611.51
5.4.320.0100.03612.02
5.4.310.0080.03612.01
5.4.300.0050.03612.02
5.4.290.0050.03912.01
5.4.280.0020.04111.96
5.4.270.0080.03511.96
5.4.260.0030.04311.96
5.4.250.0120.04515.23
5.4.240.0050.04715.25
5.4.230.0050.05115.24
5.4.220.0070.05315.26
5.4.210.0080.04815.30
5.4.200.0120.04115.30
5.4.190.0070.05115.18
5.4.180.0070.04815.22
5.4.170.0130.04115.25
5.4.160.0050.04915.24
5.4.150.0090.04615.22
5.4.140.0020.05114.05
5.4.130.0030.05213.93
5.4.120.0080.04514.05
5.4.110.0080.05314.07
5.4.100.0030.04914.08
5.4.90.0080.04414.01
5.4.80.0080.04214.03
5.4.70.0060.04414.00
5.4.60.0050.04614.01
5.4.50.0050.04814.01
5.4.40.0020.05013.99
5.4.30.0060.04613.99
5.4.20.0030.04813.99
5.4.10.0100.04513.93
5.4.00.0070.04613.67
5.3.290.0020.04612.16
5.3.280.0000.05413.17
5.3.270.0030.05313.08
5.3.260.0080.04813.11
5.3.250.0030.05613.02
5.3.240.0000.05613.11
5.3.230.0050.04813.02
5.3.220.0030.05413.00
5.3.210.0120.05913.03
5.3.200.0100.04413.04
5.3.190.0070.04913.05
5.3.180.0050.04713.08
5.3.170.0060.04913.04
5.3.160.0020.05113.13
5.3.150.0020.05413.15
5.3.140.0050.04813.15
5.3.130.0050.04913.10
5.3.120.0020.05413.08
5.3.110.0030.05113.07
5.3.100.0070.04512.82
5.3.90.0070.04312.76
5.3.80.0000.05112.86
5.3.70.0030.04912.76
5.3.60.0070.04712.75
5.3.50.0050.04712.82
5.3.40.0080.04412.78
5.3.30.0020.05012.76
5.3.20.0100.04612.62
5.3.10.0020.06012.63
5.3.00.0030.05212.53
5.2.170.0030.04010.98
5.2.160.0030.04711.15
5.2.150.0070.03711.16
5.2.140.0070.03711.23
5.2.130.0130.04710.93
5.2.120.0070.03711.11
5.2.110.0030.04311.03
5.2.100.0030.04011.02
5.2.90.0070.04011.11
5.2.80.0100.03711.02
5.2.70.0070.04011.11
5.2.60.0030.04010.81
5.2.50.0070.05011.13
5.2.40.0100.03310.92
5.2.30.0030.04310.98
5.2.20.0030.04310.96
5.2.10.0070.03311.07
5.2.00.0070.05310.63
5.1.60.0000.0339.85
5.1.50.0030.0339.77
5.1.40.0070.04010.04
5.1.30.0030.03310.51
5.1.20.0000.03710.51
5.1.10.0030.0339.95
5.1.00.0000.03710.13
5.0.50.0030.0278.70
5.0.40.0070.0208.47
5.0.30.0030.0508.30
5.0.20.0000.0378.25
5.0.10.0000.0278.41
5.0.00.0030.0408.21
4.4.90.0070.0176.70
4.4.80.0030.0206.70
4.4.70.0030.0206.70
4.4.60.0070.0236.70
4.4.50.0000.0206.70
4.4.40.0000.0336.70
4.4.30.0000.0206.70
4.4.20.0030.0176.70
4.4.10.0030.0176.70
4.4.00.0030.0306.70
4.3.110.0030.0276.70
4.3.100.0070.0136.70
4.3.90.0000.0306.70
4.3.80.0070.0276.70
4.3.70.0000.0206.70
4.3.60.0030.0206.70
4.3.50.0030.0206.70
4.3.40.0030.0306.70
4.3.30.0000.0236.70
4.3.20.0030.0206.70
4.3.10.0000.0236.70
4.3.00.0200.0178.34

preferences:
39.63 ms | 401 KiB | 5 Q