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)
7.4.00.0030.01414.93
7.3.120.0100.00914.99
7.3.110.0100.00915.05
7.3.100.0050.01314.96
7.3.90.0030.01014.75
7.3.80.0050.01314.90
7.3.70.0030.01014.96
7.3.60.0060.00814.99
7.3.50.0100.00814.84
7.3.40.0020.01314.79
7.3.30.0070.00514.83
7.3.20.0050.00916.47
7.3.10.0050.00816.62
7.3.00.0070.00916.49
7.2.250.0100.00814.97
7.2.240.0070.01215.23
7.2.230.0090.00715.00
7.2.220.0070.00715.19
7.2.210.0020.01315.09
7.2.200.0070.01015.20
7.2.190.0070.00815.07
7.2.180.0080.00915.26
7.2.170.0110.00515.06
7.2.160.0080.01115.20
7.2.150.0040.01517.03
7.2.140.0070.01016.68
7.2.130.0100.00616.88
7.2.120.0110.00516.62
7.2.110.0110.00817.07
7.2.100.0040.00916.74
7.2.90.0080.00817.03
7.2.80.0130.00516.79
7.2.70.0040.01116.72
7.2.60.0020.01416.95
7.2.50.0070.01016.93
7.2.40.0070.00916.86
7.2.30.0080.00516.97
7.2.20.0070.00816.93
7.2.10.0000.01316.68
7.2.00.0040.01017.77
7.1.330.0070.01015.74
7.1.320.0040.01015.82
7.1.310.0050.01315.88
7.1.300.0060.01015.74
7.1.290.0050.01015.65
7.1.280.0090.00615.57
7.1.270.0080.00815.75
7.1.260.0050.01015.61
7.1.250.0040.00915.87
7.1.240.0110.00715.56
7.1.230.0030.01315.80
7.1.220.0040.01415.88
7.1.210.0100.00715.84
7.1.200.0050.00515.76
7.1.190.0100.00715.85
7.1.180.0000.01015.79
7.1.170.0000.01315.82
7.1.160.0140.00315.94
7.1.150.0060.01015.90
7.1.140.0060.00915.50
7.1.130.0100.01015.69
7.1.120.0000.01015.71
7.1.110.0100.01015.93
7.1.100.0070.01015.89
7.1.90.0090.00915.98
7.1.80.0030.01315.76
7.1.70.0050.00816.34
7.1.60.0020.01617.59
7.1.50.0060.00816.21
7.1.40.0090.00615.82
7.1.30.0100.00315.49
7.1.20.0040.01115.48
7.1.10.0030.01615.57
7.1.00.0050.02519.25
7.0.330.0030.01415.12
7.0.320.0070.01115.48
7.0.310.0030.01015.37
7.0.300.0100.00715.43
7.0.290.0000.01115.36
7.0.280.0070.00715.39
7.0.270.0060.00915.37
7.0.260.0060.00915.43
7.0.250.0030.00615.41
7.0.240.0120.00315.61
7.0.230.0060.00915.57
7.0.220.0040.01115.50
7.0.210.0040.00815.21
7.0.200.0050.00715.94
7.0.190.0070.00715.33
7.0.180.0060.00315.56
7.0.170.0000.01415.42
7.0.160.0060.00615.53
7.0.150.0070.00315.31
7.0.140.0030.03918.75
7.0.130.0000.01515.50
7.0.120.0060.03818.67
7.0.110.0180.00015.22
7.0.100.0030.00915.26
7.0.90.0030.01015.43
7.0.80.0130.00315.45
7.0.70.0040.01515.45
7.0.60.0060.04717.73
7.0.50.0050.04916.70
7.0.40.0100.04015.69
7.0.30.0070.04215.52
7.0.20.0080.03015.59
7.0.10.0050.04415.62
7.0.00.0080.04115.57
5.6.400.0060.00313.98
5.6.390.0030.00914.53
5.6.380.0040.01214.64
5.6.370.0090.00014.41
5.6.360.0090.00614.40
5.6.350.0000.01214.53
5.6.340.0040.00714.52
5.6.330.0070.00713.96
5.6.320.0100.01014.52
5.6.310.0000.01614.57
5.6.300.0090.00614.24
5.6.290.0000.01014.59
5.6.280.0070.00714.52
5.6.270.0070.01014.05
5.6.260.0070.00314.08
5.6.250.0070.00714.37
5.6.240.0060.00614.56
5.6.230.0100.00714.13
5.6.220.0070.00714.34
5.6.210.0100.04617.36
5.6.200.0070.04216.29
5.6.190.0070.04716.26
5.6.180.0110.04316.36
5.6.170.0090.04216.15
5.6.160.0030.03716.18
5.6.150.0070.04516.43
5.6.140.0080.03816.26
5.6.130.0100.04116.29
5.6.120.0030.04916.32
5.6.110.0070.03516.33
5.6.100.0080.04016.21
5.6.90.0050.04816.17
5.6.80.0080.04416.00
5.6.70.0020.05215.92
5.6.60.0080.04115.92
5.6.50.0050.04315.96
5.6.40.0050.03315.96
5.6.30.0020.04915.84
5.6.20.0100.04015.87
5.6.10.0080.04315.92
5.6.00.0040.04415.80
5.5.380.0060.00914.19
5.5.370.0030.01214.42
5.5.360.0000.01714.18
5.5.350.0040.02517.22
5.5.340.0070.04216.17
5.5.330.0030.03916.01
5.5.320.0090.04116.10
5.5.310.0120.04116.11
5.5.300.0100.02916.20
5.5.290.0050.03816.24
5.5.280.0080.04216.01
5.5.270.0090.04516.14
5.5.260.0080.04516.34
5.5.250.0070.04516.04
5.5.240.0090.02815.88
5.5.230.0100.04015.63
5.5.220.0100.03715.78
5.5.210.0090.03815.86
5.5.200.0060.03615.62
5.5.190.0090.03415.83
5.5.180.0100.04215.86
5.5.170.0030.01314.06
5.5.160.0120.03515.84
5.5.150.0030.04315.91
5.5.140.0100.04215.81
5.5.130.0110.03815.95
5.5.120.0000.04515.90
5.5.110.0010.03315.71
5.5.100.0080.03015.87
5.5.90.0050.04315.60
5.5.80.0050.04415.68
5.5.70.0090.04515.76
5.5.60.0070.03615.71
5.5.50.0020.04915.78
5.5.40.0090.03915.60
5.5.30.0050.02715.81
5.5.20.0050.04315.70
5.5.10.0070.04515.80
5.5.00.0100.04215.69
5.4.450.0080.04015.26
5.4.440.0070.03715.27
5.4.430.0070.04215.38
5.4.420.0070.04315.20
5.4.410.0050.04215.19
5.4.400.0100.03015.22
5.4.390.0070.04215.11
5.4.380.0060.03415.12
5.4.370.0080.04315.14
5.4.360.0050.03315.12
5.4.350.0060.03215.16
5.4.340.0050.03815.11
5.4.330.0000.01211.19
5.4.320.0090.03615.10
5.4.310.0060.04215.10
5.4.300.0040.04715.16
5.4.290.0050.03715.17
5.4.280.0050.04315.12
5.4.270.0080.02815.14
5.4.260.0040.02615.12
5.4.250.0080.04115.23
5.4.240.0100.03815.13
5.4.230.0100.03915.14
5.4.220.0070.04215.10
5.4.210.0050.04115.10
5.4.200.0080.03115.14
5.4.190.0040.04315.16
5.4.180.0030.04615.22
5.4.170.0060.04115.18
5.4.160.0050.04415.11
5.4.150.0080.02015.06
5.4.140.0040.02713.83
5.4.130.0070.04213.75
5.4.120.0050.04313.95
5.4.110.0030.04513.82
5.4.100.0050.03513.87
5.4.90.0060.04213.87
5.4.80.0050.03613.77
5.4.70.0050.04213.88
5.4.60.0150.03413.79
5.4.50.0030.04213.71
5.4.40.0050.04313.87
5.4.30.0050.04413.73
5.4.20.0070.03913.70
5.4.10.0050.03713.80
5.4.00.0090.03513.47
5.3.290.0060.03612.97
5.3.280.0030.04513.01
5.3.270.0070.03812.96
5.3.260.0080.02512.94
5.3.250.0110.03512.92
5.3.240.0030.03012.94
5.3.230.0100.03813.01
5.3.220.0000.04012.90
5.3.210.0060.04312.93
5.3.200.0080.04312.90
5.3.190.0120.03712.90
5.3.180.0080.04212.99
5.3.170.0080.03712.91
5.3.160.0050.04512.90
5.3.150.0070.03012.88
5.3.140.0080.02812.88
5.3.130.0030.04612.98
5.3.120.0100.03812.93
5.3.110.0050.03012.88
5.3.100.0050.04112.62
5.3.90.0080.03312.65
5.3.80.0050.02512.63
5.3.70.0030.04312.61
5.3.60.0050.04312.63
5.3.50.0050.03412.59
5.3.40.0020.04112.58
5.3.30.0050.02712.48
5.3.20.0030.04212.48
5.3.10.0090.02712.35
5.3.00.0030.02812.45
5.2.170.0030.06311.08
5.2.160.0070.06011.06
5.2.150.0000.05311.07
5.2.140.0070.06011.07
5.2.130.0100.05711.24
5.2.120.0100.05711.07
5.2.110.0070.04011.06
5.2.100.0130.05311.05
5.2.90.0070.06011.06
5.2.80.0070.06010.99
5.2.70.0030.06311.08
5.2.60.0100.02311.04
5.2.50.0000.03010.98
5.2.40.0000.03010.83
5.2.30.0000.03010.86
5.2.20.0000.03010.86
5.2.10.0000.03010.89
5.2.00.0030.02710.71
5.1.60.0000.0239.98
5.1.50.0000.0279.97
5.1.40.0030.02010.02
5.1.30.0070.02010.36
5.1.20.0000.02710.50
5.1.10.0000.02710.06
5.1.00.0030.02310.21
5.0.50.0030.0178.55
5.0.40.0000.0208.34
5.0.30.0030.0278.27
5.0.20.0000.0208.27
5.0.10.0030.0238.25
5.0.00.0000.0308.25
4.4.90.0000.0238.25
4.4.80.0000.0178.25
4.4.70.0030.0138.25
4.4.60.0030.0138.25
4.4.50.0000.0178.25
4.4.40.0030.0238.25
4.4.30.0030.0138.25
4.4.20.0030.0138.25
4.4.10.0000.0178.25
4.4.00.0000.0238.25
4.3.110.0000.0178.25
4.3.100.0000.0138.25
4.3.90.0000.0138.25
4.3.80.0000.0308.25
4.3.70.0000.0208.25
4.3.60.0000.0138.25
4.3.50.0000.0138.25
4.3.40.0000.0238.25
4.3.30.0000.0138.25
4.3.20.0070.0138.25
4.3.10.0000.0138.25
4.3.00.0000.0138.25

preferences:
38.86 ms | 401 KiB | 5 Q