3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = range(0, 100000); $keys = array_map(function ($x) { return chr(46+rand(0, 26)) . chr(46+rand(0, 26)) . chr(46+rand(0, 26)) . $x; }, $x); $vars = array_combine($keys, $x); function _ext() { extract(func_get_arg(0)); } function _for() { foreach (func_get_arg(0) as $__k => $__v) { $$__k = $__v; } unset($__k, $__v); } $t = -microtime(TRUE); _ext($vars); echo sprintf('%.4f', $t + microtime(TRUE)) . PHP_EOL; $t = -microtime(TRUE); _for($vars); echo sprintf('%.4f', $t + microtime(TRUE)) . PHP_EOL;

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)
7.4.00.0190.10034.41
7.3.120.0210.10134.50
7.3.110.0230.09734.41
7.3.100.0110.08434.29
7.3.90.0150.07834.26
7.3.80.0140.08634.41
7.3.70.0160.07634.23
7.3.60.0140.07534.22
7.3.50.0140.07234.40
7.3.40.0160.07634.25
7.3.30.0170.07334.41
7.3.20.0100.07239.13
7.3.10.0140.06939.08
7.3.00.0170.07238.97
7.2.250.0230.11333.73
7.2.240.0130.11133.66
7.2.230.0190.07233.70
7.2.220.0170.08433.88
7.2.210.0200.08133.49
7.2.200.0130.08133.68
7.2.190.0190.07633.77
7.2.180.0220.07733.78
7.2.170.0120.07733.55
7.2.130.0300.07639.11
7.2.120.0490.08238.93
7.2.110.0390.08838.88
7.2.100.0290.08139.15
7.2.90.0370.08038.81
7.2.80.0360.08039.35
7.2.70.0300.07139.18
7.2.60.0530.08638.69
7.2.50.0420.08738.85
7.2.40.0590.07639.04
7.2.30.0510.08939.15
7.2.20.0440.08738.84
7.2.10.0450.09338.83
7.2.00.0190.07540.36
7.1.330.0060.10437.71
7.1.320.0090.11837.91
7.1.310.0070.10838.04
7.1.300.0120.11537.96
7.1.290.0100.11637.93
7.1.280.0120.10637.97
7.1.270.0100.10837.95
7.1.260.0120.10237.82
7.1.250.0330.11938.03
7.1.70.0000.06739.39
7.1.60.0100.11839.68
7.1.50.0170.10339.25
7.1.00.0100.15344.54
7.0.200.2440.06933.42
7.0.140.0070.15044.29
7.0.120.0170.14744.18
7.0.60.0230.14038.58
7.0.50.0100.14736.48
7.0.40.0130.15031.51
7.0.30.0130.13031.52
7.0.20.0100.15731.57
7.0.10.0170.15331.50
7.0.00.0130.14731.57
5.6.280.0130.30785.11
5.6.210.0230.25084.71
5.6.200.0270.28782.28
5.6.190.0330.26082.22
5.6.180.0300.28382.14
5.6.170.0130.25082.16
5.6.160.0400.24082.26
5.6.150.0300.25382.21
5.6.140.0330.29082.21
5.6.130.0230.28782.15
5.6.120.0400.27382.16
5.6.110.0370.21782.17
5.6.100.0200.22781.95
5.6.90.0170.24082.16
5.6.80.0430.27381.52
5.6.70.0270.23381.54
5.6.60.0300.27781.55
5.6.50.0270.27081.60
5.6.40.0330.27381.37
5.6.30.0270.29781.51
5.6.20.0370.29781.50
5.6.10.0300.20781.50
5.6.00.0230.28381.51
5.5.350.0370.23084.35
5.5.340.0500.28081.99
5.5.330.0300.27782.05
5.5.320.0400.28781.99
5.5.310.0300.25782.03
5.5.300.0470.27382.02
5.5.290.0370.23382.00
5.5.280.0370.25781.83
5.5.270.0200.24782.01
5.5.260.0500.22381.98
5.5.250.0370.24381.88
5.5.240.0370.28381.32
5.5.230.0370.28381.43
5.5.220.0200.31781.40
5.5.210.0400.25081.44
5.5.200.0400.28081.36
5.5.190.0330.27381.34
5.5.180.0330.28381.31
5.5.160.0370.27381.36
5.5.150.0470.29081.33
5.5.140.0370.25781.60
5.5.130.0300.22381.55
5.5.120.0070.24381.52
5.5.110.0330.29781.45
5.5.100.0170.23081.31
5.5.90.0130.23381.25
5.5.80.0170.22781.24
5.5.70.0200.23081.20
5.5.60.0500.23381.10
5.5.50.0270.23081.25
5.5.40.0100.30781.63
5.5.30.0170.25081.27
5.5.20.0230.30781.19
5.5.10.0330.27081.25
5.5.00.0170.25381.21
5.4.450.0430.28383.13
5.4.440.0330.26383.26
5.4.430.0270.28783.21
5.4.420.0330.29383.43
5.4.410.0300.23783.07
5.4.400.0400.29082.91
5.4.390.0270.25782.79
5.4.380.0370.27383.00
5.4.370.0230.26382.88
5.4.360.0370.29782.89
5.4.350.0300.29782.80
5.4.340.0330.29782.97
5.4.320.0470.28382.89
5.4.310.0230.29383.03
5.4.300.0300.23382.93
5.4.290.0170.23782.95
5.4.280.0230.22382.88
5.4.270.0400.20782.88
5.4.260.0400.29382.97
5.4.250.0200.22382.87
5.4.240.0270.22083.10
5.4.230.0270.21782.88
5.4.220.0200.24082.87
5.4.210.0130.23782.94
5.4.200.0070.27382.98
5.4.190.0330.30082.90
5.4.180.0270.23782.87
5.4.170.0270.25083.10
5.4.160.0270.29782.79
5.4.150.0400.28382.90
5.4.140.0300.25380.40
5.4.130.0230.25380.30
5.4.120.0200.30380.39
5.4.110.0270.24380.33
5.4.100.0370.26780.25
5.4.90.0370.28080.28
5.4.80.0370.26780.30
5.4.70.0300.29780.37
5.4.60.0400.28780.32
5.4.50.0400.29780.27
5.4.40.0300.25080.17
5.4.30.0370.27780.30
5.4.20.0370.28780.16
5.4.10.0230.27780.32
5.4.00.0330.28379.64
5.3.290.0200.26075.68
5.3.280.0230.24775.71
5.3.270.0330.30775.82
5.3.260.0230.30775.62
5.3.250.0300.31775.71
5.3.240.0400.30075.77
5.3.230.0330.27375.72
5.3.220.0230.31075.78
5.3.210.0100.33775.78
5.3.200.0270.24075.80
5.3.190.0230.24076.70
5.3.180.0230.28775.53
5.3.170.0370.30375.79
5.3.160.0230.32075.57
5.3.150.0370.25075.76
5.3.140.0300.30375.69
5.3.130.0230.31375.73
5.3.120.0270.29775.67
5.3.110.0370.30075.76
5.3.100.0370.31775.23
5.3.90.0230.32075.12
5.3.80.0370.29775.16
5.3.70.0230.34375.20
5.3.60.0330.30375.20
5.3.50.0400.31775.07
5.3.40.0330.31075.12
5.3.30.0270.25075.10
5.3.20.0230.30374.70
5.3.10.0270.31774.71
5.3.00.0370.26075.61
5.2.170.0070.03711.12
5.2.160.0030.03311.13
5.2.150.0000.06711.14
5.2.140.0070.06010.97
5.2.130.0130.05711.07
5.2.120.0070.03710.88
5.2.110.0030.05711.08
5.2.100.0070.06310.92
5.2.90.0030.04010.99
5.2.80.0030.06711.05
5.2.70.0030.06311.08
5.2.60.0030.06010.95
5.2.50.0070.05310.98
5.2.40.0030.04010.98
5.2.30.0070.05010.88
5.2.20.0030.05010.87
5.2.10.0170.04710.80
5.2.00.0100.03710.67
5.1.60.0030.05310.00
5.1.50.0070.0409.98
5.1.40.0100.0279.96
5.1.30.0100.05710.31
5.1.20.0030.02710.27
5.1.10.0100.03710.04
5.1.00.0000.03010.21
5.0.50.0030.0478.53
5.0.40.0030.0438.31
5.0.30.0030.0438.21
5.0.20.0000.0238.10
5.0.10.0000.0208.20
5.0.00.0000.0478.07
4.4.90.0000.0207.66
4.4.80.0030.0337.66
4.4.70.0030.0377.66
4.4.60.0000.0377.66
4.4.50.0070.0337.66
4.4.40.0000.0377.66
4.4.30.0000.0277.66
4.4.20.0000.0207.66
4.4.10.0000.0407.66
4.4.00.0000.0407.66
4.3.110.0000.0377.66
4.3.100.0000.0207.66
4.3.90.0030.0177.66
4.3.80.0000.0407.66
4.3.70.0070.0137.66
4.3.60.0030.0137.66
4.3.50.0000.0207.66
4.3.40.0030.0207.66
4.3.30.0000.0177.66
4.3.20.0000.0307.66
4.3.10.0030.0337.66
4.3.00.0000.0377.66

preferences:
36.45 ms | 401 KiB | 5 Q