3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = function($p = 'abcde', $c = 'abc') { return substr($p, 0, strlen($c)) == $c; }; $test1 = function($p = 'abcde', $c = 'abc') { return strncmp($p, $c, strlen($c)); }; $print = function($closure, $s, $cycles = 1000000) { for ($i =0; $i < $cycles; $i++) { $closure(); } echo printf('Runns: %.3f', microtime(1) - $s); echo PHP_EOL; }; $print($test, microtime(1)); $print($test1, microtime(1));

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)
7.4.00.0070.29914.93
7.3.120.0030.30814.86
7.3.110.0030.32315.11
7.3.100.0070.18314.77
7.3.90.0070.29014.72
7.3.80.0000.23815.02
7.3.70.0070.19814.71
7.3.60.0000.27814.99
7.3.50.0030.19214.84
7.3.40.0030.19414.80
7.3.30.0030.30114.48
7.3.20.0030.24216.75
7.3.10.0030.19416.34
7.3.00.0070.20316.50
7.2.250.0070.33415.19
7.2.240.0030.22215.15
7.2.230.0000.26615.06
7.2.220.0070.23115.14
7.2.210.0070.27715.14
7.2.200.0100.21614.87
7.2.190.0030.22715.24
7.2.180.0160.20815.11
7.2.170.0000.28114.91
7.2.00.0000.14619.34
7.1.330.0100.51215.75
7.1.320.0030.51015.84
7.1.310.0070.48215.75
7.1.300.0070.56415.88
7.1.290.0070.56515.76
7.1.280.0030.51215.73
7.1.270.0030.49415.66
7.1.260.0070.49915.77
7.1.70.0760.23816.86
7.1.60.0130.22519.33
7.1.50.0070.25617.06
7.1.00.0000.30722.43
7.0.200.0030.23616.79
7.0.140.0070.33322.01
7.0.60.0100.27719.95
7.0.50.0030.23017.89
7.0.40.0070.22020.14
7.0.30.0100.22320.09
7.0.20.0270.27020.07
7.0.10.0100.26320.09
7.0.00.0070.30720.27
5.6.280.0030.81721.13
5.6.210.0070.72320.67
5.6.200.0100.78318.11
5.6.190.0030.63320.52
5.6.180.0330.69720.58
5.6.170.0170.76720.45
5.6.160.0130.74020.48
5.6.150.0170.78718.21
5.6.140.0130.78718.18
5.6.130.0100.78318.15
5.6.120.0030.77720.93
5.6.110.0100.78720.97
5.6.100.0100.80721.12
5.6.90.0100.72721.17
5.6.80.0070.80020.40
5.5.350.0200.82020.45
5.5.340.0070.78717.93
5.5.330.0070.65720.27
5.5.320.0230.78020.37
5.5.310.0430.80320.19
5.5.300.0000.76717.95
5.5.290.0070.80017.95
5.5.280.0070.82720.79
5.5.270.0170.76320.88
5.5.260.0170.83020.89
5.5.250.0030.75720.48
5.5.240.0030.82720.27
5.4.450.0470.62319.60
5.4.440.1170.60719.31
5.4.430.0930.68719.16
5.4.420.1100.60019.19
5.4.410.0530.67719.28
5.4.400.0770.71019.23
5.4.390.1030.66319.06
5.4.380.0431.27318.74
5.4.370.0371.22018.51
5.4.360.0401.36718.74
5.4.350.0531.75018.77
5.4.340.0371.29018.48
5.4.320.0080.84212.50
5.4.310.0050.85212.50
5.4.300.0070.84912.51
5.4.290.0070.86412.51
5.4.280.0080.85412.40
5.4.270.0070.88912.40
5.4.260.0060.93712.41
5.4.250.0080.90012.40
5.4.240.0120.96012.40
5.4.230.0050.86212.39
5.4.220.0110.86312.39
5.4.210.0040.86912.39
5.4.200.0110.88912.39
5.4.190.0131.02212.38
5.4.180.0221.03812.37
5.4.170.0171.09012.38
5.4.160.0171.05012.38
5.4.150.0181.13612.38
5.4.140.0151.02212.06
5.4.130.0220.94512.05
5.4.120.0171.02112.00
5.4.110.0120.98012.00
5.4.100.0130.93412.00
5.4.90.0140.99712.00
5.4.80.0201.08912.00
5.4.70.0181.00711.99
5.4.60.0191.06512.00
5.4.50.0210.98611.99
5.4.40.0141.05911.98
5.4.30.0171.13211.98
5.4.20.0201.09611.98
5.4.10.0211.15211.98
5.4.00.0251.09211.47
5.3.290.0061.01212.80
5.3.280.0081.02512.71
5.3.270.0191.38412.72
5.3.260.0201.32512.72
5.3.250.0201.35512.72
5.3.240.0171.32012.72
5.3.230.0171.26612.71
5.3.220.0261.19112.68
5.3.210.0151.27112.68
5.3.200.0171.19912.68
5.3.190.0141.28912.67
5.3.180.0171.22112.67
5.3.170.0241.22612.67
5.3.160.0101.22712.68
5.3.150.0141.27212.67
5.3.140.0251.29812.66
5.3.130.0181.16412.66
5.3.120.0191.17912.66
5.3.110.0121.16412.66
5.3.100.0201.32312.12
5.3.90.0211.22112.10
5.3.80.0171.11912.08
5.3.70.0181.11212.08
5.3.60.0141.18312.07
5.3.50.0191.25612.01
5.3.40.0181.12612.01
5.3.30.0161.09811.99
5.3.20.0151.20311.77
5.3.10.0191.20211.73
5.3.00.0141.20311.71
5.2.170.0100.0399.16
5.2.160.0170.0319.16
5.2.150.0100.0379.16
5.2.140.0170.0319.16
5.2.130.0140.0339.12
5.2.120.0100.0379.12
5.2.110.0170.0329.13
5.2.100.0070.0399.12
5.2.90.0100.0369.12
5.2.80.0180.0339.11
5.2.70.0100.0389.12
5.2.60.0120.0359.07
5.2.50.0110.0369.03
5.2.40.0240.0559.02
5.2.30.0140.0338.98
5.2.20.0120.0368.98
5.2.10.0100.0368.90
5.2.00.0070.0378.75
5.1.60.0140.0258.04
5.1.50.0090.0328.05
5.1.40.0110.0298.04
5.1.30.0110.0338.37
5.1.20.0150.0588.40
5.1.10.0110.0328.12
5.1.00.0100.0338.12
5.0.50.0090.0246.60
5.0.40.0090.0236.46
5.0.30.0080.0366.27
5.0.20.0250.0376.25
5.0.10.0070.0236.22
5.0.00.0090.0366.21
4.4.90.0080.0164.78
4.4.80.0080.0174.75
4.4.70.0090.0164.76
4.4.60.0070.0194.76
4.4.50.0070.0174.77
4.4.40.0070.0284.71
4.4.30.0050.0214.76
4.4.20.0070.0184.85
4.4.10.0090.0464.85
4.4.00.0040.0314.76
4.3.110.0050.0194.67
4.3.100.0100.0174.67
4.3.90.0060.0174.63
4.3.80.0070.0294.58
4.3.70.0050.0194.63
4.3.60.0050.0194.63
4.3.50.0050.0194.63
4.3.40.0080.0254.54
4.3.30.0060.0173.29
4.3.20.0020.0213.26
4.3.10.0050.0173.23
4.3.00.0030.02015.64

preferences:
39.11 ms | 400 KiB | 5 Q