3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = ''; for( $i = 0; $i <= 100; $i++ ) { $str .= str_shuffle('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'); } $start = microtime(true); for( $i = 0; $i<800000; $i++ ) { substr_count( 'foobar', $str ); } echo "count: " . (microtime(true)-$start) . PHP_EOL; $start = microtime(true); for( $i = 0; $i<800000; $i++ ) { preg_match_all( '/foobar/', $str ); } echo "rcount: " . (microtime(true)-$start) . PHP_EOL;

Abusive script

This script was stopped while abusing our resources

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)
8.3.100.0370.21637.54
8.3.90.0360.20729.46
8.3.80.0270.20829.92
8.3.70.0270.20928.21
8.3.60.0220.21428.21
8.3.50.0170.20928.32
8.3.40.0170.22128.21
8.3.30.0190.25626.63
8.3.20.0190.27526.78
8.3.10.0190.26526.77
8.3.00.0200.26326.63
8.2.220.0070.21037.54
8.2.210.0180.21529.46
8.2.200.0200.21629.92
8.2.190.0260.20328.21
8.2.180.0200.20928.21
8.2.170.0280.21428.21
8.2.160.0170.26026.63
8.2.150.0210.26626.63
8.2.140.0210.26326.63
8.2.130.0190.26726.63
8.2.120.0200.25626.63
8.2.110.0250.27526.63
8.2.100.0240.28226.63
8.2.90.0220.26526.63
8.2.80.0130.26626.63
8.2.70.0190.25826.63
8.2.60.0220.26726.63
8.2.50.0240.26426.63
8.2.40.0180.26226.63
8.2.30.0170.27826.63
8.2.20.0180.26226.63
8.2.10.0200.26726.63
8.2.00.0200.25526.63
8.1.290.0220.20729.92
8.1.280.0280.21628.21
8.1.270.0240.25626.70
8.1.260.0220.25826.72
8.1.250.0220.26326.73
8.1.240.0140.26126.63
8.1.230.0190.25626.63
8.1.220.0220.25426.63
8.1.210.0180.25526.63
8.1.200.0170.26526.63
8.1.190.0170.26026.63
8.1.180.0150.26626.63
8.1.170.0140.25726.63
8.1.160.0180.26426.63
8.1.150.0210.27126.63
8.1.140.0200.25726.63
8.1.130.0200.26026.63
8.1.120.0160.26826.63
8.1.110.0150.27126.63
8.1.100.0170.25826.63
8.1.90.0180.26126.63
8.1.80.0200.26126.63
8.1.70.0160.25226.63
8.1.60.0150.25726.63
8.1.50.0190.27426.63
8.1.40.0210.26126.63
8.1.30.0200.26026.63
8.1.20.0170.25026.63
8.1.10.0170.26026.63
8.1.00.0200.27126.63
8.0.300.0180.26726.63
8.0.290.0230.26726.63
8.0.280.0250.26426.63
8.0.270.0190.25326.63
8.0.260.0200.26326.63
8.0.250.0230.26326.63
8.0.240.0220.26126.63
8.0.230.0210.25426.63
8.0.220.0180.26126.63
8.0.210.0250.26426.63
8.0.200.0200.26326.63
8.0.190.0240.25526.63
8.0.180.0210.26726.63
8.0.170.0210.26426.63
8.0.160.0150.26626.63
8.0.150.0210.25626.63
8.0.140.0260.26426.63
8.0.130.0240.26226.63
8.0.120.0220.26826.63
8.0.110.0250.26726.63
8.0.100.0220.27326.63
8.0.90.0230.25826.63
8.0.80.0210.26326.63
8.0.70.0160.26426.63
8.0.60.0200.26726.63
8.0.50.0210.25926.63
8.0.30.0150.26226.63
8.0.20.0190.26426.63
8.0.10.0200.27126.63
8.0.00.0160.26526.70
7.4.330.0230.26326.63
7.4.320.0220.25826.63
7.4.300.0210.26326.63
7.4.290.0250.26826.63
7.4.280.0220.28726.63
7.4.270.0260.26126.63
7.4.260.0240.27326.63
7.4.250.0250.26326.63
7.4.240.0250.27426.63
7.4.230.0240.26426.63
7.4.220.0190.27126.63
7.4.210.0210.26826.63
7.4.200.0210.26526.63
7.4.190.0200.26726.63
7.4.180.0180.26726.63
7.4.160.0220.27526.63
7.4.150.0220.26526.63
7.4.140.0210.26526.63
7.4.130.0220.26326.63
7.4.120.0210.26226.63
7.4.110.0170.26926.63
7.4.100.0220.26926.63
7.4.90.0210.28826.63
7.4.80.0190.25526.63
7.4.70.0230.27826.63
7.4.60.0210.28026.63
7.4.50.0180.34126.63
7.4.40.0240.32626.63
7.4.30.0170.36625.74
7.4.20.0250.35425.72
7.4.10.0240.39025.75
7.4.00.0200.35625.74
7.3.330.0210.32426.63
7.3.320.0170.32326.63
7.3.310.0210.33026.63
7.3.300.0220.32826.63
7.3.290.0280.32326.63
7.3.280.0240.31426.63
7.3.270.0210.32826.63
7.3.260.0200.32726.63
7.3.250.0210.32026.63
7.3.240.0200.32626.63
7.3.230.0180.32426.63
7.3.220.0210.33426.63
7.3.210.0220.32726.63
7.3.200.0210.33426.63
7.3.190.0210.32026.63
7.3.180.0220.33026.63
7.3.170.0240.31826.63
7.3.160.0220.32926.63
7.3.150.0220.38525.74
7.3.140.0190.38125.73
7.3.130.0200.38725.74
7.3.120.0210.39125.74
7.3.110.0200.37725.70
7.3.100.0210.36525.73
7.3.90.0250.35425.75
7.3.80.0250.31626.63
7.3.70.0150.31626.63
7.3.60.0220.34726.63
7.3.50.0220.33526.63
7.3.40.0190.31626.63
7.3.30.0180.31326.63
7.3.20.0210.33426.66
7.3.10.0210.33526.63
7.3.00.0260.32126.63
7.2.340.0261.92126.63
7.2.330.0191.92726.63
7.2.320.0211.92426.63
7.2.310.0221.90926.63
7.2.300.0181.91026.63
7.2.290.0211.91026.63
7.2.280.0201.94825.72
7.2.270.0201.95625.74
7.2.260.0211.96825.74
7.2.250.0191.96425.74
7.2.240.0191.97025.75
7.2.230.0201.96225.75
7.2.220.0221.95525.74
7.2.210.0201.91926.63
7.2.200.0241.91726.63
7.2.190.0211.91826.63
7.2.180.0201.90326.63
7.2.170.0221.92326.63
7.2.160.0261.92426.63
7.2.150.0221.92026.65
7.2.140.0201.91626.66
7.2.130.0191.91526.65
7.2.120.0221.91526.65
7.2.110.0191.92026.65
7.2.100.0171.92226.64
7.2.90.0241.91826.67
7.2.80.0211.92026.65
7.2.70.0191.91426.68
7.2.60.0181.92026.65
7.2.50.0251.91526.66
7.2.40.0231.90926.68
7.2.30.0221.91726.68
7.2.20.0211.92326.65
7.2.10.0231.91826.67
7.2.00.0191.92326.68
7.1.330.0171.92037.54
7.1.320.0201.93237.54
7.1.310.0101.88337.54
7.1.300.0171.92037.54
7.1.290.0331.91037.54
7.1.280.0271.91237.54
7.1.270.0101.90837.54
7.1.260.0201.90237.54
7.1.250.0101.93037.54
7.1.240.0201.90537.54
7.1.230.0231.95937.54
7.1.220.0101.89437.54
7.1.210.0071.88937.54
7.1.200.0131.92937.54
7.1.190.0201.92537.54
7.1.180.0231.90937.54
7.1.170.0201.91037.54
7.1.160.0231.91637.54
7.1.150.0201.92537.54
7.1.140.0171.91537.54
7.1.130.0131.89537.54
7.1.120.0201.90737.54
7.1.110.0201.92437.54
7.1.100.0071.88737.54
7.1.90.0131.87837.54
7.1.80.0171.87837.54
7.1.70.0331.90937.54
7.1.60.0101.91437.54
7.1.50.0301.92137.54
7.1.40.0131.91237.54
7.1.30.0101.90337.54
7.1.20.0201.88537.54
7.1.10.0271.91937.54
7.1.00.0201.91237.54
7.0.330.0271.91037.54
7.0.320.0231.95537.54
7.0.310.0231.90237.54
7.0.300.0131.93437.54
7.0.290.0171.89937.54
7.0.280.0131.87737.54
7.0.270.0131.90137.54
7.0.260.0231.89837.54
7.0.250.0201.93637.54
7.0.240.0171.90837.54
7.0.230.0171.92437.54
7.0.220.0201.92737.54
7.0.210.0231.92737.54
7.0.200.0131.89737.54
7.0.190.0201.93637.54
7.0.180.0271.93137.54
7.0.170.0131.93637.54
7.0.160.0131.90137.54
7.0.150.0171.90237.54
7.0.140.0171.88637.54
7.0.130.0101.88937.54
7.0.120.0131.90037.54
7.0.110.0101.89637.54
7.0.100.0071.88737.54
7.0.90.0131.91137.54
7.0.80.0201.89037.54
7.0.70.0101.88137.54
7.0.60.0071.90437.54
7.0.50.0271.88737.54
7.0.40.0271.89937.54
7.0.30.0201.87437.54
7.0.20.0201.90237.54
7.0.10.0301.90137.54
7.0.00.0301.88737.54
5.6.400.0101.99237.54
5.6.390.0131.98837.54
5.6.380.0201.98237.54
5.6.370.0171.98337.54
5.6.360.0201.98337.54
5.6.350.0201.98237.54
5.6.340.0201.98337.54
5.6.330.0071.99837.54
5.6.320.0201.97837.54
5.6.310.0131.99037.54
5.6.300.0231.97837.54
5.6.290.0071.99737.54
5.6.280.0101.98937.54
5.6.270.0071.99637.54
5.6.260.0401.95637.54
5.6.250.0171.98437.54
5.6.240.0071.99737.54
5.6.230.0271.97037.54
5.6.220.0032.00837.54
5.6.210.0201.98337.54
5.6.200.0171.98737.54
5.6.190.0131.99337.54
5.6.180.0032.00437.54
5.6.170.0072.00137.54
5.6.160.0131.99037.54
5.6.150.0032.00337.54
5.6.140.0231.97237.54
5.6.130.0201.98337.54
5.6.120.0131.99137.54
5.6.110.0032.00037.54
5.6.100.0171.98237.54
5.6.90.0271.97437.54
5.6.80.0231.98037.54
5.6.70.0101.99737.54
5.6.60.0271.97237.54
5.6.50.0131.98937.54
5.6.40.0171.98437.54
5.6.30.0171.98837.54
5.6.20.0131.99237.54
5.6.10.0201.98437.54
5.6.00.0131.99537.54
5.5.380.0231.97537.54
5.5.370.0171.98937.54
5.5.360.0231.97637.54
5.5.350.0271.97237.54
5.5.340.0101.99037.54
5.5.330.0032.00737.54
5.5.320.0171.98437.54
5.5.310.0231.97937.54
5.5.300.0231.97837.54
5.5.290.0101.98837.54
5.5.280.0171.98337.54
5.5.270.0271.97337.54
5.5.260.0131.99237.54
5.5.250.0071.99737.54
5.5.240.0101.99537.54
5.5.230.0201.98037.54
5.5.220.0071.99837.54
5.5.210.0101.99537.54
5.5.200.0231.97537.54
5.5.190.0171.98637.54
5.5.180.0071.99637.54
5.5.170.0101.99037.54
5.5.160.0201.98637.54
5.5.150.0131.99437.54
5.5.140.0072.00137.54
5.5.130.0171.98937.54
5.5.120.0131.99337.54
5.5.110.0032.00537.54
5.5.100.0101.99237.54
5.5.90.0071.99837.54
5.5.80.0171.98337.54
5.5.70.0201.98037.54
5.5.60.0171.98537.54
5.5.50.0101.99837.54
5.5.40.0131.98437.54
5.5.30.0072.00137.54
5.5.20.0072.00137.54
5.5.10.0101.98737.54
5.5.00.0271.97337.54
5.4.450.0131.98437.54
5.4.440.0071.99937.54
5.4.430.0071.99837.54
5.4.420.0171.98437.54
5.4.410.0131.98737.54
5.4.400.0201.98337.54
5.4.390.0071.99737.54
5.4.380.0131.99137.54
5.4.370.0101.99537.54
5.4.360.0002.00537.54
5.4.350.0101.98937.54
5.4.340.0032.00137.54
5.4.330.0071.99337.54
5.4.320.0071.99237.54
5.4.310.0171.98837.54
5.4.300.0071.99837.54
5.4.290.0131.98937.54
5.4.280.0101.99337.54
5.4.270.0071.99337.54
5.4.260.0101.99037.54
5.4.250.0201.98437.54
5.4.240.0171.98737.54
5.4.230.0131.99137.54
5.4.220.0071.99837.54
5.4.210.0101.99737.54
5.4.200.0171.98637.54
5.4.190.0101.98337.54
5.4.180.0032.00337.54
5.4.170.0101.98737.54
5.4.160.0101.98837.54
5.4.150.0131.99137.54
5.4.140.0101.99637.54
5.4.130.0101.99237.54
5.4.120.0071.99637.54
5.4.110.0131.98537.54
5.4.100.0101.99537.54
5.4.90.0101.99537.54
5.4.80.0032.00437.54
5.4.70.0101.99237.54
5.4.60.0131.99137.54
5.4.50.0201.98037.54
5.4.40.0131.99137.54
5.4.30.0071.99937.54
5.4.20.0101.98937.54
5.4.10.0131.98537.54
5.4.00.0101.99537.54
5.3.290.0100.08437.54
5.3.280.0100.08437.54
5.3.270.0070.08637.54
5.3.260.0140.11637.54
5.3.250.0070.08837.54
5.3.240.0100.08337.54
5.3.230.0260.09637.54
5.3.220.0130.08237.54
5.3.210.0130.07537.54
5.3.200.0070.08137.54
5.3.190.0130.10437.54
5.3.180.0130.07337.54
5.3.170.0130.07337.54
5.3.160.0170.10137.54
5.3.150.0170.10937.54

preferences:
92.12 ms | 403 KiB | 5 Q