3v4l.org

run code in 300+ PHP versions simultaneously
<?php /** * @param int $num1 * @param ?int $num2 If null or omitted, it will get the value 1 * * @return int */ function add($num1, $num2 = null) { // If the default value is null, set it to the default $num2 = $num2 ?? 1; print_r($num1, $num2); return $num1 + $num2; } $bool = true; echo add(5, $bool ? 5 : null) . PHP_EOL; $bool = false; echo add(5, $bool ? 5 : null) . 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)
8.4.120.0140.00620.52
8.4.110.0120.00922.33
8.4.100.0120.00517.76
8.4.90.0150.00718.76
8.4.80.0120.00917.90
8.4.70.0090.01017.78
8.4.60.0120.00818.79
8.4.50.0110.00919.58
8.4.40.0130.00617.56
8.4.30.0090.00920.44
8.4.20.0100.01017.76
8.4.10.0040.00421.73
8.3.250.0120.00619.17
8.3.240.0110.00816.66
8.3.230.0100.00716.58
8.3.220.0110.00417.18
8.3.210.0100.00516.52
8.3.200.0040.00516.73
8.3.190.0130.00616.97
8.3.180.0120.00618.58
8.3.170.0060.01217.14
8.3.160.0130.00616.51
8.3.150.0110.00720.72
8.3.140.0140.00418.90
8.3.130.0050.00318.28
8.3.120.0050.00518.87
8.3.110.0080.00016.62
8.3.100.0030.00718.09
8.3.90.0090.00926.77
8.3.80.0090.00019.36
8.3.70.0150.00616.49
8.3.60.0090.00920.20
8.3.50.0110.00716.46
8.3.40.0170.00320.30
8.3.30.0070.00720.34
8.3.20.0000.00824.18
8.3.10.0040.00424.66
8.3.00.0000.00726.16
8.2.290.0050.00320.38
8.2.280.0080.01018.25
8.2.270.0090.00917.28
8.2.260.0050.00322.47
8.2.250.0070.00318.32
8.2.240.0000.00818.27
8.2.230.0030.00620.94
8.2.220.0070.00024.06
8.2.210.0130.00626.77
8.2.200.0060.00318.88
8.2.190.0080.00818.16
8.2.180.0140.00718.30
8.2.170.0100.00718.92
8.2.160.0140.00422.96
8.2.150.0070.00025.66
8.2.140.0070.00024.66
8.2.130.0080.00026.16
8.2.120.0040.00421.07
8.2.110.0100.00021.18
8.2.100.0040.00817.66
8.2.90.0030.00518.03
8.2.80.0030.00518.95
8.2.70.0160.00379.33
8.2.60.0080.01179.33
8.2.50.0140.00479.33
8.2.40.0100.00779.33
8.2.30.0070.01079.33
8.2.20.0070.01079.33
8.2.10.0140.00379.33
8.2.00.0100.00779.33
8.1.330.0100.00823.68
8.1.320.0120.00715.93
8.1.310.0060.00316.44
8.1.300.0110.00420.01
8.1.290.0030.00630.84
8.1.280.0000.01825.92
8.1.270.0080.00024.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.12
8.1.230.0030.00920.91
8.1.220.0050.00317.74
8.1.210.0050.00318.77
8.1.200.0150.00679.33
8.1.190.0160.00379.33
8.1.180.0080.00879.33
8.1.170.0140.00479.33
8.1.160.0120.00379.33
8.1.150.0090.00979.33
8.1.140.0060.01079.33
8.1.130.0050.01079.33
8.1.120.0100.00579.33
8.1.110.0130.00479.33
8.1.100.0130.00479.33
8.1.90.0090.00979.33
8.1.80.0110.00679.33
8.1.70.0110.00579.33
8.1.60.0100.00779.33
8.1.50.0130.00479.33
8.1.40.0180.00079.33
8.1.30.0110.00779.33
8.1.20.0090.00979.33
8.1.10.0130.00479.33
8.1.00.0140.00379.33
8.0.300.0000.00720.16
8.0.290.0110.00679.33
8.0.280.0170.00079.33
8.0.270.0080.00879.33
8.0.260.0130.00379.33
8.0.250.0090.00779.33
8.0.240.0120.00479.33
8.0.230.0110.00679.33
8.0.220.0080.00879.33
8.0.210.0070.01079.33
8.0.200.0180.00479.33
8.0.190.0180.00079.33
8.0.180.0140.00379.33
8.0.170.0080.00879.33
8.0.160.0110.00879.33
8.0.150.0090.00779.33
8.0.140.0130.00379.33
8.0.130.0130.00379.33
8.0.120.0060.01079.33
8.0.110.0130.00079.33
8.0.100.0140.00379.33
8.0.90.0050.01179.33
8.0.80.0120.00479.33
8.0.70.0160.00279.33
8.0.60.0120.00479.33
8.0.50.0130.00379.33
8.0.30.0120.00379.33
8.0.20.0100.00579.33
8.0.10.0120.00379.33

preferences:
67.35 ms | 403 KiB | 5 Q