3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace app; function count($val) { if ( $val === null ) return 0; } echo count(null);

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)
8.4.120.0060.00420.50
8.4.110.0120.00518.99
8.4.100.0080.01217.59
8.4.90.0080.00417.70
8.4.80.0040.00519.39
8.4.70.0140.00817.85
8.4.60.0130.00720.54
8.4.50.0130.00917.77
8.4.40.0070.01417.29
8.4.30.0120.00620.85
8.4.20.0070.01319.70
8.4.10.0080.00019.38
8.3.250.0110.00718.81
8.3.240.0080.01016.42
8.3.230.0130.00716.32
8.3.220.0090.00916.95
8.3.210.0130.00616.47
8.3.200.0040.00516.49
8.3.190.0070.00616.75
8.3.180.0140.00416.55
8.3.170.0130.00316.69
8.3.160.0060.01320.82
8.3.150.0120.00616.50
8.3.140.0060.00618.88
8.3.130.0030.00618.41
8.3.120.0060.00920.54
8.3.110.0150.00318.22
8.3.100.0370.01037.54
8.3.90.0390.00737.54
8.3.80.0430.01037.54
8.3.70.0430.00737.54
8.3.60.0420.01037.54
8.3.50.0510.00837.54
8.3.40.0420.01137.54
8.3.30.0360.00337.54
8.3.20.0370.00637.54
8.3.10.0270.01537.54
8.3.00.0280.01137.54
8.2.290.0070.00816.53
8.2.280.0060.00318.22
8.2.270.0090.00916.59
8.2.260.0130.00316.31
8.2.250.0060.00318.32
8.2.240.0150.00016.35
8.2.230.0030.00620.94
8.2.220.0090.01337.54
8.2.210.0270.00737.54
8.2.200.0310.00937.54
8.2.190.0250.00337.54
8.2.180.0170.00337.54
8.2.170.0180.00337.54
8.2.160.0180.00337.54
8.2.150.0260.00737.54
8.2.140.0400.00337.54
8.2.130.0410.00337.54
8.2.120.0380.00637.54
8.2.110.0340.01037.54
8.2.100.0250.01737.54
8.2.90.0390.00637.54
8.2.80.0350.01037.54
8.2.70.0300.00437.54
8.2.60.0120.00837.54
8.2.50.0100.01037.54
8.2.40.0140.00437.54
8.2.30.0300.00337.54
8.2.20.0340.00737.54
8.2.10.0330.01137.54
8.2.00.0260.01737.54
8.1.330.0110.00816.21
8.1.320.0110.00915.81
8.1.310.0030.00716.11
8.1.300.0040.00416.01
8.1.290.0310.01437.54
8.1.280.0320.00937.54
8.1.270.0350.00337.54
8.1.260.0180.00437.54
8.1.250.0120.00837.54
8.1.240.0170.01437.54
8.1.230.0120.00637.54
8.1.220.0170.00037.54
8.1.210.0210.00837.54
8.1.200.0320.00437.54
8.1.190.0220.00437.54
8.1.180.0130.00337.54
8.1.170.0340.00337.54
8.1.160.0120.00637.54
8.1.150.0310.00737.54
8.1.140.0340.00337.54
8.1.130.0220.00937.54
8.1.120.0370.00337.54
8.1.110.0320.00337.54
8.1.100.0290.00737.54
8.1.90.0250.00737.54
8.1.80.0360.00037.54
8.1.70.0230.00437.54
8.1.60.0270.00037.54
8.1.50.0200.00037.54
8.1.40.0200.00037.54
8.1.30.0100.01037.54
8.1.20.0140.00937.54
8.1.10.0170.00237.54
8.1.00.0360.00337.54

preferences:
28.83 ms | 403 KiB | 5 Q