3v4l.org

run code in 300+ PHP versions simultaneously
<?php $now = DateTime::createFromFormat('U.u', number_format(microtime(true), 6, '.', ''))->setTimezone(new \DateTimeZone(date(''))); echo $now->format("Ymd H:i:s");

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)
7.4.00.0090.00915.38
7.3.120.0100.00715.02
7.3.110.0040.01414.93
7.3.100.0090.00315.09
7.3.90.0030.00714.99
7.3.80.0060.00615.07
7.3.70.0090.00314.69
7.3.60.0030.00814.86
7.3.50.0090.00615.23
7.3.40.0000.01515.00
7.3.30.0090.00015.05
7.3.20.0060.01016.88
7.3.10.0060.01016.63
7.3.00.0040.00916.69
7.2.250.0040.01215.55
7.2.240.0100.00615.43
7.2.230.0100.00715.28
7.2.220.0060.00315.11
7.2.210.0040.01115.20
7.2.200.0000.01215.36
7.2.190.0060.00915.18
7.2.180.0150.00315.25
7.2.170.0120.00315.25
7.2.130.0100.00317.11
7.2.120.0100.00717.09
7.2.110.0000.01216.76
7.2.100.0070.00516.75
7.2.90.0030.01316.72
7.2.80.0170.00316.77
7.2.70.0100.00716.54
7.2.60.0050.00717.01
7.2.50.0110.00416.99
7.2.40.0110.00717.06
7.2.30.0170.00416.82
7.2.20.0060.00616.87
7.2.10.0040.01516.89
7.2.00.0110.00718.31
7.1.330.0030.01016.09
7.1.320.0040.00915.89
7.1.310.0070.00716.19
7.1.300.0060.01015.81
7.1.290.0060.00916.05
7.1.280.0080.00815.76
7.1.270.0110.00315.68
7.1.260.0100.00315.93
7.1.250.0050.01115.70
7.1.100.0070.01018.43
7.1.70.0550.00416.27
7.1.60.0630.00716.27
7.1.50.0490.00416.27
7.1.40.0540.01016.27
7.1.30.0440.01416.27
7.1.20.0490.01016.27
7.1.10.0580.00016.27
7.1.00.0480.00616.27
7.0.200.0440.00316.27
7.0.190.0410.00916.27
7.0.180.0470.00716.27
7.0.170.0600.00716.27
7.0.160.0530.00716.27
7.0.150.0480.01216.27
7.0.140.0440.01016.27
7.0.130.0470.00616.27
7.0.120.0510.01216.27
7.0.110.0490.01016.27
7.0.100.0450.01016.27
7.0.90.0470.00916.27
7.0.80.3390.00316.27
7.0.70.0750.00416.27
7.0.60.0800.00316.27
7.0.50.0790.00716.27
7.0.40.0080.00416.27
7.0.30.0090.00616.27
7.0.20.0100.00316.27
7.0.10.0070.00716.27
7.0.00.0000.01216.27

preferences:
31.75 ms | 401 KiB | 5 Q