3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = <<<TEXT ir fsncif wcovcp fwfa abierpmz hbwf rif irctz ifchj bdrnv afwrmnvcricufe nivcm iffemfttmz baabihfe afwfatfe rivr nt irx er b iffegnm efgz erxi fboj tfoafv fba ani vcm zrn rxi nt TEXT; var_export( strtolower(strtr( $text, 'fiemtzrwahbpxnscjvduogql', strtoupper('endlsyovrgamwuqihtbzcfpk') )) );

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)
8.1.20.0050.00317.54
8.1.10.0070.00517.47
8.1.00.0120.00817.37
8.0.140.0140.00516.83
8.0.130.0200.00016.62
8.0.120.0150.00316.74
8.0.110.0150.00416.85
8.0.100.0150.00516.85
8.0.90.0160.00516.80
8.0.80.0150.00416.88
8.0.70.0100.01116.78
8.0.60.0090.01116.80
8.0.50.0170.00416.69
8.0.30.0140.00316.85
8.0.20.0120.00816.86
8.0.10.0160.00416.93
8.0.00.0090.00316.94
7.4.270.0070.00016.30
7.4.260.0180.00416.46
7.4.250.0170.00516.51
7.4.240.0210.00016.50
7.4.230.0160.00716.54
7.4.220.0160.00316.34
7.4.210.0180.00016.48
7.4.200.0100.01016.45
7.4.190.0110.00816.43
7.4.180.0190.00016.39
7.4.160.0140.00516.45
7.4.150.0150.00616.42
7.4.140.0090.00916.38
7.4.130.0100.01016.30
7.4.120.0100.01016.23
7.4.110.0110.00316.31
7.4.100.0070.00716.46
7.4.90.0110.00016.36
7.4.80.0110.00316.32
7.4.70.0160.00316.36
7.4.60.0150.00316.30
7.4.50.0170.00316.23
7.4.40.0100.00816.28
7.4.30.0130.00616.32
7.4.20.0160.00416.29
7.4.10.0180.00016.29
7.4.00.0090.00916.23
7.3.330.0190.00416.09
7.3.320.0210.00316.23
7.3.310.0130.00816.25
7.3.300.0170.00316.05
7.3.290.0160.00316.11
7.3.280.0160.00416.18
7.3.270.0130.00716.15
7.3.260.0070.00816.30
7.3.250.0200.00016.12
7.3.240.0100.01016.31
7.3.230.0140.00616.07
7.3.220.0170.00416.20
7.3.210.0160.00315.94
7.3.200.0140.00716.15
7.3.190.0140.00716.04
7.3.180.0140.00715.94
7.3.170.0170.00316.03
7.3.160.0140.00515.94
7.3.150.0130.00716.00
7.3.140.0170.00216.27
7.3.130.0170.00315.89

preferences:
26.25 ms | 455 KiB | 5 Q