3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = ['a' => 1]; $a2 = ['a' => 1]; var_dump($a1 === $a2)

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)
7.2.40.0100.01017.30
7.2.30.0070.01417.27
7.2.20.0150.00817.79
7.2.10.0150.01317.75
7.2.00.0140.00817.60
7.1.160.0130.00716.29
7.1.150.0110.01216.41
7.1.140.0150.01016.51
7.1.130.0060.01316.58
7.1.120.0120.01316.27
7.1.110.0110.01215.93
7.1.100.0080.01116.26
7.1.90.0060.01215.88
7.1.80.0110.00915.56
7.1.70.0070.01015.26
7.1.60.0280.00933.28
7.1.50.4070.01432.55
7.1.40.5960.01332.49
7.1.30.6330.01532.24
7.1.20.7150.01232.59
7.1.10.6280.00814.45
7.1.00.7070.00814.57

preferences:
141.39 ms | 1398 KiB | 7 Q