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run code in 200+ php & hhvm versions
Bugs & Features
<?php // 标准array $array = array(1024 * 1024); // array(); for ($i = 0; $i < 1024 * 1024; ++$i) $array[$i] = 0; echo 'Standard array: '.memory_get_peak_usage(); // spl $array = new SplFixedArray(1024 * 1024); // array(); for ($i = 0; $i < 1024 * 1024; ++$i) $array[$i] = 0; echo 'SplFixedArray: '.memory_get_peak_usage();
based on v6Wvn
Output for 7.2.0
Standard array: 33942848SplFixedArray: 50720232
Output for 7.1.0, 7.1.7 - 7.1.10
Standard array: 33906208SplFixedArray: 50683592
Output for 7.1.5 - 7.1.6
Standard array: 33906384SplFixedArray: 50683768
Output for 7.0.0 - 7.0.20
Standard array: 33906240SplFixedArray: 50683640
Output for 5.3.20 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/pFSql on line 5
Process exited with code 255.