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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().'<br>'; // 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 A3c9u
Output for 7.2.0
Standard array: 33943008<br>SplFixedArray: 50720392
Output for 7.1.0, 7.1.7 - 7.1.10
Standard array: 33906368<br>SplFixedArray: 50683752
Output for 7.1.5 - 7.1.6
Standard array: 33906544<br>SplFixedArray: 50683928
Output for 7.0.0 - 7.0.20
Standard array: 33906400<br>SplFixedArray: 50683800
Output for 5.3.20 - 5.6.28
Fatal error: Allowed memory size of 67108864 bytes exhausted (tried to allocate 32 bytes) in /in/e0RD3 on line 5
Process exited with code 255.