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run code in 300+ PHP versions simultaneously
<?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 $SplFixedArray = new SplFixedArray(1024 * 1024); // array(); for ($i = 0; $i < 1024 * 1024; ++$i) $SplFixedArray[$i] = 0; echo 'SplFixedArray: '.memory_get_peak_usage();
Output for 8.3.0 - 8.3.4, 8.3.6
SplFixedArray: 17164800
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 SplFixedArray: 17164800
Output for 8.2.0 - 8.2.18
SplFixedArray: 17164784
Output for 8.1.4 - 8.1.28
SplFixedArray: 17165096
Output for 8.1.0 - 8.1.3
SplFixedArray: 17165080
Output for 8.0.17 - 8.0.30
SplFixedArray: 17164408
Output for 8.0.0 - 8.0.16
SplFixedArray: 17164392
Output for 7.4.0 - 7.4.33
SplFixedArray: 17164712
Output for 7.3.16 - 7.3.33
SplFixedArray: 17164616
Output for 7.2.29 - 7.2.33
SplFixedArray: 17160640
Output for 7.2.0 - 7.2.6
SplFixedArray: 17160680
Output for 7.1.0, 7.1.7 - 7.1.20
SplFixedArray: 17124008
Output for 7.1.5 - 7.1.6
SplFixedArray: 17124176
Output for 7.0.0 - 7.0.20
SplFixedArray: 17124040
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
SplFixedArray: 58938624
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186.92 ms | 402 KiB | 183 Q