Online PHP editor | refs for dbRcT

<?php $ar1 = []; $memNow1 = memory_get_usage(); $tm1 = microtime(true); for ($i1 = 0; $i1 < 25000; $i1++) { $ar1[] = [ 'a' => 1, 'b' => 2, 'c' => 3, 'd' => 4, ]; } echo 'Arrays memory usage: ', (memory_get_usage() - $memNow1) / 1048576, '; time: ', microtime(true) - $tm1, PHP_EOL; class C { public $a, $b, $c, $d; } $ar2 = []; $memNow2 = memory_get_usage(); $tm2 = microtime(true); for ($i2 = 0; $i2 < 25000; $i2++) { $o = new C(); $o->a = 1; $o->b = 2; $o->c = 3; $o->d = 4; $ar2[] = $o; } echo 'Objects memory usage: ', (memory_get_usage() - $memNow2) / 1048576, '; time: ', microtime(true) - $tm2, PHP_EOL;