Question

How to allocate 1MB in PHP

Answer 1

$memStart = memory_get_usage();
// Allocates 1 MB = 1,048,576 bytes // creates a string of 1MB by repeating the character '0'
$s = str_repeat('0', 1024 * 1024);
$memEnd = memory_get_usage();

echo $memEnd - $memStart, PHP_EOL;



/*
run:

1052672

*/

 

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