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Basic example on using memtrack extension:

Пример #1 Creating large array in a function


<?php

/* /tmp/example1.php */

function foo() {
    $a = array();
    for ($i = 0; $i < 10000; $i++) $a[] = "test";
    return $a;
}
$arr = foo();

?>

Run the example with the following command:

php -d memtrack.enabled=1 -d memtrack.soft_limit=1M -d memtrack.vm_limit=3M /tmp/example1.php

Результатом выполнения данного примера будет что-то подобное:

Warning: [memtrack] [pid 26177] user function foo() executed in /tmp/example1.php on line 10 allocated 4194304 bytes in /tmp/example1.php on line 0
Warning: [memtrack] [pid 26177] virtual memory usage on shutdown: 32911360 bytes in Unknown on line 0