memory_get_usage
(PHP 4 >= 4.3.2, PHP 5)
memory_get_usage -- Returns the amount of memory allocated to PHP
Description
int
memory_get_usage ( void )
Returns the amount of memory, in bytes, that's currently being
allocated to your PHP script.
memory_get_usage() will only be defined if your PHP
is compiled with the --enable-memory-limit
configuration option.
Пример 1. A memory_get_usage() example
<?php
// This is only an example, the numbers below will
// differ depending on your system
echo memory_get_usage() . "\n"; // 36640
$a = str_repeat("Hello", 4242);
echo memory_get_usage() . "\n"; // 57960
unset($a);
echo memory_get_usage() . "\n"; // 36744
?>
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See also
memory_limit.