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 ( [bool real_usage] )
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.
Parameters
real_usage
Set this to TRUE to get the real size of memory allocated from
system. If not set or FALSE only the memory used by
emalloc() is reported.
Return Values
Returns the memory amount in bytes.
Examples
Example 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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