How can PHP developers determine the size of a query before deciding whether to cache it in Memcache or a file?

PHP developers can determine the size of a query by calculating the memory usage of the query result. This can be done by using functions like memory_get_usage() before and after executing the query. If the query result is too large, it may be more efficient to cache it in Memcache rather than a file. 

// Calculate memory usage before executing the query
$memoryBefore = memory_get_usage();

// Execute the query
$result = // Execute query here

// Calculate memory usage after executing the query
$memoryAfter = memory_get_usage();
$memoryUsed = $memoryAfter - $memoryBefore;

// Check if the memory used is too large, then decide whether to cache in Memcache or a file
if ($memoryUsed > $threshold) {
    // Cache in Memcache
} else {
    // Cache in a file
}

Keywords

PHP query size Memcache caching file size

Related Questions