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<?php | |
/* | |
Usage: | |
cache_fragment_output( 'unique-key', 3600, function () { | |
functions_that_do_stuff_live(); | |
these_should_echo(); | |
}); | |
*/ | |
function cache_fragment_output( $key, $ttl, $function ) { | |
$group = 'fragment-cache'; | |
$output = wp_cache_get( $key, $group ); | |
if ( empty($output) ) { | |
ob_start(); | |
call_user_func( $function ); | |
$output = ob_get_clean(); | |
wp_cache_add( $key, $output, $group, $ttl ); | |
} | |
echo $output; | |
} |
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