wp-includes/media.php:4189Determines the maximum upload size allowed in php.ini.
intOne hook fires while wp_max_upload_size() runs, in this order:
Filters the maximum upload size allowed in php.ini.
function wp_max_upload_size() { $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) ); $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) ); /** * Filters the maximum upload size allowed in php.ini. * * @since 2.5.0 * * @param int $size Max upload size limit in bytes. * @param int $u_bytes Maximum upload filesize in bytes. * @param int $p_bytes Maximum size of POST data in bytes. */ return apply_filters( 'upload_size_limit', min( $u_bytes, $p_bytes ), $u_bytes, $p_bytes );}Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/media.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.