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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2635 | * {@internal Missing Short Description}} |
| 2636 | * |
| 2637 | * @since unknown |
| 2638 | * |
| 2639 | * @return unknown |
| 2640 | */ |
| 2641 | function wp_max_upload_size() { |
| 2642 | $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) ); |
| 2643 | $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) ); |
| 2644 | $bytes = apply_filters( 'upload_size_limit', min($u_bytes, $p_bytes), $u_bytes, $p_bytes ); |
| 2645 | return $bytes; |
| 2646 | } |
| 2647 | |
| 2648 | /** |
| 2649 | * {@internal Missing Short Description}} |
| 2650 | * |
| 2651 | * @since unknown |
| 2652 | * |
| 2653 | * @param unknown_type $action |