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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 |
|---|---|
| 2717 | * {@internal Missing Short Description}} |
| 2718 | * |
| 2719 | * @since unknown |
| 2720 | * |
| 2721 | * @return unknown |
| 2722 | */ |
| 2723 | function wp_max_upload_size() { |
| 2724 | $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) ); |
| 2725 | $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) ); |
| 2726 | $bytes = apply_filters( 'upload_size_limit', min($u_bytes, $p_bytes), $u_bytes, $p_bytes ); |
| 2727 | return $bytes; |
| 2728 | } |
| 2729 | |
| 2730 | /** |
| 2731 | * Outputs the form used by the importers to accept the data to be imported |
| 2732 | * |
| 2733 | * @since 2.0 |
| 2734 | * |
| 2735 | * @param string $action The action attribute for the form. |