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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 |
---|---|
2839 | * {@internal Missing Short Description}} |
2840 | * |
2841 | * @since unknown |
2842 | * |
2843 | * @return unknown |
2844 | */ |
2845 | function wp_max_upload_size() { |
2846 | $u_bytes = wp_convert_hr_to_bytes( ini_get( 'upload_max_filesize' ) ); |
2847 | $p_bytes = wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) ); |
2848 | $bytes = apply_filters( 'upload_size_limit', min($u_bytes, $p_bytes), $u_bytes, $p_bytes ); |
2849 | return $bytes; |
2850 | } |
2851 |
|
2852 | /** |
2853 | * Outputs the form used by the importers to accept the data to be imported |
2854 | * |
2855 | * @since 2.0 |
2856 | * |
2857 | * @param string $action The action attribute for the form. |