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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 |
---|---|
850 | /** |
851 | * Filters the maximum allowed upload size for import files. |
852 | * |
853 | * @since 2.3.0 |
854 | * |
855 | * @see wp_max_upload_size() |
856 | * |
857 | * @param int $max_upload_size Allowed upload size. Default 1 MB. |
858 | */ |
859 | $bytes = apply_filters( 'import_upload_size_limit', wp_max_upload_size() ); |
860 | $size = size_format( $bytes ); |
861 | $upload_dir = wp_upload_dir(); |
862 | if ( ! empty( $upload_dir['error'] ) ) : |
863 | ?><div class="error"><p><?php _e('Before you can upload your import file, you will need to fix the following error:'); ?></p> |
864 | <p><strong><?php echo $upload_dir['error']; ?></strong></p></div><?php |
865 | else : |
866 | ?> |
867 | <form enctype="multipart/form-data" id="import-upload-form" method="post" class="wp-upload-form" action="<?php echo esc_url( wp_nonce_url( $action, 'import-upload' ) ); ?>"> |
868 | <p> |