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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 |
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276 | $posts_columns['tags'] = __( 'Tags' ); |
277 |
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278 | $post_status = !empty( $_REQUEST['post_status'] ) ? $_REQUEST['post_status'] : 'all'; |
279 | if ( post_type_supports( $post_type, 'comments' ) && !in_array( $post_status, array( 'pending', 'draft', 'future' ) ) ) |
280 | $posts_columns['comments'] = '<span class="vers"><img alt="' . esc_attr__( 'Comments' ) . '" src="' . esc_url( admin_url( 'images/comment-grey-bubble.png' ) ) . '" /></span>'; |
281 |
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282 | $posts_columns['date'] = __( 'Date' ); |
283 |
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284 | if ( 'page' == $post_type ) |
285 | $posts_columns = apply_filters( 'manage_pages_columns', $posts_columns ); |
286 | else |
287 | $posts_columns = apply_filters( 'manage_posts_columns', $posts_columns, $post_type ); |
288 | $posts_columns = apply_filters( "manage_{$post_type}_posts_columns", $posts_columns ); |
289 |
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290 | return $posts_columns; |
291 | } |
292 |
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293 | function get_sortable_columns() { |
294 | return array( |