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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 |
---|---|
5117 | /** |
5118 | * Filters whether the post slug would be bad as a flat slug. |
5119 | * |
5120 | * @since 3.1.0 |
5121 | * |
5122 | * @param bool $bad_slug Whether the post slug would be bad as a flat slug. |
5123 | * @param string $slug The post slug. |
5124 | * @param string $post_type Post type. |
5125 | */ |
5126 | $is_bad_flat_slug = apply_filters( 'wp_unique_post_slug_is_bad_flat_slug', false, $slug, $post_type ); |
5127 |
|
5128 | if ( $post_name_check |
5129 | || in_array( $slug, $feeds, true ) || 'embed' === $slug |
5130 | || $conflicts_with_date_archive |
5131 | || $is_bad_flat_slug |
5132 | ) { |
5133 | $suffix = 2; |
5134 | do { |
5135 | $alt_post_name = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix"; |