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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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83 |
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84 | if ( 'post_tag' === $taxonomy ) { |
85 | /** |
86 | * Filters the number of terms displayed per page for the Tags list table. |
87 | * |
88 | * @since 2.8.0 |
89 | * |
90 | * @param int $tags_per_page Number of tags to be displayed. Default 20. |
91 | */ |
92 | $tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page ); |
93 |
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94 | /** |
95 | * Filters the number of terms displayed per page for the Tags list table. |
96 | * |
97 | * @since 2.7.0 |
98 | * @deprecated 2.8.0 Use {@see 'edit_tags_per_page'} instead. |
99 | * |
100 | * @param int $tags_per_page Number of tags to be displayed. Default 20. |
101 | */ |