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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 |
---|---|
3112 | /** |
3113 | * Modify returned attachment counts by mime type. |
3114 | * |
3115 | * @since 3.7.0 |
3116 | * |
3117 | * @param stdClass $counts An object containing the attachment counts by |
3118 | * mime type. |
3119 | * @param string|string[] $mime_type Array or comma-separated list of MIME patterns. |
3120 | */ |
3121 | return apply_filters( 'wp_count_attachments', (object) $counts, $mime_type ); |
3122 | } |
3123 |
|
3124 | /** |
3125 | * Get default post mime types. |
3126 | * |
3127 | * @since 2.9.0 |
3128 | * @since 5.3.0 Added the 'Documents', 'Spreadsheets', and 'Archives' mime type groups. |
3129 | * |
3130 | * @return array List of post mime types. |