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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 927 | * |
| 928 | * The dynamic portion of the hook name, `$name`, refers to the key name |
| 929 | * of the modification array. For example, 'header_textcolor', 'header_image', |
| 930 | * and so on depending on the theme options. |
| 931 | * |
| 932 | * @since 2.2.0 |
| 933 | * |
| 934 | * @param string $current_mod The value of the current theme modification. |
| 935 | */ |
| 936 | return apply_filters( "theme_mod_{$name}", $mods[ $name ] ); |
| 937 | } |
| 938 | |
| 939 | if ( is_string( $default ) ) { |
| 940 | // Only run the replacement if an sprintf() string format pattern was found. |
| 941 | if ( preg_match( '#(?<!%)%(?:\d+\$?)?s#', $default ) ) { |
| 942 | $default = sprintf( $default, get_template_directory_uri(), get_stylesheet_directory_uri() ); |
| 943 | } |
| 944 | } |
| 945 | |
| 946 | /** This filter is documented in wp-includes/theme.php */ |
| 947 | return apply_filters( "theme_mod_{$name}", $default ); |
| 948 | } |
| 949 | |
| 950 | /** |
| 951 | * Update theme modification value for the current theme. |
| 952 | * |
| 953 | * @since 2.1.0 |
| 954 | * |
| 955 | * @param string $name Theme modification name. |
| 956 | * @param mixed $value Theme modification value. |