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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 |
|---|---|
| 112 | 'height' => 248, |
| 113 | 'width' => 248, |
| 114 | 'flex-height' => true, |
| 115 | ) ); |
| 116 | |
| 117 | $color_scheme = twentyfifteen_get_color_scheme(); |
| 118 | $default_color = trim( $color_scheme[0], '#' ); |
| 119 | |
| 120 | // Setup the WordPress core custom background feature. |
| 121 | add_theme_support( 'custom-background', apply_filters( 'twentyfifteen_custom_background_args', array( |
| 122 | 'default-color' => $default_color, |
| 123 | 'default-attachment' => 'fixed', |
| 124 | ) ) ); |
| 125 | |
| 126 | /* |
| 127 | * This theme styles the visual editor to resemble the theme style, |
| 128 | * specifically font, colors, icons, and column width. |
| 129 | */ |
| 130 | add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', twentyfifteen_fonts_url() ) ); |