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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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78 | $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>'; |
79 |
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80 | $attributes = ! empty( $item->attr_title ) ? ' title="' . esc_attr( $item->attr_title ) .'"' : ''; |
81 | $attributes .= ! empty( $item->target ) ? ' target="' . esc_attr( $item->target ) .'"' : ''; |
82 | $attributes .= ! empty( $item->xfn ) ? ' rel="' . esc_attr( $item->xfn ) .'"' : ''; |
83 | $attributes .= ! empty( $item->url ) ? ' href="' . esc_attr( $item->url ) .'"' : ''; |
84 |
|
85 | $item_output = $args->before; |
86 | $item_output .= '<a'. $attributes .'>'; |
87 | $item_output .= $args->link_before . apply_filters( 'the_title', $item->title, $item->ID ) . $args->link_after; |
88 | $item_output .= '</a>'; |
89 | $item_output .= $args->after; |
90 |
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91 | $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args ); |
92 | } |
93 |
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94 | /** |
95 | * @see Walker::end_el() |
96 | * @since 3.0.0 |