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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 |
|---|---|
| 74 | return $r; |
| 75 | } |
| 76 | |
| 77 | function _css_href( $src, $ver, $handle ) { |
| 78 | if ( !preg_match('|^https?://|', $src) && !preg_match('|^' . preg_quote(WP_CONTENT_URL) . '|', $src) ) { |
| 79 | $src = $this->base_url . $src; |
| 80 | } |
| 81 | |
| 82 | $src = add_query_arg('ver', $ver, $src); |
| 83 | $src = apply_filters( 'style_loader_src', $src, $handle ); |
| 84 | return clean_url( $src ); |
| 85 | } |
| 86 | |
| 87 | } |
| 88 | |