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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 |
|---|---|
| 211 | |
| 212 | /** |
| 213 | * Filter an enqueued style's fully-qualified URL. |
| 214 | * |
| 215 | * @since 2.6.0 |
| 216 | * |
| 217 | * @param string $src The source URL of the enqueued style. |
| 218 | * @param string $handle The style's registered handle. |
| 219 | */ |
| 220 | $src = apply_filters( 'style_loader_src', $src, $handle ); |
| 221 | return esc_url( $src ); |
| 222 | } |
| 223 | |
| 224 | /** |
| 225 | * @param string $src |
| 226 | * @return bool |
| 227 | */ |
| 228 | public function in_default_dir($src) { |
| 229 | if ( ! $this->default_dirs ) |