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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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345 |
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346 | /** |
347 | * Filters an enqueued style's fully-qualified URL. |
348 | * |
349 | * @since 2.6.0 |
350 | * |
351 | * @param string $src The source URL of the enqueued style. |
352 | * @param string $handle The style's registered handle. |
353 | */ |
354 | $src = apply_filters( 'style_loader_src', $src, $handle ); |
355 | return esc_url( $src ); |
356 | } |
357 |
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358 | /** |
359 | * Whether a handle's source is in a default directory. |
360 | * |
361 | * @since 2.8.0 |
362 | * @access public |
363 | * |