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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 |
---|---|
344 | * @since 2.6.0 |
345 | * |
346 | * @param string $html HTML content for the image. |
347 | * @param int $id Attachment ID. |
348 | * @param string $alt Alternate text. |
349 | * @param string $title Attachment title. |
350 | * @param string $align Part of the class name for aligning the image. |
351 | * @param string $size Optional. Default is 'medium'. |
352 | */ |
353 | return apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size ); |
354 | } |
355 |
|
356 | /** |
357 | * Calculates the new dimensions for a down-sampled image. |
358 | * |
359 | * If either width or height are empty, no constraint is applied on |
360 | * that dimension. |
361 | * |
362 | * @since 2.5.0 |