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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 |
---|---|
388 | * |
389 | * @param string $html HTML content for the image. |
390 | * @param int $id Attachment ID. |
391 | * @param string $alt Alternate text. |
392 | * @param string $title Attachment title. |
393 | * @param string $align Part of the class name for aligning the image. |
394 | * @param string|array $size Size of image. Image size or array of width and height values (in that order). |
395 | * Default 'medium'. |
396 | */ |
397 | return apply_filters( 'get_image_tag', $html, $id, $alt, $title, $align, $size ); |
398 | } |
399 |
|
400 | /** |
401 | * Calculates the new dimensions for a down-sampled image. |
402 | * |
403 | * If either width or height are empty, no constraint is applied on |
404 | * that dimension. |
405 | * |
406 | * @since 2.5.0 |