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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 |
---|---|
318 | * Filters whether to strip metadata from images when they're resized. |
319 | * |
320 | * This filter only applies when resizing using the Imagick editor since GD |
321 | * always strips profiles by default. |
322 | * |
323 | * @since 4.5.0 |
324 | * |
325 | * @param bool $strip_meta Whether to strip image metadata during resizing. Default true. |
326 | */ |
327 | if ( apply_filters( 'image_strip_meta', $strip_meta ) ) { |
328 | $this->strip_meta(); // Fail silently if not supported. |
329 | } |
330 |
|
331 | try { |
332 | /* |
333 | * To be more efficient, resample large images to 5x the destination size before resizing |
334 | * whenever the output size is less that 1/3 of the original image size (1/3^2 ~= .111), |
335 | * unless we would be resampling to a scale smaller than 128x128. |
336 | */ |