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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 |
---|---|
314 | * Filter whether to strip metadata from images when they're resized. |
315 | * |
316 | * This filter only applies when resizing using the Imagick editor since GD |
317 | * always strips profiles by default. |
318 | * |
319 | * @since 4.5.0 |
320 | * |
321 | * @param bool $strip_meta Whether to strip image metadata during resizing. Default true. |
322 | */ |
323 | if ( apply_filters( 'image_strip_meta', $strip_meta ) ) { |
324 | $this->strip_meta(); // Fail silently if not supported. |
325 | } |
326 |
|
327 | try { |
328 | /* |
329 | * To be more efficient, resample large images to 5x the destination size before resizing |
330 | * whenever the output size is less that 1/3 of the original image size (1/3^2 ~= .111), |
331 | * unless we would be resampling to a scale smaller than 128x128. |
332 | */ |