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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 |
|---|---|
| 327 | * Filters whether to strip metadata from images when they're resized. |
| 328 | * |
| 329 | * This filter only applies when resizing using the Imagick editor since GD |
| 330 | * always strips profiles by default. |
| 331 | * |
| 332 | * @since 4.5.0 |
| 333 | * |
| 334 | * @param bool $strip_meta Whether to strip image metadata during resizing. Default true. |
| 335 | */ |
| 336 | if ( apply_filters( 'image_strip_meta', $strip_meta ) ) { |
| 337 | $this->strip_meta(); // Fail silently if not supported. |
| 338 | } |
| 339 | |
| 340 | try { |
| 341 | /* |
| 342 | * To be more efficient, resample large images to 5x the destination size before resizing |
| 343 | * whenever the output size is less that 1/3 of the original image size (1/3^2 ~= .111), |
| 344 | * unless we would be resampling to a scale smaller than 128x128. |
| 345 | */ |