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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 |
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852 | * @since 4.4.0 The `$iptc` parameter was added. |
853 | * @since 5.0.0 The `$exif` parameter was added. |
854 | * |
855 | * @param array $meta Image meta data. |
856 | * @param string $file Path to image file. |
857 | * @param int $image_type Type of image, one of the `IMAGETYPE_XXX` constants. |
858 | * @param array $iptc IPTC data. |
859 | * @param array $exif EXIF data. |
860 | */ |
861 | return apply_filters( 'wp_read_image_metadata', $meta, $file, $image_type, $iptc, $exif ); |
862 |
|
863 | } |
864 |
|
865 | /** |
866 | * Validate that file is an image. |
867 | * |
868 | * @since 2.5.0 |
869 | * |
870 | * @param string $path File path to test if valid image. |