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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 |
|---|---|
| 719 | |
| 720 | // Set correct file permissions. |
| 721 | $stat = stat( dirname( $filename ) ); |
| 722 | $perms = $stat['mode'] & 0000666; // Same permissions as parent folder, strip off the executable bits. |
| 723 | chmod( $filename, $perms ); |
| 724 | |
| 725 | return array( |
| 726 | 'path' => $filename, |
| 727 | /** This filter is documented in wp-includes/class-wp-image-editor-gd.php */ |
| 728 | 'file' => wp_basename( apply_filters( 'image_make_intermediate_size', $filename ) ), |
| 729 | 'width' => $this->size['width'], |
| 730 | 'height' => $this->size['height'], |
| 731 | 'mime-type' => $mime_type, |
| 732 | 'filesize' => wp_filesize( $filename ), |
| 733 | ); |
| 734 | } |
| 735 | |
| 736 | /** |
| 737 | * Writes an image to a file or stream. |