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Source View: file_is_displayable_image

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Source View

Line Code
343 function file_is_displayable_image($path) {
344      $info = @getimagesize($path);
345      if ( empty($info) )
346           $result = false;
347      elseif ( !in_array($info[2], array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG)) )     // only gif, jpeg and png images can reliably be displayed
348           $result = false;
349      else
350           $result = true;
351
352      return apply_filters('file_is_displayable_image', $result, $path);
353 }
354
355 /**
356  * Load an image resource for editing.
357  *
358  * @since 2.9.0
359  *
360  * @param string $attachment_id Attachment ID.
361  * @param string $mime_type Image mime type.