php man page for exif_tagname

EXIF_TAGNAME(3) 							 1							   EXIF_TAGNAME(3)

exif_tagname - Get the header name for an index

SYNOPSIS
       string exif_tagname (int  $index)

DESCRIPTION
PARAMETERS
	      o $index
		- The Tag ID for which a Tag Name will be looked up.

RETURN VALUES
	Returns the header name, or FALSE if $index is not a defined EXIF tag id.

EXAMPLES
       Example #1

	      exif_tagname(3) example

	      <?php
	      echo "256: ".exif_tagname(256).PHP_EOL;
	      echo "257: ".exif_tagname(257).PHP_EOL;
	      ?>

	      The above example will output:

	      256: ImageWidth
	      257: ImageLength

SEE ALSO
       exif_imagetype(3), EXIF Specification, EXIF Tags.

PHP Documentation Group 													   EXIF_TAGNAME(3)