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<exif_read_dataexif_thumbnail>
^Exif FunctionsLast updated: Mon, 26 Oct 2026

exif_tagname

(PHP 4 >= 4.2.0, PHP 5, PHP 7, PHP 8)

exif_tagname — Get the header name for an index

Description

function exif_tagname(int $index): string|false

Parameters

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() 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_read_dataexif_thumbnail>
^Exif FunctionsLast updated: Mon, 26 Oct 2026