PHP | exif_read_data() Function
Last Updated :
19 Feb, 2020
The
exif_read_data() function is an inbuilt function in PHP which is used to read the EXIF headers from an image file.
Syntax:
array exif_read_data( mixed $stream, string $sections,
bool $arrays, bool $thumbnail )
Parameters: This function accepts four parameters as mentioned above and described below:
- $stream: It specifies the image file.
- $sections (Optional): It specifies the comma separated list of sections.
- $arrays (Optional): It specifies whether not to present each section as array.
- $thumbnail (Optional): It specifies whether to read thumbnail or not.
Return Value: This function returns an associative array on success or FALSE on failure.
Below examples illustrate the
exif_read_data() function in PHP:
Example 1:
php
<?php
// Open a the file from local folder
$fp = fopen('./geeksforgeeks.jpg', 'rb');
// Read the exif headers
$headers = exif_read_data($fp);
// Print the headers
echo 'EXIF Headers:' . '<br>';
print("<pre>".print_r($headers, true)."</pre>");
?>
EXIF Headers:
Array
(
[FileName] => geeksforgeeks.jpg
[FileDateTime] => 1580889002
[FileSize] => 17763
[FileType] => 2
[MimeType] => image/jpeg
[SectionsFound] =>
[COMPUTED] => Array
(
[html][/html] => width="667" height="184"
[Height] => 184
[Width] => 667
[IsColor] => 1
)
)
Example 2:
php
<?php
// Create an Imagick Object
$image = new Imagick(
'https://media.geeksforgeeks.org/wp-content/uploads/20200123100652/geeksforgeeks12.jpg');
// Add comment to the image
$image->commentImage("GeeksforGeeks");
// Save the file to local image
$image->writeImage('geeksforgeeks.jpg');
// Open a the same file
$fp = fopen('./geeksforgeeks.jpg', 'rb');
// Read the exif headers
$headers = exif_read_data($fp, 'COMMENT', true, true);
// Print the headers
echo 'EXIF Headers:' . '<br>';
print("<pre>".print_r($headers['COMMENT'], true)."</pre>");
?>
EXIF Headers:
Array
(
[0] => GeeksforGeeks
)
Reference: https://www.php.net/manual/en/function.exif-read-data.php