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 // 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>" );
?> |
Output:
EXIF Headers: Array ( [FileName] => geeksforgeeks.jpg [FileDateTime] => 1580889002 [FileSize] => 17763 [FileType] => 2 [MimeType] => image/jpeg [SectionsFound] => [COMPUTED] => Array ( => width="667" height="184" [Height] => 184 [Width] => 667 [IsColor] => 1 ) )
Example 2:
<?php // Create an Imagick Object $image = new Imagick(
// 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>" );
?> |
Output:
EXIF Headers: Array ( [0] => GeeksforGeeks )
Reference: https://www.php.net/manual/en/function.exif-read-data.php