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Languages :: PHP :: Fatal error: Call to undefined function: exif_read_data()
By: michi001	Date: 21/05/2003 00:00:00	Points: 50	Status: Answered Quality : Excellent
Hi, php_exif.dll I got instaled just on some servers and I need to go over this error on that where it is not installed. - I need to get know, that it's not loaded to do not use it - or silently handle and continue running (?) or something like that - easiest best :) thank you very much Michal
By: VGR	Date: 21/05/2003 03:28:00		Type : Answer
ok What is the best : get phpinfo(); result and parse to see whether GD is installed, if you are on windows, and if the version is >=4.2.0 8-))) You cuold even know if --enable-exif. was enabled at PHP compile time (reference : <A HREF="http://www.php.net/manual/en/function.exif-read-data.php">http://www.php.net/manual/en/function.exif-read-data.php</a> ) What I recommend : calling an inucuous exif function with the @ operator : this way you'll silently get notices and warnings alike in the result value, given no fatal error arises (hence the "inocuous") Given exif_imagetype doesn't require GD, I suggest to use @exif_imagetype(filename) and if ever you get no data (FALSE returned), then presume exif_read_data shouldn't be called :D OK, given the exif_read_data is located in GD or it's own library, but Last, if you are on Zindoze, please RTFM this : "koliber at supermedia dot pl 17-Sep-2002 09:53 If you installed PHP by Windows installer you will have problems with tis function. exif_read_data is NOT included in gd library. It's in exif library. So if you want to read EXIF data you must load this library like this: dl ("php_exif.dll"); "

By: michi001	Date: 21/05/2003 03:43:00		Type : Comment
I finaly found best this: if(extension_loaded("exif")) $exif = exif_read_data($bigpicture,'EXIF',true); else $exif = false; :-)) bye bye

By: VGR	Date: 21/05/2003 03:57:00		Type : Comment
good.

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