Edit report at https://bugs.php.net/bug.php?id=64314&edit=1

 ID:                 64314
 Comment by:         mail+php at requinix dot net
 Reported by:        ctcrmcou at opm dot gov
 Summary:            imagettfbbox loads wrong fontname if using ../ and
                     underscore in font name
 Status:             Open
 Type:               Bug
 Package:            GD related
 Operating System:   W7
 PHP Version:        Irrelevant
 Block user comment: N
 Private report:     N

 New Comment:

This is quite unusual, to see a filename being treated differently depending 
whether it has an underscore. Can you include a complete, 
hopefully smallish script demonstrating the problem? That way someone (like me) 
can grab a handful of font files and look for the cause.


Previous Comments:
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[2013-02-27 20:28:09] ctcrmcou at opm dot gov

Description:
------------
Assuming a subdirectory named "fonts" contains 30 fonts named font_1.ttf - 
font_30.ttf, calling imagettfbox with a fontname such as "../fonts/font_10.ttf" 
loads incorrect font, the number part is somehow being altered and the wrong 
font is loading.

Somehow the combination of ../ and _ in the finename param are screwing things 
up.  This is not a file/font not found error.  This is the font that loads 
font_13.ttf is actually loading font_14.ttf, or font_28.ttf is loading 
font_10.ttf.  I can only guess the underscore is changing the meaning of the 
number or the number is being converted.

Test script:
---------------
Works:

$box=imagettfbbox(100,0,"fonts/font_10.ttf","some text");

Doesn't work (wrong font loads):

$box=imagettfbbox(100,0,"../fonts/font_10.ttf","some text");

Workaround 1: remove underscore from font names

$box=imagettfbbox(100,0,"../fonts/font10.ttf","some text");

Workaround 2: move app that loads font to higher directory level (no ../ in 
path)

$box=imagettfbbox(100,0,"fonts/font_10.ttf","some text");





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