libpng16.16.dylib load error when executing PHP CLI with "exec" from PHP file

Question

I am running PHP 5.5 on Mac OS X Yosemite. PHP 5.5 is installed with Homebrew.

I have a .php script that has to be executed asynchronously (from CLI). If I execute it from terminal, it works fine. However, if I execute it within my PHP application it does not work.

Code that launches the script (run by Apache) is:

// 1.- Alter path so that Homebrew PHP is launched
putenv("PATH=/usr/local/bin:" . getenv("PATH"));

// 2.- Exec PHP script in background
exec("php /path/to/my/file/script.php > /dev/null &");

I get the following error:

Library not loaded: /usr/local/lib/libpng16.16.dylib
  Referenced from: /usr/local/bin/php
  Reason: no suitable image found.  Did find:
    /usr/local/lib/libpng16.16.dylib: stat() failed with errno=13
    /usr/local/lib/libpng16.16.dylib: stat() failed with errno=13

Any clues?

I already tried solution in dyld: Library not loaded: /usr/local/lib/libpng16.16.dylib with anything php related with no luck

Which permissions are needed? libpng16.16.dylib permissions are r--r--r--, so I can't see the difference between executing from Terminal and within PHP file (though, obviously, there must be a difference). — German Latorre, Dec 02 '14 at 23:41
Permissions are `rwx------` (!!!) THANK YOU! I must be blind or something, :-) I changed `/usr/local/lib` permissions to `rwxr-xr-x` and works like a charm — German Latorre, Dec 03 '14 at 09:30
By the way, if you create an answer for this, I'll be pleased to vote it up and accept it. — German Latorre, Dec 03 '14 at 09:31

score 2 · Accepted Answer · answered Dec 03 '14 at 18:55

2

The stat() failed with errno=13 indicates that there is a permissions error. The .dylib file should have read permissions, and the directories it is contained within should have the executable (x) bit set as well. (I think the read [r] bit should be set, too, but I'm not 100% sure.)

answered Dec 03 '14 at 18:55

mipadi

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Permissions in `/usr/local/bin` were `rwx------`. I changed them to `rwxr-xr-x` and works like a charm. – German Latorre Dec 03 '14 at 22:24

libpng16.16.dylib load error when executing PHP CLI with "exec" from PHP file

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