Shared library not being loaded when php exec() is called -


i triggering executable using php

$commstr = '/abs/path/to/binary > status.txt &'; echo "running command: ".$commstr."\n"; shell_exec($commstr);

php exec() or matter system() or shell_exec() works fine because status.txt gets written to, cat status.txt says error while loading shared libraries: libqtcore.so.4: cannot open shared object file: no such file or directory. means binary doesn't executed

i tried changing php code following without luck

$commstr = 'export ld_library_path=/path/to/lib ; /abs/path/to/binary > status.txt &';

the binary readable user apache , libraries.

try running command sudo.

for example 

$commstr = 'sudo export ld_library_path=/path/to/lib ; /abs/path/to/binary > status.txt &';

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