Code:

echo shell_exec('convert --version')."\n";
echo 'which convert => '.exec('which convert')."\n";
echo 'ls -l /usr/bin/convert =>'.exec('ls -l /usr/bin/convert')."\n";
echo 'is_executable => ' .is_executable('/usr/bin/convert') ."\n";
echo '!is_executable => ' . !is_executable('/usr/bin/convert') ."\n\n";
echo date(DATE_RFC2822);

Result:

Version: ImageMagick 6.9.7-4 Q16 x86_64 20170114 http://www.imagemagick.org
Copyright: © 1999-2017 ImageMagick Studio LLC
License: http://www.imagemagick.org/script/license.php
Features: Cipher DPC Modules OpenMP 
Delegates (built-in): bzlib djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo png tiff wmf x xml zlib

which convert => /usr/bin/convert
ls -l /usr/bin/convert => lrwxrwxrwx 1 root root 25 Dec  4  2020 /usr/bin/convert -> /etc/alternatives/convert
is_executable => 
!is_executable => 1

Wed, 02 Oct 2024 02:28:30 +0000