apache - Programmatically get path to php -

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i'd similar thing how "fork" video conversion process background, in php? : 

exec("/usr/bin/php ./foo.php > /dev/null 2>&1 &");  // executed in apache

however, run on variety of platforms : machine, php compiled in ~/, windows, several prod servers...

is there way programmatically "/usr/bin/php" part ?

things think of :

  • get current pid, guess executable it
  • in c, first argument path executable, maybe there similar

easiest way make sure php cli binary found in $path environment variable, , use php /path/to/foo.php.

on unix can use /usr/bin/env php execute first php binary found in $path. won't work in windows.

lastly 1 obvious way have location php configurable option, , use user-specified path when appropriate.


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