php wait for exec to finish
PHP exec will wait until the execution of the called program is finished,
before processing the next line,
unless you use & at the end of the string to run the program in background.
php wait for exec to finish
PHP exec will wait until the execution of the called program is finished,
before processing the next line,
unless you use & at the end of the string to run the program in background.
php execute script wait for response
exec('sh somescript.sh');//this will wait for script to finish
exec('sh somescript.sh >/dev/null 2>&1 &'); //this will NOT wait
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