PHP Passthru The Complete Guide to Return Value Management

the return value of an exec() call is simply the last line output by the function. if this is a blank line then you will not see any ... The following example incorrectly relies on the return value of PDO::exec(), wherein a statement that affected 0 rows results in a call to die(): ... You see, unlike functions such as exec() or passthru(), pcntl_exec ... Previous chapter: Other ways to evaluate pcntl_waitpid()'s return value. Jump ... sudo -u openhab php ./conf/scripts/TempOutside1Latest.php. First don't use the transmformation and set up a rule to log the return value. See ... The optional output parameter is used to return the output of the command to the script. Many commands and programs use their return value to indicate whether ... So if you want the full output, you need to pass a variable as the second argument and it will be filled with the output. exec('swetest -h', $ ... '; // Outputs all the result of shellcommand "ls", and returns ... Name passthru() Synopsis void passthru ( string command [, int ... returns it in a safe format that can be used. For example, you might have a ... xx with php 5 on fedora and I am trying to do the following in php: $last_line = passthru('/root/testme', $retval); echo "
"; echo $retval; Although this is a PHP question and not a perl: The passthru() function allows a second parameter only to store the results of the function call ...