Programming Exercises

$1.$ You need to open the file orders.txt for writing. Modify the following code, specifically the two placeholders, to accomplish your goal.

click here to view code image

$fp $=("$$document$\_$root$/../$orders$/$orders$.$txt$",\text{'}\text{'})$;

$2.$ Use the PHP fwrite function to write the string stored in $outputstring to the file pointed to by $ fp$.$

Use PHP to close the file $ fp programmatically.

$4.$ You need to use a PHP while loop to read from a file until the end of the file is reached. Modify the following code to accomplish your goal.

while $(!($$$fp))$

Use PHP to echo the size of the file orders.txt that's present in your current working directory.

Only questions $1,2,$ and $4.($PHP$)$