PHP exec() not working

Question

I need to execute this below code

E:\xampp\htdocs\acm\upload\P0005\A0020>pdflatex.exe demo

in php. I used the below coding

shell_exec("cmd pdflatex.exe upload/P0005/A0020/ demo");

But its not working .. How can i execute in php?

Why do you expect it to work? Do you know what a command is? Where is the binary placed? Why don't you use the exact same command? What's the reason of writing it differently if you want to do the same? — hakre
– hakre, Commented May 31, 2012 at 9:31

Manse · Accepted Answer · 2012-05-31 07:40:00Z

3

You need to include the full paths :

shell_exec("cmd E:\\xampp\\htdocs\\acm\\upload\\P0005\\A0020\\pdflatex.exe E:\\xampp\\htdocs\\acm\\upload\\P0005\\A0020\\ demo");

or

shell_exec("cmd E:\\xampp\\htdocs\\acm\\upload\\P0005\\A0020\\pdflatex.exe demo");

the second example matches the first command in your question - the double backslash (\\) is used to print a \ character - the first is \ is to escape the second

answered May 31, 2012 at 7:40

Manse

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5 Comments

Rockstar Over a year ago

i tried that one.. but its not working.. please check this image daytimeprofits.com/images/cmd.jpg . i need to execute the same in exec or shell_exec command in php

Manse Over a year ago

@DipenBaskaran which one did you try ? i suggest the second is probably the more correct one

Rockstar Over a year ago

Second one i tried. When i execute the same one in command prompt its working. but in php its not working . Please check this one daytimeprofits.com/images/cmd.jpg

Manse Over a year ago

@DipenBaskaran try removing the cmd

Manse Over a year ago

Are you running in safe mode ?

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