How to make php run a prolog program,The command works when i use on command line but not with php

Question

I am trying to run a program on swi prolog through php. I am running on windows

My command are as follow

 $cmd = "C:\Program Files (x86)\pl\bin\swipl  -f test1.pl -g test " halt;

 exec( $cmd );

nothing happens when i try to run my php code it waits for while and returns to command prompt on windows/system32/exe

but when i execute the same command on cmd line i get the desired out put

C:\Program Files (x86)\pl\bin\swipl  -f test1.pl -g test " halt;

i had been trying it for last two days, any help will be highly appreciated

Thanks in advance for all people who will give it a thought and help me

Answer 1

尝试使用双反斜杠（并在双引号中包括“ halt”）：

$cmd = "C:\\Program Files (x86)\\pl\\bin\\swipl -f test1.pl -g test halt";

Answer 2

Program Files (x86) => progra~2

$cmd = 'C:\\progra~2\\swipl\\bin\\swipl.exe -s C:\\prolog\\web\\base.pl -g test,halt';

it's work for me