fwrite到文档和fgets从它

Question

Info: I am trying to read and write to a file at the same time, but if i have r+ it will only write and if i only have r it will only read, but i need it do both so it can get the info into the document and the info out of it to a cmd window.

Question: Is there i way i can do this and that both will work?

$outputMXA = shell_exec($commandMXA);
$fhMXA = fopen('MXA.txt','r+');
fwrite($fhMXA,$outputMXA);

$MXA = fgets($fhMXA);

Answer 1

Try this :

$outputMXA = shell_exec($commandMXA);
$fhMXA = fopen('MXA.txt','rw');
fwrite($fhMXA,$outputMXA);

$MXA = fgets($fhMXA);
fclose($fhMXA);

Edit:

Or you must separate both actions :

$outputMXA = shell_exec($commandMXA);
$fhMXA = fopen('MXA.txt','w+');
fwrite($fhMXA,$outputMXA);
fclose($fhMXA);

$fhMXA = fopen('MXA.txt','r+');
$MXA = fgets($fhMXA);
fclose($fhMXA);