PHP popen() Function Usage and Example

PHP Filesystem Reference Manual

The popen() function can open a pipe to the program specified in the command parameter, and returns false if an error occurs.

Syntax

resource popen ( string $command , string $mode )

This function can open a pipe to the execution process by deriving the command given by the command.

Online Example

<?php
　　　$handle = popen("/bin/ls", "r");
?>

PHP Filesystem Reference Manual