PHP | popen() Function

PHP popen() Function


Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we are going to be studying about the PHP popen() Function.

The built-in popen() function opens a pipe to the program specified in the command parameter.

Syntax

Following below is the syntax to use this function -

resource popen ( string $command , string $mode )


This built-in function can open a pipe to the process executed by forking the command given by command.

Return Value

This function returns a file pointer which is identical to that returned by fopen(), but it is unidirectional in nature.

Example

Try out the below example -

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


Alright guys! This is where we are rounding up for this tutorial post. In our next tutorial guide, we are going to be discussing about the PHP readfile() Function.

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