PHP is_link() Function

In this chapter you will learn:

  1. Definition for PHP is_link() Function
  2. Syntax for PHP is_link() Function
  3. Parameter for PHP is_link() Function
  4. Return for PHP is_link() Function
  5. Note for PHP is_link() Function
  6. Example - PHP is_link() Function

Definition

The is_link() function checks whether the specified file is a link.

Syntax

PHP is_link() Function has the following syntax.

is_link(file)

Parameter

ParameterIs RequiredDescription
fileRequired.File to check

Return

This function returns TRUE if it is a link.

Note

The result of this function are cached. Use clearstatcache() to clear the cache.

Example


<?php/*from  j  a  v a 2  s. co m*/
$link = "images";
if(is_link($link)){
  echo ("$link is a link");
}else{
  echo ("$link is not a link");
}
?>

The code above generates the following result.

Next chapter...

What you will learn in the next chapter:

  1. Definition for PHP is_readable() Function
  2. Syntax for PHP is_readable() Function
  3. Parameter for PHP is_readable() Function
  4. Return for PHP is_readable() Function
  5. Note on PHP is_readable() Function
  6. Example - checks whether the specified file is readable
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