Most Referenced Functions
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  » imagestring()
  » imagedestroy()
  » preg_match()
  » imagecolorallocate()
  » header()
  » fopen()
  » getimagesize()
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  » strstr()
  » preg_match_all()
  » strpos()
  » ob_start()
  » ob_flush()
  » flush()
  » str_replace()
  » array2vars()
  » nl2br()
  » htmlspecialchars()
  » setcookie()
  » urlencode()
  » preg_split()
  » ereg()
  » ereg_replace()
  » var_dump()

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PHP Functions

Function: is_executable

(PHP 3, PHP 4, PHP 5)

is_executable -- Tells whether the filename is executable

Description

bool is_executable ( string filename )

Returns TRUE if the filename exists and is executable.

is_executable() became available with Windows in PHP version 5.0.0.

Example 1. is_executable() example 

<?php

$file = '/home/vincent/somefile.sh';

if (is_executable($file)) {
    echo $file.' is executable';
} else {
    echo $file.' is not executable';
}

?>

Note: The results of this function are cached. See clearstatcache() for more details.

Tip: As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to Appendix L for a listing of which wrappers support stat() family of functionality.

Related Function(s)

  • clearstatcache()
  • stat()
  • is_file()
  • is_link()
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