» google_pagerank()
  » preg_replace()
  » htmlentities()
  » imagecreatefrompng()
  » site_pageranks()
  » imagepng()
  » imagestring()
  » imagedestroy()
  » header()
  » imagecolorallocate()
  » preg_match()
  » session_start()
  » getimagesize()
  » urlencode()
  » ob_start()
  » flush()
  » strpos()
  » str_replace()
  » htmlspecialchars()
  » array2vars()
  » fopen()
  » nl2br()
  » preg_match_all()
  » setcookie()
  » strstr()
  » ob_flush()
  » ereg()
  » preg_split()
  » ereg_replace()
  » var_dump()

 » Weblog Community
 » Listen to Podcasts
 » Rock Music Community - meet fans

Become a sponsor for $15/month. Link is sitewide - PR5 homepage, 20+ PR4 pages, 90+ PR3 pages. Email Tabpole[AT]Gmail[DOT]com.

(PHP 4, PHP 5)

is_numeric --  Finds whether a variable is a number or a numeric string

Description

bool is_numeric ( mixed var )

Finds whether the given variable is numeric.

Parameters

var

The variable being evaluated.

Return Values

Returns TRUE if var is a number or a numeric string, FALSE otherwise.

Related Function(s)

is_bool()

is_null()

is_float()

is_int()

is_string()

is_object()

is_array()