HasKey

/ LJCPHPCodeDoc / LJCCollectionLib / LJCCollectionBase / HasKey

Parameters

$key - The element key.

Returns

True if the key already exists, otherwise false.

Syntax

PHP
public function HasKey($key) : bool

Indicates if a key already exists.

Example

PHP
$webCommonPath = "c:/inetpub/wwwroot/LJCPHPCommon"; require_once "$webCommonPath/LJCCollectionLib.php"; // $collection extends LJCCollectionBase $key = "KeyName"; if ($collection->HasKey($key)) { throw new Exception("Key: {$key} already in use."); }

PHP

 $webCommonPath = "c:/inetpub/wwwroot/LJCPHPCommon";
 require_once "$webCommonPath/LJCCollectionLib.php";
 
 // $collection extends LJCCollectionBase
 $key = "KeyName";
 if ($collection->HasKey($key))
 {
   throw new Exception("Key: {$key} already in use.");
 }