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POCannot redeclare class - Check if class already exists
 

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    <p>I'm working with a script that is calling the same class twice and throwing the error:</p> <pre><code>Fatal: Cannot redeclare class urlConverter (/var/www/core/cache/includes/elements/modsnippet/23.include.cache.php:14) </code></pre> <p>I have tried placing the following code in:</p> <pre><code>if( !class_exists( 'urlConverter', false ) ) { $urlConverter = new urlConverter( $modx ); } </code></pre> <p>However doing that the CMS I'm working with is reporting an Error 500 and haven't been able to see in the logs why it's throwing that error.</p> <p>Does anyone know how to check if that class has already been declared correctly?</p> <p>Edit:</p> <p>I'm using a CMS so as a result the Class is housed in a Snippet and not an actual file. This is how they call their snippets:</p> <pre><code>$data['viewonlinelink'] = $this-&gt;modx-&gt;runSnippet( 'urlConverter', array( 'action' =&gt; 'encrypt', 'string' =&gt; http_build_query( $string ) ) ); </code></pre> <p>I need to call that a second time to get a different result.</p> <p>Edit2:</p> <p>Here is urlConverter:</p> <pre><code>&lt;?php class urlConverter { public $modx; public function __construct( modX &amp;$modx ) { $this-&gt;modx =&amp; $modx; } public function action( $scriptProperties ) { return $this-&gt;$scriptProperties['action']( $scriptProperties['string'] ); } private function encrypt( $str ) { return $str; } private function decrypt( $str ) { return $str; } } } $urlConverter = new urlConverter( $modx ); return $urlConverter-&gt;action( $scriptProperties ); </code></pre> <p>Now from another script I call the following:</p> <pre><code> $data['viewonlinelink'] = $this-&gt;modx-&gt;runSnippet( 'urlConverter', array( 'action' =&gt; 'encrypt', 'string' =&gt; http_build_query( $string ) ) ); $data['confirmonline'] = $this-&gt;modx-&gt;runSnippet( 'urlConverter', array( 'action' =&gt; 'encrypt', 'string' =&gt; http_build_query( $reversed ) ) ); </code></pre> <p>Which runs the function encrypt inside of my urlConverter class and I should receive two different results.</p>
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    1. COAre you including/requiring the class file? If so, use `include_once` or `require_once` instead.
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    2. COIts probably a require/include you are duplicating somewhere.
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    3. COI'm kinda including. I'm using a CMS called MODx. I will modify my question with the require statement from their CMS.
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