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class_exists()

« class_alias | class_implements »
<?php
$bool 
class_exists (
    
?// string $class_name
    
?  // [bool $autoload = true]
);
?>
Result
$bool = true
Examples
#1 class_exists  ("Exception")
#2 class_exists  ("action")
#3 class_exists  ("xyz")
See also
function_exists, get_declared_classes, interface_exists