Javascript debugger
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is_a
Checks if the object is of this class or has this class as one of its parents
(PHP 4 >= 4.2.0, PHP 5)
bool is_a ( object object, string class_name )
Checks if the given object is of this class or has this class as one of its parents.
Note:
The is_a() function is deprecated as of PHP 5 in favor of the instanceof type operator.
Return Values
Returns TRUE if the object is of this class or has this class as one of
its parents, FALSE otherwise.
Examples
Example 383. is_a() example
<?php
// define a class
class WidgetFactory
{
var $oink = 'moo';
}
// create a new object
$WF = new WidgetFactory();
if (is_a($WF, 'WidgetFactory')) {
echo "yes, \$WF is still a WidgetFactory\n";
}
?>
Example 384. Using the instanceof operator in PHP 5
<?php
if ($WF instanceof WidgetFactory) {
echo 'Yes, $WF is a WidgetFactory';
}
?>