method_exists
Listening Video
The method_exists() function will evaluate to see if the specified method exists. It returns TRUE if the method is found and FALSE if it is not.
demo.php
<?php
include_once("class1.php");
$myObj = new class1();
if(method_exists($myObj, "sayhello")){
echo $myObj->sayhello();
} else {
echo "sayhello method does not exist";
}
?>
class1.php
<?php
class class1 {
public function sayhello(){
return "Hello";
}
}
?>
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