PHP method call reports error about it being undefined method

Question

I believe my class is correct but when I try to echo the output of the class I get an error on line 28: the line " echo 'Your full name ...." is line 28. Any help would be nice

<?php

echo 'Your full name is ' . $person->retrieve_full_name() . '.';

?>

This is where I created the function "retrieve_full_name"

public function __retrieve_full_name() {
    $fullname = $this->firstname . ' . ' . $this->lastname;
    return $fullname;
}/* This ends the Full Name Function*/

the error I get is

Fatal error: Call to undefined method stdClass::retrieve_full_name() in /home/mjcrawle/processlogin2.php on line 28

Where are you creating this method? How do you retrieve $person? Why is your method name prefixed with __ like a magic method? — BoltClock
– BoltClock, Commented Feb 26, 2011 at 16:39
Why do you have those two underscores up there, before retrieve? — UltraInstinct
– UltraInstinct, Commented Feb 26, 2011 at 16:40
Interesting error. Is your class really called stdClass? Odd name for a personal class. — Lightness Races in Orbit
– Lightness Races in Orbit, Commented Feb 26, 2011 at 16:49

knittl · Accepted Answer · 2011-02-26 16:58:42Z

8

your function is called __retrieve_full_name, but you call retrieve_full_name. notice the missing underscores.

double underscores are usually the prefix for php internal/magic functions, i would advise against using them in your function names.

edited Feb 26, 2011 at 16:58

answered Feb 26, 2011 at 16:39

knittl

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markus · Accepted Answer · 2011-02-26 16:43:44Z

3

Your immediate error is due to the fact that you call your method by the wrong name. And:

don't use underscores to start a method name
don't use underscores in method names at all, if you care for best practice, use camel casing instead retrieveFullName().

answered Feb 26, 2011 at 16:43

markus

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delphist · Accepted Answer · 2011-02-26 16:39:27Z

1

public function retrieve_full_name() {

answered Feb 26, 2011 at 16:39

delphist

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