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matt c
267 PointsPHP OOP 3/5 challenge
In challenge 3/5 in the php OOP basics course, after declaring the constructor and assigning the parameters to the class properties, why is the answer acceptable like this:
Class Fish {
public $name;
public function __construct() { $this->name = $name; //this order is seemingly okay }
public function __construct() {
$name=$this->name; /but in this order the answer is not
accepted/
}
Is the second way still acceptable OOP PHP syntax?
3 Answers
matt c
267 PointsYep, single line comments are forward slashes. backslashes are used for escaping characters etc.
The point was not the comments - but the validity of the order $this->name = $name; vs. $name = $this->name; which are the same, however, in the quiz, one throws an error and the other is accepted.
Donnie Reese
17,211 PointsI think the only issue is with your comments.
Single Line Comments:
\\ Comment here
$not_comment
Multi-line comments:
\* This is a
multi-line comment.
****
It ends like this. */
Your comments either needs to start with two slashes or be contained as above.
thomascawthorn
22,986 PointsSingle line comments are // !
<?php
// Single line comment
/*
Multi line comment
*/
/**
* 'Doc Block' will initiate special syntax highlighting in some code software.
* Some external software can parse these comments and create automatic
* documentation. It starts with **
*
* @return string
*/
matt c
267 PointsYes, you have!
This is a very important point to know.
Thank you!
thomascawthorn
22,986 PointsNo worries!
thomascawthorn
22,986 Pointsthomascawthorn
22,986 PointsAh, they're not quite the same.
$this->name = $name will assign $this->name the value of $name.
E.g. if $name is an empty string and $this->name is Matt, after running this line of code, $this->name will be set to an empty string. The inverse is also true.
The equal operator will assign the value of the right hand side to the left hand side which is why it's only valid in a particular sequence.
Have I made much sense there?