Why do we have the dollar sign before every php variable?
Let’s learn why do we have the dollar sign before every php variable. The most accurate or helpful solution is served by Stack Overflow.
There are ten answers to this question.
Best solution
Going through this code (sorry for the newb factor): <?php // Class class Building { // Object variables/properties public $number_of_floors = 5; // These buildings have 5 floors private $color; // Class constructor public function __construct($paint) { $this->color = $paint; } public function describe() { printf('This building has %d floors. It is %s in color.', $this->number_of_floors, $this->color ); } } // Build a building and paint it red $bldgA = new Building('red'); // Tell...
Answer:
You are right, the $ is for variable. But in a class instance, you don't use $ anymore on properties...
user784637 at Stack Overflow Mark as irrelevant Undo
Other solutions
Answer:
the dollar sign appears before a variable/array. Essentially it just tells php that its a variable...
wiki.answers.com Mark as irrelevant Undo
Regarding Preg_Replace function in PHP Greetings. I am trying to use the Preg_Replace function to replace a string variable with another string. This works fine when the string I'm looking for is written out, such as "This is my string." However...
Answer:
You are trying to replace a string, as such you should use str_replace instead. See: http://php.net...
canterbu... at Yahoo! Answers Mark as irrelevant Undo
PHP interpreters are very common, but the PHP syntax & libraries are inconsistent & cumbersome (IMO, of course). I think a language that compiles into PHP but provides higher level level features (like, modules, mixins, list comprehensions, etc...
Mike Cantelon at Quora Mark as irrelevant Undo
Question about the Dollar? Dollar Sign That is? When I was in 8th (1954) grade I had a class titled “Business Math”. The teacher explained the U. S. Dollar sign was a “U” for United, and a “S” for States laid over...
Answer:
I am young and know what you are talking about. I love the real dollar sign, I have no idea.
GetSkinn... at Yahoo! Answers Mark as irrelevant Undo
how can I fix a php sign in broken after an upgrade to PHP 5.x? I maintain a website on dreamhost (which recently ungraded their PHP to 5 something.) Our site (which is old and will be replaced) is written in a previous version of PHP. Now the signin...
Answer:
Minor addendum: if you grep the script for '_GET' or '_POST' and come up empty, it is almost certainly...
canine epigram at Ask.Metafilter.Com Mark as irrelevant Undo
Here is a UK pound sign: £ Here is a USA dollar sign: $ Do they look the same on American computer screens?
Answer:
We see it as you meant it to appear. I see £ when you type pound I see$ when you type Dollar.
bearlily at Yahoo! Answers Mark as irrelevant Undo
I am working on a website using XAMPP. PHP is configured correctly. There is no syntax error in the code. File extension ends in .php. I point to it by http://localhost/file.php. Here is the code: <?php include_once('simpleDom.php'); $target_url...
Answer:
please check that there are no short tags in the code such as <? ?> because short tags are off...
Faizan Ali at Quora Mark as irrelevant Undo
I know triple equals sign also compare types of variables. But, What's the rationale beyond this? Where to use double equals sign?
Answer:
$a == $b if $a and $b are equivalent. 3.0 == 3 is true. $a === $b if $a and $b are identical. (Type...
Edward Yu at Quora Mark as irrelevant Undo
I mean in the Scrooge McDuck world the dollar sign has 2 lines but in the real world does it stand for anything....? I have heard from someone that it means one million dollars but I don't know if this is true.
Answer:
I Thought It Was The Same Thing..... All Bank Statements I Get Have The 2 Lines....And One The I-Net...
24_m_gr at Yahoo! Answers Mark as irrelevant Undo
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