What is the meaning of $ symbol in php

The meaning of the $ symbol in php is a variable or object name identifier. If a string is followed by the $ symbol, it represents a variable name or object name. For example [$txt = "hello world"] means that the variable txt stores the value hello world.

The $ symbol in php is a variable or object name identifier. If a string is followed by the $ symbol, it represents a variable name or object name. .

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Example:

<?php
$txt="Hello world!";
$x=5;
$y=10.5;
?>

During the execution of the above statement, the variable txt will be saved The value Hello world!, and the variable x will hold the value 5.

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