echo command & escape character in PHPPrinting or sending output to browser at client side is the main objective for which we will be developing our scripts in PHP. Finally after processing the code at server side we manage the output various ways and send them by using one printf or echo command.
You have seen how we have used echo command to post our first string Hello World in our first lesson of PHP guide. Here it is again
To learn more on this let us try to print the value of a PHP variable. To start with let us print today's date by using one variable.
Some time we may require to print the name of the variable than printing the data. So here we will use escape character ( \ ) before the $ symbol to tell PHP that consider the next character as string and not as a variable.
Using PHP within HTML codes.Some time within a code block of HTML we want to display the data of a PHP variable. For this we need not use the PHP start command and then echo command, we can use short method like this to display the data stored in variable $value.
We can also use escape character ( \ ) to print double quotes to the screen by using echo command. Here is an example.
Output is here
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