String adding in PHP

$string1="Welcome to";
$string2=" PHP  section ";
echo $string;
The out put of the above command will give the full sentence
Welcome to PHP section 
We can add any number of strings by using " . " ( dot ) in between them.

Now let us learn how we can add different strings to a common string variable. Here is the code.
$string= " Hello, ";
$string .=" Welcome to ";
$string .=" ";
echo $string;
The above code will print all the strings one after other forming the complete sentence.

We can merge one string inside another string like this.

$string2=" PHP  section ";
$string= "Welcome to $string2";
echo $string;
Here the code will display full string with string2 value added at the end. But this way we can't add function inside a string. Let us try to add one function to display present date inside the welcome message. Here like a string we can't add. The following line won't display today's date along with the string. This is not going to work .
$string= "Welcome to $string2 today on date('m/d/y');
We have to modify the above line like this to display current date.
$string= "Welcome to $string2 today on  ". date("m/d/y");
echo $string;
Output is here
Welcome to  PHP  section  today on  07/24/24

String Functions first letter of every word to capitalize by using ucwords Change all alphabetic chars to lowercase Checking all lower case or upper case chars in a string
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