String in PHP

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String in PHP

In PHP string is a sequence of characters i.e. used to store and manipulate text. There are 4 ways to specify string in PHP.

  • single quoted
  • double quoted
  • heredoc syntax
  • newdoc syntax (since PHP 5.3)

Single Quoted PHP String

It is simple and easy way to specify string in php. We can create a string in PHP by enclosing text in a single quote.

Use String in PHP

<?php

$str='Hello php I am single quote String';  
echo $str;

?>

Output

Hello php I am single quote String

Double Quoted PHP String

In PHP, we can also specify string through enclosing text within double quote

Use String in PHP

<?php

$str="Hello php I am double quote String";
echo $str;

?>

Output

Hello php I am double quote String

Note: Now, you can't use double quote directly inside double quoted string.

Double String in PHP

<?php

$str="Hello "php" I am double quote String";
echo $str;

?>

Output

Parse error: syntax error, unexpected 'quote' (T_STRING) in C:\wamp\www\string1.php on line 2

We can store multiple line text, special characters and escape sequences in a double quoted PHP string.

Example

<?php

$str="Hello \"php\" I am double quote String";
echo $str;

?>

Output

Hello php I am double quote String

Using double quote String you can also display variable value on webpage

Display variable on webpage PHP

<?php

$num=10;
$str="Number is: $num";
echo $str;

?>

Output

Number is: 10

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