Including Variables in Double-Quoted Strings in PHP

Q

How To Include Variables in Double-Quoted Strings?

✍: FYIcenter.com

A

Variables included in double-quoted strings will be interpolated. Their values will be concatenated into the enclosing strings. For example, two statements in the following PHP script will print out the same string:

<?php 
$variable = "and";
echo "part 1 $variable part 2\n"; 
echo "part 1 ".$variable." part 2\n"; 
?>

This script will print:

part 1 and part 2
part 1 and part 2

⇒ Ways to Include Variables in Double-Quoted Strings in PHP

⇐ Escape Sequences in Double-Quoted Strings in PHP

⇑ Understanding PHP String Literals and Operations

⇑⇑ PHP Tutorials

2016-10-13, 1360👍, 0💬

Understanding PHP String Literals and Operations
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Escape Sequences in Double-Quoted Strings in PHP
How Many Escape Sequences Are Recognized in Double-Quoted Strings? There are 12 escape sequences you can use in double-quoted strings: \\ - Represents the back slash character. \" - Represents the double quote character. \$ - Represents the dollar sign. \n - Represents the new line character (ASCII ... 2016-10-13, 1417👍, 0💬

Including Variables in Double-Quoted Strings in PHP
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Concatenating Two Strings in PHP
How To Concatenate Two Strings Together? You can use the string concatenation operator (.) to join two strings into one. Here is a PHP script example of string concatenation: <?php echo 'Hello ' . "world!\n"; ?> This script will print: Hello world! ⇒ Comparing Two Strings in PHP ⇐... 2016-10-13, 1346👍, 0💬

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Special Characters in Double-Quoted Strings in PHP
What Are the Special Characters You Need to Escape in Double-Quoted Stings? There are two special characters you need to escape in a double-quote string: the double quote (") and the back slash (\). Here is a PHP script example of double-quoted strings: <?php echo "Hello world!"; echo "Tom sa... 2016-10-13, 1324👍, 0💬

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How To Access a Specific Character in a String? Any character in a string can be accessed by a special string element expression: $string{index} - The index is the position of the character counted from left and starting from 0. Here is a PHP script example: <?php $string = 'It\'s Friday!'; e... 2016-10-13, 1276👍, 0💬

Escape Sequences in Single-Quoted Strings in PHP
How Many Escape Sequences Are Recognized in Single-Quoted Strings? There are two special characters you need to escape in a single-quote string: the single quote (') and the back slash (\). Here is a PHP script example of single-quoted strings: <?php echo 'Hello world!'; echo 'It\'s Friday!';... 2016-10-13, 1261👍, 0💬

Ways to Include Variables in Double-Quoted Strings in PHP
How Many Ways to Include Variables in Double-Quoted Strings? There are 3 formats to include variables in double-quoted strings: "part 1 $variable part 2" - This is the simplest format to include a variable in a string. The variable name starts with the dollar sign and ends at the first character tha... 2016-10-13, 1257👍, 0💬

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