Special Characters in Double-Quoted Strings in PHP

Q

What Are the Special Characters You Need to Escape in Double-Quoted Stings?

✍: FYIcenter.com

A

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 said: \"Who's there?\""; 
echo "\\ represents an operator."; 
?>

This script will print:

Hello world!Tom said: "Who's there?"\ represents an operator.

⇒ Escape Sequences in Double-Quoted Strings in PHP

⇐ "new line" Character in Single-Quoted Strings in PHP

⇑ Understanding PHP String Literals and Operations

⇑⇑ PHP Tutorials

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"new line" Character in Single-Quoted Strings in PHP
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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, ∼2573🔥, 0💬

Including Array Elements in Double-Quoted Strings in PHP
How Many Ways to Include Array Elements in Double-Quoted Strings? There are 2 formats to include array elements in double-quoted strings: "part 1 $array[key] part 2" - This is called simple format. In this format, you can not specify the element key in quotes. "part 1 {$array['key']} part 2" - This ... 2016-10-13, ∼2476🔥, 0💬

Including Variables in Double-Quoted Strings in PHP
How To Include Variables in Double-Quoted Strings? 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"; e... 2016-10-13, ∼2445🔥, 0💬

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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, ∼2374🔥, 0💬

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, ∼2315🔥, 0💬

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