PHP addslashes() function - w3resource
explode - Why do dollar symbols not appear in a double-quoted PHP string? - Stack Overflow
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Most used STRING functions in my PHP coding
php - How to query an array of data that has a Single quote? - Stack Overflow
PHPyths Buster: A great string performance test! (updated) - Krzych Jończyk
Double-quote PHP and mysql - Stack Overflow
how to use string in php - Computer and Internet
Escaping special characters in regular expressions in PHP – BrainBell
Difference between Single Quotes vs Double Quotes in PHP in Hindi - YouTube
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Replace Double Quotes With Single Quotes PHP
PHPyths Buster: Single quotes are faster than double quotes - Krzych Jończyk
Magic Quotes in PHP | Delft Stack
differences between the single and double quotes in PHP
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How to do HTML syntax highlighting inside PHP strings ? - GeeksforGeeks
Atom Editor: how to highlight singe and double quote strings differently for php - Stack Overflow
What is String or variable Interpolation in php? – Conceptual Discus
String in PHP | Four Different Types of String Declaration in PHP
Strings in PHP | Double quote, Php, Single quotes
PHP variables with a string literal - sbsharma
PHP - Strings
Php String | Single Quoted PHP String | Double Quoted PHP String
Delimiting Strings in PHP – BrainBell
PHPyths Buster: A great string performance test! (updated) - Krzych Jończyk
How to do HTML syntax highlighting inside PHP strings ? - GeeksforGeeks
How to define String in PHP? - DevOpsSchool.com
