PHP Exercises: Create a new string using 3 copies of the first 2 characters of a given string - w3resource
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PHP Exercises: Create a new string where 'if' is added to the front of a given string - w3resource
PHP Exercises: Create a new string from a given string without the first and last character if the first or last characters are 'a' otherwise return the original given string - w3resource
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PHP Exercises: Create a new string from a given string after swapping last two characters - w3resource
PHP Exercises: Create a new string using two given strings s1, s2, the format of the new string will be s1s2s2s1 - w3resource
PHP String Complete Tutorial - YouTube
String in PHP | Four Different Types of String Declaration in PHP
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How To Efficiently Implement PHP Replace In Your Code
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PHP - Split string by new line
Write A PHP Program To Exchange The First and Last Characters in A Given String and Return The New String | PDF | Information Technology | Information Retrieval
Software Engineering Archives - Compiled Concepts
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Php 8 - Three New String Helper Methods - YouTube
javascript - Retrieve php variable in a string of a select <option> - Stack Overflow
Highlight and Compare strings with differences and similarities in php - The Syntax Source
