PHP substr() function - w3resource
PHP String Exercise: Find the first character that is different between two strings - w3resource
Investigating Strings in PHP :: Hour 13. Working with Strings :: Part III: Getting Involved with the Code :: PHP, MySQL and Apache in 24 hours :: Programming :: eTutorials.org
How to find a character from a string in PHP | strpos() | stripos() | PHP Functions | TheTEQ - YouTube
Find repeated character present first in a string - GeeksforGeeks
MySQL SUBSTRING() function - w3resource
strpos in PHP: Syntax, Uses And Parameter Values (With Their Usecase)
PHP strpos() Function: locating a substring within a string
Remove the last character from a string in PHP - Clue Mediator
Remove Special Characters From String Using PHP
PHP Strings: PHP String Functions Explained with Examples
MySQL LOCATE() function - w3resource
PHP Exercise: Find the first non-repeated character in a given string - w3resource
php - how to find result in mysql if column have comma saperated value and contain any character of string - Stack Overflow
Find and replace text in a file | PhpStorm Documentation
find character in string php
PHP String Exercise: Get the characters after the last '/' in an url - w3resource
Find the first repeated character in a string - GeeksforGeeks
In Java How to Get all Text After Special Character from String? • Crunchify
Solved (d) Write a PHP script to find the first non-repeated | Chegg.com
Smallest window in a String containing all characters of other String - GeeksforGeeks
PHP substr(): How to Extract a Substring from a String
