Find the character in first string that is present at minimum index in second string - GeeksforGeeks
PHP Substring Examples - Dot Net Perls
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How to use the substr() Function in PHP - Pi My Life Up
PHP Exercises: Convert the last 3 characters of a given string in upper case - w3resource
PHP String Exercise: Print the next character of a specific character - w3resource
sed remove last character from each line on Linux / Unix - nixCraft
PHP strpos() Function: locating a substring within a string
PHP String Exercise: Print the next character of a specific character - w3resource
How to Get First and Last Character from String in PHP? - ItSolutionStuff.com
Answered: 3. Creation of String Function in PHP,… | bartleby
javascript - How can I get last characters of a string - Stack Overflow
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Palindromes in PHP – AntPace.com
In PHP remove last character from string if comma - Tutorials Bites
arrays - Character in php takes 3 places - Stack Overflow
How to Remove the Last Character from a String in PHP
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PHP substr(): How to Extract a Substring from a String
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string - Substring to get 3 characters from the last character vb.net - Stack Overflow
PHP Get Last 3 Characters from String Example
PHP String Exercise: Check whether a string contains a specific string - w3resource
PHP String Exercise: Get the last three characters of a string - w3resource
MySQL SUBSTRING() function - w3resource
Replace some characters with Asterisks in PHP using str_repeat(). | by Olususi Kayode Oluyemi | Medium
