php - Illegal string offset 'name' and Uninitialized string offset: 0 - Stack Overflow
PHP: Expects parameter to be string array given - Stack Overflow
Vowels Count in PHP | Count the Vowels of a given String using HTML Form and PHP - YouTube
explode - Why do dollar symbols not appear in a double-quoted PHP string? - Stack Overflow
7 PHP String Functions You Should Know and How To Use Them | by Joshua Otwell | Level Up Coding
Php - check if string is not empty or has a first character not equal to - Stack Overflow
GitHub - heavenshell/php-string-filter: Porting p5-string-filter to PHP
Generate Perfect Initials using PHP | by Chris Blackwell | Medium
PHP: Convert String to Number
0' as a string with empty() in PHP - Stack Overflow
How to change the string case? in PHP – BrainBell
7 PHP String Functions You Should Know and How To Use Them - Digital Owl's Prose
PHP Data Types
PHP Program to count the vowels, digits, and spaces in a string | T4Tutorials.com
GitHub - GroundSix/php-string-manager: StringManager Component
pflag — Better parse command line flags in PHP | by Simon Tony | ITNEXT
PHP String Function | Different Examples of String Function in PHP
PHP Exercises: Remove the character in a given position of a given string - w3resource
PHP Strings - java4coding
PHP – empty() Explained – Tech Geek Galaxy
Find positions of a substring in a string in PHP – BrainBell
