Below is the Markdown documentation for the PHP string functions you requested. It’s organized with a brief description and code example for each function. You can copy this directly to your GitHub ...

The tool should have a user interface that allows the user to enter a string and select a function to perform on the string. The tool should support the following string functions: strlen, strrev, ...

A string is sequence of character. Every thing that is declared in a string will considered as a character. Like abcd1234 is a string. And when you add the string like 2+2 will give 22 not 4. PHP ...

Strlen() : Returns the length of a string (number of characters). Strpos() : searches for a specific text within a string. If a match is found, the function returns the character position of the first ...