<p>strpos() is one of the most useful PHP string functions. This function allows you to get the position in a string where another string (a substring) occurs.</p> <p>The parameters passed to strpos() ...

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, ...

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 ...

PHP 8.0 adds support for several functions- and methods-related features, including enhanced callables, named function arguments, and Fibers, interruptible functions adding support for multitasking.

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 ...