Questions and Answers
The strval() function is used to convert any scalar value to a ______.
string
We cannot use strval() on ______ or on objects.
arrays
The syntax for using strval() is: strval( ______ ).
$variable
The return value of strval() function is a ______.
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If strval() is applied to arrays, it will return the ______ name of the value being converted.
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Study Notes
strval() Function in PHP
- The
strval()function is built-in in PHP for converting scalar values to strings. - Scalar values that can be converted include strings, integers, and doubles.
- The syntax for using
strval()is:strval($variable). - If
strval()is applied to arrays or objects, it returns the type name of the variable instead of a string. - The return value of
strval()is a string created by typecasting the provided variable. - Example of usage:
strval(2)results in the string"2". - Practical output example: When using
strval("Welcome " . 2 . " GeeksforGeeks"), the output isWelcome 2 GeeksforGeeks, demonstrating concatenation with a string conversion.
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Description
Test your knowledge of the strval() function in PHP. This quiz covers its syntax, usage, and limitations when converting scalar values to strings. Perfect for PHP learners looking to understand typecasting concepts.
