What do you mean by return statement?
A return statement ends the execution of a function, and returns control to the calling function. Execution resumes in the calling function at the point immediately following the call. A return statement can return a value to the calling function.
What is return statement example?
The following function searches through an array of integers to determine if a match exists for the variable number . If a match exists, the function match returns the value of i . If a match does not exist, the function match returns the value -1 (negative one).
What is the return value of print statement in PHP?
Also, the print statement always returns a value of 1. Like an echo, the print statement can also be used to print strings and variables.
Does return end a function PHP?
If called from within a function, the return statement immediately ends execution of the current function, and returns its argument as the value of the function call. return also ends the execution of an eval() statement or script file.
Can we use return in if statement?
The return statement returns the flow of the execution to the function from where it is called. This statement does not mandatorily need any conditional statements. … The return statement may or may not return anything for a void function, but for a non-void function, a return value is must be returned.
What is a return statement in Java?
A return statement causes the program control to transfer back to the caller of a method. Every method in Java is declared with a return type and it is mandatory for all java methods. A return type may be a primitive type like int, float, double, a reference type or void type(returns nothing).
What is a void function?
Void functions are created and used just like value-returning functions except they do not return a value after the function executes. In lieu of a data type, void functions use the keyword “void.” A void function performs a task, and then control returns back to the caller–but, it does not return a value.
Why do we use return 0 in C programming?
The main function is generally supposed to return a value and after it returns something it finishes execution. The return 0 means success and returning a non-zero number means failure. Thus we “return 0” at the end of main function.
What is difference between ECHO and print?
They are both used to output data to the screen. The differences are small: echo has no return value while print has a return value of 1 so it can be used in expressions. echo can take multiple parameters (although such usage is rare) while print can take one argument. echo is marginally faster than print.”
What is the full form of PHP?
PHP (recursive acronym for PHP: Hypertext Preprocessor ) is a widely-used open source general-purpose scripting language that is especially suited for web development and can be embedded into HTML.
What is print statement PHP?
print is also a statement, used as an alternative to echo at many times to display the output. print can be used with or without parentheses. print always returns an integer value, which is 1. Using print, we cannot pass multiple arguments. print is slower than echo statement.