Passing an argument by reference is done by prepending an ampersand (&) to the argument name in the function definition, as shown in the example below:ExampleRun this code » <?php /* Defining a function that multiply a number by itself and return the new value */ function selfMultiply...
Define constant in a function : Definition « Functions « PHPPHP Functions Definition Define constant in a function <?php define('CONST1', 1); function MyTest() { define('CONST2', 2); } MyTest(); echo "CONST1 = " . CONST1 . " and CONST2 = " . CONST2 . "\n"; ?> ...
Recursion, in mathematics and computer science, is a method of defining functions in which the function being defined is applied within its own definition. In other words, a recursive function calls itself to do its job. Recursion is an alternative to iteration. Recursion is the main approach i...
Definition of PHP usleep usleep() function is an inbuilt function of PHP standard library which is used for making the current script in execution to a halt for some microseconds and milliseconds as per specified requirement. There is no specific return type for the PHP usleep function which mak...
Using the count() Function in PHP Syntax of PHP’s implode Function The implode function’s definition is relatively simple and only has two parameters that you need to worry about. Below you can see the definition of the implode function within PHP. This definition shows you the required dat...
Definition of echo function in PHPThe echo function is a bill-in function (predefined function, readymade) which is used for more than one string. In simple words, we can use more than one strings (variables, parameters ) with echo function. ...
1. Lines 1-4 : Details (definition) of the function. 2. Line 5 : Call the function. 3. Line 1 : No parameter passes. 4. Line 2-4 : Execute three print statements. The Return statement in function In Python the return statement (the word return followed by an expression.) is used...
<?php echointdiv(8,4) .""; echointdiv(5,2) .""; echointdiv(-5, -2); ?> Try it Yourself » Definition and Usage The intdiv() function is used for integer division. Syntax intdiv(dividend,divisor); Parameter Values ParameterDescription...
In this article, we have learnt the concept of exit function in PHP through definition, syntax, working of exit function through programming examples, and their outputs. Recommended Articles This is a guide to PHP exit. Here we discuss the introduction, syntax, and working of the exit function...
❮ PHP Filesystem Reference Definition and UsageThe fscanf() function parses the input from an open file according to the specified format.Note: Any whitespace in the format string matches any whitespace in the input stream. This means that a tab (\t) in the format string can match a ...