// library.php<?phpfunctionsum(int$x,int$y){return$x+$y;} Just add the parameters when calling the function in another file as follows: // index.php<?phprequire"library.php";// 👇 call the function with parameters$n=sum(10,9);echo$n;// 19 Now you’ve learned how to call a...
Function Parameters (Programming PHP)Rasmus LerdorfKevin Tatroe
You can also create functions with optional parameters — just insert the parameter name, followed by an equals (=) sign, followed by a default value, like this.ExampleRun this code » <?php // Defining function function customFont($font, $size=1.5){ echo "Hello, world!"; } // Call...
You can specify two, three or more parameters in exactly the same way. Each parameter is separated from each other with a comma. <?php// function to find the average numberfunctionaverage($x,$y){return($x+$y) /2; }average(1,5);// 3average(1,2);// 1.5 ...
PHP Function Parameters - Learn about PHP function parameters, how to pass them by value or reference, and the use of default parameter values for better coding practices in PHP.
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We tell the PHP engine that our function accepts three parameters: the first parameter must be numeric, while the other ones are instances of type "ExampleClass" and "OtherClass". In the end, your native C++ "example" function will still be called with a Php::Parameters instance, but the...
Now the same example is created with thefunc_get_argsfunction. PHP function named parameters When we use named parameters, then the order of the parameters is not relevant. named_parameters.php <?php function info($name, $occupation) { ...
Here,add_numbers(2, 3)specifies that parametersaandbwill get values2and3respectively. Function Argument with Default Values In Python, we can provide default values to function arguments. We use the=operator to provide default values. For example, ...