How To Invoke a User Function

Q

How To Invoke a User Function? - PHP Script Tips - Creating Your Own Functions

✍: FYIcenter.com

A

You can invoke a function by entering the function name followed by a pair of parentheses. If needed, function arguments can be specified as a list of expressions enclosed in parentheses. Here is a PHP script example on how to invoke a user function:

<?php 
function hello($f) {
  print("Hello $f!\n");
}
hello("Bob");
?>

This script will print:

Hello Bob!

2007-04-24, 5868👍, 0💬

How To Invoke a User Function
How To Invoke a User Function? - PHP Script Tips - Creating Your Own Functions You can invoke a function by entering the function name followed by a pair of parentheses. If needed, function arguments can be specified as a list of expressions enclosed in parentheses. Here is a PHP script example on h... 2007-04-24, 5869👍, 0💬

How To Break a File Path Name into Parts
How To Break a File Path Name into Parts? - PHP Script Tips - Working with Directoris and Files If you have a file name, and want to get different parts of the file name, you can use the pathinfo() function. It breaks the file name into 3 parts: directory name, file base name and file extension; and... 2007-04-23, 5164👍, 0💬

How To Get the Directory Name out of a File Path Name
How To Get the Directory Name out of a File Path Name? - PHP Script Tips - Working with Directoris and Files If you have the full path name of a file, and want to get the directory name portion of the path name, you can use the dirname() function. It breaks the full path name at the last directory p... 2007-04-23, 5114👍, 0💬

How To Define a User Function
How To Define a User Function? - PHP Script Tips - Creating Your Own Functions You can define a user function anywhere in a PHP script using the function statement like this: "function name() {...}". Here is a PHP script example on how to define a user function: <?php function msg() { print("... 2007-04-24, 4930👍, 0💬

How To Read a Directory One Entry at a Time
How To Read a Directory One Entry at a Time? - PHP Script Tips - Working with Directoris and Files If you want to read a directory one entry at a time, you can use opendir() to open the specified directory to create a directory handle, then use readdir() to read the directory contents through the di... 2007-04-23, 4891👍, 0💬

Can You Define an Argument as a Reference Type
Can You Define an Argument as a Reference Type? - PHP Script Tips - Creating Your Own Functions You can define an argument as a reference type in the function definition. This will automatically convert the calling arguments into references. Here is a PHP script on how to define an argument as a ref... 2007-04-24, 4851👍, 0💬

How To Return a Value Back to the Function Caller
How To Return a Value Back to the Function Caller? - PHP Script Tips - Creating Your Own Functions You can return a value to the function caller by using the "return $value" statement. Execution control will be transferred to the caller immediately after the return statement. If there are other stat... 2007-04-24, 4848👍, 0💬

How Variables Are Passed Through Arguments
How Variables Are Passed Through Arguments? - PHP Script Tips - Creating Your Own Functions Like more of other programming languages, variables are passed through arguments by values, not by references. That means when a variable is passed as an argument, a copy of the value will be passed into the ... 2007-04-24, 4841👍, 0💬

How To Pass an Argument to a Function
How To Pass an Argument to a Function? - PHP Script Tips - Creating Your Own Functions To pass an argument to a function, you need to: Add an argument definition in the function definition. Add a value as an argument when invoking the function. Here is a PHP script on how to use arguments in a funct... 2007-04-24, 4774👍, 0💬

All rights in the contents of this web site are reserved by the individual author. fyicenter.com does not guarantee the truthfulness, accuracy, or reliability of any contents.