Defining a User Function in PHP

Q

How To Define a User Function? in PHP?

✍: FYIcenter.com

A

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("Hello world!\n");
}
msg(); 
?>

This script will print:

Hello world!

⇒ Invoking a User Function in PHP

⇐ Creating Your Own Functions in PHP

⇑ Creating Your Own Functions in PHP

⇑⇑ PHP Tutorials

2016-12-28, ∼2809🔥, 0💬

Truncating an Array in PHP
How To Truncate an Array in PHP? If you want to remove a chunk of values from an array, you can use the array_splice($array, $offset, $length) function. $offset defines the starting position of the chunk to be removed. If $offset is positive, it is counted from the beginning of the array. If negativ... 2017-01-05, ∼4717🔥, 0💬

Creating Your Own Functions in PHP
Where to find tutorials on how to create Your Own Functions in PHP? A collection of tutorials to answer many frequently asked questions on Creating Your Own Functions in PHP. Topics included in this collection are: Defining a User Function in PHP Invoking a User Function in PHP Returning a Value fro... 2016-12-28, ∼4195🔥, 0💬

Splitting a String into an Array in PHP
How To Split a String into an Array of Substring in PHP? There are two functions you can use to split a string into an Array of Substring: explode(substring, string) - Splitting a string based on a substring. Faster than split(). split(pattern, string) - Splitting a string based on a regular express... 2016-12-28, ∼3159🔥, 0💬

Returning a Value from a Function in PHP
How To Return a Value Back to the Function Caller? in PHP? 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 statements in the function after the return ... 2016-12-24, ∼2985🔥, 0💬

Passing Variables by References in PHP
How To Pass Variables By References? in PHP? You can pass a variable by reference to a function by taking the reference of the original variable, and passing that reference as the calling argument. Here is a PHP script on how to use pass variables by references: <?php function swap($a, $b) { ... 2016-12-24, ∼2911🔥, 0💬

Joining Array Values into a Single String in PHP
How To Join Multiple Strings Stored in an Array into a Single String in PHP? If you multiple strings stored in an array, you can join them together into a single string with a given delimiter by using the implode() function. Here is a PHP script on how to use implode(): <?php $date = array('0... 2017-01-05, ∼2900🔥, 0💬

Defining a User Function in PHP
How To Define a User Function? in PHP? 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("Hello world!\n"); } msg(); ?> Thi... 2016-12-28, ∼2810🔥, 0💬

Variables Are Passed by Values in PHP
How Variables Are Passed Through Arguments? in PHP? 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 function. Modifying that copy inside the... 2016-12-24, ∼2794🔥, 0💬

Invoking a User Function in PHP
How To Invoke a User Function? in PHP? 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: <?p... 2016-12-28, ∼2730🔥, 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.