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switch (PHP 4, PHP 5, PHP 7, PHP 8) The switch statement is similar to a series of IF statements on the same expression. In many occasions, you may want to compare the same variable (or expression) with many different values, and execute a different piece of code depending on which value it equals to.
- If
(PHP 4, PHP 5, PHP 7, PHP 8) The if construct is one of the...
- Foreach
(php 5 >= 5.5.0, php 7, php 8) It is possible to iterate...
- Anonymous
The first expression (expr1) is evaluated (executed) once...
- While
The meaning of a while statement is simple. It tells PHP to...
- Introduction
And there are additional PECL extensions that may or may not...
- Require once
require_once (PHP 4, PHP 5, PHP 7, PHP 8) The require_once...
- If
Use the switch statement to select one of many blocks of code to be executed. This is how it works:
22 sie 2010 · There isn't a built-in function. Use swap3() as mentioned below. As many mentioned, there are multiple ways to do this, most noticable are these 4 methods: // Warning: works correctly with numbers ONLY! $x ^= $y ^= $x ^= $y; list($x,$y) = array($y, $x); $tmp=$x; $x=$y; $y=$tmp; extract(array('x' => $y, 'y' => $x));
15 lut 2023 · Given a 2D array where each element is an array itself, your task is to switch the first element of each sub-array with the first element of the last sub-array using PHP. Example: Input: num = [ ['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i']];Output: [ ['g', 'b', 'c'], ['d', 'e', 'f'], ['a', 'h', 'i']]Using a Temporary VariableIn this approach,
You will learn how to use the PHP switch statement effectively to execute a code block by matching an expression with multiple values.
The switch statement in PHP can be treated as an alternative to a series of if…else statements on the same expression. Suppose you need to compare an expression or a variable with many different values and execute a different piece of code depending on which value it equals to.
In this tutorial you will learn how to use the switch-case statement to test or evaluate an expression with different values in PHP. The switch-case statement is an alternative to the if-elseif-else statement, which does almost the same thing.
