https://www.w3schools.com › php › php_if_else.asp
PHP if Statements - W3SchoolsYou can use conditional statements in your code to do this. In PHP we have the following conditional statements: if statement - executes some code if one condition is true. if...else statement - executes some code if a condition is true and another code if that condition is false.
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PHP User Defined Functions. Besides the built-in PHP functions, it is possible to create your own functions. A function is a block of statements that can be used repeatedly in a program. A function will not execute automatically when a page loads. A function will be executed by a call to the function.
https://www.php.net › manual › fr › control-structures.elseif.php
PHP: elseif/else if - Manualelseif/else if. ¶. (PHP 4, PHP 5, PHP 7, PHP 8) elseif, comme son nom l'indique, est une combinaison de if et de else. Comme l'expression else, il permet d'exécuter une instruction après un if dans le cas où le "premier" if est évalué comme false.
https://www.pierre-giraud.com › php-mysql-apprendre-coder-cours › condition-if-else
Les conditions if, if…else et if…elseif…else PHP - Pierre GiraudLa condition if…elseif…else en PHP. La condition if…elseif…else (« si…sinon si…sinon ») est une structure conditionnelle encore plus complète que la condition if…else puisqu’elle va nous permettre cette fois-ci de générer autant de cas que l’on souhaite.
https://www.php.net › manual › en › control-structures.elseif
PHP: elseif/else if - Manualelseif/else if. ¶. (PHP 4, PHP 5, PHP 7, PHP 8) elseif, as its name suggests, is a combination of if and else. Like else, it extends an if statement to execute a different statement in case the original if expression evaluates to false.
https://www.phptutorial.net › php-tutorial › php-if-elseif
PHP if elseif - PHP TutorialPHP if elseif. Summary: in this tutorial, you’ll learn about the PHP if elseif statement to execute code blocks based on multiple boolean expressions. Introduction to the PHP if elseif statement. The if statement evaluates an expression and executes a code block if the expression is true: <?php if (expression) { statement;
https://www.php.net › manual › fr › control-structures.if.php
PHP: if - ManualL'instruction if est une des plus importantes instructions de tous les langages, PHP inclus. Elle permet l'exécution conditionnelle d'une partie de code. Les fonctionnalités de l'instruction if sont les mêmes en PHP qu'en C : if (expression) commandes.
https://www.phptutorial.net › php-tutorial › php-if-else
An Essential Guide to the PHP if-else Statement By ExamplesThe following flowchart illustrates how the PHP if-else statement works: The following example uses the if...else statement to show a message based on the value of the $is_authenticated variable: <?php $is_authenticated = false ; if ( $is_authenticated ) { echo 'Welcome!' ; } else { echo 'You are not authorized to access this page.'
https://www.tutorialrepublic.com › php-tutorial › php-if-else-statements.php
PHP If, Else and Elseif Conditional Statements - Tutorial RepublicThe if...else statement allows you to execute one block of code if the specified condition is evaluates to true and another block of code if it is evaluates to false. It can be written, like this: if (condition) { // Code to be executed if condition is true. } else { // Code to be executed if condition is false. }
https://www.phptutorial.net › php-tutorial › php-if
An Essential Guide to PHP if Statement with Best Practices - PHP TutorialThe if statement executes a statement if a condition evaluates to true. Always use curly braces even if you have a single statement to execute in the if statement. It makes the code more obvious. Do use the pattern if ( value == $variable_name ) {} to avoid possible mistakes.
https://www.w3schools.in › php › decision-making › if-else
PHP if else statement - W3SchoolsPHP if statement is used to execute some code, if a condition is evaluated to true otherwise if the condition is evaluated to false, execute nothing, or execute some other code.
