What is the correct syntax of if…else if in PHP?
if…else statement – executes some code if a condition is true and another code if that condition is false. if…elseif…else statement – executes different codes for more than two conditions. switch statement – selects one of many blocks of code to be executed.
What is PHP alternative syntax?
PHP offers an alternative syntax for some of its control structures; namely, if , while , for , foreach , and switch . In each case, the basic form of the alternate syntax is to change the opening brace to a colon (:) and the closing brace to endif; , endwhile; , endfor; , endforeach; , or endswitch; , respectively.
Is there else if in PHP?
The if…else Statement in PHP The else statement allows you to perform a task if your if condition returned false . This conditional statement is useful when you want code to be executed if your if statement condition isn’t met. Below is an example of a typical if…else statement when written in a PHP script.
How do I use endif in PHP?
The endif keyword is used to mark the end of an if conditional which was started with the if(…): syntax. It also applies to any variation of the if conditional, such as if… elseif and if…else .
What is the if…else statement syntax?
The if/else statement executes a block of code if a specified condition is true. If the condition is false, another block of code can be executed. The if/else statement is a part of JavaScript’s “Conditional” Statements, which are used to perform different actions based on different conditions.
What is nested if…else statement in PHP?
PHP Nested IF Statements Just like most other programming languages, PHP also allows nested IF statements. This means that you can have multiple conditions within another condition, such as IF…ELSE statement within an IF block.
What does endif mean in pseudocode?
The endif command is used to terminate a multiple line if command. The command can either be specified as a single word, ‘endif’ or as two separate words, ‘end if’.
What does colon mean in PHP?
Scope Resolution Operator
Introduction. In PHP, the double colon :: is defined as Scope Resolution Operator. It used when when we want to access constants, properties and methods defined at class level. When referring to these items outside class definition, name of class is used along with scope resolution operator.
How do you use Elseif?
Use if to specify a block of code to be executed, if a specified condition is true. Use else to specify a block of code to be executed, if the same condition is false. Use else if to specify a new condition to test, if the first condition is false. Use switch to specify many alternative blocks of code to be executed.
How do you write codes without an if statement?
i.e. you could just as easily write bool isSmall = i < 10; – it’s this that avoids the if statement, not the separate function. Code of the form if (test) { x = true; } else { x = false; } or if (test) { return true; } else { return false; } is always silly; just use x = test or return test .
Which statement will have function like if-then-else and they are alternative?
IF-THEN-ELSIF Statement. The IF-THEN-ELSIF statement is mainly used where one alternative should be chosen from a set of alternatives, where each alternative has its own conditions to be satisfied.
What is #if and #endif?
The #if directive, with the #elif, #else, and #endif directives, controls compilation of portions of a source file. If the expression you write (after the #if) has a nonzero value, the line group immediately following the #if directive is kept in the translation unit.
What does $$ do in PHP?
What does $$ (dollar dollar or double dollar) means in PHP? The $x (single dollar) is the normal variable with the name x that stores any value like string, integer, float, etc. The $$x (double dollar) is a reference variable that stores the value which can be accessed by using the $ symbol before the $x value.
What is the if-else statement in PHP?
PHP – The if…else Statement The if…else statement executes some code if a condition is true and another code if that condition is false.
Can I use ElseIf and else in the same control block?
The following is an if structure with elseif and else in the alternative format: echo “…”; echo “!!!”; Mixing syntaxes in the same control block is not supported. Any output (including whitespace) between a switch statement and the first case will result in a syntax error.
What is the difference between if and IF-ELSE statements in C++?
The if statement executes some code if one condition is true. Output “Have a good day!” if the current time (HOUR) is less than 20: echo “Have a good day!”; The if…else statement executes some code if a condition is true and another code if that condition is false.