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The PHP switch Statement. Use the switch statement to select one of many blocks of code to be executed. Syntax. switch (expression) { case label1: //code block break; case label2: //code block; break; case label3: //code block break; default: //code block } This is how it works: The expression is evaluated once.
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PHP Loops. Often when you write code, you want the same...
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In a switch statement, the condition is evaluated only once and the result is compared to each case statement. In an elseif statement, the condition is evaluated again. If your condition is more complicated than a simple compare and/or is in a tight loop, a switch may be faster.
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,
The switch statement compares an expression with the value in each case. If the expression equals a value in a case, e.g., value1, PHP executes the code block in the matching case until it encounters the first break statement.
Switch statement with conditions. switch(true) { case ($car == "Audi" || $car == "Mercedes"): echo "German cars are amazing"; break; case ($car == "Jaguar"): echo "Jaguar is the best"; break; default: echo "$car is Ok"; }
10 gru 2023 · A switch statement is a control structure in PHP that allows you to execute different code blocks based on the value of a specified expression. It works like multiple if-else statements and can make your code more readable and efficient.
In this tutorial you will learn how to use the switch-case statement to test or evaluate an expression with different values in PHP. PHP If…Else Vs Switch…Case. The switch-case statement is an alternative to the if-elseif-else statement, which does almost the same thing.
