Is it necessary to set an empty array variable before a for loop in PHP, or does it work fine without it?

It is not necessary to set an empty array variable before a for loop in PHP. If the array is defined and initialized within the loop, it will work fine without any issues. 

// Example of using a for loop without setting an empty array variable

for ($i = 0; $i < 5; $i++) {
    $myArray = array($i); // Array defined and initialized within the loop
    // Other operations with the array
}

Keywords

empty array for loop PHP variable declaration syntax

Related Questions