What is the significance of the line "if($r && !$d && !$u && !$A)" in the provided PHP script?

The significance of the line "if($r && !$d && !$u && !$A)" in the provided PHP script is that it checks if the variables $r is true and $d, $u, $A are all false. This condition is likely used to determine a specific scenario or condition within the script. 

// Check if $r is true and $d, $u, $A are all false
if($r && !$d && !$u && !$A) {
    // Add your code here for the specific scenario or condition
}

Keywords

PHP conditional statement logical operators boolean variables code significance

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