Data Type Php

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  4. Addition of two floating-point variables compared to a variable can lead to an unexpected result
    $a=50.3; 
    $b=50.4; 
    $c=100.7; 
    
    if ($a + $b == $c) { 
        echo "$a + $b == $c\n"; 
    } 
    else { 
        echo "$a + $b != $c\n"; 
    }
?>