Online PHP editor | output for 9IY29

@ 2014-10-31T23:36:25Z

<?php
echo whole_fraction(23.54);


function whole_fraction($decimal){

    $big_fraction = float2rat($decimal);
    $num_array = explode('/', $big_fraction);
	$numerator = $num_array[0];
	$denomenator = $num_array[1];
    $whole_number = floor($numerator/$denominator);
    $numerator = $numerator % $denomenator;
    $fraction = $whole_number . ' ' . $numerator . '/' . $denomenator;
}

function float2rat($n, $tolerance = 1.e-6) {
    $h1=1; $h2=0;
    $k1=0; $k2=1;
    $b = 1/$n;
    do {
        $b = 1/$b;
        $a = floor($b);
        $aux = $h1; $h1 = $a*$h1+$h2; $h2 = $aux;
        $aux = $k1; $k1 = $a*$k1+$k2; $k2 = $aux;
        $b = $b-$a;
    } while (abs($n-$h1/$k1) > $n*$tolerance);

    return "$h1/$k1";
}

Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6: Warning: Undefined variable $denominator in /in/9IY29 on line 11 Fatal error: Uncaught DivisionByZeroError: Division by zero in /in/9IY29:11 Stack trace: #0 /in/9IY29(2): whole_fraction(23.54) #1 {main} thrown in /in/9IY29 on line 11
Process exited with code 255.
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33: Notice: Undefined variable: denominator in /in/9IY29 on line 11 Warning: Division by zero in /in/9IY29 on line 11
Output for 7.3.32 - 7.3.33: Warning: Division by zero in /in/9IY29 on line 11
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3: Notice: Undefined variable: denominator in /in/9IY29 on line 11 Warning: Division by zero in /in/9IY29 on line 11

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