Question

How to find the second largest word in a string with PHP

Answer 1

function find_second_largest_word_in_string($s) {
    $words = explode(" ", $s);
    
    usort($words, function($a, $b) {
        return strlen($b) - strlen($a);
    });
    
    if (count($words) > 1) {
        return $words[1];
    } else {
        return null;
    }
}

$s = "c cpp cobol c# python php java";

$secondLongest = find_second_largest_word_in_string($s);

if ($secondLongest !== null) {
    echo "The second longest word is: " . $secondLongest . "\n";
} else {
    echo "No second longest word found.\n";
}


 
 
/*
run:
 
The second longest word is: cobol
 
*/

 

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