What are the differences between using <> and != operators for string comparison in PHP?

When comparing strings in PHP, the <> operator and the != operator both check for inequality. However, the <> operator is an alias of != and they are interchangeable. It is a matter of personal preference which one to use, as they have the same functionality. 

$string1 = &quot;hello&quot;;
$string2 = &quot;world&quot;;

if ($string1 &lt;&gt; $string2) {
    echo &quot;The strings are not equal&quot;;
} else {
    echo &quot;The strings are equal&quot;;
}

Keywords

PHP string comparison operators <> operator != operator

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