An included helper can keep shared labels in one place.

Shared Helpers

shared_helpers.php
<?php
$score = ;
include __DIR__ . "/score_helper.inc";
if ($score >= 90) {
    $label = $excellentLabel;
} elseif ($score >= 70) {
    $label = $steadyLabel;
} else {
    $label = $practiceLabel;
}

echo "score=" . $score . "\n";
echo "label=" . $label . "\n";
<?php
$score = ;
include __DIR__ . "/score_helper.inc";
if ($score >= 90) {
    $label = $excellentLabel;
} elseif ($score >= 70) {
    $label = $steadyLabel;
} else {
    $label = $practiceLabel;
}

echo "score=" . $score . "\n";
echo "label=" . $label . "\n";
<?php
$score = ;
include __DIR__ . "/score_helper.inc";
if ($score >= 90) {
    $label = $excellentLabel;
} elseif ($score >= 70) {
    $label = $steadyLabel;
} else {
    $label = $practiceLabel;
}

echo "score=" . $score . "\n";
echo "label=" . $label . "\n";
reusable labels The main file can combine local input with labels loaded from a helper.