html - php variable in style (width) attribute -


i have php echo, , use variable width attribute avoid needing if statement. tried use code:

<?php echo variable; ?>

it didn't work.

here code:

echo "<div class='progress-bar progress-bar-success' role='progressbar' aria-valuenow='25' aria-valuemin='0' aria-valuemax='100' style='width: (variable)'>";

does work:

echo   "<div class='progress-bar progress-bar-success' role='progressbar' aria-valuenow='25' aria-valuemin='0' aria-valuemax='100' style='width: ".$variable."'>";

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