<animate attributeName="d" dur="4000ms" repeatCount="1" fill="freeze"
values="m0,-1l1200,0l0,192c-50.41666,-1.24999 -95.83335,1.24999 -146.25002,0l-153.74998,0c-50,-1.66666 -104.99998,0.41667 -154.99998,-1.24999l-145.00002,1.24999c-50,-1.66666 -114.99993,0.41667 -164.99993,-1.24999l-135.00007,2.49998c-50,-2.91665 -98.75,0.41667 -148.75,-2.49998l-151.25,1.24999l0,-192z;
m0,-1l1200,0l0,192c-50.41666,-1.24999 -97.08334,-57.49972 -147.50001,-58.74971l-152.49999,58.74971c-50,-1.66666 -102.49999,-57.08305 -152.49999,-58.74971l-147.50001,58.74971c-50,-1.66666 -106.24997,-48.33309 -156.24997,-49.99975l-143.75003,51.24974c-50,-2.91665 -95.00002,-57.08305 -145.00002,-59.9997l-154.99998,58.74971l0,-192z;
"/>
$class1 = "\" col-12 col-xl-4 col-lg-12 mb-xl-5 mb-5\"";
$class2 = "\"d-flex b-skills\"";
$description .= "<div id=details-2 class={$class1}><div class={$class2}>";
С двойными ковычками показывает ошибку в коде.
$description .= "<div id=details-2 class=\"col-12 col-xl-4 col-lg-12 mb-xl-5 mb-5\"><div class=\"d-flex b-skills\"><div class=\"height:70px;\"><div class=\"text-bold\">Текущая лига:</div> <div class=\"text-primary\"> ".$tiers[$_POST['currentTier']]."</div></div></div></div></br>";
к моменту старта nginx имеют разные состояния