- var_dump: documentation ( source)
- round: documentation ( source)
- ini_set: documentation ( source)
- json_encode: documentation ( source)
<?php
ini_set( "precision", 14 );
ini_set( "serialize_precision", -1 );
$r = ["e" => round((14984 / 83112), 4)*100];
var_dump($r);
echo json_encode($r);