PHP Decimal Place Handling
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The goal here is to show the different method for dealing with decimal places on a floating number.
<?php
// Example
$float = '100.12345';
// Round
echo round($float, 2);
// Floor with floor()
echo floor($float * 100) * 0.01;
// Floor by INT casting
echo (int)($float * 100) * 0.01;
// Ceiling with ceil()
echo ceil($float * 100) * 0.01;
// Trim using sprintf()
echo sprintf("%.2f", $float);
// Trim using number_format()
echo number_format($float, 2, '', '.');
?>
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