<?php ini_set('precision', 20); for ($num = 74.30; $num < 74.41; $num += .01) { var_export(sprintf("$num => %.02f", ceil($num * 20) / 20)); // see '74.35 => £74.40' echo "\n"; } echo "---\n"; var_export(sprintf("74.35 => %.02f", ceil(74.35 * 20) / 20)); // see '74.35 => £74.35'
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