test.php
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	• bzimport
	Nov 21 2014, 10:07 PM

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test.php
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	<?php

	function wiki_number_format( $value ) {

	preg_match( '/
	(?P<whole>\d?[\d,])\.?(?P<decimal>\d?[\d ])\s*
	(?:$(?P<uncertainty>\d+)$)?\s*
	(?:\(?P<base>\d+)\^(?P<exponent>\d+))?\s
	(?P<unit>\w*)
	/x', $value, $matches );
	# Cleanup if needed
	$matches['whole'] = str_replace( ',', '', $matches['whole'] );
	$matches['decimal'] = str_replace( ' ', '', $matches['decimal'] );

	# Chopping up
	$whole = str_split( $matches['whole'], 3 );
	$matches['whole'] = implode( ',', $whole );
	$decimal = str_split( $matches['decimal'], 3 );
	if( count( $decimal ) >= 2 && strlen ( end( $decimal ) ) == 1 ) {
	$last = array_pop( $decimal );
	$second_last = array_pop( $decimal );
	$decimal[] = $second_last . $last;
	}
	$result = $matches['whole'];
	if( $decimal[0] != '' ) {
	if( count( $decimal ) == 1 ) {
	$tmp_decimal = $decimal[0];
	} else {
	$last_decimals = array_splice( $decimal, 1 );
	$tmp_decimal = implode( '', array_map( create_function( '$a', 'return "<span style=\"margin-left:0.25em\">$a</span>";' ) , $last_decimals ) );
	$tmp_decimal = $decimal[0] . $tmp_decimal;
	}
	$result .= ".$tmp_decimal";
	}
	if( $matches['uncertainty'] ) {
	$result .= "($matches[uncertainty])";
	}
	if( $matches['base'] ) {
	$result .= " × $matches[base]<sup>$matches[exponent]</sup>";
	}
	if( $matches['unit'] ) {
	$result .= " $matches[unit]";
	}
	return $result;
	}
	?>