note 91255 deleted from function.str-replace by danbrown
| From: | danbrown@php.net | Date: | Tue, 02 Jun 2009 12:29:16 +0000 |
| Subject: | note 91255 deleted from function.str-replace by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-156282@lists.php.net to get a copy of this message | ||
Note Submitter: Salim (gmailalso at yahoo dot com)
----
<?php
//convertion text
$line = "Today's temperature is 28^0 C. 1.5E14 is a double value.";
$line .= " 1.5e14 also a double value. H2O, CO2";
if(ereg("H2O",$line))
$line=str_replace("H2O","H<sub>2</sub>O",$line);
if(ereg("CO2",$line))
$line=str_replace("CO2","CO<sub>2</sub>",$line);
if(ereg("[0-9]E[0-9]",$line) ||
ereg("[0-9]e[0-9]",$line) || ereg("^",$line))
{
$exponents = explode(" ",$line);
foreach($exponents as $exponent)
{
if(ereg("[0-9]E[0-9]",$exponent)) {
$exp = explode("E",$exponent);
$line=str_replace("$exp[0]E$exp[1]",
"$exp[0]x10<sup>$exp[1]</sup>",$line);
}
if(ereg("[0-9]e[0-9]",$exponent)) {
$exp = explode("e",$exponent);
$line=str_replace("$exp[0]e$exp[1]",
"$exp[0]x10<sup>$exp[1]</sup>",$line);
}
if(ereg("^",$exponent)) {
$exp = explode("^",$exponent);
$line=str_replace("$exp[0]^0","$exp[0]°",$line);
}
}
}
echo $line;
?>
Today's temperature is 28° C. 1.5x1014 is a double value. 1.5x1014 also a double value. H2O,
CO2