note 71066 deleted from function.str-replace by philip
| From: | philip@php.net | Date: | Mon, 26 Feb 2007 07:02:45 +0000 |
| Subject: | note 71066 deleted from function.str-replace by philip | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-123883@lists.php.net to get a copy of this message | ||
Note Submitter: mark0
----
I use this to invert a math formula.
$testFormula = "(a+2-3*i)/2";
$op =
array("+","-","*","/","++","--","**","//");
$iop =
array("++","--","**","//","-","+","/","*");
print($testFormula ." => ".str_replace($op,$iop,$testFormula ));
Output will be :
(a+2-3*i)/2 => (a-2+3/i)*2