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Division By Zero Php Error


We use cookies, just to track visits to our website, we store no personal details. Term for "professional" who doesn't make their living from that kind of work How old is Maz Kanata? Try $result === false instead. –Hubro Aug 11 '13 at 7:15 add a comment| up vote 0 down vote A string containing numbers and the mathematical operators + - * / Reflection of "Yada yada hi dharmasya..." in Durga Saptashati? his comment is here

Edit: First, I want to clarify something: the expression is built dynamically, so I can't just eval if the denominator is zero. It has not been set.Example code that will reproduce the error:PHP $var = 0; echo 12 / $var;12$var = 0;echo 12 / $var;If you run the code above, you'll be faced My home PC has been infected by a virus! function eval_expression($expression) { ob_start(); eval('echo (' . $expression . ');'); $result = ob_get_contents(); ob_end_clean(); if (strpos($result, 'Warning: Division by zero')!==false) { throw new Exception('Division by zero'); } else return (float)$result; } http://stackoverflow.com/questions/19456652/division-by-zero-error

Php Divide By Zero

Results 1 to 9 of 9 Thread: How do I avoid division by zero error? So... This is because our variable $var has been set to 0.Fortunately, this common warning can be avoided by carrying out some very basic checking. Why are so many metros underground?

This code won't work unless something is posted to it. but I'm lost on how I should write it. What do I do now? Sql Division By Zero share|improve this answer edited Oct 18 '13 at 18:40 answered Oct 18 '13 at 18:31 Amal Murali 48.7k106385 add a comment| up vote 0 down vote I have encountered a similar

Convert EURO to GBP (Sterling) using PHP Move a file with PHP. PHP: Cache SQL results on file system. Browse other questions tagged php divide-by-zero or ask your own question. this page Undefined, null, empty array, empty string, etc.

You don't need the echo there. –Rocket Hazmat Aug 23 '13 at 17:39 | show 8 more comments 7 Answers 7 active oldest votes up vote 2 down vote accepted You How To Solve Division By Zero In Php php exception divide-by-zero share|improve this question edited Mar 13 '14 at 19:01 Eric Leschinski 46.3k23221190 asked Jun 18 '10 at 15:41 Cristian 137k44297236 1 Can you check if $expression is Unfortunately, custom error handlers are a catch all, which means you'll also need to write some code to do something appropriate with all other errors. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Warning Division By Zero In Php

say you have two variables that you need to divide to find a certain percentage and one happens to be zero... It is mysql_real_escape_string that should be used instead. Php Divide By Zero In other languages, division by zero can lead to an exception that essentially kills the program. Php Division By Zero Exception the entries will be looked up on the database and then returned on the input field as the user types in.

PHP: Get last day of month. this content You could just automatically remove magic quotes. What do I do now? I have tried things like: eval("try{\$result = $expresion;}catch(Exception \$e){\$result = 0;}"); echo "The result is: $result"; Or: try{ eval("\$result = $expresion;"); } catch(Exception $e){ $result = 0; } echo "The result Perl Division By Zero

If you cannot disable magic quotes, you can strip the slashes from the variable instead. $queryString = $_POST['queryString']; if (get_magic_quotes_gpc()) { $queryString = stripslashes($querystring); } $queryString = mysql_real_escape_string($queryString); O'Brian - typed Why aren't Muggles extinct? Just a random thought. weblink And do all variables have a value? –putvande Aug 23 '13 at 17:35 2 @Chip - can you also add in a var_dump($_POST) so we can see what the incoming

Although this code may help to solve the problem, it doesn't explain why and/or how it answers the question. Php Suppress Division By Zero Warning What Was "A Lot of Money" In 1971? Much appreciated!! –Chip Aug 23 '13 at 17:49 yw at any time :) and please upvote if it helps so anyone can get benefit from it too :) –Ahmed

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You need to check if(isset($_POST['num1'])). –Rocket Hazmat Aug 23 '13 at 17:38 1 @Sumurai8: var_dump doesn't return anything, it echos for you. Is it a fallacy, and if so which, to believe we are special because our existence on Earth seems improbable? asked 2 years ago viewed 10214 times active 4 days ago Related 0PHP Division by Zero0Division by zero, php22Division by zero in Haskell3Division By Zero2PHP Warning: Division by zero0If division by Warning: Division By Zero Wordpress What Was "A Lot of Money" In 1971?

Reply With Quote 04-14-2006,06:21 AM #6 foxy View Profile View Forum Posts New to the CF scene Join Date Apr 2006 Posts 4 Thanks 0 Thanked 0 Times in 0 Posts How does an exponent work when it's less than one? Make sure $allcontent is being initialized and filled. http://darrenmanning.com/by-zero/division-by-zero-error-in-vba.html Why don't you connect unused hot and neutral wires to "complete the circuit"?

thanks in advance 0) { $sql = 'SELECT * FROM my table What is the next big step in Monero's future? this bit still doesn't work Please clarify Yes, absoutely. I figured an if statement would work...

i.e. Is there something wrong with the program? Example Input/Output: If the argument is "7 + 4*5" the output must be 27. Comments comments3SHARESFacebookTwitterRelated posts:Slow MySQLi connection Creating a "what's hot" algorithm with PHP and MySQL PHP: Error handling with cURL Avoiding undefined index / offset errors in PHP This entry was posted

thanks hm9 2010-08-07 17:38:42 UTC #4 Thanks.The addition of the quotes solved the problem $sql = "SELECT * FROM mytable WHERE destination LIKE '%$queryString%' LIMIT 10"; hm9 2010-08-12 12:02:48 UTC #5 If the argument is "55 + 21 * 11 - 6/0" the output must be "error" (As division by zero is not defined). Are these rows referring to records in a database? Is this your first visit?

What would happen if I created an account called 'root' How do I space quads evenly? empty($val2) && $val2 != 0){ $res = ( $val1 / $val2) * 100; // 1 digit after the decimal point $res = round($res, 1); // 66.7 echo "Success: "; echo $res; Not the answer you're looking for? The program must evaluate the value of the expression (as per BODMAS) and print the output.

this bit still doesn't work Please clarify hm9 2010-08-11 19:02:17 UTC #12 Thanks.