How to fix "headers already sent" error in php

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How many functions are there in php?

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Explain the difference between require() and require_once()?

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What does csrf token mismatch mean?

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Does php need a closing tag?

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Why echo is faster than print in php?

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What is difference between session and cookies in php?

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hi..this is kumar...how m,uch time req for php preparation?is any coaching avaiable in vizag for php?

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Write a program to get lcm of two numbers using php?

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<?php include ("db.php"); $result = mysql_query("SELECT ques_id FROM questionbank order by ques_id limit 5 "); while($obj=mysql_fetch_array($result)) { $ad1[$obj['ques_id']]++;//Used an array and inserted the database query results into it. } $rand_keys=array_rand($ad1,1); //Did a random array function echo "First random id = ".$ad1[$rand_keys[0]]; echo "<br>Second random id = ".$ad1[$rand_keys[1]]; ?> <!--Its not working. Have any solution for this. -->

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Can we use include (?abc.PHP?) two times in a PHP page ?makeit.PHP??

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What is the meaning of php?

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