Mysql Update and Replace Syntax in PHP -

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i need eliminate character (") column in database. can in mysql command line following command:

mysql> update tname set colname=replace(colname, '"','');

and works perfectly. since need run in php, have used following syntax in php dosent work :

$sql0 = "update tname set colname=replace(colname,'"','')"; if (mysqli_query($conn, $sql0)) { $result0 = "unwanted character removed "; } else { $result0 = "error filtering failed: " . $sql . "<br>" .       mysqli_error($conn); }

any idea??

you have escape double quotes inside double-quoted strings.

$sql0 = "update tname set colname=replace(colname,'\"','')"; if (mysqli_query($conn, $sql0)) {   $result0 = "unwanted character removed "; } else {   $result0 = "error filtering failed: " . $sql . "<br>" . mysqli_error($conn); }

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