php - MySQL REPLACE is not working if we store query into a variable -


this question has answer here:

my query this:

<?php $sql = "update macs_temp set home_page_heading='$home_page_heading', home_page_sub_heading='$home_page_sub_heading', home_page_description='$home_page_description', about_us_heading='$about_us_heading', about_us_description='$about_us_description', business_description='$business_description', we_do_description='$we_do_description', video_description='$video_description', photography_description='$photography_description', music_description='$music_description', web_and_app_description=replace($web_and_app_description, '\'', '') id=1";  if ($conn->query($sql) === true) { //    echo "record updated successfully"; header("location: index.php");    exit; } else {     echo "error updating record(contact system admin): " . $conn->error;     echo "inside else error..!"; } ?>

gives error as: error updating record(contact system admin): have error in sql syntax; check manual corresponds mysql server version right syntax use near ''j, '\'', '') id=1' @ line 1inside else error..!

note: form contains 11 field any/more of field may contains apostrophe, apostrophes want update data in mysql database.

try need enclose $web_and_app_description in '' can consider string

$sql = "update macs_temp set home_page_heading='$home_page_heading',  home_page_sub_heading='$home_page_sub_heading',  home_page_description='$home_page_description',  about_us_heading='$about_us_heading', about_us_description='$about_us_description',  business_description='$business_description',  we_do_description='$we_do_description', video_description='$video_description',  photography_description='$photography_description',  music_description='$music_description',  web_and_app_description=replace('$web_and_app_description', '\'', '')  id=1";

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