How to get useful error messages in mysql query in php? [duplicate]How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_resultI cant understand why none of the data is getting inserted into the databasei'm trying to insert values to the table in my db, but there is something goes wrong, insertion query does not workHow do I fix this nested if statement?PHP does not insert data into a tableFirst query works, but the second doesn't and I've tried everythingTrying to insert the data in database using angular js but failed to do soHow do I get data from hardware from nodemcu and save it to database in raspberry pi?Tested with values and it works, but when I put variables it won't wordHow do I update MySQL data with a PHP/HTML form?How can I prevent SQL injection in PHP?How can I get useful error messages in PHP?How do I get PHP errors to display?How do I get a YouTube video thumbnail from the YouTube API?How to get the client IP address in PHPHow do you parse and process HTML/XML in PHP?Get the full URL in PHPHow to fix “Headers already sent” error in PHPHow does PHP 'foreach' actually work?Reference - What does this error mean in PHP?

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How to get useful error messages in mysql query in php? [duplicate]


How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_resultI cant understand why none of the data is getting inserted into the databasei'm trying to insert values to the table in my db, but there is something goes wrong, insertion query does not workHow do I fix this nested if statement?PHP does not insert data into a tableFirst query works, but the second doesn't and I've tried everythingTrying to insert the data in database using angular js but failed to do soHow do I get data from hardware from nodemcu and save it to database in raspberry pi?Tested with values and it works, but when I put variables it won't wordHow do I update MySQL data with a PHP/HTML form?How can I prevent SQL injection in PHP?How can I get useful error messages in PHP?How do I get PHP errors to display?How do I get a YouTube video thumbnail from the YouTube API?How to get the client IP address in PHPHow do you parse and process HTML/XML in PHP?Get the full URL in PHPHow to fix “Headers already sent” error in PHPHow does PHP 'foreach' actually work?Reference - What does this error mean in PHP?






.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;








-2
















This question already has an answer here:



  • How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_result

    1 answer



HTML code



<form class="col s6 " method="post" enctype="multipart/form-data">
<div class="input-field col s12">
<input id="last_name" type="text" name="name" class="validate">
<label for="last_name">Certificate Name</label>
</div>
<button type="submit" id="btnSubmit" name="btnSubmit" class="btn btn-default" style="margin-top:20px;">ADD</button>
</form>


PHP code



<?php
include('footer.php');

include('conn.php');
if(isset($_POST['btnSubmit']))

$name = mysqli_real_escape_string($conn,$_POST["name"]);

$sql = "INSERT INTO `isodetail`(`title`) VALUES ('$name')";

$run = mysqli_query($conn, $sql);

if($run)

echo "<script>alert('Certi Added Successfully')</script>";
echo "<script>window.open('isocerti.php','_self')</script>";

else

echo "<script>alert('Something Error!..please try Again..')</script>";



?>


This shows an alert message saying Something Error!..please try Again..
so is it mysqli_query that has a mistake?










share|improve this question















marked as duplicate by Your Common Sense php
Users with the  php badge can single-handedly close php questions as duplicates and reopen them as needed.

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Apr 6 at 15:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.


















  • Use the mysqli_error function: php.net/manual/en/mysqli.error.php Example: echo mysqli_error($conn);

    – Steven
    Jan 16 '18 at 6:36












  • it doesnt show any errors

    – Archi Patel
    Jan 16 '18 at 6:50











  • @Sandra read about variable parsing in strings. That code is correct as it is now.

    – axiac
    Jan 16 '18 at 7:05












  • Related: how-to-get-mysqli-error-information-in-different-environments

    – Paul Spiegel
    Apr 2 at 17:17


















-2
















This question already has an answer here:



  • How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_result

    1 answer



HTML code



<form class="col s6 " method="post" enctype="multipart/form-data">
<div class="input-field col s12">
<input id="last_name" type="text" name="name" class="validate">
<label for="last_name">Certificate Name</label>
</div>
<button type="submit" id="btnSubmit" name="btnSubmit" class="btn btn-default" style="margin-top:20px;">ADD</button>
</form>


PHP code



<?php
include('footer.php');

include('conn.php');
if(isset($_POST['btnSubmit']))

$name = mysqli_real_escape_string($conn,$_POST["name"]);

$sql = "INSERT INTO `isodetail`(`title`) VALUES ('$name')";

$run = mysqli_query($conn, $sql);

if($run)

echo "<script>alert('Certi Added Successfully')</script>";
echo "<script>window.open('isocerti.php','_self')</script>";

else

echo "<script>alert('Something Error!..please try Again..')</script>";



?>


This shows an alert message saying Something Error!..please try Again..
so is it mysqli_query that has a mistake?










share|improve this question















marked as duplicate by Your Common Sense php
Users with the  php badge can single-handedly close php questions as duplicates and reopen them as needed.

StackExchange.ready(function()
if (StackExchange.options.isMobile) return;

$('.dupe-hammer-message-hover:not(.hover-bound)').each(function()
var $hover = $(this).addClass('hover-bound'),
$msg = $hover.siblings('.dupe-hammer-message');

$hover.hover(
function()
$hover.showInfoMessage('',
messageElement: $msg.clone().show(),
transient: false,
position: my: 'bottom left', at: 'top center', offsetTop: -7 ,
dismissable: false,
relativeToBody: true
);
,
function()
StackExchange.helpers.removeMessages();

);
);
);
Apr 6 at 15:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.


















  • Use the mysqli_error function: php.net/manual/en/mysqli.error.php Example: echo mysqli_error($conn);

    – Steven
    Jan 16 '18 at 6:36












  • it doesnt show any errors

    – Archi Patel
    Jan 16 '18 at 6:50











  • @Sandra read about variable parsing in strings. That code is correct as it is now.

    – axiac
    Jan 16 '18 at 7:05












  • Related: how-to-get-mysqli-error-information-in-different-environments

    – Paul Spiegel
    Apr 2 at 17:17














-2












-2








-2


0







This question already has an answer here:



  • How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_result

    1 answer



HTML code



<form class="col s6 " method="post" enctype="multipart/form-data">
<div class="input-field col s12">
<input id="last_name" type="text" name="name" class="validate">
<label for="last_name">Certificate Name</label>
</div>
<button type="submit" id="btnSubmit" name="btnSubmit" class="btn btn-default" style="margin-top:20px;">ADD</button>
</form>


PHP code



<?php
include('footer.php');

include('conn.php');
if(isset($_POST['btnSubmit']))

$name = mysqli_real_escape_string($conn,$_POST["name"]);

$sql = "INSERT INTO `isodetail`(`title`) VALUES ('$name')";

$run = mysqli_query($conn, $sql);

if($run)

echo "<script>alert('Certi Added Successfully')</script>";
echo "<script>window.open('isocerti.php','_self')</script>";

else

echo "<script>alert('Something Error!..please try Again..')</script>";



?>


This shows an alert message saying Something Error!..please try Again..
so is it mysqli_query that has a mistake?










share|improve this question

















This question already has an answer here:



  • How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_result

    1 answer



HTML code



<form class="col s6 " method="post" enctype="multipart/form-data">
<div class="input-field col s12">
<input id="last_name" type="text" name="name" class="validate">
<label for="last_name">Certificate Name</label>
</div>
<button type="submit" id="btnSubmit" name="btnSubmit" class="btn btn-default" style="margin-top:20px;">ADD</button>
</form>


PHP code



<?php
include('footer.php');

include('conn.php');
if(isset($_POST['btnSubmit']))

$name = mysqli_real_escape_string($conn,$_POST["name"]);

$sql = "INSERT INTO `isodetail`(`title`) VALUES ('$name')";

$run = mysqli_query($conn, $sql);

if($run)

echo "<script>alert('Certi Added Successfully')</script>";
echo "<script>window.open('isocerti.php','_self')</script>";

else

echo "<script>alert('Something Error!..please try Again..')</script>";



?>


This shows an alert message saying Something Error!..please try Again..
so is it mysqli_query that has a mistake?





This question already has an answer here:



  • How to get MySQLi error information in different environments? / mysqli_fetch_assoc() expects parameter 1 to be mysqli_result

    1 answer







php






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Jan 16 '18 at 6:54









Jeff

10.3k5 gold badges26 silver badges51 bronze badges




10.3k5 gold badges26 silver badges51 bronze badges










asked Jan 16 '18 at 6:25









Archi PatelArchi Patel

3711 bronze badges




3711 bronze badges




marked as duplicate by Your Common Sense php
Users with the  php badge can single-handedly close php questions as duplicates and reopen them as needed.

StackExchange.ready(function()
if (StackExchange.options.isMobile) return;

$('.dupe-hammer-message-hover:not(.hover-bound)').each(function()
var $hover = $(this).addClass('hover-bound'),
$msg = $hover.siblings('.dupe-hammer-message');

$hover.hover(
function()
$hover.showInfoMessage('',
messageElement: $msg.clone().show(),
transient: false,
position: my: 'bottom left', at: 'top center', offsetTop: -7 ,
dismissable: false,
relativeToBody: true
);
,
function()
StackExchange.helpers.removeMessages();

);
);
);
Apr 6 at 15:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.









marked as duplicate by Your Common Sense php
Users with the  php badge can single-handedly close php questions as duplicates and reopen them as needed.

StackExchange.ready(function()
if (StackExchange.options.isMobile) return;

$('.dupe-hammer-message-hover:not(.hover-bound)').each(function()
var $hover = $(this).addClass('hover-bound'),
$msg = $hover.siblings('.dupe-hammer-message');

$hover.hover(
function()
$hover.showInfoMessage('',
messageElement: $msg.clone().show(),
transient: false,
position: my: 'bottom left', at: 'top center', offsetTop: -7 ,
dismissable: false,
relativeToBody: true
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function()
StackExchange.helpers.removeMessages();

);
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);
Apr 6 at 15:55


This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.














  • Use the mysqli_error function: php.net/manual/en/mysqli.error.php Example: echo mysqli_error($conn);

    – Steven
    Jan 16 '18 at 6:36












  • it doesnt show any errors

    – Archi Patel
    Jan 16 '18 at 6:50











  • @Sandra read about variable parsing in strings. That code is correct as it is now.

    – axiac
    Jan 16 '18 at 7:05












  • Related: how-to-get-mysqli-error-information-in-different-environments

    – Paul Spiegel
    Apr 2 at 17:17


















  • Use the mysqli_error function: php.net/manual/en/mysqli.error.php Example: echo mysqli_error($conn);

    – Steven
    Jan 16 '18 at 6:36












  • it doesnt show any errors

    – Archi Patel
    Jan 16 '18 at 6:50











  • @Sandra read about variable parsing in strings. That code is correct as it is now.

    – axiac
    Jan 16 '18 at 7:05












  • Related: how-to-get-mysqli-error-information-in-different-environments

    – Paul Spiegel
    Apr 2 at 17:17

















Use the mysqli_error function: php.net/manual/en/mysqli.error.php Example: echo mysqli_error($conn);

– Steven
Jan 16 '18 at 6:36






Use the mysqli_error function: php.net/manual/en/mysqli.error.php Example: echo mysqli_error($conn);

– Steven
Jan 16 '18 at 6:36














it doesnt show any errors

– Archi Patel
Jan 16 '18 at 6:50





it doesnt show any errors

– Archi Patel
Jan 16 '18 at 6:50













@Sandra read about variable parsing in strings. That code is correct as it is now.

– axiac
Jan 16 '18 at 7:05






@Sandra read about variable parsing in strings. That code is correct as it is now.

– axiac
Jan 16 '18 at 7:05














Related: how-to-get-mysqli-error-information-in-different-environments

– Paul Spiegel
Apr 2 at 17:17






Related: how-to-get-mysqli-error-information-in-different-environments

– Paul Spiegel
Apr 2 at 17:17













1 Answer
1






active

oldest

votes


















-1














In the else-block you can see, how you can catch up MySQL-errors and display them in an alert.



if(isset($_POST['btnSubmit'])) 
$name = mysqli_real_escape_string($conn,$_POST["name"]);
$sql = "INSERT INTO isodetail(title) VALUES ('$name')";
$run = mysqli_query($conn, $sql);

if($run)
echo "<script>alert('Certi Added Successfully');window.open('isocerti.php','_self');</script>";
else
$error = addslashes(mysqli_error($conn));
echo "<script>alert('An Error occur: $error');</script>";




References:
MySQLi-Error: http://php.net/manual/en/mysqli.error.php

Escape special characters: http://php.net/manual/en/function.addslashes.php (it does the job for this example)






share|improve this answer























  • @ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

    – Steven
    Jan 16 '18 at 7:29












  • yes i got this ...Thank you so much.

    – Archi Patel
    Jan 16 '18 at 7:36














1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









-1














In the else-block you can see, how you can catch up MySQL-errors and display them in an alert.



if(isset($_POST['btnSubmit'])) 
$name = mysqli_real_escape_string($conn,$_POST["name"]);
$sql = "INSERT INTO isodetail(title) VALUES ('$name')";
$run = mysqli_query($conn, $sql);

if($run)
echo "<script>alert('Certi Added Successfully');window.open('isocerti.php','_self');</script>";
else
$error = addslashes(mysqli_error($conn));
echo "<script>alert('An Error occur: $error');</script>";




References:
MySQLi-Error: http://php.net/manual/en/mysqli.error.php

Escape special characters: http://php.net/manual/en/function.addslashes.php (it does the job for this example)






share|improve this answer























  • @ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

    – Steven
    Jan 16 '18 at 7:29












  • yes i got this ...Thank you so much.

    – Archi Patel
    Jan 16 '18 at 7:36















-1














In the else-block you can see, how you can catch up MySQL-errors and display them in an alert.



if(isset($_POST['btnSubmit'])) 
$name = mysqli_real_escape_string($conn,$_POST["name"]);
$sql = "INSERT INTO isodetail(title) VALUES ('$name')";
$run = mysqli_query($conn, $sql);

if($run)
echo "<script>alert('Certi Added Successfully');window.open('isocerti.php','_self');</script>";
else
$error = addslashes(mysqli_error($conn));
echo "<script>alert('An Error occur: $error');</script>";




References:
MySQLi-Error: http://php.net/manual/en/mysqli.error.php

Escape special characters: http://php.net/manual/en/function.addslashes.php (it does the job for this example)






share|improve this answer























  • @ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

    – Steven
    Jan 16 '18 at 7:29












  • yes i got this ...Thank you so much.

    – Archi Patel
    Jan 16 '18 at 7:36













-1












-1








-1







In the else-block you can see, how you can catch up MySQL-errors and display them in an alert.



if(isset($_POST['btnSubmit'])) 
$name = mysqli_real_escape_string($conn,$_POST["name"]);
$sql = "INSERT INTO isodetail(title) VALUES ('$name')";
$run = mysqli_query($conn, $sql);

if($run)
echo "<script>alert('Certi Added Successfully');window.open('isocerti.php','_self');</script>";
else
$error = addslashes(mysqli_error($conn));
echo "<script>alert('An Error occur: $error');</script>";




References:
MySQLi-Error: http://php.net/manual/en/mysqli.error.php

Escape special characters: http://php.net/manual/en/function.addslashes.php (it does the job for this example)






share|improve this answer













In the else-block you can see, how you can catch up MySQL-errors and display them in an alert.



if(isset($_POST['btnSubmit'])) 
$name = mysqli_real_escape_string($conn,$_POST["name"]);
$sql = "INSERT INTO isodetail(title) VALUES ('$name')";
$run = mysqli_query($conn, $sql);

if($run)
echo "<script>alert('Certi Added Successfully');window.open('isocerti.php','_self');</script>";
else
$error = addslashes(mysqli_error($conn));
echo "<script>alert('An Error occur: $error');</script>";




References:
MySQLi-Error: http://php.net/manual/en/mysqli.error.php

Escape special characters: http://php.net/manual/en/function.addslashes.php (it does the job for this example)







share|improve this answer












share|improve this answer



share|improve this answer










answered Jan 16 '18 at 7:01









StevenSteven

3792 silver badges10 bronze badges




3792 silver badges10 bronze badges












  • @ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

    – Steven
    Jan 16 '18 at 7:29












  • yes i got this ...Thank you so much.

    – Archi Patel
    Jan 16 '18 at 7:36

















  • @ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

    – Steven
    Jan 16 '18 at 7:29












  • yes i got this ...Thank you so much.

    – Archi Patel
    Jan 16 '18 at 7:36
















@ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

– Steven
Jan 16 '18 at 7:29






@ArchiPatel So you have your correct error, now you can start debug it. My first idea will be: INSERT isodetail(title, name) VALUES ('$name', '') but that's just a guess without knowledge about your database structure.

– Steven
Jan 16 '18 at 7:29














yes i got this ...Thank you so much.

– Archi Patel
Jan 16 '18 at 7:36





yes i got this ...Thank you so much.

– Archi Patel
Jan 16 '18 at 7:36








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