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How to change a n value for a value like X
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I have a webpage for homework. Students fill in the boxes, then click send to send the form.
My php thankyou file gets the answers and sends to my email. I download the emails and use Python to check each answer against the correct answer, line for line using readlines().
This morning I noticed, one student missed the first part, 1 to 5 'choose the right word from the table.' They should just enter a letter, A to E, in each textbox, G1 to G5. The email sent by php then contains 5 empty lines, n, where the answers should be.
Because students often press enter in strange places, I run a Python script to get rid of empty lines in the emails after downloading.
So I would like to get php to put say X if a textbox is empty, before it sends the email.
The first part of the thankyou.php looks like this:
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
What I would like to do in php is something along the lines of:
for i in range(1, 6):
answer = $q + str(i)
if answer = '':
answer = 'X'
but that would be Python. What is the right way to do this in php?
I think this should be done after collecting all the $qs in the php script, but before making the body of the email:
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
";
Very grateful for any tips!
Edit: this is an actual thankyou.php with the loop to change '' for X, but all I get now in the email is: Studentnr = 1725010999, nothing else. How to tweak this? I just entered the student number and left all other boxes empty, so I was expecting a lot of Xs. I am not getting any errors in the error log of my php directory on the webpage host. Maybe a ; missing somewhere?
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
$q6 = $_POST['G6'];
$q7 = $_POST['G7'];
$q8 = $_POST['G8'];
$q9 = $_POST['G9'];
$q10 = $_POST['G10'];
$q11 = $_POST['G11'];
$q12 = $_POST['G12'];
$q13 = $_POST['G13'];
$q14 = $_POST['G14'];
$q15 = $_POST['G15'];
$q16 = $_POST['G16'];
$q17 = $_POST['G17'];
$q18 = $_POST['G18'];
for ($i=1; $i <= 18; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
".$q6."
".$q7."
".$q8."
".$q9."
".$q10."
".$q11."
".$q12."
".$q13."
".$q14."
".$q15."
".$q16."
".$q17."
".$q18."
";
$to1 = "myemail@foxmail.com";
$subject = $studentnr . "sWeek1";
$headers = "From: peter@mypage.comrn";
$headers .= 'Content-Type: text/plain; charset=utf-8';
mail($to1, $subject, $body, $headers);
header("Location: email_success.php");
?>
Any more tips please?
php
add a comment |
I have a webpage for homework. Students fill in the boxes, then click send to send the form.
My php thankyou file gets the answers and sends to my email. I download the emails and use Python to check each answer against the correct answer, line for line using readlines().
This morning I noticed, one student missed the first part, 1 to 5 'choose the right word from the table.' They should just enter a letter, A to E, in each textbox, G1 to G5. The email sent by php then contains 5 empty lines, n, where the answers should be.
Because students often press enter in strange places, I run a Python script to get rid of empty lines in the emails after downloading.
So I would like to get php to put say X if a textbox is empty, before it sends the email.
The first part of the thankyou.php looks like this:
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
What I would like to do in php is something along the lines of:
for i in range(1, 6):
answer = $q + str(i)
if answer = '':
answer = 'X'
but that would be Python. What is the right way to do this in php?
I think this should be done after collecting all the $qs in the php script, but before making the body of the email:
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
";
Very grateful for any tips!
Edit: this is an actual thankyou.php with the loop to change '' for X, but all I get now in the email is: Studentnr = 1725010999, nothing else. How to tweak this? I just entered the student number and left all other boxes empty, so I was expecting a lot of Xs. I am not getting any errors in the error log of my php directory on the webpage host. Maybe a ; missing somewhere?
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
$q6 = $_POST['G6'];
$q7 = $_POST['G7'];
$q8 = $_POST['G8'];
$q9 = $_POST['G9'];
$q10 = $_POST['G10'];
$q11 = $_POST['G11'];
$q12 = $_POST['G12'];
$q13 = $_POST['G13'];
$q14 = $_POST['G14'];
$q15 = $_POST['G15'];
$q16 = $_POST['G16'];
$q17 = $_POST['G17'];
$q18 = $_POST['G18'];
for ($i=1; $i <= 18; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
".$q6."
".$q7."
".$q8."
".$q9."
".$q10."
".$q11."
".$q12."
".$q13."
".$q14."
".$q15."
".$q16."
".$q17."
".$q18."
";
$to1 = "myemail@foxmail.com";
$subject = $studentnr . "sWeek1";
$headers = "From: peter@mypage.comrn";
$headers .= 'Content-Type: text/plain; charset=utf-8';
mail($to1, $subject, $body, $headers);
header("Location: email_success.php");
?>
Any more tips please?
php
add a comment |
I have a webpage for homework. Students fill in the boxes, then click send to send the form.
My php thankyou file gets the answers and sends to my email. I download the emails and use Python to check each answer against the correct answer, line for line using readlines().
This morning I noticed, one student missed the first part, 1 to 5 'choose the right word from the table.' They should just enter a letter, A to E, in each textbox, G1 to G5. The email sent by php then contains 5 empty lines, n, where the answers should be.
Because students often press enter in strange places, I run a Python script to get rid of empty lines in the emails after downloading.
So I would like to get php to put say X if a textbox is empty, before it sends the email.
The first part of the thankyou.php looks like this:
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
What I would like to do in php is something along the lines of:
for i in range(1, 6):
answer = $q + str(i)
if answer = '':
answer = 'X'
but that would be Python. What is the right way to do this in php?
I think this should be done after collecting all the $qs in the php script, but before making the body of the email:
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
";
Very grateful for any tips!
Edit: this is an actual thankyou.php with the loop to change '' for X, but all I get now in the email is: Studentnr = 1725010999, nothing else. How to tweak this? I just entered the student number and left all other boxes empty, so I was expecting a lot of Xs. I am not getting any errors in the error log of my php directory on the webpage host. Maybe a ; missing somewhere?
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
$q6 = $_POST['G6'];
$q7 = $_POST['G7'];
$q8 = $_POST['G8'];
$q9 = $_POST['G9'];
$q10 = $_POST['G10'];
$q11 = $_POST['G11'];
$q12 = $_POST['G12'];
$q13 = $_POST['G13'];
$q14 = $_POST['G14'];
$q15 = $_POST['G15'];
$q16 = $_POST['G16'];
$q17 = $_POST['G17'];
$q18 = $_POST['G18'];
for ($i=1; $i <= 18; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
".$q6."
".$q7."
".$q8."
".$q9."
".$q10."
".$q11."
".$q12."
".$q13."
".$q14."
".$q15."
".$q16."
".$q17."
".$q18."
";
$to1 = "myemail@foxmail.com";
$subject = $studentnr . "sWeek1";
$headers = "From: peter@mypage.comrn";
$headers .= 'Content-Type: text/plain; charset=utf-8';
mail($to1, $subject, $body, $headers);
header("Location: email_success.php");
?>
Any more tips please?
php
I have a webpage for homework. Students fill in the boxes, then click send to send the form.
My php thankyou file gets the answers and sends to my email. I download the emails and use Python to check each answer against the correct answer, line for line using readlines().
This morning I noticed, one student missed the first part, 1 to 5 'choose the right word from the table.' They should just enter a letter, A to E, in each textbox, G1 to G5. The email sent by php then contains 5 empty lines, n, where the answers should be.
Because students often press enter in strange places, I run a Python script to get rid of empty lines in the emails after downloading.
So I would like to get php to put say X if a textbox is empty, before it sends the email.
The first part of the thankyou.php looks like this:
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
What I would like to do in php is something along the lines of:
for i in range(1, 6):
answer = $q + str(i)
if answer = '':
answer = 'X'
but that would be Python. What is the right way to do this in php?
I think this should be done after collecting all the $qs in the php script, but before making the body of the email:
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
";
Very grateful for any tips!
Edit: this is an actual thankyou.php with the loop to change '' for X, but all I get now in the email is: Studentnr = 1725010999, nothing else. How to tweak this? I just entered the student number and left all other boxes empty, so I was expecting a lot of Xs. I am not getting any errors in the error log of my php directory on the webpage host. Maybe a ; missing somewhere?
//should mail the contact form
<?php
$studentnr = $_POST['sn'];
$q1 = $_POST['G1'];
$q2 = $_POST['G2'];
$q3 = $_POST['G3'];
$q4 = $_POST['G4'];
$q5 = $_POST['G5'];
$q6 = $_POST['G6'];
$q7 = $_POST['G7'];
$q8 = $_POST['G8'];
$q9 = $_POST['G9'];
$q10 = $_POST['G10'];
$q11 = $_POST['G11'];
$q12 = $_POST['G12'];
$q13 = $_POST['G13'];
$q14 = $_POST['G14'];
$q15 = $_POST['G15'];
$q16 = $_POST['G16'];
$q17 = $_POST['G17'];
$q18 = $_POST['G18'];
for ($i=1; $i <= 18; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
$body = "
Studentnr = ".$studentnr."
".$q1."
".$q2."
".$q3."
".$q4."
".$q5."
".$q6."
".$q7."
".$q8."
".$q9."
".$q10."
".$q11."
".$q12."
".$q13."
".$q14."
".$q15."
".$q16."
".$q17."
".$q18."
";
$to1 = "myemail@foxmail.com";
$subject = $studentnr . "sWeek1";
$headers = "From: peter@mypage.comrn";
$headers .= 'Content-Type: text/plain; charset=utf-8';
mail($to1, $subject, $body, $headers);
header("Location: email_success.php");
?>
Any more tips please?
php
php
edited 43 mins ago
Pedroski
asked 3 hours ago
PedroskiPedroski
1725
1725
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
You can do that like this:
for($i=1; $i <= 5; $i++) {
$answer= ${'q' . $i};
if($answer=='') $answer='X';
}
Edit:
If you just only need to update value, you can do that like this,
for($i=1; $i <= 5; $i++) {
if(${'q' . $i}=='') ${'q' . $i}='X';
}
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
add a comment |
If you want to change any of the $q*
variables to 'X'
if they are empty, you can use PHPs variable variables to do that. For example:
$q1 = '';
$q2 = 'A';
$q3 = '';
$q4 = 'E';
$q5 = 'D';
for ($i=1; $i <= 5; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
echo "$q1n";
echo "$q2n";
echo "$q3n";
echo "$q4n";
echo "$q5n";
Output:
X
A
X
E
D
Demo on 3v4l.org
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can do that like this:
for($i=1; $i <= 5; $i++) {
$answer= ${'q' . $i};
if($answer=='') $answer='X';
}
Edit:
If you just only need to update value, you can do that like this,
for($i=1; $i <= 5; $i++) {
if(${'q' . $i}=='') ${'q' . $i}='X';
}
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
add a comment |
You can do that like this:
for($i=1; $i <= 5; $i++) {
$answer= ${'q' . $i};
if($answer=='') $answer='X';
}
Edit:
If you just only need to update value, you can do that like this,
for($i=1; $i <= 5; $i++) {
if(${'q' . $i}=='') ${'q' . $i}='X';
}
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
add a comment |
You can do that like this:
for($i=1; $i <= 5; $i++) {
$answer= ${'q' . $i};
if($answer=='') $answer='X';
}
Edit:
If you just only need to update value, you can do that like this,
for($i=1; $i <= 5; $i++) {
if(${'q' . $i}=='') ${'q' . $i}='X';
}
You can do that like this:
for($i=1; $i <= 5; $i++) {
$answer= ${'q' . $i};
if($answer=='') $answer='X';
}
Edit:
If you just only need to update value, you can do that like this,
for($i=1; $i <= 5; $i++) {
if(${'q' . $i}=='') ${'q' . $i}='X';
}
edited 2 hours ago
answered 3 hours ago
WhatatimetobealiveWhatatimetobealive
676411
676411
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
add a comment |
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Thanks! It occurred to me that I need to reassign the $qs at the end. Like this maybe: for($i=1; $i <= 5; $i++) { $answer= ${'q' . $i}; if($answer=='') $answer='X'; ${'q' . $i} = $answer; } Will that be OK like that??
– Pedroski
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
Oh yes I just converted the python code as you requested. if you wanna replace with X just replace them directly on if statement. I ll update my answer.
– Whatatimetobealive
2 hours ago
add a comment |
If you want to change any of the $q*
variables to 'X'
if they are empty, you can use PHPs variable variables to do that. For example:
$q1 = '';
$q2 = 'A';
$q3 = '';
$q4 = 'E';
$q5 = 'D';
for ($i=1; $i <= 5; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
echo "$q1n";
echo "$q2n";
echo "$q3n";
echo "$q4n";
echo "$q5n";
Output:
X
A
X
E
D
Demo on 3v4l.org
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
add a comment |
If you want to change any of the $q*
variables to 'X'
if they are empty, you can use PHPs variable variables to do that. For example:
$q1 = '';
$q2 = 'A';
$q3 = '';
$q4 = 'E';
$q5 = 'D';
for ($i=1; $i <= 5; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
echo "$q1n";
echo "$q2n";
echo "$q3n";
echo "$q4n";
echo "$q5n";
Output:
X
A
X
E
D
Demo on 3v4l.org
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
add a comment |
If you want to change any of the $q*
variables to 'X'
if they are empty, you can use PHPs variable variables to do that. For example:
$q1 = '';
$q2 = 'A';
$q3 = '';
$q4 = 'E';
$q5 = 'D';
for ($i=1; $i <= 5; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
echo "$q1n";
echo "$q2n";
echo "$q3n";
echo "$q4n";
echo "$q5n";
Output:
X
A
X
E
D
Demo on 3v4l.org
If you want to change any of the $q*
variables to 'X'
if they are empty, you can use PHPs variable variables to do that. For example:
$q1 = '';
$q2 = 'A';
$q3 = '';
$q4 = 'E';
$q5 = 'D';
for ($i=1; $i <= 5; $i++) {
if (${"q$i"} == '') ${"q$i"} = 'X';
}
echo "$q1n";
echo "$q2n";
echo "$q3n";
echo "$q4n";
echo "$q5n";
Output:
X
A
X
E
D
Demo on 3v4l.org
edited 2 hours ago
answered 3 hours ago
NickNick
33.2k132042
33.2k132042
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
add a comment |
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
So I don't need to reassign variables via $answer, just directly reassign ${"q$i"} = 'X'; That's great, I'll try it asap!
– Pedroski
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
@Pedroski no, no need to use an intermediate variable, you can do it all in one line.
– Nick
2 hours ago
add a comment |
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