Why PHP cannot execute the echo "<?"? [closed] - php

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Can some of you tell me please why when I echo "<?", the <? is not displayed?
I'm sorry, maybe it's very stupid question, but I need to dig this language more deeper.


If you view the source it will be there. Its because the browser thinks its a tag.
Fix it by using htmlentities().
echo htmlentities("<?");

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Out of the blue, my old website stopped loading content and I can't figure out why:
https://unwork.nu/#/design/cir5-catalog/
Attached screengrab of error:
Does anyone have any ideas? It it a server issue?
I've looked into the PHP files but I'm not versed enough.

Undefined variable $task [closed]

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enter image description here
enter image description here
I don't understand why it shows me that variable is defined. I followed video tutorial but can't understand why it works in video but not for me.
Need help to understand this. Feels like simple mistake but I can't find the solution.

Error encounter using PHP and MySQL [closed]

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Closed 6 years ago.
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I have problem about PHP and MySQL. I write information to MySQL database, but "ü,ö,ğ,ç,ş," letters change to çşöğüıə.

Looks like an encoding problem.
Try utf8_encode() function.
You may wanna refer to this: utf8_encode() manual
Hope this helps.

Echo not displaying the whole string [closed]

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Closed 7 years ago.
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I have this code.
<?php echo "".$row['pname']."";?></h4>
When I click on the link,Its only posting the first word of the string,the rest are ignored

Missing the quotes for href attribute -
echo "<a href='pvendors.php?post=".$par."'>".$row['pname']."</a>";

Laravel function name must be a string [closed]

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Closed 8 years ago.
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Laravel
What mistake am I actually doing?
Please have a look at the image below:
http://1drv.ms/1ybX4Cg

I think
$body['user_id'] = $user()->id;
should be
$body['user_id'] = $user->id;

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