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How do I convert a PDF document to a preview image in PHP? [closed]
...
You need ImageMagick and GhostScript
<?php
$im = new imagick('file.pdf[0]');
$im->setImageFormat('jpg');
header('Content-Type: image/jpeg');
echo $im;
?>
The [0] means page 1.
sha...
Is == in PHP a case-sensitive string comparison?
I was unable to find this on php.net. Is the double equal sign ( == ) case sensitive when used to compare strings in PHP?
7...
Symfony2 : How to get form validation errors after binding the request to the form
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The most important thing is actually to set the first argument to true in order to get the errors.
Leaving the second argument ($flatten) to his default value (true) will return FormError instances, while it will return FormErrorIterator instances when set to false.
...
Adding VirtualHost fails: Access Forbidden Error 403 (XAMPP) (Windows 7)
.../dummy-htdocs">
# AllowOverride All # Deprecated
# Order Allow,Deny # Deprecated
# Allow from all # Deprecated
# --New way of doing it
Require all granted
</Directory>
</VirtualHost>
First, I saw that it's necessary...
Difference between var_dump,var_export & print_r
...2] => 42
[3] => Array ([0] => 42)
)
var_export prints valid php code. Useful if you calculated some values and want the results as a constant in another script. Note that var_export can not handle reference cycles/recursive arrays, whereas var_dump and print_r check for these. var_exp...
Laravel blank white screen
My laravel site was working before, I recently upgraded to Apache 2.4 and PHP 5.5.7.
31 Answers
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JSON: why are forward slashes escaped?
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PHP escapes forward slashes by default which is probably why this appears so commonly. I'm not sure why, but possibly because embedding the string "</script>" inside a <script> tag is considered unsafe.
This func...
What's the shebang/hashbang (#!) in Facebook and new Twitter URLs for?
...ort the back button without reloading the entire page from the server.
In order to support bookmarking and the back button, you need to change the URL. However, if you change the page portion (with something like window.location = 'http://raganwald.com';) to a different URL or without specifying an...
How can I tell when a MySQL table was last updated?
...ELECT UPDATE_TIME, TABLE_SCHEMA, TABLE_NAME
FROM information_schema.tables
ORDER BY UPDATE_TIME DESC, TABLE_SCHEMA, TABLE_NAME
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