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How can I check if a URL exists via PHP?
How do I check if a URL exists (not 404) in PHP?
22 Answers
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(HTML) Download a PDF file instead of opening them in browser when clicked
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you will need to use a PHP script (or an other server side language for this)
<?php
// We'll be outputting a PDF
header('Content-type: application/pdf');
// It will be called downloaded.pdf
header('Content-Disposition: attachment; filename="do...
Only variables should be passed by reference
...file_name) cannot be turned into a reference. This is a restriction in the PHP language, that probably exists for simplicity reasons.
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Safely remove migration In Laravel
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I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it.
My steps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Reset the compos...
Display lines number in Stack Trace for .NET assembly in Release mode
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Go into the Properties window for the project where you want to see stack trace line numbers.
Click on the Build "vertical tab".
Select "Release" configuration. Check the DEBUG constant parameter.
Uncheck the "Optimize code" parameter to avoid the occasional trace issue with inlined code (...
What is the difference between public, private, and protected?
...e property / method will be public.
More: (For comprehensive information)
PHP Manual - Visibility
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How do I determine if my python shell is executing in 32bit or 64bit?
I need a way to tell what mode the shell is in from within the shell.
18 Answers
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What does it mean to start a PHP function with an ampersand?
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It's returning a reference, as mentioned already. In PHP 4, objects were assigned by value, just like any other value. This is highly unintuitive and contrary to how most other languages works.
To get around the problem, references were used for variables that pointed to obje...
How to get a variable name as a string in PHP?
Say i have this PHP code:
24 Answers
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Fastest way to convert string to integer in PHP
Using PHP, what's the fastest way to convert a string like this: "123" to an integer?
8 Answers
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