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How can I check if a URL exists via PHP?
...returned by get_headers() are well formed.
Use curl (if you can).
Prevent fetching the entire body/content, but only request the headers.
Consider redirecting urls:
Do you want the first code returned?
Or follow all redirects and return the last code?
You might end up with a 200, but it could redire...
cleanest way to skip a foreach if array is empty [duplicate]
...anguage. PHP variable can store anything, that's why is_array, is_numeric, etc are needed functions.
– Daniel Wu
Nov 22 '19 at 5:41
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Loop code for each file in a directory [duplicate]
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Try GLOB()
$dir = "/etc/php5/*";
// Open a known directory, and proceed to read its contents
foreach(glob($dir) as $file)
{
echo "filename: $file : filetype: " . filetype($file) . "<br />";
}
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How do you debug PHP scripts? [closed]
... Platform. That gives proper debugging, breakpoints/stepping over the code etc., although at a price.
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answered Aug 3 '08 at 23:20
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How do PHP sessions work? (not “how are they used?”)
...ions in PHP are started by using the session_start( ) function. Like the setcookie( ) function, the session_start( ) function must come before any HTML, including blank lines, on the page. It will look like this:
<?php session_start( );?><html><head>
....... etc
The session_star...
Why are functions and methods in PHP case-insensitive?
...parser slowly grew to include conditional tags, then loop tags, functions, etc. At no point did I think I was writing a scripting language. I was simply adding a little bit of functionality to the macro replacement parser. I was still writing all my real business logic in C.
I have read somewhere t...
How does “do something OR DIE()” work in PHP?
... anybody anything or giving you any opportunity to record the event, retry etc.
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How to set HTTP headers (for cache-control)?
...sers will tend to store no-cache pages to enable back button functionality etc.
– MrWhite
Apr 1 '15 at 8:08
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Get a list of URLs from a site [closed]
...ery parameters, server-side rewritten URLs, or any kind of include/require/etc. assembling of pages, this won't really work.
– T.J. Schuck
Jun 24 '11 at 19:41
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Going from a framework to no-framework [closed]
...code available on Wikipedia.
You can also use the httponly attribute with setcookie().
Nothing fancier than basic templating and header-setting is required for new HTTP and HTML5 features:
HTTP Strict Transport Security (Helps protect against WiFi exploits.)
X-Frame-Options (Restrict embedding of...