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PHP - concatenate or directly insert variables in string
I am wondering, What is the proper way for inserting PHP variables into a string?
This way:
14 Answers
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Calling Java varargs method with single null argument?
...ray. For a single argument it assumes the latter.
You have two choices. Cast the null explicitly to Object or call the method using a strongly typed variable. See the example below:
public class Temp{
public static void main(String[] args){
foo("a", "b", "c");
foo(null, null);
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Easy way to test a URL for 404 in PHP?
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If you are using PHP's curl bindings, you can check the error code using curl_getinfo as such:
$handle = curl_init($url);
curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE);
/* Get the HTML or whatever is linked in $url. */
$response = cur...
How can one print a size_t variable portably using the printf family?
...ode into a file that's compiled as C99. Otherwise, your only option is to cast your variables to unsigned long long and use %llu to be maximally portable.
– Adam Rosenfield
Apr 13 '10 at 1:52
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How to benchmark efficiency of PHP script
I want to know what is the best way to benchmark my PHP scripts. Does not matter if a cron job, or webpage or web service.
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Best way to do multiple constructors in PHP
...u can't put two __construct functions with unique argument signatures in a PHP class. I'd like to do this:
21 Answers
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How to round up a number to nearest 10?
How can we round off a number to the nearest 10 in php?
16 Answers
16
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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
22
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Getting HTTP code in PHP using curl
...lso helps with following redirects):
How can I check if a URL exists via PHP?
As a whole:
$url = 'http://www.example.com';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, true); // we want headers
curl_setopt($ch, CURLOPT_NOBODY, true); // we don't need body
curl_setopt($ch, CUR...
(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...