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Why a function checking if a string is empty always returns true? [closed]
... '' will return true if you pass is numeric 0 and a few other cases due to PHP's automatic type conversion.
You should not use the built-in empty() function for this; see comments and the PHP type comparison tables.
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What are differences between PECL and PEAR?
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PECL stands for PHP Extension Community Library, it has extensions written in C, that can be loaded into PHP to provide additional functionality. You need to have administrator rights, a C compiler and associated toolchain to install those e...
Get Root Directory Path of a PHP project
I have this folder structure in my PHP project.
(this is as shown in eclips)
8 Answers
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Event system in Python
... this will cause a
call to each item in the list in ascending order by index.
Example Usage:
>>> def f(x):
... print 'f(%s)' % x
>>> def g(x):
... print 'g(%s)' % x
>>> e = Event()
>>> e()
>>> e.append(f)
&...
How does RewriteBase work in .htaccess
...hs in the rule's target. So say you have this rule:
RewriteRule ^foo$ bar.php [L]
The bar.php is a relative path, as opposed to:
RewriteRule ^foo$ /bar.php [L]
where the /bar.php is an absolute path. The absolute path will always be the "root" (in the directory structure above). That means tha...
How can I catch a “catchable fatal error” on PHP type hinting?
I am trying to implement Type Hinting of PHP5 on one of my class,
1 Answer
1
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Automate ssh-keygen -t rsa so it does not ask for a passphrase
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On RHEL 6, I got this error: "ssh-keygen: option requires an argument -- N" :(
– Anthony O.
Dec 9 '15 at 15:02
1
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Unicode character in PHP string
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PHP 7.0.0 has introduced the "Unicode codepoint escape" syntax.
It's now possible to write Unicode characters easily by using a double-quoted or a heredoc string, without calling any function.
$unicodeChar = "\u{1000}";
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Rails CSRF Protection + Angular.js: protect_from_forgery makes me to log out on POST
...ntioned in application_controller, then I can log in and perform any GET requests, but on very first POST request Rails resets the session, which logs me out.
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Optimizing away a “while(1);” in C++0x
...n), and p is a local variable, whose address has not been taken:
for (p = q; p != 0; p = p -> next) {
++count;
}
for (p = q; p != 0; p = p -> next) {
++count2;
}
Could these two loops be merged and replaced by the following loop?
for (p = q; p != 0; p = p -> next) {
...