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Difference between if () { } and if () : endif;
... @alex It will work with curly brackets as well, but at least personally I find this way kind of clearer in things like this. Cause they you know that it is the end of an if, and not the end of a loop of some sort or something else. Think you have endfor and endwhile or something similar too....
How to execute PHP code from the command line?
I would like to execute a single php statement like if(function_exists("my_func")) echo 'function exists'; directly with the command line without having to use a seperate php file.
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How can I compare two dates in PHP?
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If all your dates are posterior to the 1st of January of 1970, you could use something like:
$today = date("Y-m-d");
$expire = $row->expireDate; //from database
$today_time = strtotime($today);
$expire_time = strtotime($exp...
Multi-line strings in PHP
...ng
spanning multiple lines
using heredoc syntax.
$var is replaced automatically.
EOD;
A Nowdoc is like a Heredoc, but it doesn't replace variables.
$str = <<<'EOD'
Example of string
spanning multiple lines
using nowdoc syntax.
$var is NOT replaced in a nowdoc.
EOD;
Beware that the end ...
Is there an easy way to pickle a python function (or otherwise serialize its code)?
...
You could serialise the function bytecode and then reconstruct it on the caller. The marshal module can be used to serialise code objects, which can then be reassembled into a function. ie:
import marshal
def foo(x): return x*x
code_string = marshal.dumps(foo.func_code)
Then in the remote proc...
PHP String to Float
I am not familiar with PHP at all and had a quick question.
8 Answers
8
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window.location.reload with clear cache [duplicate]
...
UPDATE 1
After reading the comments I realize you wanted to programmatically erase the cache and not every time. What you could do is have a function in JS like:
eraseCache(){
window.location = window.location.href+'?eraseCache=true';
}
Then, in PHP let's say, you do something like this:
&l...
htmlentities() vs. htmlspecialchars()
... for htmlentities:
This function is identical to htmlspecialchars() in all ways, except with htmlentities(), all characters which have HTML character entity equivalents are translated into these entities.
From the PHP documentation for htmlspecialchars:
Certain characters have special sig...
Illegal string offset Warning PHP
...ilt correctly (the debug info shows this), however it had to be copied manually into another array before having been usable without the PHP illegal stringoffset warning message.
– Franz Holzinger
Feb 6 '16 at 11:46
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Check to see if a string is serialized?
...to me that there should be a way to find out if it's serialized before actually forcing the parser to attempt to process it.
– Dang
Sep 2 '09 at 20:43
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