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Can HTML be embedded inside PHP “if” statement?
I would like to embed HTML inside a PHP if statement, if it's even possible, because I'm thinking the HTML would appear before the PHP if statement is executed.
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How can I brew link a specific version?
...n>
Example:
brew switch mysql 5.5.29
You can find the versions installed on your system with info.
brew info mysql
And to see the available versions to install, you can provide a dud version number, as brew will helpfully respond with the available version numbers:
brew switch mysql 0
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What's the best way to get the last element of an array without deleting it?
...lt;<option code>>s and <<input code>>s will be run on all versions of PHP. For each test run the following code snippet is used:
<<input code>> error_reporting(E_ALL); <<option code>> error_reporting(0); $before=microtime(TRUE); for($i=0;$i<100;$i+...
Double not (!!) operator in PHP
...ings or empty arrays) you will get the boolean value FALSE.
It is functionally equivalent to a cast to boolean:
return (bool)$row;
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Are “elseif” and “else if” completely synonymous?
...tom line is that both would result in exactly the same behavior.
Essentially, they will behave the same, but else if is technically equivalent to a nested structure like so:
if (first_condition)
{
}
else
{
if (second_condition)
{
}
}
The manual also notes:
Note that elseif and els...
Reusing output from last command in Bash
...ng backticks: `your_cmd` According to the Gnu Bash manual they are functionally identical. Of course this is also subject to the warning raised by @memecs
– user2065875
Apr 20 '15 at 21:33
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Remove non-numeric characters (except periods and commas) from a string
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You could use preg_replace to swap out all non-numeric characters and the comma and period/full stop as follows:
$testString = '12.322,11T';
echo preg_replace('/[^0-9,.]+/', '', $testString);
The pattern can also be expressed as /[^\d,.]+/
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Compare floats in php
I want to compare two floats in PHP, like in this sample code:
16 Answers
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Download multiple files as a zip-file using php
How can I download multiple files as a zip-file using php?
4 Answers
4
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Foreign keys in mongo?
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UPD. I'am using PHP as a programming language, how can I use mongoid, if it is written in Ruby?
– Mark Pegasov
Jun 13 '11 at 17:54
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