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Why does PHP consider 0 to be equal to a string?
...n each string is converted to a number and the comparison performed numerically. […] The type conversion does not take place when the comparison is === or !== as this involves comparing the type as well as the value.
As the first operand is a number (0) and the second is a string ('e'), the stri...
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 ...
The first day of the current month in php using date_modify as DateTime object
... This is IMO by far the simplest and most readable way to solve this, if all you need is a string representation of the date.
– Markus Amalthea Magnuson
Aug 17 '12 at 11:23
...
How to write character & in android strings.xml
...
For special character I normally use the Unicode definition, for the '&' for example: \u0026 if I am correct. Here is a nice reference page: http://jrgraphix.net/research/unicode_blocks.php?block=0
...
PHP Get all subdirectories of a given directory
How can I get all sub-directories of a given directory without files, . (current directory) or .. (parent directory)
and then use each directory in a function?
...
How to remove multiple deleted files in Git repository
...
git add -u
updates all your changes
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【解决】php7.x后报错Warning: Use of undefined constant PRE - assumed问...
...。具体步骤如下：1、打开 php ini2、设置 error_reporting = E_ALL & ~E_DEPRECATED & 解决此种问题也不难，只是报了”Warning警告“，只需要关闭”PHP错误提示“就行了。步骤如下：
1、打开 php.ini
2、设置 error_reporting = E_ALL & ~E_DEPRECATED & ~...
getting date format m-d-Y H:i:s.u from milliseconds
...
I generally opt for the second form as it's easier to read and understand. Additionally, DateTime is far more flexible and robust than the date/time functions. Handling microseconds is a case-in-point.
– Herber...
Deleting an element from an array in PHP
...ndex the keys you can use \array_values() after unset() which will convert all keys to numerical enumerated keys starting from 0.
Code
<?php
$array = [0 => "a", 1 => "b", 2 => "c"];
unset($array[1]);
//↑ Key which you want to delete
?>
Output
[
[0] =&g...
submitting a GET form with query string params and hidden params disappear
...the question mark and the parameters, and then cross one's fingers to hope all browsers would leave that URL as it (and validate that the server understands it too). But I'd never rely on that.
By the way: it's not different for non-hidden form fields. For POST the action URL could hold a query stri...