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Getting the first character of a string with $str[0]
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Does PHP $str[0] take into account that there can be 2Byte long chars? UTF and such? (even though substr() does not help with it either!)
– Tomer W
Jun 26 '13 at 13:29
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PHP append one array to another (not array_push or +)
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Another way to do this in PHP 5.6+ would be to use the ... token
$a = array('a', 'b');
$b = array('c', 'd');
array_push($a, ...$b);
// $a is now equals to array('a','b','c','d');
This will also work with any Traversable
$a = array('a', 'b');
$b ...
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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Generating a random password in php
I am trying to generate a random password in php.
22 Answers
22
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Best XML Parser for PHP [duplicate]
... C, and is very fast. But second, the parsed document takes the form of a PHP object. So you can "query" like $root->myElement.
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Is there a way to use shell_exec without waiting for the command to complete?
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How about adding.
"> /dev/null 2>/dev/null &"
shell_exec('php measurePerformance.php 47 844 email@yahoo.com > /dev/null 2>/dev/null &');
Note this also gets rid of the stdio and stderr.
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is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...
How to get the last char of a string in PHP?
...ers" as input string and I want the result to be "s". how can I do that in PHP?
11 Answers
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Has Facebook sharer.php changed to no longer accept detailed parameters?
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Facebook no longer supports custom parameters in sharer.php
The sharer will no longer accept custom parameters and facebook will
pull the information that is being displayed in the preview the same
way that it would appear on facebook as a post from the url OG meta
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如何编写一个独立的 PHP 扩展（译） - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何编写一个独立的 PHP 扩展（译）how-to-create-a-php-extension本文翻译自 PHP 源码中的 README.SELF-CONTAINED-EXTENSIONS。文中标记了注的内容均为自己添加。内容有点老，也挺啰嗦，没讲什么深入的...本文翻译自 PHP 源码中的 README.SELF-CONTAI...