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How can I capture the result of var_dump to a string?
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Use output buffering:
<?php
ob_start();
var_dump($someVar);
$result = ob_get_clean();
?>
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Performance of foreach, array_map with lambda and array_map with static function
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FWIW, I just did the benchmark since poster didn't do it. Running on PHP 5.3.10 + XDebug.
UPDATE 2015-01-22 compare with mcfedr's answer below for additional results without XDebug and a more recent PHP version.
function lap($func) {
$t0 = microtime(1);
$numbers = range(0, 1000000);
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How to get current PHP page name [duplicate]
I've a file called demo.php where I don't have any GET variables in the URL, so if I want to hide a button if am on this page I can't use something like this:
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Set port for php artisan.php serve
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For port 8080:
php artisan serve --port=8080
And if you want to run it on port 80, you probably need to sudo:
sudo php artisan serve --port=80
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PHP学习必看的一些书 - PHP - 清泛IT论坛，有思想、有深度
对应初学的PHP，应该买什么样的书？到处问人，到处求助？ 该文章列举了一些书籍，感觉还行，特此重新整理了一下。觉得有些言过其实了，或者是没必要去看的。
该书单我经过一些调整。PHP相关《PHP程序设计》(第2版) –PHP...
using jquery $.ajax to call a PHP function
This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript.
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How do I recursively delete a directory and its entire contents (files + sub dirs) in PHP?
...I delete a directory and its entire contents (files and subdirectories) in PHP?
21 Answers
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error_log per Virtual Host?
On one Linux Server running Apache and PHP 5, we have multiple Virtual Hosts with separate log files. We cannot seem to separate the php error_log between virtual hosts.
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How to resolve “must be an instance of string, string given” prior to PHP 7?
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Prior to PHP 7 type hinting can only be used to force the types of objects and arrays. Scalar types are not type-hintable. In this case an object of the class string is expected, but you're giving it a (scalar) string. The error messa...
How to loop through an associative array and get the key? [duplicate]
...do:
foreach ($arr as $key => $value) {
echo $key;
}
As described in PHP docs.
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