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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
I just had some very strange behavior with a simple php script I was writing. I reduced it to the minimum necessary to recreate the bug:
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Only variables should be passed by reference
...file_name) cannot be turned into a reference. This is a restriction in the PHP language, that probably exists for simplicity reasons.
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Safely remove migration In Laravel
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I accidentally created a migration with a bad name (command: php artisan migrate:make). I did not run (php artisan migrate) the migration, so I decided to remove it.
My steps:
Manually delete the migration file under app/database/migrations/my_migration_file_name.php
Reset the compos...
How to fix getImageData() error The canvas has been tainted by cross-origin data?
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Would it work for you to save a copy of the image to your server using PHP and then just load the new image? For example, you could send the URL to the PHP script and save it to your server, then return the new filename to your javascript like this:
<?php //The name of this file in this exam...
php stdClass to array
...aster than iterating through the objects recursively - most likely because PHP is slow at calling functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first.
Requirements
The json_encode and json_decode methods. T...
PHP屏蔽警告错误，PHP不输出警告错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP屏蔽警告错误，PHP不输出警告错误诸如下面这些错误的提示：Warning: file_get_contents( usr local tads htdocs XXXXXX src cache countLoginnum.txt) [function.file-get...诸如下面这些错误的提示：
Warning: file_get_contents(/usr/local/tads/htdocs/XXXXXX/src/cach...
PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]
...cho date("Y-m-d", strtotime($var) );
EDIT I just tested it, and somehow, PHP doesn't work well with dd/mm/yyyy format. Here's another solution.
$var = '20/04/2012';
$date = str_replace('/', '-', $var);
echo date('Y-m-d', strtotime($date));
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PHP equivalent of .NET/Java's toString()
How do I convert the value of a PHP variable to string?
24 Answers
24
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Can I get CONST's defined on a PHP class?
... are doing this a lot you may want to looking at caching the result.
<?php
class Profile {
const LABEL_FIRST_NAME = "First Name";
const LABEL_LAST_NAME = "Last Name";
const LABEL_COMPANY_NAME = "Company";
}
$refl = new ReflectionClass('Profile');
print_r($refl->getConstants());
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PHP cURL custom headers
I'm wondering if/how you can add custom headers to a cURL HTTP request in PHP. I'm trying to emulate how iTunes grabs artwork and it uses these non-standard headers:
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