Fatal error: Allowed memory size of 268435456 bytes exhausted (tried to allocate 71 bytes)

WordPress overrides PHP’s memory limit to 256M, with the assumption that whatever it was set to before is going to be too low to render the dashboard. You can override this by defining WP_MAX_MEMORY_LIMIT in wp-config.php: I agree with DanFromGermany, 256M is really a lot of memory for rendering a dashboard page. Changing the memory limit is really … Read more

Sort array of objects by object fields

Use usort, here’s an example adapted from the manual: You can also use any callable as the second argument. Here are some examples: Using anonymous functions (from PHP 5.3) usort($your_data, function($a, $b) {return strcmp($a->name, $b->name);}); From inside a class usort($your_data, array($this, “cmp”)); // “cmp” should be a method in the class Using arrow functions (from PHP 7.4) usort($your_data, fn($a, $b) => strcmp($a->name, … Read more

\n or \n in php echo not print [duplicate]

PHP only interprets escaped characters (with the exception of the escaped backslash \\ and the escaped single quote \’) when in double quotes (“) This works (results in a newline): This does not result in a newline:

How to validate phone number using PHP?

Since phone numbers must conform to a pattern, you can use regular expressions to match the entered phone number against the pattern you define in regexp. php has both ereg and preg_match() functions. I’d suggest using preg_match() as there’s more documentation for this style of regex. An example

pdo – Call to a member function prepare() on a non-object

$pdo is undefined. You’re not declaring it inside the function, and it isn’t being passed in as an argument. You need to either pass it in (good), or define it in the global namespace and make it available to your function by placing global $pdo at the top (bad).

How to verify password against database?

I went through many articles related to this topic, such as this: Using PHP 5.5’s password_hash and password_verify function Yet, I’m unsure if I’m hashing and salting the correct way or over doing it! I want to use my own salt and then hash. Both salt and hashed password stored in the database in two … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)