Elvis ?: returns the first argument if it contains a "true-ish" value (see which values are considered loosely equal to true in the first line of the Loose comparisons with == table).

In very plain language, what happens is that whatever is stored in each variable is converted to a string and then each string is placed into a final variable that includes each value of each …

In PHP you may compare two values using the == operator or === operator. The difference is this: PHP is a dynamic, interpreted language that is not strict on data types. It means that the …

Jun 23, 2009 · Like already some answered before: The @ operator suppresses all errors in PHP, including notices, warnings and even critical errors. BUT: Please, really do not use the @ …

Jul 4, 2010 · The difference between static and instantiated methods and properties seem to be one of the biggest obstacles to those just starting out with OOP PHP in PHP 5. The double …

==and != do not take into account the data type of the variables you compare. So these would all return true: '0' == 0 false == 0 NULL == false

Anyway as of today I hope you guys doesn't have any production servers running PHP < 5.6 as this versions are not maintained anymore (PHP Supported Versions). – TwystO Commented …

Dec 10, 2010 · In php both AND, && and OR, || will work in the same way. If you are new in programming and php is one of your first languages them i suggest using AND and OR, …

I build an array key:value pair for data section in ajax jquery, when read the request in php, I read all ítems but the last have [_]=>random_number, I set cache:false, whats is wrong?.

utf8_encode() and utf8_decode convert data from and to ISO-8859-1. In a modern web site setup where the database, the database connection, and the output page encoding are UTF-8, it will …