What does the following code do in php?
15994
Reference — What does this symbol mean in PHP?
19211
PHP if not equal(!=) and or (||) issue. Why doesnt this work?
152763
php == vs === operator
54339
PHP syntax for dereferencing function result
111655
What is the difference between single-quoted and double-quoted strings in PHP?
146668
What does square bracket [] mean in the below code?
133871
How do I implement a callback in PHP?
37436
In PHP, 0 (int, zero) is equal to "first" or "last" (strings)?
132682
What does a leading zero do for a php int?
144284
How do filters and hooks really work in PHP
11423
Understand the meaning of `$_`
96987
Can Somebody Explain this java code
153624
What's the difference between is_null($var) and ($var === null)?
112683
What is PHP's serialize() function for?
76392
PHP in_array() / array_search() odd behaviour
29593
What is the "->" PHP operator called?
108661
In php, is 0 treated as empty?