The 3 different equals
You have = the assignment operator, == the 'equal' comparison operator and === the 'identical' comparison operator.
$a = $b Assign Sets $a to be equal to $b.$a == $b Equal TRUE if $a is equal to $b.$a === $b Identical TRUE if $a is equal to $b, and they are of the same type. (introduced in PHP 4)For more info on the need for == and ===, and situations to use each, look at the docs.
=is the assignment operator==is the comparison operator (checks iftwo variables have equal values)===is the identical comparisonoperator (checks if two variableshave equal values and are of the sametype).
= assignment operator
== checks if two variables have the same value
=== checks if two variables have the same value AND if their types are the same