What is the difference between == and = in php

The difference between == and = in PHP:

== in php is the comparison operator , used to compare two Whether the values ​​are equal, if the types are different, the types of the two values ​​will be converted and then compared.

Example:

var_dump(0 == "a"); // 0 == 0 -> true
var_dump("1" == "01"); // 1 == 1 -> true
var_dump("10" == "1e1"); // 10 == 10 -> true
var_dump(100 == "1e2"); // 100 == 100 -> true

"=" in php is the assignment operator, used to assign values ​​to variables.

In PHP, the basic assignment operator is "=". It means that the left operand is set to the value of the right-hand expression. That is, the value of "$x = 5" is 5.

For more related tutorials, please pay attention to php Chinese website.

The above is the detailed content of What is the difference between == and = in php. For more information, please follow other related articles on the PHP Chinese website!