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2024.3

Non-strict object equality

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Last modified: 03 December 2024

Reports the usages of the comparison operator (==) for comparing object variables.

Object variables are compared as follows:

  • When using the comparison operator (==), two object instances are considered equal if they have the same attributes and values (values are compared with ==), and are instances of the same class.

  • When using the identity operator (===), object variables are considered identical if and only if they refer to the same instance of the same class.

See Comparing Objects (php.net) for details.