> ## Documentation Index > Fetch the complete documentation index at: https://docs.syntblaze.com/llms.txt > Use this file to discover all available pages before exploring further. # PHP Equality The `==` (loose equality) operator in PHP evaluates whether two operands have equivalent values after performing implicit type coercion (type juggling). It returns a boolean `true` if the values are equivalent, and `false` otherwise. ```php theme={"dark"} $operand1 == $operand2 ``` Because PHP is a dynamically typed language, the `==` operator attempts to resolve data type mismatches before comparing the underlying values. This behavior fundamentally distinguishes it from the strict equality operator (`===`), which requires both the value and the data type to be identical without any coercion. When evaluating operands of different types, the `==` operator applies the following internal casting rules (as of PHP 8.0): * **Booleans:** If either operand is a boolean, the other operand is cast to a boolean before comparison. Consequently, `false` is loosely equal to `0`, `0.0`, `""` (empty string), `null`, and `[]` (empty array). * **Numbers and Strings:** If the string is a numeric string, it is converted to a number and compared mathematically. If the string is non-numeric, the number is converted to a string and a lexical string comparison is performed. For example, `0 == "string"` and `0 == ""` evaluate to `false` because the integer `0` is cast to the string `"0"`. * **Nulls:** When compared to a string, `null` is implicitly cast to an empty string `""` (making `null == ""` evaluate to `true`).

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