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Php ini What isEquality operators are used to compare two values, testing for equivalence.
Example | Label | Outcome |
$a == $b | Is equal to | True if $a and $b are equivalent |
$a != $b | Is not equal to | True if $a is not equal to $b |
$a === $b | Is identical to | True if $a and $b are equivalent and $a and $b have the same type |
It is a common mistake for even experienced programmers to attempt to test for equality using just one equal sign (e.g., $a = $b). Keep in mind that this will result in the assignment of the contents of $b to $a and will not produce the expected results.
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