PHP Zend Certification Questions and Correct Answers/ Latest Update / Already Graded

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PHP Zend Certification Questions and
Correct Answers/ Latest Update /
Already Graded
Integral numbers are internally converted into what?


Ans: bits




What is the symbol for the bitwise AND?


Ans: &




What is the symbol for the bitwise OR?


Ans: |




What is the symbol for the bitwise XOR?


Ans: ^




What is the criteria for the bitwise AND?

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Ans: Matching "1" in both operands.




What is the criteria for the bitwise OR?


Ans: At least one "1" in an operand




What is the criteria for the bitwise XOR?


Ans: True only if operands are different




What is the symbol to NEGATE BITS?


Ans: ~




What symbol is used to shift bits?


Ans: << or >>




<?= is short for what?

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Ans: <?php echo




Value equality operator (PHP handles data type conversion) "123"

=== 123


Ans: ==




Value inequality operator (PHP handles data type conversion) "123"

!= 124


Ans: !=




Value/type equality operator (Compares values with a type check)

123 === 123


Ans: ===




Value/type inequality operator (Compares values with a type

check) "123" !== 123