PHP Zend Certification Questions and Verified Answers

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PHP Zend Certification Questions and
Verified Answers

Q: Integral numbers are internally converted into what?

ANS: bits


Q:
What is the symbol for the bitwise AND?

ANS: &


Q:
What is the symbol for the bitwise OR?

ANS: |


Q:
What is the symbol for the bitwise XOR?

ANS: ^


Q:
What is the criteria for the bitwise AND?

ANS: Matching "1" in both operands.


Q:
What is the criteria for the bitwise OR?

ANS: At least one "1" in an operand


Q:
What is the criteria for the bitwise XOR?

ANS: True only if operands are different


Q:
What is the symbol to NEGATE BITS?

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ANS: ~


Q:
What symbol is used to shift bits?

ANS: << or >>


Q:
<?= is short for what?

ANS: <?php echo


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

ANS: ==


Q:
Value inequality operator (PHP handles data type conversion) "123" != 124

ANS: !=


Q:
Value/type equality operator (Compares values with a type check) 123 === 123

ANS: ===


Q:
Value/type inequality operator (Compares values with a type check) "123" !== 123

ANS: !==


Q:
Array UNION operator

ANS: +


Q:
Array EQUAL operator

ANS: ==


Q: