Q:
Which function takes two arguments, an array to be traversed and name of a function to apply to each key/value pair?
belongs to collection: ARRAYS AND FUNCTIONS IN PHP MCQ
ARRAYS AND FUNCTIONS IN PHP MCQ
- How many functions are used by PHP to convert between arrays and variables?
- Which of them is an abstract data structure (ADT)?
- What does explode ( ) function do?
- Functions that returns a new array without disturbing their old arguments might be called as
- Compact ( ) function is used to create an array from
- For changing arrays into strings, which function is used?
- Array_flip ( ) function changes keys of an array into
- Shuffle ( ) function operates directly on its array arguments and changes it, that\'s why it is called
- LIFO stands for
- Array_splice function is same as array_slice but it starts taking arguments from
- Array_pad ( ) takes three arguments, one of them is
- Act of adding values into a stack is called
- For changing array with random numbers which function we can use?
- Arsort ( ) function same as asort ( ) but
- Popping is an act of
- Array_merge ( ) function merges
- A function that takes an array and returns a new array, where old values are changed with new keys?
- For reversing an array which function is used?
- Side effect of array_pop ( ) function is
- A function that returns keys of its input array in form of new array where keys are stored as values, is a
- Which function displays structured information about variables including its type and value?
- Array_values ( ) function returns an array containing
- Queues are similar to stacks but
- Stacks work on principle of
- Array_slice ( ) function starts accepting arguments from
- Baseconvert ( ) function converts a
- Bdadd ( ), bcsub ( ), bcmult ( ), bcdiv ( ), bcmod ( ), bcpow all these functions belongs to
- Base conversion functions takes
- Pi is a\an
- Which one from followings is not a trigonometric function
- Base conversion function DecHex ( ) coverts from
- Another name for arbitrary-precision arithmetic numbers are
- Which mathematical constant notation is used for square root?
- For converting base 8 to base 10, which function is used
- Which one from following is an example of arbitrary precision function
- All these pow ( ), exp ( ), log ( ), log10 ( ) functions are example of
- Mathematical constant M_PI defines a
- In multidimensional arrays rather than a single key they values are stored in
- For finding nonempty elements in array we use
- Pos ( ) function is an alias for
- Pointing before moving current pointer ahead is a behavior of
- Indices of arrays can be either strings or numbers and they are denoted as
- To retrieve a value from an array we can use its
- End ( ) function jumps pointer
- To rewind pointer at beginning of list
- Which function takes two arguments, an array to be traversed and name of a function to apply to each key/value pair?
- Arrays that can store their values in association with unique keys or indices are called
- You cannot alter an array while you are iterating your array through
- Internal linked keys in an array can be retrievable by
- Prev ( ) function is used for
- Current ( ) function is a
- Creating a new array from specification of its elements and associated keys, is known as
- PHP arrays are also called as
- When we simply want iteration through looping an array values we can use
- PHP function calls are
- Count ( ) function is identical to
- Is_array ( ) function that takes a single argument of any type and returns a true value if
- An array is a collection of
- Which function take two arguments and returns true if element contained as a value of an array?
- There are how many ways to create an array in PHP script
- For purpose of iteration Foreach is a
- User defined functions or may be built-in functions that\'s make an array via methods internal to PHP is called as
- Unlike vector arrays of C and C++ PHP arrays can store
- For getting rid of an assigned variable in an array which function is used?
- Default numbering for an array indices starts from
- Foreach ( ), current ( ), next ( ), reset ( ), each ( ) and array_walk ( ) all these functions are example of
- A function that takes two integers as arguments and returns an array filled with all integers between them, is known as
- Next ( ) function returns value after the
- $multi_array [1] [2] [3] [4] = "I am working on PHP"; will create
- In vector arrays, the elements must have
- As compared to associative arrays vector arrays are much
- Other than index values an array can be retrieved by a function that is called as
- Multidimensional arrays are simple arrays that have
- Three ways to create an array is Direct assignment, array ( ) construct and
- Which one of the following is the right way of defining a function in PHP?
- Type Hinting was introduced in which version of PHP?
- What will happen in this function call?
- What will be the output of the following PHP code?
- Which of the following are valid function names?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- A function in PHP which starts with __ (double underscore) is know as
- What will be the output of the following PHP code?
- PHP’s numerically indexed array begin with position ___________
- Which of the following are correct ways of creating an array?
- What will be the output of the following php code?
- Which function will return true if a variable is an array or false if it is not?
- Which in-built function will add a value to the end of an array?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- Which function can be used to move the pointer to the previous array position?
- What will be the output of the following PHP code?
- Which function returns an array consisting of associative key/value pairs?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
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- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code ?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- Which of the functions is used to sort an array in descending order?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- Which one of the following PHP functions can be used to build a function that accepts any number of arguments?
- Which one of the following PHP functions can be used to find files?
- Which of the following PHP functions can be used to get the current memory usage?
- Which of the following PHP functions can be used for generating unique ids?
- Which one of the following functions can be used to compress a string?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
- What will be the output of the following PHP code?
Php programming
(a).array_walk ( ) function
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