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- --TEST--
- Test array_map() function : usage variations - arrays of different size
- --FILE--
- <?php
- /* Prototype : array array_map ( callback $callback , array $arr1 [, array $... ] )
- * Description: Applies the callback to the elements of the given arrays
- * Source code: ext/standard/array.c
- */
- /*
- * Test array_map() by passing array having different size
- * 1) first array as empty array
- * 2) second array as empty array
- * 3) second array shorter than first array
- * 4) first array shorter than second array
- * 5) one more array than callback function arguments
- */
- echo "*** Testing array_map() : arrays with diff. size ***\n";
- function callback($a, $b)
- {
- return array($a => $b);
- }
- // calling array_map with different arrays
- var_dump( array_map('callback', array(1, 2, 3), array()) );
- var_dump( array_map('callback', array(), array('a', 'b', 'c')) );
- var_dump( array_map('callback', array(1, 2, 3), array('a', 'b')) );
- var_dump( array_map('callback', array(012, 0x2F, 0X1A), array(2.3, 12.4e2)) );
- var_dump( array_map('callback', array(), array(1, 2, 3), array('a', 'b')) ); // passing more no. of arrays than callback function argument
- echo "Done";
- ?>
- --EXPECTF--
- *** Testing array_map() : arrays with diff. size ***
- array(3) {
- [0]=>
- array(1) {
- [1]=>
- NULL
- }
- [1]=>
- array(1) {
- [2]=>
- NULL
- }
- [2]=>
- array(1) {
- [3]=>
- NULL
- }
- }
- array(3) {
- [0]=>
- array(1) {
- [""]=>
- string(1) "a"
- }
- [1]=>
- array(1) {
- [""]=>
- string(1) "b"
- }
- [2]=>
- array(1) {
- [""]=>
- string(1) "c"
- }
- }
- array(3) {
- [0]=>
- array(1) {
- [1]=>
- string(1) "a"
- }
- [1]=>
- array(1) {
- [2]=>
- string(1) "b"
- }
- [2]=>
- array(1) {
- [3]=>
- NULL
- }
- }
- array(3) {
- [0]=>
- array(1) {
- [10]=>
- float(2.3)
- }
- [1]=>
- array(1) {
- [47]=>
- float(1240)
- }
- [2]=>
- array(1) {
- [26]=>
- NULL
- }
- }
- array(3) {
- [0]=>
- array(1) {
- [""]=>
- int(1)
- }
- [1]=>
- array(1) {
- [""]=>
- int(2)
- }
- [2]=>
- array(1) {
- [""]=>
- int(3)
- }
- }
- Done
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