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424 lines
8.1 KiB
PHP
424 lines
8.1 KiB
PHP
--TEST--
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Test array_map() function
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--FILE--
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<?php
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/* Prototype: array array_map ( callback $callback, array $arr1 [, array $...] );
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Description: array_map() returns an array containing all the elements of arr1
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after applying the callback function to each one. The number of
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parameters that the callback function accepts should match the
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number of arrays passed to the array_map()
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*/
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echo "*** Testing basic operations ***\n";
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/* array_map with null as function and different arrays */
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var_dump( array_map(NULL, array()) );
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var_dump( array_map(NULL, array(), array()) );
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var_dump( array_map(NULL, array(1,2,3), array(1,2,3)) );
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var_dump( array_map(NULL, array(1,2), array(1,2,3,4)) );
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var_dump( array_map(NULL, array("Jan", "Feb", "March"), array("31","28","31")) );
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var_dump( array_map(NULL, array("Text", "Words", "Lineup"), array(4, 5, 6)) );
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var_dump( array_map(NULL, array("a", "ab", "abc", "abcd"), array()) );
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var_dump( array_map(NULL,
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array("Jan"=>"01", "Feb"=>"02", "March"=>"03"),
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array("31"=>"Jan", "28"=>"Feb", "031"=>"March")
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)
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);
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/* using key as "string" where no.of arguments passed to array_map() is 2 */
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var_dump( array_map( create_function('$n', 'return $n*$n;'),
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array("key1"=>1, "key2"=>2, "key3"=>3)
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)
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);
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echo "\n*** Testing possible variations ***\n";
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/* anonymous callback function */
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var_dump( array_map( create_function('$a,$b', 'return $a+$b;'),
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array(1,2,3),
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array(5,6,7,8,9)
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)
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);
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/* anonymous callback function with reference */
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var_dump( array_map( create_function('&$a, $b', 'return array($a,$b);'),
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array("Hello","Good"),
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array("World","Day")
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)
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);
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/* callback function with reference */
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$a = array(1,2,3);
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function square(&$var) {
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return( $var * $var );
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}
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print_r( array_map('square', $a) );
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/* array_map in recursion */
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function square_recur($var) {
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if (is_array($var))
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return array_map('square_recur', $var);
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return $var * $var;
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}
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$rec_array = array(1, 2, array(3, 4, array(5, 2), array() ) );
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var_dump( array_map('square_recur', $rec_array) );
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/* callback function as string variable containing the function name */
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$string_var = "square";
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var_dump( array_map("square", $a) );
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var_dump( array_map($string_var, $a) );
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echo "\n*** Testing error conditions ***\n";
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/* arguments of non array type */
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$int_var=10;
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$float_var = 10.5;
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var_dump( array_map('square', $int_var) );
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var_dump( array_map('square', $float_var) );
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var_dump( array_map('square', $string_var) );
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/* Zero argument */
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var_dump( array_map() );
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/* use array(), echo(), empty(), eval(), exit(), isset(), list(), print()
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and unset() as callback, failure expected */
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var_dump( array_map( 'echo', array(1) ) );
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var_dump( array_map( 'array', array(1) ) );
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var_dump( array_map( 'empty', array(1) ) );
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var_dump( array_map( 'eval', array(1) ) );
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var_dump( array_map( 'exit', array(1) ) );
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var_dump( array_map( 'isset', array(1) ) );
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var_dump( array_map( 'list', array(1) ) );
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var_dump( array_map( 'print', array(1) ) );
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echo "\n*** Testing operation on objects ***\n";
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/* array_map with class object */
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class check_array_map {
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public static function helloWorld() {
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return "Static_Function_helloWorld(): Hello World";
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}
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public function Message($v) {
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return $v;
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}
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public static function Square( $n ) {
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return $n * $n;
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}
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}
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/* call static member function */
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var_dump( array_map( array('check_array_map', 'Square'), array(1,2,3)) );
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/* call non static member function - notice should be issues*/
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var_dump( array_map( array('check_array_map', 'Message'), array(1)) );
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/* call function using object */
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$obj = new check_array_map();
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var_dump( array_map( array($obj, 'helloWorld' ) ) ); // not enough args warning
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var_dump( array_map( array($obj, 'helloWorld'), array(1) ) );
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing basic operations ***
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array(0) {
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}
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array(0) {
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}
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array(3) {
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[0]=>
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array(2) {
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[0]=>
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int(1)
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[1]=>
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int(1)
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}
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[1]=>
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array(2) {
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[0]=>
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int(2)
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[1]=>
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int(2)
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}
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[2]=>
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array(2) {
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[0]=>
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int(3)
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[1]=>
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int(3)
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}
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}
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array(4) {
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[0]=>
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array(2) {
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[0]=>
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int(1)
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[1]=>
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int(1)
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}
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[1]=>
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array(2) {
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[0]=>
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int(2)
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[1]=>
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int(2)
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}
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[2]=>
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array(2) {
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[0]=>
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NULL
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[1]=>
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int(3)
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}
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[3]=>
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array(2) {
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[0]=>
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NULL
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[1]=>
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int(4)
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}
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}
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array(3) {
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[0]=>
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array(2) {
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[0]=>
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string(3) "Jan"
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[1]=>
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string(2) "31"
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}
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[1]=>
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array(2) {
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[0]=>
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string(3) "Feb"
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[1]=>
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string(2) "28"
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}
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[2]=>
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array(2) {
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[0]=>
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string(5) "March"
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[1]=>
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string(2) "31"
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}
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}
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array(3) {
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[0]=>
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array(2) {
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[0]=>
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string(4) "Text"
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[1]=>
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int(4)
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}
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[1]=>
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array(2) {
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[0]=>
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string(5) "Words"
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[1]=>
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int(5)
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}
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[2]=>
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array(2) {
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[0]=>
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string(6) "Lineup"
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[1]=>
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int(6)
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}
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}
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array(4) {
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[0]=>
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array(2) {
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[0]=>
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string(1) "a"
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[1]=>
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NULL
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}
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[1]=>
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array(2) {
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[0]=>
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string(2) "ab"
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[1]=>
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NULL
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}
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[2]=>
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array(2) {
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[0]=>
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string(3) "abc"
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[1]=>
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NULL
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}
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[3]=>
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array(2) {
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[0]=>
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string(4) "abcd"
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[1]=>
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NULL
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}
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}
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array(3) {
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[0]=>
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array(2) {
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[0]=>
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string(2) "01"
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[1]=>
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string(3) "Jan"
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}
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[1]=>
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array(2) {
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[0]=>
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string(2) "02"
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[1]=>
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string(3) "Feb"
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}
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[2]=>
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array(2) {
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[0]=>
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string(2) "03"
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[1]=>
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string(5) "March"
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}
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}
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array(3) {
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["key1"]=>
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int(1)
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["key2"]=>
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int(4)
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["key3"]=>
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int(9)
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}
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*** Testing possible variations ***
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array(5) {
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[0]=>
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int(6)
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[1]=>
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int(8)
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[2]=>
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int(10)
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[3]=>
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int(8)
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[4]=>
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int(9)
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}
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array(2) {
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[0]=>
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array(2) {
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[0]=>
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string(5) "Hello"
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[1]=>
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string(5) "World"
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}
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[1]=>
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array(2) {
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[0]=>
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string(4) "Good"
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[1]=>
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string(3) "Day"
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}
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}
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Array
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(
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[0] => 1
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[1] => 4
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[2] => 9
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)
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array(3) {
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[0]=>
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int(1)
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[1]=>
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int(4)
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[2]=>
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array(4) {
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[0]=>
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int(9)
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[1]=>
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int(16)
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[2]=>
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array(2) {
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[0]=>
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int(25)
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[1]=>
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int(4)
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}
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[3]=>
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array(0) {
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}
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}
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}
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array(3) {
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[0]=>
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int(1)
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[1]=>
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int(4)
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[2]=>
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int(9)
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}
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array(3) {
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[0]=>
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int(1)
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[1]=>
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int(4)
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[2]=>
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int(9)
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}
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*** Testing error conditions ***
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Warning: array_map(): Argument #2 should be an array in %s on line %d
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NULL
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Warning: array_map(): Argument #2 should be an array in %s on line %d
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NULL
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Warning: array_map(): Argument #2 should be an array in %s on line %d
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NULL
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Warning: Wrong parameter count for array_map() %s on line %d
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NULL
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Warning: array_map(): The first argument, 'echo', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'array', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'empty', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'eval', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'exit', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'isset', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'list', should be either NULL or a valid callback in %s on line %d
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NULL
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Warning: array_map(): The first argument, 'print', should be either NULL or a valid callback in %s on line %d
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NULL
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*** Testing operation on objects ***
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array(3) {
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[0]=>
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int(1)
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[1]=>
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int(4)
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[2]=>
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int(9)
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}
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Strict Standards: Non-static method check_array_map::Message() cannot be called statically in %s on line %d
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Strict Standards: Non-static method check_array_map::Message() cannot be called statically in %s on line %d
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array(1) {
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[0]=>
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int(1)
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}
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Warning: Wrong parameter count for array_map() in %s on line %d
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NULL
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array(1) {
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[0]=>
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string(41) "Static_Function_helloWorld(): Hello World"
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}
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Done
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