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117 lines
2.9 KiB
PHP
117 lines
2.9 KiB
PHP
--TEST--
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Test array_diff() function : basic functionality
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--FILE--
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<?php
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/* Prototype : array array_diff(array $arr1, array $arr2 [, array ...])
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* Description: Returns the entries of $arr1 that have values which are not present
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* in any of the others arguments.
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* Source code: ext/standard/array.c
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*/
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/*
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* Test basic functionality of array_diff
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*/
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echo "*** Testing array_diff() : basic functionality ***\n";
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//Test indexed array with integers as elements
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$array_int1 = array (1, 2, 3, 4);
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$array_int2 = array (3, 4, 5, 6);
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echo "-- Test indexed array with integers as elements --\n";
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var_dump(array_diff($array_int1, $array_int2));
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var_dump(array_diff($array_int2, $array_int1));
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//Test indexed array with strings as elements
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$array_string1 = array ('one', 'two', 'three', 'four');
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$array_string2 = array ('three', 'four', 'five', 'six');
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echo "-- Test indexed array with strings as elements --\n";
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var_dump(array_diff($array_string1, $array_string2));
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var_dump(array_diff($array_string2, $array_string1));
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//Test associative array with strings as keys and integers as elements
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$array_assoc_int1 = array ('one' => 1, 'two' => 2, 'three' => 3, 'four' => 4);
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$array_assoc_int2 = array ('three' => 3, 'four' => 4, 'five' => 5, 'six' => 6);
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echo "-- Test associative array with strings as keys and integers as elements --\n";
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var_dump(array_diff($array_assoc_int1, $array_assoc_int2));
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var_dump(array_diff($array_assoc_int2, $array_assoc_int1));
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//Test associative array with strings as keys and elements
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$array_assoc_str1 = array ('one' => 'un', 'two' => 'deux', 'three' => 'trois', 'four' => 'quatre');
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$array_assoc_str2 = array ('three' => 'trois', 'four' => 'quatre', 'five' => 'cinq', 'six' => 'six');
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echo "-- Test associative array with strings as keys and integers as elements --\n";
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var_dump(array_diff($array_assoc_str1, $array_assoc_str2));
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var_dump(array_diff($array_assoc_str2, $array_assoc_str1));
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echo "-- Test array_diff with more than 2 arguments --\n";
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var_dump(array_diff($array_int1, $array_int2, $array_string1, $array_string2));
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_diff() : basic functionality ***
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-- Test indexed array with integers as elements --
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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(2)
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}
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array(2) {
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[2]=>
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int(5)
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[3]=>
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int(6)
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}
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-- Test indexed array with strings as elements --
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array(2) {
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[0]=>
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string(3) "one"
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[1]=>
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string(3) "two"
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}
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array(2) {
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[2]=>
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string(4) "five"
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[3]=>
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string(3) "six"
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}
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-- Test associative array with strings as keys and integers as elements --
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array(2) {
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["one"]=>
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int(1)
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["two"]=>
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int(2)
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}
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array(2) {
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["five"]=>
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int(5)
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["six"]=>
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int(6)
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}
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-- Test associative array with strings as keys and integers as elements --
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array(2) {
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["one"]=>
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string(2) "un"
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["two"]=>
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string(4) "deux"
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}
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array(2) {
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["five"]=>
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string(4) "cinq"
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["six"]=>
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string(3) "six"
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}
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-- Test array_diff with more than 2 arguments --
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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(2)
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}
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Done
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