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115 lines
2.2 KiB
PHP
115 lines
2.2 KiB
PHP
--TEST--
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Test array_merge() function : usage variations - referenced variables
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--INI--
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allow_call_time_pass_reference=on
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--FILE--
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<?php
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/* Prototype : array array_merge(array $arr1, array $arr2 [, array $...])
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* Description: Merges elements from passed arrays into one array
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* Source code: ext/standard/array.c
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*/
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/* Test array_merge() when:
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* 1. Passed an array made up of referenced variables
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* 2. Passed an array as the first argument and a reference to that array as the second.
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*/
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echo "*** Testing array_merge() : usage variations ***\n";
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$val1 = 'foo';
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$val2 = 'bar';
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$val3 = 'baz';
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$arr1 = array(&$val1, &$val2, &$val3);
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$arr2 = array('key1' => 'val1', 'key2' => 'val2', 'key3' => 'val3');
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echo "\n-- Merge an array made up of referenced variables to an assoc. array --\n";
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var_dump(array_merge($arr1, $arr2));
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var_dump(array_merge($arr2, $arr1));
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$val2 = 'hello world';
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echo "\n-- Change \$val2 --\n";
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var_dump(array_merge($arr1, $arr2));
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var_dump(array_merge($arr2, $arr1));
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echo "\n-- Merge an array and a reference to the first array --\n";
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var_dump(array_merge($arr2, &$arr2));
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_merge() : usage variations ***
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-- Merge an array made up of referenced variables to an assoc. array --
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array(6) {
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[0]=>
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&string(3) "foo"
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[1]=>
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&string(3) "bar"
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[2]=>
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&string(3) "baz"
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["key1"]=>
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string(4) "val1"
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["key2"]=>
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string(4) "val2"
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["key3"]=>
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string(4) "val3"
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}
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array(6) {
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["key1"]=>
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string(4) "val1"
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["key2"]=>
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string(4) "val2"
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["key3"]=>
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string(4) "val3"
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[0]=>
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&string(3) "foo"
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[1]=>
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&string(3) "bar"
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[2]=>
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&string(3) "baz"
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}
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-- Change $val2 --
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array(6) {
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[0]=>
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&string(3) "foo"
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[1]=>
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&string(11) "hello world"
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[2]=>
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&string(3) "baz"
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["key1"]=>
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string(4) "val1"
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["key2"]=>
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string(4) "val2"
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["key3"]=>
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string(4) "val3"
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}
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array(6) {
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["key1"]=>
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string(4) "val1"
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["key2"]=>
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string(4) "val2"
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["key3"]=>
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string(4) "val3"
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[0]=>
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&string(3) "foo"
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[1]=>
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&string(11) "hello world"
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[2]=>
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&string(3) "baz"
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}
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-- Merge an array and a reference to the first array --
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array(3) {
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["key1"]=>
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string(4) "val1"
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["key2"]=>
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string(4) "val2"
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["key3"]=>
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string(4) "val3"
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}
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Done
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