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88 lines
1.6 KiB
PHP
88 lines
1.6 KiB
PHP
--TEST--
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Test each() function : usage variations - Referenced variables
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--FILE--
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<?php
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/* Prototype : array each(array $arr)
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* Description: Return the currently pointed key..value pair in the passed array,
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* and advance the pointer to the next element
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* Source code: Zend/zend_builtin_functions.c
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*/
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/*
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* Test behaviour of each() when:
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* 1. Passed an array made up of referenced variables
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* 2. Passed an array as $arr argument by reference
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*/
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echo "*** Testing each() : usage variations ***\n";
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echo "\n-- Array made up of referenced variables: --\n";
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$val1 = 'foo';
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$val2 = 'bar';
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$arr1 = array('one' => &$val1, &$val2);
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echo "-- Call each until at the end of the array: --\n";
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var_dump( each($arr1) );
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var_dump( each($arr1) );
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var_dump( each($arr1) );
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echo "\n-- Pass an array by reference to each(): --\n";
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$arr2 = array('zero', 'one', 'two');
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var_dump( each(&$arr2) );
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echo "-- Check original array: --\n";
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var_dump($arr2);
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echo "Done";
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?>
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--EXPECTF--
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*** Testing each() : usage variations ***
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-- Array made up of referenced variables: --
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-- Call each until at the end of the array: --
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array(4) {
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[1]=>
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string(3) "foo"
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["value"]=>
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string(3) "foo"
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[0]=>
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string(3) "one"
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["key"]=>
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string(3) "one"
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}
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array(4) {
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[1]=>
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string(3) "bar"
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["value"]=>
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string(3) "bar"
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[0]=>
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int(0)
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["key"]=>
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int(0)
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}
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bool(false)
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-- Pass an array by reference to each(): --
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array(4) {
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[1]=>
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string(4) "zero"
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["value"]=>
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string(4) "zero"
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[0]=>
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int(0)
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["key"]=>
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int(0)
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}
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-- Check original array: --
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array(3) {
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[0]=>
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string(4) "zero"
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[1]=>
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string(3) "one"
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[2]=>
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string(3) "two"
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}
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Done
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