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72 lines
1.8 KiB
PHP
72 lines
1.8 KiB
PHP
--TEST--
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Test current() function : usage variations - multi-dimensional arrays
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--FILE--
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<?php
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/* Prototype : mixed current(array $array_arg)
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* Description: Return the element currently pointed to by the internal array pointer
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* Source code: ext/standard/array.c
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* Alias to functions: pos
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*/
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/*
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* Test how current() behaves with muti-dimensional and recursive arrays
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*/
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echo "*** Testing current() : usage variations ***\n";
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echo "\n-- Two Dimensional Array --\n";
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$multi_array = array ('zero', array (1, 2, 3), 'two');
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echo "Initial Position: ";
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var_dump(current($multi_array));
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echo "Next Position: ";
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next($multi_array);
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var_dump(current($multi_array));
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echo "End Position: ";
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end($multi_array);
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var_dump(current($multi_array));
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echo "\n-- Access an Array Within an Array --\n";
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//accessing an array within an array
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echo "Initial Position: ";
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var_dump(current($multi_array[1]));
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echo "\n-- Recursive, Multidimensional Array --\n";
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//create a recursive array
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$multi_array[] = &$multi_array;
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//See where internal pointer is after adding more elements
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echo "Current Position: ";
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var_dump(current($multi_array));
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//see if internal pointer is in same position as referenced array
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var_dump(current($multi_array[3][3][3]));
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// see if internal pointer is in the same position from when accessing this inner array
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var_dump(current($multi_array[3][3][3][1]));
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?>
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===DONE===
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--EXPECT--
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*** Testing current() : usage variations ***
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-- Two Dimensional Array --
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Initial Position: unicode(4) "zero"
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Next Position: array(3) {
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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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[2]=>
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int(3)
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}
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End Position: unicode(3) "two"
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-- Access an Array Within an Array --
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Initial Position: int(1)
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-- Recursive, Multidimensional Array --
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Current Position: unicode(3) "two"
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unicode(3) "two"
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int(1)
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===DONE===
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