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83 lines
1.5 KiB
Plaintext
83 lines
1.5 KiB
Plaintext
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--TEST--
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Test array_shift() function : usage variations - Referenced arrays
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--FILE--
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<?php
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/* Prototype : mixed array_shift(array &$stack)
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* Description: Pops an element off the beginning of the array
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* Source code: ext/standard/array.c
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*/
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/*
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* Test how array_shift when passed:
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* 1. a variable that is referenced to an array
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* 2. an array that contains a referenced array
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*/
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echo "*** Testing array_shift() : usage variations ***\n";
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echo "\n-- Variable is referenced array --\n";
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$original_array = array('zero', 'one', 'two');
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$copied_array = &$original_array;
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echo "Result: ";
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var_dump(array_shift($copied_array));
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echo "\n\$original_array:\n";
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var_dump($original_array);
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echo "\n\$copied_array:\n";
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var_dump($copied_array);
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echo "\n-- Element is referenced array --\n";
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$new_array = array (&$copied_array, 1, 'two');
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echo "Result: ";
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var_dump(array_shift($new_array[0]));
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echo "\n\$new_array:\n";
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var_dump($new_array);
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echo "\n\$copied_array\n";
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var_dump($copied_array);
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_shift() : usage variations ***
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-- Variable is referenced array --
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Result: string(4) "zero"
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$original_array:
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array(2) {
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[0]=>
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string(3) "one"
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[1]=>
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string(3) "two"
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}
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$copied_array:
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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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-- Element is referenced array --
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Result: string(3) "one"
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$new_array:
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array(3) {
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[0]=>
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&array(1) {
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[0]=>
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string(3) "two"
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}
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[1]=>
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int(1)
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[2]=>
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string(3) "two"
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}
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$copied_array
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array(1) {
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[0]=>
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string(3) "two"
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}
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Done
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