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51 lines
1.1 KiB
PHP
51 lines
1.1 KiB
PHP
--TEST--
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Test array_slice() function : usage variations - referenced variables
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--FILE--
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<?php
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/* Prototype : array array_slice(array $input, int $offset [, int $length [, bool $preserve_keys]])
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* Description: Returns elements specified by offset and length
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* Source code: ext/standard/array.c
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*/
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/*
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* Test array_slice() when:
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* 1. Passed an array of referenced variables
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* 2. $input argument is passed by reference
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*/
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echo "*** Testing array_slice() : usage variations ***\n";
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$val1 = 'one';
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$val2 = 'two';
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$val3 = 'three';
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echo "\n-- Array of referenced variables (\$preserve_keys = default) --\n";
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$input = array(3 => &$val1, 2 => &$val2, 1 => &$val3);
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var_dump(array_slice($input, 1, 2));
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echo "-- Change \$val2 (\$preserve_keys = TRUE) --\n";
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$val2 = 'hello, world';
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var_dump(array_slice($input, 1, 2, true));
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echo "Done";
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?>
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--EXPECTF--
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*** Testing array_slice() : usage variations ***
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-- Array of referenced variables ($preserve_keys = default) --
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array(2) {
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[0]=>
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&string(3) "two"
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[1]=>
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&string(5) "three"
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}
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-- Change $val2 ($preserve_keys = TRUE) --
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array(2) {
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[2]=>
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&string(12) "hello, world"
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[1]=>
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&string(5) "three"
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}
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Done
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