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--TEST-- Test shuffle() function : usage variation - arrays with diff heredoc strings --FILE-- <?php /* Prototype : bool shuffle(array $array_arg) * Description: Randomly shuffle the contents of an array * Source code: ext/standard/array.c */ /* * Test behaviour of shuffle() when an array of heredoc strings is passed to * 'array_arg' argument of the function */ echo "*** Testing shuffle() : with array containing heredoc strings ***\n"; // defining different heredoc strings $empty_heredoc = <<<EOT EOT; $heredoc_with_newline = <<<EOT \n EOT; $heredoc_with_characters = <<<EOT first line of heredoc string second line of heredoc string third line of heredocstring EOT; $heredoc_with_newline_and_tabs = <<<EOT hello\tworld\nhello\nworld\n EOT; $heredoc_with_alphanumerics = <<<EOT hello123world456 1234hello\t1234 EOT; $heredoc_with_embedded_nulls = <<<EOT hello\0world\0hello \0hello\0 EOT; // defining array with values as heredoc strings $heredoc_array = array( $empty_heredoc, $heredoc_with_newline, $heredoc_with_characters, $heredoc_with_newline_and_tabs, $heredoc_with_alphanumerics, $heredoc_with_embedded_nulls ); // defining array with keys as heredoc strings $heredoc_asso_array = array( $empty_heredoc => "heredoc1", $heredoc_with_newline => "heredoc2", $heredoc_with_characters => "heredoc3", $heredoc_with_newline_and_tabs => "heredoc3", $heredoc_with_alphanumerics => "heredoc4", $heredoc_with_embedded_nulls => "heredoc5" ); // test shuffle() with array containing heredoc strings as values echo "\n-- with array of heredoc strings --\n"; var_dump( shuffle($heredoc_array) ); echo "\nThe output array is:\n"; var_dump( $heredoc_array ); // test shuffle() with array containing heredoc strings as its keys echo "\n-- with array having heredoc strings as keys --\n"; var_dump( shuffle($heredoc_asso_array) ); echo "\nThe output array is:\n"; var_dump( $heredoc_asso_array ); echo "Done"; ?> --EXPECTREGEX-- \*\*\* Testing shuffle\(\) : with array containing heredoc strings \*\*\* -- with array of heredoc strings -- bool\(true\) The output array is: array\(6\) { \[0\]=> string\([0-9]*\) "[0-9 a-z \n \0 \t]*" \[1\]=> string\([0-9]*\) "[0-9 a-z \n \0 \t]*" \[2\]=> string\([0-9]*\) "[0-9 a-z \n \0 \t]*" \[3\]=> string\([0-9]*\) "[0-9 a-z \n \0 \t]*" \[4\]=> string\([0-9]*\) "[0-9 a-z \n \0 \t]*" \[5\]=> string\([0-9]*\) "[0-9 a-z \n \0 \t]*" } -- with array having heredoc strings as keys -- bool\(true\) The output array is: array\(6\) { \[0\]=> string\(8\) "[heredoc 1-5]*" \[1\]=> string\(8\) "[heredoc 1-5]*" \[2\]=> string\(8\) "[heredoc 1-5]*" \[3\]=> string\(8\) "[heredoc 1-5]*" \[4\]=> string\(8\) "[heredoc 1-5]*" \[5\]=> string\(8\) "[heredoc 1-5]*" } Done