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--TEST-- Test mb_ereg_replace() function : usage variations --SKIPIF-- <?php extension_loaded('mbstring') or die('skip'); function_exists('mb_ereg_replace') or die("skip mb_ereg_replace() is not available in this build"); ?> --FILE-- <?php /* Prototype : proto string mb_ereg_replace(string pattern, string replacement, string string [, string option]) * Description: Replace regular expression for multibyte string * Source code: ext/mbstring/php_mbregex.c * Alias to functions: */ echo "*** Testing mb_ereg_replace() : usage variations ***\n"; // Initialise function arguments not being substituted (if any) $pattern = '[a-z]'; $string = 'string_val'; $option = ''; //get an unset variable $unset_var = 10; unset ($unset_var); // get a class class classA { public function __toString() { return "UTF-8"; } } // heredoc string $heredoc = <<<EOT UTF-8 EOT; // get a resource variable $fp = fopen(__FILE__, "r"); // unexpected values to be passed to $encoding argument $inputs = array( // int data /*1*/ 0, 1, 12345, -2345, // float data /*5*/ 10.5, -10.5, 12.3456789000e10, 12.3456789000E-10, .5, // null data /*10*/ NULL, null, // boolean data /*12*/ true, false, TRUE, FALSE, // empty data /*16*/ "", '', // string data /*18*/ "UTF-8", 'UTF-8', $heredoc, // object data /*21*/ new classA(), // undefined data /*22*/ @$undefined_var, // unset data /*23*/ @$unset_var, // resource variable /*24*/ $fp ); // loop through each element of the array for pattern $iterator = 1; foreach($inputs as $input) { echo "\n-- Iteration $iterator --\n"; var_dump( mb_ereg_replace($pattern, $input, $string, $option) ); $iterator++; }; fclose($fp); echo "Done"; ?> --EXPECTF-- *** Testing mb_ereg_replace() : usage variations *** -- Iteration 1 -- string(10) "000000_000" -- Iteration 2 -- string(10) "111111_111" -- Iteration 3 -- string(46) "123451234512345123451234512345_123451234512345" -- Iteration 4 -- string(46) "-2345-2345-2345-2345-2345-2345_-2345-2345-2345" -- Iteration 5 -- string(37) "10.510.510.510.510.510.5_10.510.510.5" -- Iteration 6 -- string(46) "-10.5-10.5-10.5-10.5-10.5-10.5_-10.5-10.5-10.5" -- Iteration 7 -- string(109) "123456789000123456789000123456789000123456789000123456789000123456789000_123456789000123456789000123456789000" -- Iteration 8 -- string(118) "1.23456789E-91.23456789E-91.23456789E-91.23456789E-91.23456789E-91.23456789E-9_1.23456789E-91.23456789E-91.23456789E-9" -- Iteration 9 -- string(28) "0.50.50.50.50.50.5_0.50.50.5" -- Iteration 10 -- string(1) "_" -- Iteration 11 -- string(1) "_" -- Iteration 12 -- string(10) "111111_111" -- Iteration 13 -- string(1) "_" -- Iteration 14 -- string(10) "111111_111" -- Iteration 15 -- string(1) "_" -- Iteration 16 -- string(1) "_" -- Iteration 17 -- string(1) "_" -- Iteration 18 -- string(46) "UTF-8UTF-8UTF-8UTF-8UTF-8UTF-8_UTF-8UTF-8UTF-8" -- Iteration 19 -- string(46) "UTF-8UTF-8UTF-8UTF-8UTF-8UTF-8_UTF-8UTF-8UTF-8" -- Iteration 20 -- string(46) "UTF-8UTF-8UTF-8UTF-8UTF-8UTF-8_UTF-8UTF-8UTF-8" -- Iteration 21 -- string(46) "UTF-8UTF-8UTF-8UTF-8UTF-8UTF-8_UTF-8UTF-8UTF-8" -- Iteration 22 -- string(1) "_" -- Iteration 23 -- string(1) "_" -- Iteration 24 -- Warning: mb_ereg_replace() expects parameter 2 to be string, resource given in %s on line %d bool(false) Done