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140 lines
2.7 KiB
PHP
140 lines
2.7 KiB
PHP
--TEST--
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Test strtr() function : usage variations - unexpected inputs for 'str' argument
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--FILE--
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<?php
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/* Prototype : string strtr(string $str, string $from[, string $to]);
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string strtr(string $str, array $replace_pairs);
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* Description: Translates characters in str using given translation tables
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* Source code: ext/standard/string.c
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*/
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/* Test strtr() function: with unexpected inputs for 'str'
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* and expected type for 'from' & 'to' arguments
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*/
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echo "*** Testing strtr() function: with unexpected inputs for 'str' ***\n";
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//get an unset variable
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$unset_var = 'string_val';
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unset($unset_var);
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//defining a class
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class sample {
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public function __toString() {
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return "sample object";
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}
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}
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//getting the resource
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$file_handle = fopen(__FILE__, "r");
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// array with different values
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$strings = array (
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// integer values
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/*1*/ 0,
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1,
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-2,
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// float values
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/*4*/ 10.5,
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-20.5,
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10.1234567e10,
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// array values
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/*7*/ array(),
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array(0),
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array(1, 2),
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// boolean values
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/*10*/ true,
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false,
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TRUE,
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FALSE,
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// null values
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/*14*/ NULL,
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null,
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// objects
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/*16*/ new sample(),
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// resource
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/*17*/ $file_handle,
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// undefined variable
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/*18*/ @$undefined_var,
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// unset variable
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/*19*/ @$unset_var
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);
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//defining 'from' argument
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$from = "012atm";
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//defining 'to' argument
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$to = "atm012";
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// loop through with each element of the $strings array to test strtr() function
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$count = 1;
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for($index = 0; $index < count($strings); $index++) {
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echo "-- Iteration $count --\n";
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$str = $strings[$index];
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var_dump( strtr($str, $from, $to) );
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$count ++;
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}
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fclose($file_handle); //closing the file handle
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?>
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===DONE===
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--EXPECTF--
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*** Testing strtr() function: with unexpected inputs for 'str' ***
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-- Iteration 1 --
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string(1) "a"
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-- Iteration 2 --
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string(1) "t"
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-- Iteration 3 --
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string(2) "-m"
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-- Iteration 4 --
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string(4) "ta.5"
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-- Iteration 5 --
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string(5) "-ma.5"
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-- Iteration 6 --
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string(12) "tatm34567aaa"
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-- Iteration 7 --
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Warning: strtr() expects parameter 1 to be string, array given in %s on line %d
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NULL
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-- Iteration 8 --
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Warning: strtr() expects parameter 1 to be string, array given in %s on line %d
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NULL
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-- Iteration 9 --
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Warning: strtr() expects parameter 1 to be string, array given in %s on line %d
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NULL
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-- Iteration 10 --
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string(1) "t"
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-- Iteration 11 --
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string(0) ""
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-- Iteration 12 --
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string(1) "t"
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-- Iteration 13 --
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string(0) ""
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-- Iteration 14 --
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string(0) ""
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-- Iteration 15 --
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string(0) ""
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-- Iteration 16 --
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string(13) "s02ple objec1"
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-- Iteration 17 --
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Warning: strtr() expects parameter 1 to be string, resource given in %s on line %d
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NULL
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-- Iteration 18 --
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string(0) ""
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-- Iteration 19 --
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string(0) ""
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===DONE===
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