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201 lines
3.4 KiB
PHP
201 lines
3.4 KiB
PHP
--TEST--
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Test strrchr() function : usage variations - unexpected inputs for needle
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--FILE--
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<?php
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/* Prototype : string strrchr(string $haystack, string $needle);
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* Description: Finds the last occurrence of a character in a string.
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* Source code: ext/standard/string.c
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*/
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/* Test strrchr() function: with unexpected inputs for needle
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* and expected type for haystack
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*/
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echo "*** Testing strrchr() function with unexpected inputs for needle ***\n";
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// get an unset variable
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$unset_var = 'string_val';
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unset($unset_var);
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// declaring a class
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class sample {
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public function __toString() {
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return "object";
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}
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}
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//getting the resource
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$file_handle = fopen(__FILE__, "r");
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$haystacks = array (
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//integer numeric strings
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"0",
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"1",
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"2",
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"-2",
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//float numeric strings
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"10.5",
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"-10.5",
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"10.5e10",
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"10.6E-10",
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".5",
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//regular strings
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"array",
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"a",
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"r",
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"y",
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"ay",
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"true",
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"false",
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"TRUE",
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"FALSE",
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"NULL",
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"null",
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"object",
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//empty string
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"",
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'',
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//resource variable in string form
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"\$file_handle",
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//undefined variable in string form
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@"$undefined_var",
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@"$unset_var"
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);
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// array with different values
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$needles = array (
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// integer values
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0,
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1,
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12345,
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-2345,
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// float values
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10.5,
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-10.5,
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10.1234567e10,
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10.7654321E-10,
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.5,
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// array values
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array(),
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array(0),
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array(1),
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array(1, 2),
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array('color' => 'red', 'item' => 'pen'),
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// boolean values
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true,
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false,
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TRUE,
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FALSE,
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// null vlaues
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NULL,
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null,
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// objects
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new sample(),
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// empty string
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"",
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'',
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// resource
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$file_handle,
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// undefined variable
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@$undefined_var,
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// unset variable
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@$unset_var
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);
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// loop through each element of the array and check the working of strrchr()
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$count = 1;
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for($index = 0; $index < count($haystacks); $index++) {
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echo "-- Iteration $count --\n";
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var_dump( strrchr($haystacks[$index], $needles[$index]) );
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$count ++;
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}
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fclose($file_handle); //closing the file handle
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echo "*** Done ***";
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?>
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--EXPECTF--
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*** Testing strrchr() function with unexpected inputs for needle ***
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-- Iteration 1 --
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bool(false)
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-- Iteration 2 --
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bool(false)
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-- Iteration 3 --
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bool(false)
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-- Iteration 4 --
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bool(false)
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-- Iteration 5 --
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bool(false)
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-- Iteration 6 --
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bool(false)
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-- Iteration 7 --
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bool(false)
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-- Iteration 8 --
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bool(false)
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-- Iteration 9 --
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bool(false)
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-- Iteration 10 --
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Warning: strrchr(): needle is not a string or an integer in %s on line %d
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bool(false)
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-- Iteration 11 --
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Warning: strrchr(): needle is not a string or an integer in %s on line %d
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bool(false)
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-- Iteration 12 --
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Warning: strrchr(): needle is not a string or an integer in %s on line %d
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bool(false)
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-- Iteration 13 --
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Warning: strrchr(): needle is not a string or an integer in %s on line %d
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bool(false)
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-- Iteration 14 --
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Warning: strrchr(): needle is not a string or an integer in %s on line %d
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bool(false)
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-- Iteration 15 --
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bool(false)
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-- Iteration 16 --
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bool(false)
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-- Iteration 17 --
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bool(false)
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-- Iteration 18 --
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bool(false)
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-- Iteration 19 --
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bool(false)
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-- Iteration 20 --
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bool(false)
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-- Iteration 21 --
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Notice: Object of class sample could not be converted to int in %s on line %d
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bool(false)
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-- Iteration 22 --
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bool(false)
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-- Iteration 23 --
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bool(false)
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-- Iteration 24 --
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Warning: strrchr(): needle is not a string or an integer in %s on line %d
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bool(false)
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-- Iteration 25 --
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bool(false)
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-- Iteration 26 --
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bool(false)
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*** Done ***
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