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167 lines
3.3 KiB
PHP
167 lines
3.3 KiB
PHP
--TEST--
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Test join() function : usage variations - unexpected values for 'glue' argument
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--FILE--
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<?php
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/* Prototype : string join( string $glue, array $pieces )
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* Description: Join array elements with a string
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* Source code: ext/standard/string.c
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* Alias of function: implode()
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*/
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/*
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* testing join() by passing different unexpected value for glue argument
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*/
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echo "*** Testing join() : usage variations ***\n";
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// initialize all required variables
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$pieces = array("element1", "element2");
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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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// get a resource variable
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$fp = fopen(__FILE__, "r");
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// define a class
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class test
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{
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var $t = 10;
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function __toString() {
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return "testObject";
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}
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}
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// array with different values
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$values = 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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// objects
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new test(),
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// empty string
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"",
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'',
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// null vlaues
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NULL,
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null,
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// resource variable
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$fp,
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// undefined variable
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@$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 join()
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// when $glue argument is supplied with different values
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echo "\n--- Testing join() by supplying different values for 'glue' argument ---\n";
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$counter = 1;
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for($index = 0; $index < count($values); $index ++) {
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echo "-- Iteration $counter --\n";
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$glue = $values [$index];
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var_dump( join($glue, $pieces) );
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$counter ++;
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}
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echo "Done\n";
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?>
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--EXPECTF--
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*** Testing join() : usage variations ***
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--- Testing join() by supplying different values for 'glue' argument ---
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-- Iteration 1 --
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string(17) "element10element2"
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-- Iteration 2 --
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string(17) "element11element2"
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-- Iteration 3 --
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string(21) "element112345element2"
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-- Iteration 4 --
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string(21) "element1-2345element2"
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-- Iteration 5 --
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string(20) "element110.5element2"
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-- Iteration 6 --
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string(21) "element1-10.5element2"
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-- Iteration 7 --
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string(28) "element1101234567000element2"
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-- Iteration 8 --
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string(29) "element11.07654321E-9element2"
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-- Iteration 9 --
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string(19) "element10.5element2"
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-- Iteration 10 --
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Notice: Array to string conversion in %s on line %d
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string(0) ""
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-- Iteration 11 --
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Notice: Array to string conversion in %s on line %d
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string(1) "0"
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-- Iteration 12 --
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Notice: Array to string conversion in %s on line %d
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string(1) "1"
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-- Iteration 13 --
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Notice: Array to string conversion in %s on line %d
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string(7) "1Array2"
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-- Iteration 14 --
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Notice: Array to string conversion in %s on line %d
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string(11) "redArraypen"
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-- Iteration 15 --
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string(17) "element11element2"
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-- Iteration 16 --
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string(16) "element1element2"
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-- Iteration 17 --
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string(17) "element11element2"
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-- Iteration 18 --
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string(16) "element1element2"
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-- Iteration 19 --
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string(26) "element1testObjectelement2"
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-- Iteration 20 --
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string(16) "element1element2"
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-- Iteration 21 --
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string(16) "element1element2"
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-- Iteration 22 --
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string(16) "element1element2"
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-- Iteration 23 --
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string(16) "element1element2"
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-- Iteration 24 --
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string(%d) "element1Resource id #%delement2"
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-- Iteration 25 --
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string(16) "element1element2"
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-- Iteration 26 --
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string(16) "element1element2"
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Done
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