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216 lines
3.6 KiB
PHP
216 lines
3.6 KiB
PHP
--TEST--
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Test is_array() function
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--FILE--
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<?php
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/* Prototype: bool is_array ( mixed $var );
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* Description: Finds whether the given variable is an array
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*/
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echo "*** Testing is_array() on different type of arrays ***\n";
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/* different types of arrays */
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$arrays = array(
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array(),
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array(NULL),
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array(null),
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array(true),
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array(""),
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array(''),
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array(array(), array()),
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array(array(1, 2), array('a', 'b')),
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array(1 => 'One'),
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array("test" => "is_array"),
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array(0),
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array(-1),
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array(10.5, 5.6),
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array("string", "test"),
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array('string', 'test')
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);
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/* loop to check that is_array() recognizes different
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type of arrays, expected output bool(true) */
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$loop_counter = 1;
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foreach ($arrays as $var_array ) {
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echo "-- Iteration $loop_counter --\n"; $loop_counter++;
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var_dump( is_array ($var_array) );
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}
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echo "\n*** Testing is_array() on non array types ***\n";
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// get a resource type variable
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$fp = fopen (__FILE__, "r");
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$dfp = opendir ( dirname(__FILE__) );
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// unset variables
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$unset_array = array(10);
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unset($unset_array);
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// other types in a array
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$varient_arrays = array (
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/* integers */
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543915,
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-5322,
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0x55F,
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-0xCCF,
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123,
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-0654,
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/* strings */
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"",
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'',
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"0",
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'0',
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'string',
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"string",
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/* floats */
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10.0000000000000000005,
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.5e6,
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-.5E7,
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.5E+8,
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-.5e+90,
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1e5,
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/* objects */
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new stdclass,
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/* resources */
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$fp,
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$dfp,
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/* nulls */
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null,
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NULL,
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/* boolean */
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true,
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TRUE,
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FALSE,
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false,
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/* unset/undefined arrays */
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@$unset_array,
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@$undefined_array
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);
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/* loop through the $varient_array to see working of
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is_array() on non array types, expected output bool(false) */
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$loop_counter = 1;
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foreach ($varient_arrays as $type ) {
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echo "-- Iteration $loop_counter --\n"; $loop_counter++;
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var_dump( is_array ($type) );
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}
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echo "\n*** Testing error conditions ***\n";
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//Zero argument
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var_dump( is_array() );
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//arguments more than expected
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var_dump( is_array ($fp, $fp) );
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echo "Done\n";
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?>
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--CLEAN--
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/* close resources */
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fclose($fp);
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closedir($dfp);
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--EXPECTF--
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*** Testing is_array() on different type of arrays ***
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-- Iteration 1 --
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bool(true)
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-- Iteration 2 --
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bool(true)
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-- Iteration 3 --
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bool(true)
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-- Iteration 4 --
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bool(true)
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-- Iteration 5 --
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bool(true)
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-- Iteration 6 --
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bool(true)
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-- Iteration 7 --
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bool(true)
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-- Iteration 8 --
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bool(true)
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-- Iteration 9 --
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bool(true)
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-- Iteration 10 --
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bool(true)
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-- Iteration 11 --
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bool(true)
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-- Iteration 12 --
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bool(true)
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-- Iteration 13 --
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bool(true)
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-- Iteration 14 --
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bool(true)
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-- Iteration 15 --
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bool(true)
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*** Testing is_array() on non array types ***
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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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bool(false)
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-- Iteration 11 --
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bool(false)
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-- Iteration 12 --
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bool(false)
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-- Iteration 13 --
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bool(false)
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-- Iteration 14 --
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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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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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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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-- Iteration 27 --
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bool(false)
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-- Iteration 28 --
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bool(false)
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-- Iteration 29 --
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bool(false)
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*** Testing error conditions ***
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Warning: is_array() expects exactly 1 parameter, 0 given in %s on line %d
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bool(false)
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Warning: is_array() expects exactly 1 parameter, 2 given in %s on line %d
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bool(false)
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Done
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