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169 lines
3.9 KiB
PHP
169 lines
3.9 KiB
PHP
--TEST--
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Test array_rand() function : usage variation - with associative arrays for 'input' parameter
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--FILE--
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<?php
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/* Prototype : mixed array_rand(array $input [, int $num_req])
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* Description: Return key/keys for random entry/entries in the array
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* Source code: ext/standard/array.c
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*/
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/*
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* Test behaviour of array_rand() function when associative array is passed to
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* the 'input' parameter in the function call
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*/
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echo "*** Testing array_rand() : with associative arrays ***\n";
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// initialise associative arrays
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$asso_arrays = array(
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// array with numeric keys
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/*1*/ array(1 => 'one', 2 => 2, 1234567890 => 'big', -1 => 'negative key',
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2.3 => 'float key', 0 => "zero key", 0.2 => 'decimal key',
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2e2 => 'exp key1', -2e3 => 'negative exp key'),
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// array with string keys
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array('one' => 1, "two" => 2.0, "three" => 'three',
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'12twelve' => 12.00, "" => 'empty string', " " => "space key"),
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// array with hexa values as keys
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/*3*/ array(0xabc => 2748, 0x12f => '303', 0xff => "255", -0xff => "-255"),
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// array with octal values as keys
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array(0123 => 83, 0129 => 10, 010 => "8", -0348 => "-28", 0012 => '10'),
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// array with bool values as keys
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array(TRUE => '1', true => true, TrUe => "TRUE",
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FALSE => '0', false => false, FaLsE => "FALSE"),
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// array with special chars as keys
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/*6*/ array('##' => "key1", '&$r' => 'key2', '!' => "key3", '<>' =>'key4',
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"NULL" => 'key5', "\n" => 'newline as key',
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"\t" => "tab as key", "'" => 'single quote as key',
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'"' => 'double quote as key', "\0" => "null char as key")
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);
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/* looping to test array_rand() function with different arrays having
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* different types of keys
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*/
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$counter = 1;
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foreach($asso_arrays as $input) {
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echo "\n-- Iteration $counter --\n";
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// with default argument
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echo"\nWith default argument\n";
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var_dump( array_rand($input) );
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// with default and optional arguments
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echo"\nWith num_req = 1\n";
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var_dump( array_rand($input, 1) ); // with $num_req=1
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echo"\nWith num_req = 2\n";
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var_dump( array_rand($input, 2) ); // with $num_req=2
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$counter++;
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} // end of for loop
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echo "Done";
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?>
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--EXPECTREGEX--
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\*\*\* Testing array_rand\(\) : with associative arrays \*\*\*
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-- Iteration 1 --
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With default argument
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int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
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With num_req = 1
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int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
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With num_req = 2
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array\(2\) {
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\[0\]=>
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int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
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\[1\]=>
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int\([012-][12.e]*[23e]*[34]*[5]*[6]*[7]*[8]*[9]*[0]*\)
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}
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-- Iteration 2 --
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With default argument
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string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
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With num_req = 1
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string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
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With num_req = 2
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array\(2\) {
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\[0\]=>
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string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
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\[1\]=>
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string\([0-9]*\) "[ot1 ]*[hnw2]*[eort]*[ew]*[e]*[l]*[v]*[e]*"
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}
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-- Iteration 3 --
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With default argument
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int\([23-]*[2570]*[345]*[58]*\)
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With num_req = 1
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int\([23-]*[2570]*[345]*[58]*\)
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With num_req = 2
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array\(2\) {
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\[0\]=>
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int\([23-]*[2570]*[345]*[58]*\)
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\[1\]=>
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int\([23-]*[2570]*[345]*[58]*\)
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}
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-- Iteration 4 --
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With default argument
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int\([18-]*[023]*[8]*\)
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With num_req = 1
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int\([18-]*[023]*[8]*\)
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With num_req = 2
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array\(2\) {
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\[0\]=>
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int\([18-]*[023]*[8]*\)
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\[1\]=>
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int\([18-]*[023]*[8]*\)
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}
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-- Iteration 5 --
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With default argument
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int\([01]\)
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With num_req = 1
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int\([01]\)
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With num_req = 2
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array\(2\) {
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\[0\]=>
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int\([01]\)
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\[1\]=>
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int\([01]\)
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}
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-- Iteration 6 --
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With default argument
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string\([0-9]*\) "[#&!N <\n\t'"\0]*[U#$>]*[rL]*[L]*"
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With num_req = 1
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string\([0-9]*\) "[#&!N <\n\t'"\0]*[U#$>]*[rL]*[L]*"
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With num_req = 2
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array\(2\) {
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\[0\]=>
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string\([0-9]*\) "[#&!N <\n\t'"\0]*[U#$>]*[rL]*[L]*"
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\[1\]=>
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string\([0-9]*\) "[#&!N <\n\t'"\0]*[U#$>]*[rL]*[L]*"
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}
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Done
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