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<?php

class array_test extends CI_TestCase {

public function test_bootstrap()

{

if (is_php('5.5'))

{

return $this->markTestSkipped('All array functions are already available on PHP 5.5');

}

elseif ( ! is_php('5.3'))

{

$this->assertTrue(function_exists('array_replace'));

$this->assertTrue(function_exists('array_replace_recursive'));

}

$this->assertTrue(function_exists('array_column'));

}

// ------------------------------------------------------------------------

/**

* array_column() test

*

* Borrowed from PHP's own tests

*

* @depends test_bootstrap

*/

public function test_array_column()

{

// Basic tests

$input = array(

array(

'id' => 1,

'first_name' => 'John',

'last_name' => 'Doe'

),

array(

'id' => 2,

'first_name' => 'Sally',

'last_name' => 'Smith'

),

array(

'id' => 3,

'first_name' => 'Jane',

'last_name' => 'Jones'

)

);

// Ensure internal array position doesn't break it

next($input);

$this->assertEquals(

array('John', 'Sally', 'Jane'),

array_column($input, 'first_name')

);

$this->assertEquals(

array(1, 2, 3),

array_column($input, 'id')

);

$this->assertEquals(

array(

1 => 'Doe',

2 => 'Smith',

3 => 'Jones'

),

array_column($input, 'last_name', 'id')

);

$this->assertEquals(

array(

'John' => 'Doe',

'Sally' => 'Smith',

'Jane' => 'Jones'

),

array_column($input, 'last_name', 'first_name')

);

// Object key search

$f = new Foo();

$b = new Bar();

$this->assertEquals(

array('Doe', 'Smith', 'Jones'),

array_column($input, $f)

);

$this->assertEquals(

array(

'John' => 'Doe',

'Sally' => 'Smith',

'Jane' => 'Jones'

),

array_column($input, $f, $b)

);

// NULL parameters

$input = array(

456 => array(

'id' => '3',

'title' => 'Foo',

'date' => '2013-03-25'

),

457 => array(

'id' => '5',

'title' => 'Bar',

'date' => '2012-05-20'

)

);

$this->assertEquals(

array(

3 => array(

'id' => '3',

'title' => 'Foo',

'date' => '2013-03-25'

),

5 => array(

'id' => '5',

'title' => 'Bar',

'date' => '2012-05-20'

)

),

array_column($input, NULL, 'id')

);

$this->assertEquals(

array(

array(

'id' => '3',

'title' => 'Foo',

'date' => '2013-03-25'

),

array(

'id' => '5',

'title' => 'Bar',

'date' => '2012-05-20'

)

),

array_column($input, NULL, 'foo')

);

$this->assertEquals(

array(

array(

'id' => '3',

'title' => 'Foo',

'date' => '2013-03-25'

),

array(

'id' => '5',

'title' => 'Bar',

'date' => '2012-05-20'

)

),

array_column($input, NULL)

);

// Data types

$fh = fopen(__FILE__, 'r', TRUE);

$stdClass = new stdClass();

$input = array(

array(

'id' => 1,

'value' => $stdClass

),

array(

'id' => 2,

'value' => 34.2345

),

array(

'id' => 3,

'value' => TRUE

),

array(

'id' => 4,

'value' => FALSE

),

array(

'id' => 5,

'value' => NULL

),

array(

'id' => 6,

'value' => 1234

),

array(

'id' => 7,

'value' => 'Foo'

),

array(

'id' => 8,

'value' => $fh

)

);

$this->assertEquals(

array(

$stdClass,

34.2345,

TRUE,

FALSE,

NULL,

1234,

'Foo',

$fh

),

array_column($input, 'value')

);

$this->assertEquals(

array(

1 => $stdClass,

2 => 34.2345,

3 => TRUE,

4 => FALSE,

5 => NULL,

6 => 1234,

7 => 'Foo',

8 => $fh

),

array_column($input, 'value', 'id')

);

// Numeric column keys

$input = array(

array('aaa', '111'),

array('bbb', '222'),

array('ccc', '333', -1 => 'ddd')

);

$this->assertEquals(

array('111', '222', '333'),

array_column($input, 1)

);

$this->assertEquals(

array(

'aaa' => '111',

'bbb' => '222',

'ccc' => '333'

),

array_column($input, 1, 0)

);

$this->assertEquals(

array(

'aaa' => '111',

'bbb' => '222',

'ccc' => '333'

),

array_column($input, 1, 0.123)

);

$this->assertEquals(

array(

0 => '111',

1 => '222',

'ddd' => '333'

),

array_column($input, 1, -1)

);

// Non-existing columns

$this->assertEquals(array(), array_column($input, 2));

$this->assertEquals(array(), array_column($input, 'foo'));

$this->assertEquals(

array('aaa', 'bbb', 'ccc'),

array_column($input, 0, 'foo')

);

$this->assertEquals(array(), array_column($input, 3.14));

// One-dimensional array

$this->assertEquals(array(), array_column(array('foo', 'bar', 'baz'), 1));

// Columns not present in all rows

$input = array(

array('a' => 'foo', 'b' => 'bar', 'e' => 'bbb'),

array('a' => 'baz', 'c' => 'qux', 'd' => 'aaa'),

array('a' => 'eee', 'b' => 'fff', 'e' => 'ggg')

);

$this->assertEquals(

array('qux'),

array_column($input, 'c')

);

$this->assertEquals(

array('baz' => 'qux'),

array_column($input, 'c', 'a')

);

$this->assertEquals(

array(

0 => 'foo',

'aaa' => 'baz',

1 => 'eee'

),

array_column($input, 'a', 'd')

);

$this->assertEquals(

array(

'bbb' => 'foo',

0 => 'baz',

'ggg' => 'eee'

),

array_column($input, 'a', 'e')

);

$this->assertEquals(

array('bar', 'fff'),

array_column($input, 'b')

);

$this->assertEquals(

array(

'foo' => 'bar',

'eee' => 'fff'

),

array_column($input, 'b', 'a')

);

}

// ------------------------------------------------------------------------

/**

* array_replace(), array_replace_recursive() tests

*

* Borrowed from PHP's own tests

*

* @depends test_bootstrap

*/

public function test_array_replace_recursive()

{

if (is_php('5.3'))

{

return $this->markTestSkipped('array_replace() and array_replace_recursive() are already available on PHP 5.3');

}

$array1 = array(

0 => 'dontclobber',

'1' => 'unclobbered',

'test2' => 0.0,

'test3' => array(

'testarray2' => TRUE,

1 => array(

'testsubarray1' => 'dontclobber2',

'testsubarray2' => 'dontclobber3'

)

)

);

$array2 = array(

1 => 'clobbered',

'test3' => array(

'testarray2' => FALSE

),

'test4' => array(

'clobbered3' => array(0, 1, 2)

)

);

// array_replace()

$this->assertEquals(

array(

0 => 'dontclobber',

1 => 'clobbered',

'test2' => 0.0,

'test3' => array(

'testarray2' => FALSE

),

'test4' => array(

'clobbered3' => array(0, 1, 2)

)

),

array_replace($array1, $array2)

);

// array_replace_recursive()

$this->assertEquals(

array(

0 => 'dontclobber',

1 => 'clobbered',

'test2' => 0.0,

'test3' => array(

'testarray2' => FALSE,

1 => array(

'testsubarray1' => 'dontclobber2',

'testsubarray2' => 'dontclobber3'

)

),

'test4' => array(

'clobbered3' => array(0, 1, 2)

)

),

array_replace_recursive($array1, $array2)

);

}

}

// ------------------------------------------------------------------------

// These are necessary for the array_column() tests

class Foo {

public function __toString()

{

return 'last_name';

}

}

class Bar {

public function __toString()

{

return 'first_name';

}

}