(PHP 5 >= 5.2.0, PHP 7)
Sort an array using a case insensitive "natural order" algorithm
public void ArrayObject::natcasesort ( void )
This method is a case insensitive version of ArrayObject::natsort.
This method implements a sort algorithm that orders alphanumeric strings in the way a human being would while maintaining key/value associations. This is described as a "natural ordering".
Returns:
No value is returned.
Examples:
ArrayObject::natcasesort() example
<?php $array = array('IMG0.png', 'img12.png', 'img10.png', 'img2.png', 'img1.png', 'IMG3.png'); $arr1 = new ArrayObject($array); $arr2 = clone $arr1; $arr1->asort(); echo "Standard sorting\n"; print_r($arr1); $arr2->natcasesort(); echo "\nNatural order sorting (case-insensitive)\n"; print_r($arr2); ?>
The above example will output:
Standard sorting ArrayObject Object ( [0] => IMG0.png [5] => IMG3.png [4] => img1.png [2] => img10.png [1] => img12.png [3] => img2.png ) Natural order sorting (case-insensitive) ArrayObject Object ( [0] => IMG0.png [4] => img1.png [3] => img2.png [5] => IMG3.png [2] => img10.png [1] => img12.png )
For more information see: Martin Pool's » Natural Order String Comparison page.
See also:
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