PHP natcasesort () function
Definition and Usage
natcasesort () function uses a "natural order" algorithm to sort the array. Keys retain their original keys.
Natural sorting algorithm, the number is smaller than the number 10. In computer sorting algorithms, 10 is less than 2, because the "10" the first number is less than 2.
This function is not case-sensitive.
If successful, the function returns TRUE, on failure returns FALSE.
grammar
natcasesort(array)
参数 | 描述 |
---|---|
array | 必需。规定要进行排序的数组。 |
Examples
<?php
$temp_files = array("temp15.txt","Temp10.txt",
"temp1.txt","Temp22.txt","temp2.txt");
natsort($temp_files);
echo "Natural order: ";
print_r($temp_files);
echo "<br />";
natcasesort($temp_files);
echo "Natural order case insensitve: ";
print_r($temp_files);
?>
$temp_files = array("temp15.txt","Temp10.txt",
"temp1.txt","Temp22.txt","temp2.txt");
natsort($temp_files);
echo "Natural order: ";
print_r($temp_files);
echo "<br />";
natcasesort($temp_files);
echo "Natural order case insensitve: ";
print_r($temp_files);
?>
The above code will output:
Natural order:
Array
(
[0] => Temp10.txt
[1] => Temp22.txt
[2] => temp1.txt
[4] => temp2.txt
[3] => temp15.txt
)
Natural order case insensitve:
Array
(
[2] => temp1.txt
[4] => temp2.txt
[0] => Temp10.txt
[3] => temp15.txt
[1] => Temp22.txt
)
Array
(
[0] => Temp10.txt
[1] => Temp22.txt
[2] => temp1.txt
[4] => temp2.txt
[3] => temp15.txt
)
Natural order case insensitve:
Array
(
[2] => temp1.txt
[4] => temp2.txt
[0] => Temp10.txt
[3] => temp15.txt
[1] => Temp22.txt
)
Complete PHP Array Reference