Php strncmp
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Contents |
PHP function strncmp
This function is a binary safe string comparision of two strings based on the first n characters length.
Syntax strncmp
- string1: string input 1
- string2: string to compare with string1.
- length: number of characters use for comparision for both strings.
strncmp(string1,string2, length);
Return
- 0: when two string equal.
- >0: string1 is greater than string2.
- <0: string2 is greater than string1.
Example 1
- 'Great' is greater than 'GREAT', Uppercase character is always consider smaller than lowercase.
<?php
echo strncmp("Great","GREAT",4);
?>
Output
1
Example 2
<?php
$aa_list = array(
'Fish',
'Fun',
'Find',
'File',
'Fight',
'Fund',
'Function'
);
$aa_search = array();
foreach ($aa_list as $word) {
$aa_search[$word] = strncmp($word, 'Fun', 3);
}
print_r($aa_search);
?>
Output
Array
(
[Fish] => -1
[Fun] => 0
[Find] => -1
[File] => -1
[Fight] => -1
[Fund] => 0
[Function] => 0
)
