PHP strcasecmp() Function
Mga halimbawa
Pagsamahin ang dalawang string (hindi nasisiwalat ang laki ng mga titik):
<?php echo strcasecmp("shanghai","SHANGHAI"); ?>
Definition and Usage
The strcasecmp() function compares two strings.
Tip:The strcasecmp() function is binary safe and case-insensitive.
Tip:The function is similar to strncasecmp() The function is similar, but differently, by using strncasecmp() you can specify the number of characters of each string used for comparison.
Syntax
strcasecmp(string1,string2)
Parameter | Description |
---|---|
string1 | Required. Specifies the first string to be compared. |
string2 | Required. Specifies the second string to be compared. |
Technical Details
Return Value: |
The function returns:
|
PHP Version: | 4+ |
More Examples
Example 1
Compare two strings (case-insensitive, HELLO and hELLo output the same):
<?php echo strcasecmp("Shanghai","SHANGHAI"); echo "<br>"; echo strcasecmp("Shanghai","sHANGHai"); ?>
Example 2
Different Return Values:
<?php echo strcasecmp("Hello world!","HELLO WORLD!"); // Two strings are equal echo strcasecmp("Hello world!","HELLO"); // string1 Greater than string2 echo strcasecmp("Hello world!","HELLO WORLD! HELLO!"); // string1 Less than string2 ?>