PHP strcmp() Function
In this chapter you will learn:
- Definition for PHP strcmp() Function
- Syntax for PHP strcmp() Function
- Parameter for PHP strcmp() Function
- Return for PHP strcmp() Function
- Example - Compare two words
Definition
The strcmp() function, and its case-insensitive sibling,
strcasecmp(), is a quick way of
comparing two words.
Syntax
PHP strcmp() Function has the following syntax.
int strcmp ( string str1, string str2 )Parameter
PHP strcmp() Function takes two words for its two parameters
Return
PHP strcmp() Function returns
- -1 if word one comes alphabetically before word two,
- 1 if word one comes alphabetically after word two, or
- 0 if word one and word two are the same.
Example
<?PHP/*from j a va2 s. com*/
$string1 = "java";
$string2 = "php";
$result = strcmp($string1, $string2);
switch ($result) {
case -1: print "string1 comes before string2"; break;
case 0: print "string1 and string2 are the same"; break;
case 1: print "string1 comes after string2"; break;
}
?>
Capital letters come before their lowercase equivalents. For example, "PHP" will come before "php."
The code above generates the following result.
Next chapter...
What you will learn in the next chapter:
- Definition for PHP strcoll() Function
- Syntax for PHP strcoll() Function
- Parameter for PHP strcoll() Function
- Return for PHP strcoll() Function
- Note for PHP strcoll() Function
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