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PHP strncmp() Function
The strncmp() is predefine string function of PHP. It is used to compare two strings. This function strncmp() is binary-safe, case-sensitive and similar to strcmp() function but strcmp() have no the length parameter.
The strncmp () function is often used in programming and web development for string operation.
Syntax:
| Parameter | Description | Required/Optional |
|---|---|---|
| String1 | Specify the first string to compare | Required |
| String2 | Specify the second string to compare | Required |
| Length | Specify the number of character for comparison. | Required |
The strncmp () function:
- Returns 0 : if the two string is equal.
- Returns <0 : if string 1 is less than string2.
- Return >0 : if string1 is greater than string 2.
Example 1
Output:
By using 'strcmp()' function: 0
Example 2
Output:
By using 'strcmp()' function:-9
Example 3
Output:
By using 'strcmp()' function:9
See Also :
- str_word_count() : It is used to count the number of words in a string.
- strcasecmp() : It is used to compare two strings.
- strchr() : It is used to find the first occurrence of a string inside another string.
Reference:
http://php.net/manual/en/function.strncmp.php
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