: This article mainly introduces phpstrcasecmp and strncasecmp functions. For more information about PHP tutorials, see. Strcasecmp () function
Definition: The strcasecmp () function compares two strings.
Syntax: strcasecmp (string1, string2 );
Parameter list
Parameters |
Description |
String1 |
Required. Specifies the first string to be compared. |
String2 |
Required. Specifies the second string to be compared. |
Returned values:
Return value: |
This function returns: |
Equal to 0 |
If the two strings are equal
|
Less than 0 |
If string1 is smaller than string2
|
Greater than 0 |
If string1 is greater than string2
|
PHP version |
4 + |
Strncasecmp () function
Definition: The strcasecmp () function compares two strings.
Syntax: strncasecmp (string1, string2, length );
Parameter list
Parameters |
Description |
String1 |
Required. Specifies the first string to be compared. |
String2 |
Required. Specifies the second string to be compared. |
Length |
Required. Specifies the number of characters each character string is used for comparison. |
Returned values:
Return value: |
This function returns: |
Equal to 0 |
If the two strings are equal
|
Less than 0 |
If string1 is smaller than string2
|
Greater than 0 |
If string1 is greater than string2
|
PHP version |
4 + |
Note: the difference between strcasecmp () and strncasecmp () is that strncasecmp () has a specified length of comparing characters.
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The above introduces the strcasecmp and strncasecmp functions in php, including some content, and hope to help those who are interested in PHP tutorials.