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PHP string strcasecmp() function

PHP string strcasecmp() is predefine function. It is used to compare two given string. It is binary safe and case-insensitive. It is similar to the strncasecmp() function.

It returns:

  • If the two strings are equal: [ 0 ]
  • If string1 is less than string2: [< 0]
  • If string1 is greater than string2: > 0

Syntax:

Parameter Description Required/Optional
string 1 Specify first string to compare. Required.
String2 Specify the second string to compare. Reuired.

Example 1

Output:

Your first string is:JavaTPOINT
Your second string is:JAVAtpoint
0

Example 2

Output:

By using strcasecmp() function:0
using strcasecmp() function:0

Example 3

Output:

-75
-7

Example 4

Output:

$str is equal to $vstr2 in a case-insensitive string comparison

Reference:

http://php.net/manual/en/function.strcasecmp.php
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