How to determine if two strings are equal in php

How PHP determines whether two strings are equal: You can use the strncmp() function to determine. The specific usage is: [strncmp("hello", "hello", 6)]. The strncmp() function is used to compare two strings (case-sensitive) and returns 0 if the two strings are equal.

strncmp() function compares two strings (case sensitive).

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Return value:

• 0 - If the two strings are equal

• <0 - if string1 is less than string2

• >0 - if string1 is greater than string2

Function syntax:

strncmp(string1,string2,length)

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Parameter description:

• string1 Required. Specifies the first string to compare.

• #string2 Required. Specifies the second string to be compared.​

• #length Required. Specifies the number of characters per string used for comparison.

Code implementation:

<?php
echo strncmp("Hello","Hello",6);
echo "<br>";
echo strncmp("Hello","hELLo",6);
?>

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