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php strcmp() function

Chinese translationRecent Updates：2018-04-18 09:08:57

String comparison function; comparison function; string comparison

php strcmp() function Video explanation

php strcmp() function syntax

Function:Compare two strings (case sensitive)

Syntax: strcmp(string1,string2)

Parameters:

Parameters	Description
string1	Required, specifies the first string to be compared.
string2	Required, specifies the second string to be compared.

Description: strcmp() function compares two strings. The strcmp() function is binary-safe and case-sensitive. If the two strings are equal, 0 is output. If string1 is less than string2, the output value is less than 0. If string1 is greater than string2, the output value is greater than 0.

php strcmp() function example

<?php
$i = "Hello world";
$j = "HELLO WORLD";
echo strcmp($i,$j);
?>

Click the "Run instance" button to view the online instance

Output:

<?php
echo strcmp("str1", "str2");
?>

Click the "Run Instance" button to view the online instance

Output:

-1

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