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# strcasecmp

(PHP 3>= 3.0.2, PHP 4 , PHP 5)

strcasecmp -- Binary safe case-insensitive string comparison

## Description

int strcasecmp ( string str1, string str2)

Returns < 0 if str1 is less than str2; > 0 if str1 is greater than str2, and 0 if they are equal.

示範 1.strcasecmp() example
`<?php $var1 = "Hello"; $var2 = "hello"; if (strcasecmp($var1, $var2) == 0) { echo '$var1 is equal to $var2 in a case-insensitive string comparison'; } ?>`

See also ereg(), strcmp(), substr(), stristr(), strncasecmp(), and strstr().

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