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--TEST--
Test strncmp() function : basic functionality
--FILE--
<?php
/* Prototype : int strncmp ( string $str1, string $str2, int $len );
* Description: Binary safe case-sensitive string comparison of the first n characters
* Source code: Zend/zend_builtin_functions.c
*/
echo "*** Testing strncmp() function: basic functionality ***\n";
echo "-- Testing strncmp() with single quoted string --\n";
var_dump( strncmp('Hello', 'Hello', 5) ); //expected: int(0)
var_dump( strncmp('Hello', 'Hi', 5) ); //expected: value < 0
var_dump( strncmp('Hi', 'Hello', 5) ); //expected: value > 0
echo "-- Testing strncmp() with double quoted string --\n";
var_dump( strncmp("Hello", "Hello", 5) ); //expected: int(0)
var_dump( strncmp("Hello", "Hi", 5) ); //expected: value < 0
var_dump( strncmp("Hi", "Hello", 5) ); //expected: value > 0
echo "-- Testing strncmp() with here-doc string --\n";
$str = <<<HEREDOC
Hello
HEREDOC;
var_dump( strncmp($str, "Hello", 5) ); //expected: int(0)
var_dump( strncmp($str, "Hi", 5) ); //expected: value < 0
var_dump( strncmp("Hi", $str, 5) ); //expected: value > 0
echo "*** Done ***";
?>
--EXPECTREGEX--
\*\*\* Testing strncmp\(\) function: basic functionality \*\*\*
-- Testing strncmp\(\) with single quoted string --
int\(0\)
int\(-[1-9][0-9]*\)
int\([1-9][0-9]*\)
-- Testing strncmp\(\) with double quoted string --
int\(0\)
int\(-[1-9][0-9]*\)
int\([1-9][0-9]*\)
-- Testing strncmp\(\) with here-doc string --
int\(0\)
int\(-[1-9][0-9]*\)
int\([1-9][0-9]*\)
\*\*\* Done \*\*\*
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