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(PHP 5)
substr_compare — Binary safe optionally case insensitive comparison of 2 strings from an offset, up to length characters
Description
int substr_compare ( string $main_str, string $str, int $offset [, int $length [, bool $case_insensitivity]] )
substr_compare() compares main_str from position offset with str up to length characters.
Returns < 0 if main_str from position offset is less than str, > 0 if it is greater than str, and 0 if they are equal. If length is equal or greater than length of main_str and length is set, substr_compare() prints warning and returns FALSE.
If case_insensitivity is TRUE, comparison is case insensitive.
<?php
echo substr_compare("abcde", "bc", 1, 2); // 0
echo substr_compare("abcde", "bcg", 1, 2); // 0
echo substr_compare("abcde", "BC", 1, 2, true); // 0
echo substr_compare("abcde", "bc", 1, 3); // 1
echo substr_compare("abcde", "cd", 1, 2); // -1
echo substr_compare("abcde", "abc", 5, 1); // warning
?>
Doing for this function is string
Add by Pancho
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Distant Star's Sound Waves Reveal Cycle Similar to Sun
In a bid to unlock long-standing mysteries of the sun, including the impacts on Earth of its 11-year cycle, an international team of scientists has successfully probed a distant star. By monitoring the star's sound waves, the team has observed a magnetic cycle analogous to the sun's solar cycle. Results of the study, conducted by scientists at the U.S. National Center for Atmospheric Research (NCAR) in Boulder, Colo., and colleagues in France and Spain, are published this ...
More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=117554&WT.mc_id=USNSF_51&WT.mc_ev=click
This is an NSF News item.
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