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sha1 in PHP |
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(PHP 4 >= 4.3.0, PHP 5, PECL hash:1.1-1.3)
sha1 — Calculate the sha1 hash of a string Description string sha1 ( string $str [, bool $raw_output] ) Calculates the sha1 hash of str using the » US Secure Hash Algorithm 1, and returns that hash. The hash is a 40-character hexadecimal number. If the optional raw_output is set to TRUE, then the sha1 digest is instead returned in raw binary format with a length of 20. Note: The optional raw_output parameter was added in PHP 5.0.0 and defaults to FALSE <?php $str = 'apple'; if (sha1($str) === 'd0be2dc421be4fcd0172e5afceea3970e2f3d940') { echo "Would you like a green or red apple?"; exit; } ?> Doing for this function is string Add by Pancho You can edit it here |
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| Green Bank Telescope Enables "Intensity Mapping" to Shed Light on Mysteries of Dark Energy
Using the world's largest, fully steerable radio telescope--the National Science Foundation's Robert C. Byrd Green Bank Telescope (GBT) in W.Va.--an international team of researchers has given astronomers the promise of a new tool for mapping the universe and gaining valuable clues about the nature of the mysterious "dark energy" believed to constitute nearly three-fourths of the universe's mass and energy. "Intensity Mapping" offers the potential for ...
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