New functions in PHP7

• The GMP module has added the gmp_random_seed() function.
• PCRE adds the preg_replace_callback_array method. RFC: https://wiki.php.net/rfc/preg_replace_callback_array
• Added intdiv() function.
• Added error_clear_last() function to reset error status.
• Added ZipArchive::setComapressionIndex() and ZipArchive::setCompressionName() to set the compression method.

• Added deflate_init(), deflate_add(), inflate_init(), inflate_add().

PHP intdiv() function

<?php
echo intdiv(9,3),PHP_EOL;
echo intdiv(10,3),PHP_EOL;
echo intdiv(5,10),PHP_EOL;
?>

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