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php Programming Glossary: for_copy.......

php foreach, why using pass by reference of a array is fast?

http://stackoverflow.com/questions/7786580/php-foreach-why-using-pass-by-reference-of-a-array-is-fast

count_ref....... 0.118197 count_ref....... 0.123201 for_copy........ 0.190837 for_copy........ 0.191883 for_copy........ 0.193080.. count_ref....... 0.123201 for_copy........ 0.190837 for_copy........ 0.191883 for_copy........ 0.193080 for_copy........ 0.194947.. for_copy........ 0.190837 for_copy........ 0.191883 for_copy........ 0.193080 for_copy........ 0.194947 for_copy........ 0.195045..