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5 Smashing Changes
Your Extension Will
Encounter at PHP7
PHP BLT #1 / @Misumi_Rize
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var_dump($me);
→ Twitter @Misumi_Rize
→ GitHub @MisumiRize
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Today I talk
about...
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phpize
./configure
make
make install
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Upgrading
extensions
for PHP7
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gophp7-ext Extensions Catalog
https://github.com/gophp7/gophp7-ext/wiki/
extensions-catalog
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How can I
upgrade my
extension?
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Upgrading PHP extensions from PHP5 to NG
https://wiki.php.net/phpng-upgrading
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First of all:
75% of code
will change
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Create
another
branch
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php-memcached "php7" branch
https://github.com/php-memcached-dev/php-
memcached/tree/php7
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Note
When installing extesions from GitHub, pickle is
suitable
https://github.com/FriendsOfPHP/pickle
./bin/pickle install https://github.com/php-memcached-dev/php-memcached.git#php7
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5 Smashing
Changes
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1. zval
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zval
→ zval** Z_*_PP() is obsolete
→ Change to use zval*
→ PHP7 frequently uses zval directly
→ ALLOC_ZVAL, ALLOC_INIT_ZVAL, MAKE_STD_ZVAL has
removed
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2. char* at PHP
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zend_string
→ Replacement of char* and int length
→ Many of PHP's API using char* has replaced to
zend_string
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3. smart_str
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smart_string
→ smart_str is only renamed to smart_string
→ Struct's member is also renamed
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4. HashTable
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HashTable
→ Most API returns values, not SUCCESS, FAILURE
→ char*, length based API (similar to PHP5) remains
→ But length is changed to exclude trailing zero
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5. Objects
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Conclusion
→ There's no best practice to upgrade extension
now
→ Reading core extensions will help
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Addition: interesting thing I've found
#if (PHP_MAJOR_VERSION >= 6)