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79 lines
2.7 KiB
Plaintext
79 lines
2.7 KiB
Plaintext
PHP 8.0 INTERNALS UPGRADE NOTES
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1. Internal API changes
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a. Object Handlers API
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b. ZEND_OVERLOADED_FUNCTION and corresponding call_method() object handler
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c. TSRM changes
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d. get() and set() object handlers
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e. zend_parse_parameters 'L' specifier
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f. Arginfo argument types
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2. Build system changes
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a. Abstract
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b. Unix build system changes
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c. Windows build system changes
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3. Module changes
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========================
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1. Internal API changes
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========================
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a. Object Handlers API and some related functions, e.g. zend_call_method() and
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zend_objects_clone_obj() were changed to receive zend_object* instead of
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zval* and zend_string* instead of zval* for property names.
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b. ZEND_OVERLOADED_FUNCTION and corresponding call_method() object handler
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were removed. ZEND_INTERNAL_FUNCTION with ZEND_ACC_CALL_VIA_HANDLER and
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defined "handler" callback should be used instead. This "handler" callback
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should also take care about function cleanup. See ext/zend_test/test.c
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for example.
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c. The following things have been removed from TSRM:
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- TSRMLS_DC
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- TSRMLS_D
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- TSRMLS_CC
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- TSRMLS_C
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- TSRMLS_FETCH
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- TSRMLS_FETCH_FROM_CTX
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- TSRMLS_SET_CTX
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- tsrm_new_interpreter_context
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- tsrm_set_interpreter_context
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- tsrm_free_interpreter_context
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- support for GNUPTH, SGI ST, and BETHREADS
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d. The get() and set() object handlers have been removed. The get() handler
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can generally be replaced with cast_object(). Some uses of set() may be
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replaced by do_operation(). If set() was used to overload direct
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assignments using "=", then this is no longer supported and the
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functionality should be provided in some other way (for example, as
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modification of an object property).
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e. The zend_parse_parameters 'L' specifier and the Z_PARAM_STRICT_LONG()
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family of macros have been removed. Use 'l' and Z_PARAM_LONG() instead,
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which, despite the confusing name, actually have stricter input validation.
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f. Arginfo argument types for internal functions are no longer checked.
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Instead type checks should be performed using the zend_parse_parameters()
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or ZEND_PARSE_PARAMETERS_*() APIs.
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========================
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2. Build system changes
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========================
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a. Abstract
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- Symbol HAVE_HASH_EXT is removed and is no longer defined. It should be
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considered to have hash extension always available since PHP 7.4.
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b. Unix build system changes
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1. --enable-maintainer-zts is renamed --enable-zts for parity with Windows
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and as recognition that ZTS is not a "maintainer" or experimental feature.
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c. Windows build system changes
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========================
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3. Module changes
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========================
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