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23a5be3696
This is part of https://wiki.php.net/rfc/case_insensitive_constant_deprecation. This commit only removes the ability to declare such constants from userland. Before the functionality can be removed entirely, it's necessary to figure out the handling of true/false/null first.
153 lines
5.3 KiB
Plaintext
153 lines
5.3 KiB
Plaintext
PHP 8.0 UPGRADE NOTES
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1. Backward Incompatible Changes
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2. New Features
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3. Changes in SAPI modules
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4. Deprecated Functionality
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5. Changed Functions
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6. New Functions
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7. New Classes and Interfaces
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8. Removed Extensions and SAPIs
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9. Other Changes to Extensions
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10. New Global Constants
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11. Changes to INI File Handling
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12. Windows Support
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13. Other Changes
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14. Performance Improvements
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========================================
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1. Backward Incompatible Changes
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========================================
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- Core:
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. Methods with the same name as the class are no longer interpreted as
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constructors. The __construct() method should be used instead.
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. Removed (unset) cast.
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. Removed track_errors ini directive. This means that $php_errormsg is no
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longer available. The error_get_last() function may be used instead.
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. Removed the ability to define case-insensitive constants. The third
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argument to define() may no longer be true.
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. Removed create_function(). Anonymous functions may be used instead.
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. Removed each(). foreach or ArrayIterator should be used instead.
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- Filter:
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. The FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED flags for the
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FILTER_VALIDATE_URL filter have been removed. The scheme and host are (and
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have been) always required.
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- GD:
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. The deprecated function image2wbmp() has been removed.
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RFC: https://wiki.php.net/rfc/image2wbmp
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. The deprecated functions png2wbmp() and jpeg2wbmp() have been removed.
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RFC: https://wiki.php.net/rfc/deprecate-png-jpeg-2wbmp
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- GMP:
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. gmp_random() has been removed. One of gmp_random_range() or
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gmp_random_bits() should be used instead.
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- Intl:
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. The deprecated constant INTL_IDNA_VARIANT_2003 has been removed.
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RFC: https://wiki.php.net/rfc/deprecate-and-remove-intl_idna_variant_2003
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- Mbstring:
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. The mbstring.func_overload directive has been removed. The related
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MB_OVERLOAD_MAIL, MB_OVERLOAD_STRING, and MB_OVERLOAD_REGEX constants have
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also been removed. Finally, the "func_overload" and "func_overload_list"
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entries in mb_get_info() have been removed.
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. mb_parse_str() can no longer be used without specifying a result array.
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. A number of deprecated mbregex aliases have been removed. See the following
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list for which functions should be used instead:
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* mbregex_encoding() -> mb_regex_encoding()
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* mbereg() -> mb_ereg()
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* mberegi() -> mb_eregi()
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* mbereg_replace() -> mb_ereg_replace()
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* mberegi_replace() -> mb_eregi_replace()
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* mbsplit() -> mb_split()
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* mbereg_match() -> mb_ereg_match()
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* mbereg_search() -> mb_ereg_search()
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* mbereg_search_pos() -> mb_ereg_search_pos()
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* mbereg_search_regs() -> mb_ereg_search_regs()
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* mbereg_search_init() -> mb_ereg_search_init()
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* mbereg_search_getregs() -> mb_ereg_search_getregs()
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* mbereg_search_getpos() -> mb_ereg_search_getpos()
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* mbereg_search_setpos() -> mb_ereg_search_setpos()
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. The 'e' modifier for mb_ereg_replace() has been removed.
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mb_ereg_replace_callback() should be used instead.
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- SPL:
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. SplFileObject::fgetss() has been removed.
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- Standard:
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. assert() will no longer evaluate string arguments, instead they will be
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treated like any other argument. assert($a == $b) should be used instead of
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assert('$a == $b'). The assert.quiet_eval ini directive and
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ASSERT_QUIET_EVAL constants have also been removed, as they would no longer
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have any effect.
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. parse_str() can no longer be used without specifying a result array.
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. fgetss() has been removed.
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. The string.strip_tags filter has been removed.
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. The needle argument of strpos(), strrpos(), stripos(), strripos(), strstr(),
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strchr(), strrchr(), and stristr() will now always be interpreted as a
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string. Previously non-string needles were interpreted as an ASCII code
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point. An explicit call to chr() can be used to restore the previous
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behavior.
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- Zlib:
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. gzgetss() has been removed.
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========================================
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2. New Features
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========================================
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========================================
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3. Changes in SAPI modules
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========================================
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========================================
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4. Deprecated Functionality
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========================================
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========================================
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5. Changed Functions
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========================================
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========================================
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6. New Functions
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========================================
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========================================
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7. New Classes and Interfaces
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========================================
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========================================
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8. Removed Extensions and SAPIs
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========================================
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========================================
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9. Other Changes to Extensions
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========================================
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========================================
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10. New Global Constants
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========================================
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========================================
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11. Changes to INI File Handling
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========================================
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========================================
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12. Windows Support
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========================================
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========================================
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13. Other Changes
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========================================
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========================================
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14. Performance Improvements
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========================================
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