Add smart_str_append for appending zend_strings

Also replaces usages in Zend/ and ext/standard

s/PHP 5/PHP 7/

Switch (un)mangle property name to size_t and zend_string

Also use the _ex variants where possible.

's' works with size_t round 3

's' works with size_t round 2

first show to make 's' work with size_t

master renames phase 1

fixes to %pd format usage

yet more fixes to zpp

further fixes on core

fix macros in the 5 basic extensions

Introduced immutable arrays. They don't need to be copyed and may be used directly from SHM.

Split IS_BOOL into IS_FALSE and IS_TRUE

Fixed compilaation warnings

Combine HashTable.flags and HashTable.nApplyCount into single 32-bit word

Use ZEND_FETCH_FOREACH_* macros to iterate over HashTables instead of zend_hash_move_forward() and family.

Refactored zend_hash_* iteration API zend_hash_fove_forward_ex(ht, pos) and family require second argument to be real pointer.
&(ht)->nInternalPointer should be passed instead of NULL.
zend_h

Refactored zend_hash_* iteration API zend_hash_fove_forward_ex(ht, pos) and family require second argument to be real pointer.
&(ht)->nInternalPointer should be passed instead of NULL.
zend_hash_update_current_key() may work only with internal pointer.

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Refactored IS_INDIRECT usage for CV and object properties to support HashTable resizing

Refactor php_url_(en|de)code to return zend_string

Fixed NULL pointer dereference in php_url_encode_hash_ex

Fixed test ext/standard/tests/strings/bug26817.php

Refacting smart_str

Use better data structures (incomplete)

Bump year

HASH_KEY_NON_EXISTANT fix