* ext/bz2: applied fixers to improve test robustness
* ext/calendar: applied fixers to improve test robustness
* ext/exif: applied fixers to improve test robustness
* ext/fileinfo: applied fixers to improve test robustness
* ext/filter: applied fixers to improve test robustness
* ext/ftp: applied fixers to improve test robustness
* ext/hash: applied fixers to improve test robustness
* ext/iconv: applied fixers to improve test robustness
* ext/ldap: applied fixers to improve test robustness
* ext/pcre: applied fixers to improve test robustness
* ext/posix: applied fixers to improve test robustness
* ext/readline: applied fixers to improve test robustness
* ext/shmop: applied fixers to improve test robustness
* ext/snmp: applied fixers to improve test robustness
* ext/sodium: applied fixers to improve test robustness
* ext/sqlite3: applied fixers to improve test robustness
* ext/sysvmsg: applied fixers to improve test robustness
* ext/sysvsem: applied fixers to improve test robustness
* ext/sysvshm: applied fixers to improve test robustness
* ext/tidy: applied fixers to improve test robustness
* ext/tokenizer: applied fixers to improve test robustness
* ext/zend_test: applied fixers to improve test robustness
* ext/zlib: applied fixers to improve test robustness
similar to what have been done for pdo/sqlite as having statement
explain support to simulate how a query would operate or
for more advanced users, analysing the VM routines used
for possible optimisations.
close GH-18853