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noob
answered Aug 19 '21 00:00
Following function removed from PHP 7 onward :1.
constructors (methods that have the same name as the class they are defined in) are deprecated in PHP 7 , If someone try to construct class by the same name as the class they are defined in PHP 7 , it generates error as below :
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP;
2.
ldap_sort() is deprecated in PHP 7 .
capture_session_meta SSL context option has been deprecated.
password_hash() function has been deprecated .
Static calls to methods that are not declared static are deprecated .
PHP 7 some functions are changed which is listed below :
1 . In PHP 7 as compare to PHP 5, debug_zval_dump() [/b ] function prints "int" instead of "long", and "float" instead of "double"
2. In PHP 7 , [b] dirname() function optionally takes a second parameter, depth, to get the name of the directory depth levels up from the current directory. in PHP 5 dirname() function dont have depth as second parameter
3. In PHP 7 , getrusage() function is now supported on Windows which is not at PHP 5 .
4. In PHP 7 , mktime() and gmmktime() functions no longer accept is_dst parameter. On other hand in PHP 5 mktime() and gmmktime() functions accept is_dst parameter
5. PHP 5 have preg_replace() function which no longer supported in PHP 7 . preg_replace_callback() should be used in PHP 7.
6. in PHP 7 , setlocale() function no longer accepts category passed as string. LC_* constants must be used instead.
7. in PHP 7 , exec() , system() and passthru() functions have NULL byte protection now.
a resource instead of an
8. shmop_open() returns an int in PHP 5 which is changed to resource instead , which has to be passed to shmop_size(), shmop_write(), shmop_read(), shmop_close() and shmop_delete().
9. substr() and iconv_substr() now return an empty string, if string is equal to start characters long in PHP 7.
10 . xml_parser_free() function was used to free the parser resource in PHP 5 which is no longer sufficient to free the parser resource.
Following is the new function in PHP 7 :
Closure::call()
random_bytes()
random_int()
error_clear_last()
Generator::getReturn()
gmp_random_seed()
intdiv()
preg_replace_callback_array()
gc_mem_caches()
get_resources()
posix_setrlimit()
ReflectionParameter::getType()
ReflectionParameter::hasType()
ReflectionFunctionAbstract::getReturnType()
ReflectionFunctionAbstract::hasReturnType()
ZipArchive::setCompressionIndex()
ZipArchive::setCompressionName()
inflate_add()
deflate_add()
inflate_init()
deflate_init()
In addition :
PHP 7 adds support for return type declarations.
PHP 7 adds spaceship operator.
PHP 7 adds Scalar type declarations .
PHP 7 adds Null coalescing operator .
PHP 7 adds Constant arrays using define().
PHP 7 adds Anonymous classes support .
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