Changelog

The following changes have been made to classes/functions/methods of this extension.

Version	Function	Description
8.2.0	utf8_decode	This function has been deprecated.
	utf8_encode	This function has been deprecated.
8.1.0	get_html_translation_table	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	html_entity_decode	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	htmlentities	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	htmlspecialchars	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
	htmlspecialchars_decode	flags changed from ENT_COMPAT to ENT_QUOTES \| ENT_SUBSTITUTE \| ENT_HTML401.
8.0.0	convert_uuencode	Prior to this version, trying to convert an empty string returned false for no particular reason.
	count_chars	Prior to this version, the function returned false on failure.
	crypt	The salt is no longer optional.
	explode	explode will now throw ValueError when separator parameter is given an empty string (""). Previously, explode returned false instead.
	html_entity_decode	encoding is nullable now.
	htmlentities	encoding is nullable now.
	implode	Passing the separator after the array is no longer supported.
	levenshtein	Prior to this version, levenshtein had to be called with either two or five arguments.
	metaphone	The function returned false on failure.
	number_format	Prior to this version, number_format accepted one, two, or four parameters (but not three).
	parse_str	result is no longer optional.
	soundex	Prior to this version, calling the function with an empty string returned false for no particular reason.
	sprintf	This function no longer returns false on failure.
	str_split	If length is less than 1, a ValueError will be thrown now; previously, an error of level E_WARNING has been raised instead, and the function returned false.
	str_word_count	characters is nullable now.
	strcspn	length is nullable now.
	strip_tags	allowed_tags is nullable now.
	stripos	Passing an int as needle is no longer supported.
	stristr	Passing an int as needle is no longer supported.
	strpos	Passing an int as needle is no longer supported.
	strrchr	Passing an int as needle is no longer supported.
	strripos	Passing an int as needle is no longer supported.
	strrpos	Passing an int as needle is no longer supported.
	strspn	length is nullable now.
	strstr	Passing an int as needle is no longer supported.
	substr	length is nullable now. When length is explicitly set to null, the function returns a substring finishing at the end of the string, when it previously returned an empty string.
	substr	The function returns an empty string where it previously returned false.
	substr_compare	length is nullable now.
	substr_count	length is nullable now.
	substr_replace	length is nullable now.
	vsprintf	This function no longer returns false on failure.
7.4.0	chr	The function no longer silently accepts unsupported codepoints, and casts these to 0.
	implode	Passing the separator after the array (i.e. using the legacy signature) has been deprecated.
	money_format	This function has been deprecated. Instead, use NumberFormatter::formatCurrency.
	str_getcsv	The escape parameter now interprets an empty string as signal to disable the proprietary escape mechanism. Formerly, an empty string was treated like the default parameter value.
	strip_tags	The allowed_tags now alternatively accepts an array.
7.3.0	stripos	Passing an int as needle has been deprecated.
	stristr	Passing an int as needle has been deprecated.
	strpos	Passing an int as needle has been deprecated.
	strrchr	Passing an int as needle has been deprecated.
	strripos	Passing an int as needle has been deprecated.
	strrpos	Passing an int as needle has been deprecated.
	strstr	Passing an int as needle has been deprecated.
7.2.18, 7.3.5	substr_compare	offset may now be equal to the length of haystack.
7.2.0	number_format	number_format was changed to not being able to return -0, previously -0 could be returned for cases like where num would be -0.01.
	parse_str	Usage of parse_str without a second parameter now emits an E_DEPRECATED notice.
	utf8_decode	This function has been moved from the XML extension to the core of PHP. In previous versions, it was only available if the XML extension was installed.
	utf8_encode	This function has been moved from the XML extension to the core of PHP. In previous versions, it was only available if the XML extension was installed.
7.1.0	str_shuffle	The internal randomization algorithm has been changed to use the Mersenne Twister Random Number Generator instead of the libc rand function.
	stripos	Support for negative offsets has been added.
	strpos	Support for negative offsets has been added.
	substr_count	Support for negative offsets and lengths has been added. length may also be 0 now.