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Line No. Rev Author Line
12simandl* 1.16.0 (2014-07-05)
2 
3 * changed url_encode to always encode according to RFC 3986
4 * fixed inheritance in a 'use'-hierarchy
5 * removed the __toString policy check when the sandbox is disabled
6 * fixed recursively calling blocks in templates with inheritance
7 
8* 1.15.1 (2014-02-13)
9 
10 * fixed the conversion of the special '0000-00-00 00:00' date
11 * added an error message when trying to import an undefined block from a trait
12 * fixed a C extension crash when accessing defined but uninitialized property.
13 
14* 1.15.0 (2013-12-06)
15 
16 * made ignoreStrictCheck in Template::getAttribute() works with __call() methods throwing BadMethodCallException
17 * added min and max functions
18 * added the round filter
19 * fixed a bug that prevented the optimizers to be enabled/disabled selectively
20 * fixed first and last filters for UTF-8 strings
21 * added a source function to include the content of a template without rendering it
22 * fixed the C extension sandbox behavior when get or set is prepend to method name
23 
24* 1.14.2 (2013-10-30)
25 
26 * fixed error filename/line when an error occurs in an included file
27 * allowed operators that contain whitespaces to have more than one whitespace
28 * allowed tests to be made of 1 or 2 words (like "same as" or "divisible by")
29 
30* 1.14.1 (2013-10-15)
31 
32 * made it possible to use named operators as variables
33 * fixed the possibility to have a variable named 'matches'
34 * added support for PHP 5.5 DateTimeInterface
35 
36* 1.14.0 (2013-10-03)
37 
38 * fixed usage of the html_attr escaping strategy to avoid double-escaping with the html strategy
39 * added new operators: ends with, starts with, and matches
40 * fixed some compatibility issues with HHVM
41 * added a way to add custom escaping strategies
42 * fixed the C extension compilation on Windows
43 * fixed the batch filter when using a fill argument with an exact match of elements to batch
44 * fixed the filesystem loader cache when a template name exists in several namespaces
45 * fixed template_from_string when the template includes or extends other ones
46 * fixed a crash of the C extension on an edge case
47 
48* 1.13.2 (2013-08-03)
49 
50 * fixed the error line number for an error occurs in and embedded template
51 * fixed crashes of the C extension on some edge cases
52 
53* 1.13.1 (2013-06-06)
54 
55 * added the possibility to ignore the filesystem constructor argument in Twig_Loader_Filesystem
56 * fixed Twig_Loader_Chain::exists() for a loader which implements Twig_ExistsLoaderInterface
57 * adjusted backtrace call to reduce memory usage when an error occurs
58 * added support for object instances as the second argument of the constant test
59 * fixed the include function when used in an assignment
60 
61* 1.13.0 (2013-05-10)
62 
63 * fixed getting a numeric-like item on a variable ('09' for instance)
64 * fixed getting a boolean or float key on an array, so it is consistent with PHP's array access:
65 `{{ array[false] }}` behaves the same as `echo $array[false];` (equals `$array[0]`)
66 * made the escape filter 20% faster for happy path (escaping string for html with UTF-8)
67 * changed ☃ to § in tests
68 * enforced usage of named arguments after positional ones
69 
70* 1.12.3 (2013-04-08)
71 
72 * fixed a security issue in the filesystem loader where it was possible to include a template one
73 level above the configured path
74 * fixed fatal error that should be an exception when adding a filter/function/test too late
75 * added a batch filter
76 * added support for encoding an array as query string in the url_encode filter
77 
78* 1.12.2 (2013-02-09)
79 
80 * fixed the timezone used by the date filter and function when the given date contains a timezone (like 2010-01-28T15:00:00+02:00)
81 * fixed globals when getGlobals is called early on
82 * added the first and last filter
83 
84* 1.12.1 (2013-01-15)
85 
86 * added support for object instances as the second argument of the constant function
87 * relaxed globals management to avoid a BC break
88 * added support for {{ some_string[:2] }}
89 
90* 1.12.0 (2013-01-08)
91 
92 * added verbatim as an alias for the raw tag to avoid confusion with the raw filter
93 * fixed registration of tests and functions as anonymous functions
94 * fixed globals management
95 
96* 1.12.0-RC1 (2012-12-29)
97 
98 * added an include function (does the same as the include tag but in a more flexible way)
99 * added the ability to use any PHP callable to define filters, functions, and tests
100 * added a syntax error when using a loop variable that is not defined
101 * added the ability to set default values for macro arguments
102 * added support for named arguments for filters, tests, and functions
103 * moved filters/functions/tests syntax errors to the parser
104 * added support for extended ternary operator syntaxes
105 
106* 1.11.1 (2012-11-11)
107 
108 * fixed debug info line numbering (was off by 2)
109 * fixed escaping when calling a macro inside another one (regression introduced in 1.9.1)
110 * optimized variable access on PHP 5.4
111 * fixed a crash of the C extension when an exception was thrown from a macro called without being imported (using _self.XXX)
112 
113* 1.11.0 (2012-11-07)
114 
115 * fixed macro compilation when a variable name is a PHP reserved keyword
116 * changed the date filter behavior to always apply the default timezone, except if false is passed as the timezone
117 * fixed bitwise operator precedences
118 * added the template_from_string function
119 * fixed default timezone usage for the date function
120 * optimized the way Twig exceptions are managed (to make them faster)
121 * added Twig_ExistsLoaderInterface (implementing this interface in your loader make the chain loader much faster)
122 
123* 1.10.3 (2012-10-19)
124 
125 * fixed wrong template location in some error messages
126 * reverted a BC break introduced in 1.10.2
127 * added a split filter
128 
129* 1.10.2 (2012-10-15)
130 
131 * fixed macro calls on PHP 5.4
132 
133* 1.10.1 (2012-10-15)
134 
135 * made a speed optimization to macro calls when imported via the "import" tag
136 * fixed C extension compilation on Windows
137 * fixed a segfault in the C extension when using DateTime objects
138 
139* 1.10.0 (2012-09-28)
140 
141 * extracted functional tests framework to make it reusable for third-party extensions
142 * added namespaced templates support in Twig_Loader_Filesystem
143 * added Twig_Loader_Filesystem::prependPath()
144 * fixed an error when a token parser pass a closure as a test to the subparse() method
145 
146* 1.9.2 (2012-08-25)
147 
148 * fixed the in operator for objects that contain circular references
149 * fixed the C extension when accessing a public property of an object implementing the \ArrayAccess interface
150 
151* 1.9.1 (2012-07-22)
152 
153 * optimized macro calls when auto-escaping is on
154 * fixed wrong parent class for Twig_Function_Node
155 * made Twig_Loader_Chain more explicit about problems
156 
157* 1.9.0 (2012-07-13)
158 
159 * made the parsing independent of the template loaders
160 * fixed exception trace when an error occurs when rendering a child template
161 * added escaping strategies for CSS, URL, and HTML attributes
162 * fixed nested embed tag calls
163 * added the date_modify filter
164 
165* 1.8.3 (2012-06-17)
166 
167 * fixed paths in the filesystem loader when passing a path that ends with a slash or a backslash
168 * fixed escaping when a project defines a function named html or js
169 * fixed chmod mode to apply the umask correctly
170 
171* 1.8.2 (2012-05-30)
172 
173 * added the abs filter
174 * fixed a regression when using a number in template attributes
175 * fixed compiler when mbstring.func_overload is set to 2
176 * fixed DateTimeZone support in date filter
177 
178* 1.8.1 (2012-05-17)
179 
180 * fixed a regression when dealing with SimpleXMLElement instances in templates
181 * fixed "is_safe" value for the "dump" function when "html_errors" is not defined in php.ini
182 * switched to use mbstring whenever possible instead of iconv (you might need to update your encoding as mbstring and iconv encoding names sometimes differ)
183 
184* 1.8.0 (2012-05-08)
185 
186 * enforced interface when adding tests, filters, functions, and node visitors from extensions
187 * fixed a side-effect of the date filter where the timezone might be changed
188 * simplified usage of the autoescape tag; the only (optional) argument is now the escaping strategy or false (with a BC layer)
189 * added a way to dynamically change the auto-escaping strategy according to the template "filename"
190 * changed the autoescape option to also accept a supported escaping strategy (for BC, true is equivalent to html)
191 * added an embed tag
192 
193* 1.7.0 (2012-04-24)
194 
195 * fixed a PHP warning when using CIFS
196 * fixed template line number in some exceptions
197 * added an iterable test
198 * added an error when defining two blocks with the same name in a template
199 * added the preserves_safety option for filters
200 * fixed a PHP notice when trying to access a key on a non-object/array variable
201 * enhanced error reporting when the template file is an instance of SplFileInfo
202 * added Twig_Environment::mergeGlobals()
203 * added compilation checks to avoid misuses of the sandbox tag
204 * fixed filesystem loader freshness logic for high traffic websites
205 * fixed random function when charset is null
206 
207* 1.6.5 (2012-04-11)
208 
209 * fixed a regression when a template only extends another one without defining any blocks
210 
211* 1.6.4 (2012-04-02)
212 
213 * fixed PHP notice in Twig_Error::guessTemplateLine() introduced in 1.6.3
214 * fixed performance when compiling large files
215 * optimized parent template creation when the template does not use dynamic inheritance
216 
217* 1.6.3 (2012-03-22)
218 
219 * fixed usage of Z_ADDREF_P for PHP 5.2 in the C extension
220 * fixed compilation of numeric values used in templates when using a locale where the decimal separator is not a dot
221 * made the strategy used to guess the real template file name and line number in exception messages much faster and more accurate
222 
223* 1.6.2 (2012-03-18)
224 
225 * fixed sandbox mode when used with inheritance
226 * added preserveKeys support for the slice filter
227 * fixed the date filter when a DateTime instance is passed with a specific timezone
228 * added a trim filter
229 
230* 1.6.1 (2012-02-29)
231 
232 * fixed Twig C extension
233 * removed the creation of Twig_Markup instances when not needed
234 * added a way to set the default global timezone for dates
235 * fixed the slice filter on strings when the length is not specified
236 * fixed the creation of the cache directory in case of a race condition
237 
238* 1.6.0 (2012-02-04)
239 
240 * fixed raw blocks when used with the whitespace trim option
241 * made a speed optimization to macro calls when imported via the "from" tag
242 * fixed globals, parsers, visitors, filters, tests, and functions management in Twig_Environment when a new one or new extension is added
243 * fixed the attribute function when passing arguments
244 * added slice notation support for the [] operator (syntactic sugar for the slice operator)
245 * added a slice filter
246 * added string support for the reverse filter
247 * fixed the empty test and the length filter for Twig_Markup instances
248 * added a date function to ease date comparison
249 * fixed unary operators precedence
250 * added recursive parsing support in the parser
251 * added string and integer handling for the random function
252 
253* 1.5.1 (2012-01-05)
254 
255 * fixed a regression when parsing strings
256 
257* 1.5.0 (2012-01-04)
258 
259 * added Traversable objects support for the join filter
260 
261* 1.5.0-RC2 (2011-12-30)
262 
263 * added a way to set the default global date interval format
264 * fixed the date filter for DateInterval instances (setTimezone() does not exist for them)
265 * refactored Twig_Template::display() to ease its extension
266 * added a number_format filter
267 
268* 1.5.0-RC1 (2011-12-26)
269 
270 * removed the need to quote hash keys
271 * allowed hash keys to be any expression
272 * added a do tag
273 * added a flush tag
274 * added support for dynamically named filters and functions
275 * added a dump function to help debugging templates
276 * added a nl2br filter
277 * added a random function
278 * added a way to change the default format for the date filter
279 * fixed the lexer when an operator ending with a letter ends a line
280 * added string interpolation support
281 * enhanced exceptions for unknown filters, functions, tests, and tags
282 
283* 1.4.0 (2011-12-07)
284 
285 * fixed lexer when using big numbers (> PHP_INT_MAX)
286 * added missing preserveKeys argument to the reverse filter
287 * fixed macros containing filter tag calls
288 
289* 1.4.0-RC2 (2011-11-27)
290 
291 * removed usage of Reflection in Twig_Template::getAttribute()
292 * added a C extension that can optionally replace Twig_Template::getAttribute()
293 * added negative timestamp support to the date filter
294 
295* 1.4.0-RC1 (2011-11-20)
296 
297 * optimized variable access when using PHP 5.4
298 * changed the precedence of the .. operator to be more consistent with languages that implements such a feature like Ruby
299 * added an Exception to Twig_Loader_Array::isFresh() method when the template does not exist to be consistent with other loaders
300 * added Twig_Function_Node to allow more complex functions to have their own Node class
301 * added Twig_Filter_Node to allow more complex filters to have their own Node class
302 * added Twig_Test_Node to allow more complex tests to have their own Node class
303 * added a better error message when a template is empty but contain a BOM
304 * fixed "in" operator for empty strings
305 * fixed the "defined" test and the "default" filter (now works with more than one call (foo.bar.foo) and for both values of the strict_variables option)
306 * changed the way extensions are loaded (addFilter/addFunction/addGlobal/addTest/addNodeVisitor/addTokenParser/addExtension can now be called in any order)
307 * added Twig_Environment::display()
308 * made the escape filter smarter when the encoding is not supported by PHP
309 * added a convert_encoding filter
310 * moved all node manipulations outside the compile() Node method
311 * made several speed optimizations
312 
313* 1.3.0 (2011-10-08)
314 
315no changes
316 
317* 1.3.0-RC1 (2011-10-04)
318 
319 * added an optimization for the parent() function
320 * added cache reloading when auto_reload is true and an extension has been modified
321 * added the possibility to force the escaping of a string already marked as safe (instance of Twig_Markup)
322 * allowed empty templates to be used as traits
323 * added traits support for the "parent" function
324 
325* 1.2.0 (2011-09-13)
326 
327no changes
328 
329* 1.2.0-RC1 (2011-09-10)
330 
331 * enhanced the exception when a tag remains unclosed
332 * added support for empty Countable objects for the "empty" test
333 * fixed algorithm that determines if a template using inheritance is valid (no output between block definitions)
334 * added better support for encoding problems when escaping a string (available as of PHP 5.4)
335 * added a way to ignore a missing template when using the "include" tag ({% include "foo" ignore missing %})
336 * added support for an array of templates to the "include" and "extends" tags ({% include ['foo', 'bar'] %})
337 * added support for bitwise operators in expressions
338 * added the "attribute" function to allow getting dynamic attributes on variables
339 * added Twig_Loader_Chain
340 * added Twig_Loader_Array::setTemplate()
341 * added an optimization for the set tag when used to capture a large chunk of static text
342 * changed name regex to match PHP one "[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*" (works for blocks, tags, functions, filters, and macros)
343 * removed the possibility to use the "extends" tag from a block
344 * added "if" modifier support to "for" loops
345 
346* 1.1.2 (2011-07-30)
347 
348 * fixed json_encode filter on PHP 5.2
349 * fixed regression introduced in 1.1.1 ({{ block(foo|lower) }})
350 * fixed inheritance when using conditional parents
351 * fixed compilation of templates when the body of a child template is not empty
352 * fixed output when a macro throws an exception
353 * fixed a parsing problem when a large chunk of text is enclosed in a comment tag
354 * added PHPDoc for all Token parsers and Core extension functions
355 
356* 1.1.1 (2011-07-17)
357 
358 * added a performance optimization in the Optimizer (also helps to lower the number of nested level calls)
359 * made some performance improvement for some edge cases
360 
361* 1.1.0 (2011-06-28)
362 
363 * fixed json_encode filter
364 
365* 1.1.0-RC3 (2011-06-24)
366 
367 * fixed method case-sensitivity when using the sandbox mode
368 * added timezone support for the date filter
369 * fixed possible security problems with NUL bytes
370 
371* 1.1.0-RC2 (2011-06-16)
372 
373 * added an exception when the template passed to "use" is not a string
374 * made 'a.b is defined' not throw an exception if a is not defined (in strict mode)
375 * added {% line \d+ %} directive
376 
377* 1.1.0-RC1 (2011-05-28)
378 
379Flush your cache after upgrading.
380 
381 * fixed date filter when using a timestamp
382 * fixed the defined test for some cases
383 * fixed a parsing problem when a large chunk of text is enclosed in a raw tag
384 * added support for horizontal reuse of template blocks (see docs for more information)
385 * added whitespace control modifier to all tags (see docs for more information)
386 * added null as an alias for none (the null test is also an alias for the none test now)
387 * made TRUE, FALSE, NONE equivalent to their lowercase counterparts
388 * wrapped all compilation and runtime exceptions with Twig_Error_Runtime and added logic to guess the template name and line
389 * moved display() method to Twig_Template (generated templates should now use doDisplay() instead)
390 
391* 1.0.0 (2011-03-27)
392 
393 * fixed output when using mbstring
394 * fixed duplicate call of methods when using the sandbox
395 * made the charset configurable for the escape filter
396 
397* 1.0.0-RC2 (2011-02-21)
398 
399 * changed the way {% set %} works when capturing (the content is now marked as safe)
400 * added support for macro name in the endmacro tag
401 * make Twig_Error compatible with PHP 5.3.0 >
402 * fixed an infinite loop on some Windows configurations
403 * fixed the "length" filter for numbers
404 * fixed Template::getAttribute() as properties in PHP are case sensitive
405 * removed coupling between Twig_Node and Twig_Template
406 * fixed the ternary operator precedence rule
407 
408* 1.0.0-RC1 (2011-01-09)
409 
410Backward incompatibilities:
411 
412 * the "items" filter, which has been deprecated for quite a long time now, has been removed
413 * the "range" filter has been converted to a function: 0|range(10) -> range(0, 10)
414 * the "constant" filter has been converted to a function: {{ some_date|date('DATE_W3C'|constant) }} -> {{ some_date|date(constant('DATE_W3C')) }}
415 * the "cycle" filter has been converted to a function: {{ ['odd', 'even']|cycle(i) }} -> {{ cycle(['odd', 'even'], i) }}
416 * the "for" tag does not support "joined by" anymore
417 * the "autoescape" first argument is now "true"/"false" (instead of "on"/"off")
418 * the "parent" tag has been replaced by a "parent" function ({{ parent() }} instead of {% parent %})
419 * the "display" tag has been replaced by a "block" function ({{ block('title') }} instead of {% display title %})
420 * removed the grammar and simple token parser (moved to the Twig Extensions repository)
421 
422Changes:
423 
424 * added "needs_context" option for filters and functions (the context is then passed as a first argument)
425 * added global variables support
426 * made macros return their value instead of echoing directly (fixes calling a macro in sandbox mode)
427 * added the "from" tag to import macros as functions
428 * added support for functions (a function is just syntactic sugar for a getAttribute() call)
429 * made macros callable when sandbox mode is enabled
430 * added an exception when a macro uses a reserved name
431 * the "default" filter now uses the "empty" test instead of just checking for null
432 * added the "empty" test
433 
434* 0.9.10 (2010-12-16)
435 
436Backward incompatibilities:
437 
438 * The Escaper extension is enabled by default, which means that all displayed
439 variables are now automatically escaped. You can revert to the previous
440 behavior by removing the extension via $env->removeExtension('escaper')
441 or just set the 'autoescape' option to 'false'.
442 * removed the "without loop" attribute for the "for" tag (not needed anymore
443 as the Optimizer take care of that for most cases)
444 * arrays and hashes have now a different syntax
445 * arrays keep the same syntax with square brackets: [1, 2]
446 * hashes now use curly braces (["a": "b"] should now be written as {"a": "b"})
447 * support for "arrays with keys" and "hashes without keys" is not supported anymore ([1, "foo": "bar"] or {"foo": "bar", 1})
448 * the i18n extension is now part of the Twig Extensions repository
449 
450Changes:
451 
452 * added the merge filter
453 * removed 'is_escaper' option for filters (a left over from the previous version) -- you must use 'is_safe' now instead
454 * fixed usage of operators as method names (like is, in, and not)
455 * changed the order of execution for node visitors
456 * fixed default() filter behavior when used with strict_variables set to on
457 * fixed filesystem loader compatibility with PHAR files
458 * enhanced error messages when an unexpected token is parsed in an expression
459 * fixed filename not being added to syntax error messages
460 * added the autoescape option to enable/disable autoescaping
461 * removed the newline after a comment (mimics PHP behavior)
462 * added a syntax error exception when parent block is used on a template that does not extend another one
463 * made the Escaper extension enabled by default
464 * fixed sandbox extension when used with auto output escaping
465 * fixed escaper when wrapping a Twig_Node_Print (the original class must be preserved)
466 * added an Optimizer extension (enabled by default; optimizes "for" loops and "raw" filters)
467 * added priority to node visitors
468 
469* 0.9.9 (2010-11-28)
470 
471Backward incompatibilities:
472 * the self special variable has been renamed to _self
473 * the odd and even filters are now tests:
474 {{ foo|odd }} must now be written {{ foo is odd }}
475 * the "safe" filter has been renamed to "raw"
476 * in Node classes,
477 sub-nodes are now accessed via getNode() (instead of property access)
478 attributes via getAttribute() (instead of array access)
479 * the urlencode filter had been renamed to url_encode
480 * the include tag now merges the passed variables with the current context by default
481 (the old behavior is still possible by adding the "only" keyword)
482 * moved Exceptions to Twig_Error_* (Twig_SyntaxError/Twig_RuntimeError are now Twig_Error_Syntax/Twig_Error_Runtime)
483 * removed support for {{ 1 < i < 3 }} (use {{ i > 1 and i < 3 }} instead)
484 * the "in" filter has been removed ({{ a|in(b) }} should now be written {{ a in b }})
485 
486Changes:
487 * added file and line to Twig_Error_Runtime exceptions thrown from Twig_Template
488 * changed trans tag to accept any variable for the plural count
489 * fixed sandbox mode (__toString() method check was not enforced if called implicitly from complex statements)
490 * added the ** (power) operator
491 * changed the algorithm used for parsing expressions
492 * added the spaceless tag
493 * removed trim_blocks option
494 * added support for is*() methods for attributes (foo.bar now looks for foo->getBar() or foo->isBar())
495 * changed all exceptions to extend Twig_Error
496 * fixed unary expressions ({{ not(1 or 0) }})
497 * fixed child templates (with an extend tag) that uses one or more imports
498 * added support for {{ 1 not in [2, 3] }} (more readable than the current {{ not (1 in [2, 3]) }})
499 * escaping has been rewritten
500 * the implementation of template inheritance has been rewritten
501 (blocks can now be called individually and still work with inheritance)
502 * fixed error handling for if tag when a syntax error occurs within a subparse process
503 * added a way to implement custom logic for resolving token parsers given a tag name
504 * fixed js escaper to be stricter (now uses a whilelist-based js escaper)
505 * added the following filers: "constant", "trans", "replace", "json_encode"
506 * added a "constant" test
507 * fixed objects with __toString() not being autoescaped
508 * fixed subscript expressions when calling __call() (methods now keep the case)
509 * added "test" feature (accessible via the "is" operator)
510 * removed the debug tag (should be done in an extension)
511 * fixed trans tag when no vars are used in plural form
512 * fixed race condition when writing template cache
513 * added the special _charset variable to reference the current charset
514 * added the special _context variable to reference the current context
515 * renamed self to _self (to avoid conflict)
516 * fixed Twig_Template::getAttribute() for protected properties
517 
518* 0.9.8 (2010-06-28)
519 
520Backward incompatibilities:
521 * the trans tag plural count is now attached to the plural tag:
522 old: `{% trans count %}...{% plural %}...{% endtrans %}`
523 new: `{% trans %}...{% plural count %}...{% endtrans %}`
524 
525 * added a way to translate strings coming from a variable ({% trans var %})
526 * fixed trans tag when used with the Escaper extension
527 * fixed default cache umask
528 * removed Twig_Template instances from the debug tag output
529 * fixed objects with __isset() defined
530 * fixed set tag when used with a capture
531 * fixed type hinting for Twig_Environment::addFilter() method
532 
533* 0.9.7 (2010-06-12)
534 
535Backward incompatibilities:
536 * changed 'as' to '=' for the set tag ({% set title as "Title" %} must now be {% set title = "Title" %})
537 * removed the sandboxed attribute of the include tag (use the new sandbox tag instead)
538 * refactored the Node system (if you have custom nodes, you will have to update them to use the new API)
539 
540 * added self as a special variable that refers to the current template (useful for importing macros from the current template)
541 * added Twig_Template instance support to the include tag
542 * added support for dynamic and conditional inheritance ({% extends some_var %} and {% extends standalone ? "minimum" : "base" %})
543 * added a grammar sub-framework to ease the creation of custom tags
544 * fixed the for tag for large arrays (some loop variables are now only available for arrays and objects that implement the Countable interface)
545 * removed the Twig_Resource::resolveMissingFilter() method
546 * fixed the filter tag which did not apply filtering to included files
547 * added a bunch of unit tests
548 * added a bunch of phpdoc
549 * added a sandbox tag in the sandbox extension
550 * changed the date filter to support any date format supported by DateTime
551 * added strict_variable setting to throw an exception when an invalid variable is used in a template (disabled by default)
552 * added the lexer, parser, and compiler as arguments to the Twig_Environment constructor
553 * changed the cache option to only accepts an explicit path to a cache directory or false
554 * added a way to add token parsers, filters, and visitors without creating an extension
555 * added three interfaces: Twig_NodeInterface, Twig_TokenParserInterface, and Twig_FilterInterface
556 * changed the generated code to match the new coding standards
557 * fixed sandbox mode (__toString() method check was not enforced if called implicitly from a simple statement like {{ article }})
558 * added an exception when a child template has a non-empty body (as it is always ignored when rendering)
559 
560* 0.9.6 (2010-05-12)
561 
562 * fixed variables defined outside a loop and for which the value changes in a for loop
563 * fixed the test suite for PHP 5.2 and older versions of PHPUnit
564 * added support for __call() in expression resolution
565 * fixed node visiting for macros (macros are now visited by visitors as any other node)
566 * fixed nested block definitions with a parent call (rarely useful but nonetheless supported now)
567 * added the cycle filter
568 * fixed the Lexer when mbstring.func_overload is used with an mbstring.internal_encoding different from ASCII
569 * added a long-syntax for the set tag ({% set foo %}...{% endset %})
570 * unit tests are now powered by PHPUnit
571 * added support for gettext via the `i18n` extension
572 * fixed twig_capitalize_string_filter() and fixed twig_length_filter() when used with UTF-8 values
573 * added a more useful exception if an if tag is not closed properly
574 * added support for escaping strategy in the autoescape tag
575 * fixed lexer when a template has a big chunk of text between/in a block
576 
577* 0.9.5 (2010-01-20)
578 
579As for any new release, don't forget to remove all cached templates after
580upgrading.
581 
582If you have defined custom filters, you MUST upgrade them for this release. To
583upgrade, replace "array" with "new Twig_Filter_Function", and replace the
584environment constant by the "needs_environment" option:
585 
586 // before
587 'even' => array('twig_is_even_filter', false),
588 'escape' => array('twig_escape_filter', true),
589 
590 // after
591 'even' => new Twig_Filter_Function('twig_is_even_filter'),
592 'escape' => new Twig_Filter_Function('twig_escape_filter', array('needs_environment' => true)),
593 
594If you have created NodeTransformer classes, you will need to upgrade them to
595the new interface (please note that the interface is not yet considered
596stable).
597 
598 * fixed list nodes that did not extend the Twig_NodeListInterface
599 * added the "without loop" option to the for tag (it disables the generation of the loop variable)
600 * refactored node transformers to node visitors
601 * fixed automatic-escaping for blocks
602 * added a way to specify variables to pass to an included template
603 * changed the automatic-escaping rules to be more sensible and more configurable in custom filters (the documentation lists all the rules)
604 * improved the filter system to allow object methods to be used as filters
605 * changed the Array and String loaders to actually make use of the cache mechanism
606 * included the default filter function definitions in the extension class files directly (Core, Escaper)
607 * added the // operator (like the floor() PHP function)
608 * added the .. operator (as a syntactic sugar for the range filter when the step is 1)
609 * added the in operator (as a syntactic sugar for the in filter)
610 * added the following filters in the Core extension: in, range
611 * added support for arrays (same behavior as in PHP, a mix between lists and dictionaries, arrays and hashes)
612 * enhanced some error messages to provide better feedback in case of parsing errors
613 
614* 0.9.4 (2009-12-02)
615 
616If you have custom loaders, you MUST upgrade them for this release: The
617Twig_Loader base class has been removed, and the Twig_LoaderInterface has also
618been changed (see the source code for more information or the documentation).
619 
620 * added support for DateTime instances for the date filter
621 * fixed loop.last when the array only has one item
622 * made it possible to insert newlines in tag and variable blocks
623 * fixed a bug when a literal '\n' were present in a template text
624 * fixed bug when the filename of a template contains */
625 * refactored loaders
626 
627* 0.9.3 (2009-11-11)
628 
629This release is NOT backward compatible with the previous releases.
630 
631 The loaders do not take the cache and autoReload arguments anymore. Instead,
632 the Twig_Environment class has two new options: cache and auto_reload.
633 Upgrading your code means changing this kind of code:
634 
635 $loader = new Twig_Loader_Filesystem('/path/to/templates', '/path/to/compilation_cache', true);
636 $twig = new Twig_Environment($loader);
637 
638 to something like this:
639 
640 $loader = new Twig_Loader_Filesystem('/path/to/templates');
641 $twig = new Twig_Environment($loader, array(
642 'cache' => '/path/to/compilation_cache',
643 'auto_reload' => true,
644 ));
645 
646 * deprecated the "items" filter as it is not needed anymore
647 * made cache and auto_reload options of Twig_Environment instead of arguments of Twig_Loader
648 * optimized template loading speed
649 * removed output when an error occurs in a template and render() is used
650 * made major speed improvements for loops (up to 300% on even the smallest loops)
651 * added properties as part of the sandbox mode
652 * added public properties support (obj.item can now be the item property on the obj object)
653 * extended set tag to support expression as value ({% set foo as 'foo' ~ 'bar' %} )
654 * fixed bug when \ was used in HTML
655 
656* 0.9.2 (2009-10-29)
657 
658 * made some speed optimizations
659 * changed the cache extension to .php
660 * added a js escaping strategy
661 * added support for short block tag
662 * changed the filter tag to allow chained filters
663 * made lexer more flexible as you can now change the default delimiters
664 * added set tag
665 * changed default directory permission when cache dir does not exist (more secure)
666 * added macro support
667 * changed filters first optional argument to be a Twig_Environment instance instead of a Twig_Template instance
668 * made Twig_Autoloader::autoload() a static method
669 * avoid writing template file if an error occurs
670 * added $ escaping when outputting raw strings
671 * enhanced some error messages to ease debugging
672 * fixed empty cache files when the template contains an error
673 
674* 0.9.1 (2009-10-14)
675 
676 * fixed a bug in PHP 5.2.6
677 * fixed numbers with one than one decimal
678 * added support for method calls with arguments ({{ foo.bar('a', 43) }})
679 * made small speed optimizations
680 * made minor tweaks to allow better extensibility and flexibility
681 
682* 0.9.0 (2009-10-12)
683 
684 * Initial release

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