This shows you the differences between two versions of the page.
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sourceresolver [2010/07/07 23:24] 81.187.95.96 created |
sourceresolver [2016/02/10 22:39] (current) 24.114.56.119 |
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| You can create fake filesystems for PHPTAL templates. This lets you load templates //and macros// from any source, e.g. a database. | You can create fake filesystems for PHPTAL templates. This lets you load templates //and macros// from any source, e.g. a database. | ||
| - | ====== Simplest way ====== | + | ===== Simplest way ===== |
| If you don't use macros, you don't need ''SourceResolver'': | If you don't use macros, you don't need ''SourceResolver'': | ||
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| $phptal->setSource(load_source_from_anywhere()); // No source resolver necessary | $phptal->setSource(load_source_from_anywhere()); // No source resolver necessary | ||
| - | ====== Implementing custom source ====== | + | ===== Implementing custom source ===== |
| However, if you'd like to avoid fetching template source on every request (explained later), or would like to use macros that load additional templates, implement your own ''SourceResolver'': | However, if you'd like to avoid fetching template source on every request (explained later), or would like to use macros that load additional templates, implement your own ''SourceResolver'': | ||
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| if (looks_like_my_path($path)) { | if (looks_like_my_path($path)) { | ||
| $source = load_template_from($path); | $source = load_template_from($path); | ||
| - | return new PHPTAL_StringSource($path); | + | return new PHPTAL_StringSource($source); |
| } | } | ||
| } | } | ||
| } | } | ||
| + | |||
| + | :!: (in PHPTAL older than 1.2.2 you need ''new PHPTAL_StringSource($source, md5($source))'') | ||
| The ''resolve'' function should return instance of ''PHPTAL_Source'' (if it supports the path) or ''NULL''. You can either use ''PHPTAL_StringSource'' class, or implement your own. | The ''resolve'' function should return instance of ''PHPTAL_Source'' (if it supports the path) or ''NULL''. You can either use ''PHPTAL_StringSource'' class, or implement your own. | ||
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| $phptal->addSourceResolver(new MySourceResolver()); | $phptal->addSourceResolver(new MySourceResolver()); | ||
| - | PHPTAL will call ''resolve()'' method whenever it needs to load a template set via ''setTemplate()'' or ''metal:use-macro''. | + | PHPTAL will call ''resolve()'' method whenever it needs to load a template set via ''setTemplate()'' or ''metal:use-macro''. () |
| - | ===== Lazy loading of templates ===== | + | ==== Lazy loading of templates ==== |
| ''PHPTAL_SourceResolver::resolve()'' method could return object that doesn't load template immediately, and instead just returns information needed to load compiled template from cache: | ''PHPTAL_SourceResolver::resolve()'' method could return object that doesn't load template immediately, and instead just returns information needed to load compiled template from cache: | ||
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| } | } | ||
| - | PHPTAL will call ''getData()'' only when ''getRealPath()'' or ''getLastModifiedTime()'' return different values. | + | PHPTAL will call ''getData()'' only when ''getRealPath()'' or ''getLastModifiedTime()'' return different values.() |