fenom/docs/en/ext/inheritance.md
2014-08-02 00:24:14 +04:00

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Inheritance algorithm

Variant #1. Sunny.

| level.2.tpl | b1 | add new block | $tpl->block['b1'] = $content; | level.2.tpl | b1 | rewrite block | $tpl->block['b1'] = $content; | level.1.tpl | b1 | skip because block exists | if(!isset($tpl->block['b1'])) $tpl->block['b1'] = $content; | use.tpl | b1 | skip because block exists | if(!isset($tpl->block['b1'])) $tpl->block['b1'] = $content; | use.tpl | b2 | add new block | $tpl->block['b2'] = $content; | level.1.tpl | b2 | rewrite block | $tpl->block['b2'] = $content; | parent.tpl | b1 | get block from stack | parent.tpl | b2 | get block from stack | parent.tpl | b3 | get own block ------Result-------- | level.2.tpl | b1 | | level.1.tpl | b2 |

Variant #2. Сloudy.

| level.2.tpl | b1 | add new block | level.1.tpl | b1 | skip because block exists | use.tpl | b1 | skip because block exists | use.tpl | b2 | add new block | level.1.tpl | b2 | rewrite block | $parent | b1 | dynamic extend ------Result-------- | level.2.tpl | b1 | | level.1.tpl | b2 |

Variant #3. Rain.

Variant #4. Tornado.