Documentation Class Instantiation #1801
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| <documentation title="Class Instantiation"> | ||||||
| <standard> | ||||||
| <![CDATA[ | ||||||
| Instantiation of an object should be done with parenthesis. | ||||||
| ]]> | ||||||
| </standard> | ||||||
| <code_comparison> | ||||||
| <code title="Valid: with parenthesis."> | ||||||
| <![CDATA[ | ||||||
| $a = new Foobar<em>()</em>; | ||||||
| ]]> | ||||||
| </code> | ||||||
| <code title="Invalid: without parenthesis."> | ||||||
| <![CDATA[ | ||||||
| $a = new Foobar; | ||||||
| ]]> | ||||||
| </code> | ||||||
| </code_comparison> | ||||||
| <standard> | ||||||
| <![CDATA[ | ||||||
| Don't use spaces between object name and open parenthesis when instantiating new object. | ||||||
| ]]> | ||||||
| </standard> | ||||||
| <code_comparison> | ||||||
| <code title="Valid: no spaces between object name and parenthesis."> | ||||||
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| <![CDATA[ | ||||||
| $a = new Foobar(); | ||||||
| ]]> | ||||||
| </code> | ||||||
| <code title="Invalid: spaces between object name and parenthesis."> | ||||||
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| <![CDATA[ | ||||||
| $a = new Foobar<em> </em>(); | ||||||
| ]]> | ||||||
| </code> | ||||||
| </code_comparison> | ||||||
| <standard> | ||||||
| <![CDATA[ | ||||||
| Object instantiation by reference is not supported by PHP anymore. | ||||||
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| ]]> | ||||||
| </standard> | ||||||
| <code_comparison> | ||||||
| <code title="Valid: object instantiation without reference."> | ||||||
| <![CDATA[ | ||||||
| $a = new Foobar(); | ||||||
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| ]]> | ||||||
| </code> | ||||||
| <code title="Invalid: object instantiation by reference."> | ||||||
| <![CDATA[ | ||||||
| $a = <em>&</em> new Foobar(); | ||||||
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| ]]> | ||||||
| </code> | ||||||
| </code_comparison> | ||||||
| </documentation> | ||||||
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