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- ==================================
- Rule ``ternary_to_elvis_operator``
- ==================================
- Use the Elvis operator ``?:`` where possible.
- Warning
- -------
- Using this rule is risky
- ~~~~~~~~~~~~~~~~~~~~~~~~
- Risky when relying on functions called on both sides of the ``?`` operator.
- Examples
- --------
- Example #1
- ~~~~~~~~~~
- .. code-block:: diff
- --- Original
- +++ New
- <?php
- -$foo = $foo ? $foo : 1;
- +$foo = $foo ? : 1;
- Example #2
- ~~~~~~~~~~
- .. code-block:: diff
- --- Original
- +++ New
- -<?php $foo = $bar[a()] ? $bar[a()] : 1; # "risky" sample, "a()" only gets called once after fixing
- +<?php $foo = $bar[a()] ? : 1; # "risky" sample, "a()" only gets called once after fixing
- Rule sets
- ---------
- The rule is part of the following rule sets:
- @PhpCsFixer:risky
- Using the `@PhpCsFixer:risky <./../../ruleSets/PhpCsFixerRisky.rst>`_ rule set will enable the ``ternary_to_elvis_operator`` rule.
- @Symfony:risky
- Using the `@Symfony:risky <./../../ruleSets/SymfonyRisky.rst>`_ rule set will enable the ``ternary_to_elvis_operator`` rule.
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