ternary_to_elvis_operator.rst

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

--- Original
+++ New
 <?php
-$foo = $foo ? $foo : 1;
+$foo = $foo ?  : 1;

Example #2

--- 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 rule set will enable the ternary_to_elvis_operator rule.

@Symfony:risky

Using the @Symfony:risky rule set will enable the ternary_to_elvis_operator rule.