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/ ampersand-before-php-function-names.php
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June 13, 2022 14:15
Understanding Ampersand Before PHP Function Names – Returning By Reference
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| <?php | |
| // You may have wondered how a PHP function defined as below behaves: | |
| function &config_byref() | |
| { | |
| static $var = "hello"; | |
| return $var; | |
| } | |
| // the value we get is "hello" | |
| $byref_initial = config_byref(); |