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When graphing HRULE items, 'Only Variables should be passed by reference' error may be seen · Issue #2724 · Cacti/cacti · GitHub
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PHP: Only variables should be passed by reference - PHP Error - Mazz i Torch - The latest global technology multi-platform entertainment media
PHP Strict Error: Only variables should be passed by reference · Issue #587 · squizlabs/PHP_CodeSniffer · GitHub
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PHP: Only variables should be passed by reference - PHP Error - Mazz i Torch - The latest global technology multi-platform entertainment media
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PHP Notice: Only variables should be assigned by reference · Issue #37467 · symfony/symfony · GitHub
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PHP: Only variables should be passed by reference - PHP Error - Mazz i Torch - The latest global technology multi-platform entertainment media
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