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Troubleshooting of PHP errors: Difference between revisions
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→troubleshooting steps of function
(→錯誤訊息) |
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== troubleshooting steps of function == | == troubleshooting steps of function == | ||
simply the question | simply the question | ||
* Is the [http://php.net/manual/en/function.function-exists.php function_exists]? If not, looking for the alternative functions. | * Is the [http://php.net/manual/en/function.function-exists.php function_exists]? | ||
** Extension dependency? Install the extension you need. | |||
** If not, looking for the alternative functions. | |||
* Was the function really executed? Maybe using the __LINE__ to examin the logic. | * Was the function really executed? Maybe using the __LINE__ to examin the logic. | ||
* Disable the logical judgement and just print text | * Disable the logical judgement and just print text | ||