PHP Low-level error: Function name must be a string

PHP Low-level error: Function name must be a string technology

Maybe yes posted on 2015-04-16 00:19

In the impression, the PHP error is rarely encountered, but once encountered, suddenly still find the problem.

When a person in the process of development is very tired, low-level mistakes committed, eyes looking at the screen, do not know why, so the whole network to find the answer. The following code will appear in PHP error:function name must be a string.

The function name method name must be a string, so the error hint is easy to mislead, PHP 5.3 began to support anonymous functions, like variables can be used as functions.

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