Introduction to the usage of var_export and var_dump_PHP tutorial
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Release: 2016-07-13 17:14:31
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Now let’s introduce the usage of var_export and var_dump. Friends in need can refer to it.
var_export must return legal PHP code. In other words, the code returned by var_export can be directly assigned to a variable as PHP code. And this variable will get the same type of value as var_export
•However, when the variable type is resource, it cannot be copied simply. Therefore, when the variable of var_export is of resource type, var_export will return NULL
This function displays structural information about one or more expressions, including the type and value of the expression. Arrays will expand values recursively, showing their structure through indentation.
Tip: To prevent the program from outputting the results directly to the browser, you can use output-control functions to capture the output of this function and save them to a variable of type string, for example.
For more details, please check: http://www.bKjia.c0m/phper/php/43382.htm
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