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PHP5 object-oriented explanation-(10) _ set () _ get () _ isset () _ unset () four methods. This article briefly introduces four methods for PHP5 object-oriented explanation-(10) _ set () _ get () _ isset () _ unset, if you have any questions,

This article briefly introduces four methods for PHP5 object-oriented explanation-(10) _ set () _ get () _ isset () _ unset, if you have any questions, please refer to them. Application of four methods: _ set () _ get () _ isset () _ unset ()In

In php object-oriented language, _ set _ get _ isset _ unset usage is introduced. We often see the usage of bit _ set _ get _ isset _ unset in php object orientation, but we do not understand why we should use these items, next we will introduce one

10. _ set () _ get () _ isset () _ unset () application of four methods In general, the class attribute is always defined as private, which is more in line with the actual logic. However, read the attributeAnd value assignment operations are very

First look at the unset function syntax unset Deletes a variable. Syntax: int unset (mixed Var); return value: Integer Function type: PHP system function Content Description This function deletes the variable and returns a true value for

The unset () function of PHP is used to clear and destroy variables. unused variables can be destroyed using unset. However, in some cases, the memory occupied by destroying variables cannot be reached with unset! The code is as follows: For ($ I =

The unset () function of PHP is used to clear and destroy variables. unused variables can be destroyed using unset. However, in some cases, the memory occupied by destroying variables cannot be reached with unset! Copy codeThe code is as

The PHP unset () function is used to clear, destroy variables, and we can destroy them with unset (). But at some point, using unset () does not achieve the memory that is consumed by destroying variables! Let's look at an example first:

The PHP unset () function is used to clear, destroy variables, and we can destroy them with unset (). But at some point, using unset () does not achieve the memory that is consumed by destroying variables! Let's look at an example first:PHP

The unset () function of PHP is used to clear and destroy variables. unused variables can be destroyed using unset. However, in some cases, the memory occupied by destroying variables cannot be reached with unset! Let's first look at an example: