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What is the way to destroy variables in php
- 王林Original
- 2020-08-12 15:23:192983browse
How to destroy variables in php: We can use the unset() function to destroy a given variable. Specific usage methods are: [unset($foo)], which means a single variable is to be destroyed; [unset($foo1, $foo2, $foo3)], which means multiple variables are to be destroyed.
#You can use the unset() function to destroy a given variable.
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Note: This function has no return value.
Syntax:
void unset ( mixed $var [, mixed $... ] )
Parameters:
$var: Variable to be destroyed
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Example:
<?php // 销毁单个变量 unset ($foo); // 销毁单个数组元素 unset ($bar['quux']); // 销毁一个以上的变量 unset($foo1, $foo2, $foo3); ?>
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