Found a total of 3 related content
Introduction to PHP functions: is_bool() function
Article Introduction:PHP function introduction: is_bool() function overview: In PHP, the is_bool() function is used to determine whether a variable is of Boolean type (boolean). Returns true if the variable is of type Boolean; otherwise returns false. Syntax: boolis_bool(mixed$var) Parameter description: $var: variable to be judged. Return value: If $var is a Boolean type, return true; otherwise, return false. Specific code examples
2023-11-03
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PHP function introduction—is_bool(): Check whether a variable is a Boolean value
Article Introduction:PHP function introduction—is_bool(): Check whether a variable is a Boolean value In PHP programming, we often need to check whether a variable is a Boolean value. To accomplish this task conveniently, PHP provides a built-in function is_bool(). This article will introduce how to use the is_bool() function and give some practical code examples. The is_bool() function is a Boolean value checking function, its function is to check whether a variable is a Boolean value. If the variable is a boolean, return tr
2023-07-24
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Use PHP function 'is_bool' to check if a variable is of type Boolean
Article Introduction:Use the PHP function "is_bool" to check whether a variable is of Boolean type. In PHP development, we often need to determine the data type of a variable to perform corresponding operations. PHP has many built-in functions for data type detection, one of which is the "is_bool" function, which is used to check whether a variable is of Boolean type. The syntax of the "is_bool" function is as follows: boolis_bool(mixed$var) This function accepts a parameter $var, which can be of any type
2023-07-24
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