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Variable function library: is_real

Source: Internet
Author: User
Keywords is_real php Chinese function manual variable function library
Tags alias aliyun function function library html http is_bool is_double
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Is_real

(PHP3, PHP4)

Is_real---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determine whether a variable is a real number

Syntax: int is_real (mixed Var);

Description:

This function is an alias for Is_double ().

Reference: Is_bool () Is_long () Is_int () Is_integer () is_float () is_double () Is_object ()

Is_array ()

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