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Is_long (PHP3, PHP4) is_long---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determines whether the variable is an integer syntax: int is_long (mixed Var); Note: Returns true if the parameter var is an integer (long), otherwise it returns false. Reference: Is_bool () &nb ...

Empty (unknown) empty---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determine whether the variable set syntax: int empty (mixed Var); Note: If the variable exists and has a set variable value return FALSE, otherwise return true. Example: <?php &nb ...

Is_integer (PHP3, PHP4) is_integer---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determines whether the variable is an integer syntax: int is_integer (mixed Var); Description: This function is an alias for Is_long (). Reference: Is_bool () ...

Doubleval (PHP3, PHP4) doubleval---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Gets the multiply floating-point value syntax for a variable: double doubleval (mixed Var); Note: Returns the multiply floating-point value of the parameter Var, var can be any type, but cannot use this function on an array or an object ...

Is_int (PHP3, PHP4) is_int---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determines whether the variable is an integer syntax: int is_int (mixed Var); Description: This function is an alias for Is_long (). Reference: Is_bool () is_double (...)

Call_user_func (PHP3 >= 3.0.3, PHP4) call_user_func---&http://www.aliyun.com/zixun/aggregation/37954.html " >nbsp; Call the user function syntax according to the parameters: Mixed Call_user_func (String function_name [, Mixe ...)

Is_float (PHP3, PHP4) is_float---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determines whether the variable is floating-point syntax: int is_float (mixed Var); Description: This function is an alias for Is_double (). Reference: Is_double () ...

UrlEncode (PHP3, PHP4) urlencode---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; URL-encoded string syntax: String UrlEncode (String str) Description: Add all non-alphanumeric strings except-_. In percent sign (%) followed by two confusing numbers ...

Is_double (PHP3, PHP4) is_double---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determine whether the variable is floating-point number syntax: int is_double (mixed Var); Note: If the parameter var is a floating-point number, it returns TRUE, otherwise it returns false. Reference: Is_arr ...

UrlDecode (PHP3, PHP4) urldecode---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Translation URL-encoded string syntax: String UrlDecode (String str) Description: Any% # #编码 in the string given, and returns the translated string. Example: ...

Is_bool (PHP4 >= 4.0b4) is_bool---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determine if the variable is boolean syntax: int is_bool (mixed var) Description: Returns True if the argument Var is Boolean (Boolean). Reference: Is_array () & ...

Rawurlencode (PHP3, PHP4) rawurldecode---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Follow the RFC1738 URL encoding syntax: string rawurlencode (String str) Description: All non-alphabetic characters except-_.

Is_array (PHP3, PHP4) is_array---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Determines whether the variable is an array syntax: int is_array (mixed Var); Note: Returns true if the parameter var is an array, or returns FALSE. Reference: Is_double () & ...

Rawurldecode (PHP3, PHP4) rawurldecode---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Translation URL-encoded string syntax: String Rawurldecode (String str) Description: Follows a string of two confusing digits following a series of percent symbols (%) ...

Intval (PHP3, PHP4) intval---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Gets the integer value syntax for the variable: int intval (mixed var, int [base]); Note: Returns the integer value of the parameter Var, using the specified base as the base of the transformation (the preset value is ten), Var ...

Parse_url (PHP3, PHP4) parse_url---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Parse the URL and return its component syntax: Array parse_url (string url) Description: This function returns a combination of arrays, returns the various components of the URL, including "Schem ..."

Base64_encode (PHP3, PHP4) base64_encode---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; MIME Base64 encoding Syntax: string base64_encode (String data) Description: Base64_encode () returns a BA ...

STRTR (PHP3, PHP4) strtr---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Converts some character syntax: string strtr (String str, string from, string to) Description: This function operates on parameter str, and the arguments from all occurrences of ...

STRRCHR (PHP3, PHP4) strrchr---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Gets the string syntax at which the last occurrence of the character is at the end: string strrchr (String haystack, string needle) Description: This function returns haystack ...

Base64_decode (PHP3, PHP4) base64_decode---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Decoding syntax with MIME base64: String Base64_decode (String encoded_data) Description: Base64_decode ...