### Math Function Library: EXP

Exp (PHP3, PHP4) exp---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; To obtain the natural logarithm of the secondary value syntax: float exp (float arg); Description: Returns the value of the ARG secondary of the natural log e. Reference: POW ()

### Math function Library: atan

Atan (PHP3, PHP4) atan---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Take the inverse tangent value syntax: float atan (float arg); Description: Returns the tangent value (diameter) of the parameter arg. Reference: ACOs () ASIN ()

### LDAP function library: Ldap_mod_replace

Ldap_mod_replace New LDAP directory replaces old attributes. Syntax: boolean ldap_mod_replace (int handle, string dn, array entry); Return value: Boolean function Type: http://www.aliyun.com/zixun/aggregation/32416.html "> Network system Content Description This function is used for ...

Deg2rad (PHP3 >= 3.0.4, PHP4) deg2rad---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Converts a numeric value from degree to degree syntax: Double Deg2rad (double) indicates that this function converts number from degree to diameter. Reference: Rad2 ...

### Math Function Library: ASIN

ASIN (PHP3, PHP4) ASIN---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Take the inverse string value syntax: Float ASIN (float arg); Description: Returns the inverse chord value (diameter) of the parameter arg. Reference: ACOs () Atan ()

### LDAP function library: Ldap_bind

Ldap_bind the LDAP directory. Syntax: boolean ldap_bind (int handle, string [Bind_rdn], string [Bind_password]); Return value: Boolean function Type: http://www.aliyun.com/zixun/aggregation/32416.html "> Network system Content Description This function is used to fasten ...

### Math function Library: decoct

Decoct (PHP3, PHP4) decoct---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Decimal octal Syntax: string decoct (int number); Remarks: Converts the value of the parameter number decimal to the octal value, which returns an octal value. The maximum value that can be converted is octal 1 ...

### Math function Library: ACOs

ACOs (PHP3, PHP4) acos---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Take the inverse cosine syntax: float acos (float arg); Note: Returns the inverse cosine value (diameter) of the parameter arg. Reference: ASIN () <18:35 2001-6-13a hr ...

### LDAP function library: Ldap_connect

Ldap_connect Connect to the LDAP server. Syntax: int ldap_connect (string [hosthttp://www.aliyun.com/zixun/aggregation/11696.html ">name], int [port]); Return value: integer function type: Network system content Description This function is used to link to the LDAP server. parameter hostname if omitted, ...

### Math function Library: Dechex

Dechex (PHP3, PHP4) dechex---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Decimal hexadecimal syntax: string dechex (int number); Remarks: Converts the value of the parameter number decimal to a value of 16, which returns a value of 16. The maximum value that can be converted is 16 ...

### Math function Library: ABS

ABS (PHP3, PHP4) ABS---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Take absolute value syntax: Mixed ABS (mixed number); Note: Returns the absolute value of the parameter number, if number is a floating-point number, the returned form is also a floating-point number, in addition to the other returned form is an integer.

### LDAP function library: ldap_count_entries

Ldap_count_entries the number of search results. Syntax: int ldap_count_entries (int handle, int result_identifier); Return value: Integer function type: http://www.aliyun.com/zixun/aggregation/32416.html > Network system Content Description This function is used to obtain the number of results of the search. Ginseng ...

### Math function Library: decbin

Decbin (PHP3, PHP4) decbin---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Decimal to binary syntax: string decbin (int number); Remarks: Converts the value of the parameter number decimal to a binary value, which returns a binary value. The maximum value that can be converted is binary 3 ...

### Mail function library: Ezmlm_hash

Ezmlm_hash (PHP3 CVS only, PHP4 CVS only) ezmlm_hash---&http://www.aliyun.com/zixun/aggregation/37954.html "> nbsp; Compute hash value syntax: int ezmlm_hash (string addr) Description: Ezmlm_hash () compute hash value, MySQL ...

### LDAP function library: Ldap_delete

Ldap_delete deletes the specified resource. Syntax: boolean ldap_delete (int handle, string dn); Return value: Boolean function type: http://www.aliyun.com/zixun/aggregation/32416.html > Network system Content Description This function is used to delete the data for the specified DN. Parameter handle to open Ldad server 5643 ...

### Math function library: Cos

cos (PHP3, PHP4) cos---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Cosine syntax: float cos (float arg); Description: Returns the cosine (diameter) of the parameter arg. Reference: Sin () tan ()

### Mail function library: Mail

Mail (PHP3, PHP4) Mail---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; communicated email syntax: BOOL Mail (string to, string subject, String message [, String additional_headers]) description ...

### LDAP function library: LDAP_DN2UFN

LDAP_DN2UFN the DN into a readable name. Syntax: string ldap_dn2ufn (string dn); Return value: String function type: http://www.aliyun.com/zixun/aggregation/32416.html > Network system Content Description This function is used to convert the name of the DN into a more readable name UFN (User Friendly Na ...

### Math function Library: ceil

Ceil (PHP3, PHP4) ceil---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Gets the minimum integer value syntax greater than the specified number: int ceil (float); Description: Returns the smallest integer value that is greater than the parameter number. Using Ceil () absolute on integers is a waste of time. Reference: Flo ...

### LDAP function library: Ldap_close

Ldap_close ends the LDAP link. Syntax: boolean ldap_close (int handle); Return value: Boolean function type: http://www.aliyun.com/zixun/aggregation/32416.html > Network system Content Description This function closes the link to the LDAP server. Parameter handle to open LDAP 5643.html&quo ...

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