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Learn PHP Functions Tutorials

  1. Home
  2. Php functions

PHP mysqli_fetch_assoc() Function

  • Php functions
  • June 14, 2021

PHP mysqli_fetch_assoc() Function is used to fetch rows as an associative array from the database. Associative arrays are the arrays where the inde...

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PHP mysqli_fetch_array() Function

  • Php functions
  • June 14, 2021

PHP mysqli_fetch_array() Function is used to fetch rows as a numeric array and as an associative or both array from the database. Associative ...

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PHP mysqli_connect_error() Function

  • Php functions
  • June 09, 2021

PHP mysqli_connect_error() Function returns description of the error from the last connection incase of a failure. If the connection is successful, th...

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PHP mysqli_select_db() Function

  • Php functions
  • June 09, 2021

PHP mysqli_select_db() Function is used to choose database for the connection. Also You can select the default database using 4th parameter in mysqli_...

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PHP mysqli_connect() Function

  • Php functions
  • June 08, 2021

PHP mysqli_connect() Function is used to open a new connection to the MySQL server. mysqli_connect() establishes a connection with MySQL server and re...

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PHP mysqli_query() Function

  • Php functions
  • May 17, 2021

PHP mysqli_query() Function is used to execute mysql query on database. A mysqli_query() function is PHP built-in function. The MySQLi Extension is...

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PHP strtotime() Function

  • Php functions
  • May 17, 2021

PHP strtotime() Function is used to convert an English textual datetime into a Unix timestamp. A strtotime() function is PHP built-in function. PHP...

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PHP file_get_contents() Function

  • Php functions
  • May 17, 2021

PHP file_get_contents() Function is used to read the contents of a file into a string. A file_get_contents() function is PHP built-in function. PHP...

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PHP strpos() Function

  • Php functions
  • May 15, 2021

PHP strpos() Function is used to find the position of the first occurrence of a substring in a string. PHP strpos() function is PHP built-in function....

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PHP str_replace() Function

  • Php functions
  • May 15, 2021

PHP str_replace() Function is used to replace all the occurrences of the search string or array of search strings by replacement string or array of re...

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PHP substr() Function

  • Php functions
  • May 15, 2021

PHP substr() Function is used to return a part of a string. PHP substr() function is PHP built-in function. Syntax for substr: substr(string $st...

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PHP unset() Function

  • Php functions
  • May 15, 2021

PHP unset() Function is used to unset a variable. PHP unset() function is PHP built-in function. It unsets the local variables. If You want to unse...

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PHP isset() Function

  • Php functions
  • May 14, 2021

PHP isset() Function is used to check whether the variable is set or declared. Also checks a variable is empty.  PHP isset() function is PHP buil...

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PHP phpinfo() Function

  • Php functions
  • May 14, 2021

PHP phpinfo() Function is used to check information about PHP's configuration, Predefined Variables, extensions, the PHP version, server informati...

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PHP json_decode() Function

  • Php functions
  • May 08, 2021

PHP json_decode() Function is used to decode JSON array or a JSON object into a PHP object or an associative array.  A json_decode() function is ...

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PHP json_encode() Function

  • Php functions
  • May 08, 2021

PHP json_encode() Function is used to encode array value to JSON format. A json_encode() function is built-in function in PHP. Syntax : json_enc...

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PHP __clone() method

  • Php functions
  • May 07, 2021

PHP __clone() method is used to create a copy of an object. Objects are always passed by reference or address in Copy Constructor using __clone() meth...

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PHP abs() Function

  • Php functions
  • May 05, 2021

PHP abs() Function is used to get absolute (positive) value of numbers. A abs() function is built-in function in PHP. Syntax : abs(int $number);...

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PHP floor() Function

  • Php functions
  • May 05, 2021

PHP floor() Function is used to get round a number down to the nearest integer for floating-point number. A floor() function is built-in function in...

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PHP ceil() Function

  • Php functions
  • May 05, 2021

PHP ceil() Function is used to get round a number up to the nearest integer for floating-point number. A ceil() function is built-in function in PHP. ...

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PHP rand() Function

  • Php functions
  • May 05, 2021

PHP rand() Function is used to generate a random integer number. A rand() function is built-in function in PHP. Syntax : rand(); Or rand(i...

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PHP count() Function

  • Php functions
  • May 01, 2021

PHP count() Function is used to get the number of elements in an array. A count() function is built-in function in PHP. Syntax : count(array $ar...

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PHP in_array() Function

  • Php functions
  • May 01, 2021

PHP in_array() Function is used to check that a value exists in an array. An in_array() function is built-in function in PHP. Syntax : in_array(...

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PHP ksort() Function

  • Php functions
  • May 01, 2021

PHP ksort() Function is used to sort associative array in ascending order according to the key. An ksort() function is built-in function in ...

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PHP krsort() Function

  • Php functions
  • April 30, 2021

PHP krsort() Function is used to sort associative array in descending order according to the key. An krsort() function is built-in function in...

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PHP arsort() Function

  • Php functions
  • April 30, 2021

PHP arsort() Function is used to sort an associative array in descending order. An arsort() function is built-in function in PHP. Syntax : ...

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PHP asort() Function

  • Php functions
  • April 30, 2021

PHP asort() Function is used to sort an associative array in ascending order. An asort() function is built-in function in PHP. Syntax : asor...

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PHP rsort() Function

  • Php functions
  • April 30, 2021

PHP rsort() Function is used to sort the elements of the array in descending order. An rsort() function is built-in function in PHP. Syntax : ...

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PHP sort() Function

  • Php functions
  • April 30, 2021

PHP sort() Function is used to sort the elements of the array in ascending order. An sort() function is built-in function in PHP. Syntax : sort(...

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PHP array_sum() Function

  • Php functions
  • April 29, 2021

PHP array_sum() Function returns the sum all values of array. An array_sum() function is built-in function in PHP. Syntax : array_sum(array $arr...

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PHP array_unique() Function

  • Php functions
  • April 29, 2021

PHP array_unique() Function is used to remove duplicate values from an array. PHP array_unique() function is PHP built-in function. Syntax : arr...

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PHP array_values() Function

  • Php functions
  • April 29, 2021

PHP array_values() Function is used to get all value of array. PHP array_values() function is PHP built-in function. Syntax : array_values(array...

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PHP array_key_exists() Function

  • Php functions
  • April 29, 2021

PHP array_key_exists() Function is used to check if given key exists in the array. If it returns true, then key exists. If it returns false, then key ...

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PHP array_keys() Function

  • Php functions
  • April 29, 2021

PHP array_keys() Function is used to get keys from array. PHP array_keys() function is PHP built-in function. Syntax : array_keys(array $array, ...

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PHP array_slice() Function

  • Php functions
  • April 28, 2021

PHP array_slice() Function is used to extract a slice of the array. PHP array_slice() function is PHP built-in function. Syntax : array_slice(ar...

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PHP array_merge() Function

  • Php functions
  • April 27, 2021

PHP array_merge() Function is used to merge one or more arrays into one array. PHP array_merge() function is PHP built-in function. Syntax : arr...

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PHP array_combine() Function

  • Php functions
  • April 27, 2021

PHP array_combine() Function is used to create an array by using one array for keys and another for its values. PHP array_combine() function is PHP bu...

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PHP array_search() function

  • Php functions
  • April 26, 2021

PHP array_search() function is used to search the array for a given value and returns the first corresponding key if successful.  PHP array_searc...

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PHP array_reverse() function

  • Php functions
  • April 26, 2021

PHP array_reverse() function is used to reverse the order of the elements in an array.  PHP array_reverse() function is PHP built-in function. ...

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PHP array_replace() function

  • Php functions
  • April 24, 2021

PHP array_replace() function replaces elements of first array with other passed array. The array_replace() function is PHP built-in function. array...

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PHP array_chunk() function

  • Php functions
  • April 24, 2021

PHP array_chunk() function is used to split an array into chunks. The array_chunk() function is PHP built-in function. PHP array_chunk() function d...

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PHP array_rand() Function

  • Php functions
  • April 23, 2021

PHP array_rand() Function returns one or more random key from an array. The array_rand() is a built-in function of PHP. Syntax : array_rand($arr...

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PHP array_shift() Function

  • Php functions
  • April 23, 2021

PHP array_shift() Function is used to remove the first element from an array and returned with shifted value at beginning . The array_shift() is a bui...

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PHP array_pop() Function

  • Php functions
  • April 23, 2021

PHP array_pop() Function is used to remove the last element of an array.The array_pop() is a built-in function of PHP. Syntax : array_pop(array...

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PHP array_push() Function

  • Php functions
  • April 23, 2021

PHP array_push() Function is used to push one or more elements into the end of array. The array_push() is a built-in function of PHP We can add a s...

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PHP htmlspecialchars_decode() Function

  • Php functions
  • April 22, 2021

PHP htmlspecialchars_decode() Function converts the predefined HTML entities back to characters. A predefined HTML entities are given as below. ...

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PHP htmlspecialchars() Function

  • Php functions
  • April 22, 2021

PHP htmlspecialchars() Function converts some predefined characters to HTML entities. A predefined characters are given as below.   &...

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PHP htmlentities() Function

  • Php functions
  • April 22, 2021

PHP htmlentities() Function converts some characters to HTML entities. Function htmlentities() is php in built function. Syntax : htmlenti...

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PHP chunk_split() Function

  • Php functions
  • April 21, 2021

PHP chunk_split() Function splits a string into a series of smaller parts. Syntax : chunk_split(string,length,separator) Parameter, PHP...

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PHP lcfirst() Function

  • Php functions
  • April 21, 2021

PHP lcfirst() Function converts only the first character of a string into lowercase. The lcfirst() Function is php in-built function. Syntax : ...

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PHP ucfirst() Function

  • Php functions
  • April 21, 2021

PHP ucfirst() Function converts only the first character of a string into uppercase. The ucfirst() Function is php in-built function. Syntax : ...

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PHP strtolower() Function

  • Php functions
  • April 21, 2021

PHP strtolower() Function makes all characters of string to lowercase. It is php in-built function. Syntax : strtolower(string); Parameters ...

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PHP strtoupper() Function

  • Php functions
  • April 21, 2021

PHP strtoupper() Function makes all characters of string to uppercase. Syntax : strtoupper(string); Parameters , string : Required. It is...

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PHP ucwords() Function

  • Php functions
  • April 20, 2021

PHP ucwords() Function is used to convert the first character of each word to uppercase in string. The ucwords() is an in-built function of PHP. Sy...

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PHP join() Function

  • Php functions
  • April 20, 2021

PHP join() Function is used to join array elements into string. The join() function is an alias of the implode() function. Syntax : implo...

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PHP implode() Function

  • Php functions
  • April 20, 2021

PHP implode() Function is used to join array elements into string. Syntax : implode(separator,array); PHP implode() Function returns st...

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PHP explode() Function

  • Php functions
  • April 19, 2021

PHP explode() Function spilts a string into an array. Syntax : explode(separator,string,limit); It returns array of string. Note: The &qu...

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PHP sha1_file() Function

  • Php functions
  • April 19, 2021

PHP sha1_file() Function is used to generate the SHA-1 hash of a file. The sha1_file() function uses the US Secure Hash Algorithm 1. Syntax : s...

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PHP sha1() Function

  • Php functions
  • April 19, 2021

PHP sha1() Function is used to generate the SHA-1 hash of a string. The sha1() function uses the US Secure Hash Algorithm 1. Syntax : sha1(stri...

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PHP md5_file() Function

  • Php functions
  • April 19, 2021

PHP md5_file() Function returns the MD5 hash of the file. It returns the hash as a 16 or 32 character hexadecimal number. The md5_file() funct...

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PHP md5() function

  • Php functions
  • April 19, 2021

PHP md5() function is used to generate the MD5 hash of a string. It returns the hash as a 32 character hexadecimal number. The md5() function use...

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