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PHP levenshtein() Function
PHP levenshtein() Function The levenshtein() function in PHP calculates the Levenshtein distance between two strings. Syntax levenshtein ( string $str1 , string $str2 , int $cost_ins , int $cost_rep , int $cost_del ) Parameter str1(required)- This parameter signifies one of the strings being evaluated for Levenshtein distance. str2(required)- This parameter signifies one of the strings being evaluated...
1 minute read.
PHP array_values() Function
PHP array_values() Function The array_values () function in PHP returns all the values from the array and indexes the array numerically. Syntax array_values ( array $array ) Parameter array(required)- This array represents the input array. Return This function returns an indexed array of values. Example 1 Output Input Array: Array ...
1 minute read.
PHP strcasecmp() Function
PHP strcasecmp() Function The strcasecmp() function in PHP compares two strings. It is a binary-safe case-insensitive string function. Syntax strcasecmp ( string $str1 , string $str2 ) Parameter str1(required)- This parameter represents the first string. str2(required)- This parameter represents the second string. Return This function returns a value less than( <...
1 minute read.
PHP strcmp() Function
PHP strcmp() Function The strcmp() function in PHP compares two strings. It is a binary-safe case-sensitive string function. This function is similar to the strncmp() function, with the difference that you can specify the number of characters from each...
1 minute read.
PHP array_unshift() Function
PHP array_unshift() Function The array_unshift () function in PHP prepends one or more elements to the beginning or front of an array. It returns the new number of elements in the array. Syntax array_unshift ( array &$array [, mixed $... ] ) Parameter array(required)- This array represents...
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PHP array_key_first() function
The array_key_first () function in PHP gets the first key of an array if the specified array is not empty. Syntax array_key_first(array;$array) Parameter array(required)- This parameter signifies the input array. Return This function returns the first key of the specified...
1 minute read.
PHP unset() Function
PHP unset() Function The unset() function in PHP is used to unset a given variable. This function destroys the specified variables. If this function is called inside any user-defined function, then it unsets the value associated with...
1 minute read.
PHP sha1_file() Function
PHP sha1_file() Function The sha1_file() in PHP calculates the sha1 hash of a file and returns the hash (40-character hexadecimal number). Syntax sha1_file ( string $filename [, bool $raw_output] ) Parameter filename(required)- This parameter represents the filename of the file to hash. raw_output(optional)- This...
1 minute read.
PHP array_intersect() function
The array_intersect () function in PHP is used to compute the intersection of arrays. It returns an array containing all the entries from array1 that are present in all the other arrays. Syntax array_intersect ( array $array1 , array $array2 [, array $... ]) Parameter array1(required)- This parameter...
1 minute read.
PHP array_flip() function
PHP array_flip() function The array_flip() function in PHP exchanges all keys with their associated values in an array and returns an array in flip order. If the specified value has several occurrences, the latest key will be...
1 minute read.
PHP uasort() Function
PHP uasort() Function The uasort() function in PHP sorts an array with a user-defined comparison function and maintains the index association. Syntax uasort ( array &$array , callable $value_compare_func ) Parameter array(required)- This parameter represents the input array. value_compare_func(required)- This parameter represents a string that describe a...
1 minute read.
PHP sscanf() Function
PHP sscanf() Function The sscanf() function in PHP parses input from a string according to a given format. Syntax sscanf ( string $str , string $format [,mixed &$arg1,$agr2,$arg++... ] ) Parameter str(required)- This parameter specifies the string to read. format(required)- This parameter specifies the format to use. The conversion specification...
3 minutes read.
PHP foreach Loop
PHP foreach Loop with Example PHP foreach loop is used to loop through the associative arrays. Syntax: foreach($array as $key => $value) { //Statement } $array = associative array. $key = array key. &value =...
2 minutes read.
PHP array_diff_ukey() Function
The array_diff_ukey() function in PHP compares the keys from array1 against the keys from array2 and returns the difference containing all the entries from array1 that are not present in any of the other arrays. Syntax array_diff_ukey ( array $array1 , array $array2 [, array $... ], callable $key_compare_func ) Parameter array1(required)- This parameter signifies the...
1 minute read.
PHP array_replace() Function
PHP array_replace() Function The array_replace() function in PHP replaces the elements from passed arrays into the first array with values having the same keys in each of the following arrays. Syntax array_replace ( array $array1 [, array $... ] ) Parameter array(required)- This parameter represents...
1 minute read.
PHP end() function
PHP end() function The end() function in PHP sets the internal pointer of an array to its last element. This function returns the value of the last element Syntax end ( array &$array ) Parameter array (required)– This parameter represents the input array. Return This function returns...
1 minute read.
PHP array_walk() Function
PHP array_walk() Function The array_walk() function in PHP is used to apply the user-defined callback function to each element of the array. This function returns a Boolean TRUE on success or FALSE on failure. Syntax array_walk ( array &$array , callable $callback [, mixed $userdata = NULL ] ) Parameter array(required)- This array represents...
1 minute read.
PHP String
PHP string is a sequence of characters. It is used to store and manipulate text. We can specify a string literal in four ways: single quoted double quoted heredoc syntax ...
2 minutes read.
PHP vsprintf() Function
PHP vsprintf() Function The vsprintf() function in PHP returns a formatted string. This function accepts an array of arguments. Syntax vsprintf ( string $format , array $args ) Parameter format(required)- This parameter specifies the string and how to format the variables in it. The conversion specification of this parameter...
3 minutes read.
PHP str_rot13() Function
PHP str_rot13() Function The str_rot13() function in PHP performs the ROT13 encoding on a string and returns the resulting string. The ROT13 encoding is used to shift every letter by 13 places in the alphabet...
1 minute read.

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