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Available PHP Functions

The following PHP functions are available in the templates:

functionDescription
array_change_key_case()Changes all keys in an array to lowercase or uppercase
array_combine()Creates an array by using the elements from one "keys" array and one "values" array
array_diff()Compares array against one or more other arrays and returns the values in array that are not present in any of the other arrays.
array_diff_key()Compares the keys from array against the keys from arrays and returns the difference. This function is like array_diff() except the comparison is done on the keys instead of the values.
array_filter()Filters the values of an array using a callback function
array_flip()Flips/Exchanges all keys with their associated values in an array
array_intersect()Compare arrays, return an array containing all the values of array that are present in all the arguments. Note that keys are preserved.
array_intersect_key()Compare arrays, return the matches (compare keys only)
array_key_exists()Checks if the specified key exists in the array
array_key_first()Returns the first key of array if the array is not empty; null otherwise.
array_keys()Returns all the keys of an array
array_merge()Merges one or more arrays into one array
array_pop()Deletes the last element of an array
array_rand()Returns one or more random keys from an array
array_replace()Replaces the values of the first array with the values from following arrays
array_reverse()Returns an array in the reverse order
array_shift()Removes the first element from an array, and returns the value of the removed element
array_unique()Removes duplicate values from an array
array_values()Return all the values of an array
arsort()Sorts an associative array in descending order, according to the value
asort()Sorts an associative array in ascending order, according to the value
base64_decode()Decodes a base64 encoded string.
base64_encode()Encodes the given string with base64
bin2hex()Converts a string of ASCII characters to hexadecimal values
ceil()Rounds a number up to the nearest integer
count()Returns the number of elements in an array
date()Formats a local date and time
date_create()Returns a new DateTime object
empty()Checks whether a variable is empty
end()Sets the internal pointer of an array to its last element
error()Display and log an error message
explode()Breaks a string into an array
floor()Rounds a number down to the nearest integer
gettype()Returns the type of a variable
hash()Generate a hash value (message digest)
hash_hmac()
Generate a keyed hash value using the HMAC method
htmlspecialchars()Converts some predefined characters to HTML entities
htmlspecialchars_decode()Converts some predefined HTML entities to characters
http_build_query()Generates a URL-encoded query string from the associative (or indexed) array provided
implode()Returns a string from the elements of an array
in_array()Checks if a specified value exists in an array
is_array()Checks whether a variable is an array
is_bool()Checks whether a variable is a boolean
is_float()Checks whether a variable is of type float
is_int()Checks whether a variable is of type integer
is_null()Checks whether a variable is NULL
is_numeric()Checks whether a variable is a number or a numeric string
is_object()Checks whether a variable is an object
is_string()Checks whether a variable is of type string
isset()Checks whether a variable is set (declared and not NULL)
join()Alias of implode()
json_decode()Decodes a JSON string
json_encode()Encode a value to JSON format
krsort()Sorts an associative array in descending order, according to the key
ksort()Sorts an associative array in ascending order, according to the key
lcfirst()Converts the first character of a string to lowercase
ltrim()Removes whitespace or other characters from the left side of a string
max()Returns the highest value in an array, or the highest value of several specified values
microtime()Returns the current Unix timestamp with microseconds
min()Returns the lowest value in an array, or the lowest value of several specified values
number_format()Formats a number with grouped thousands
openssl_random_pseudo_bytes()Generates a string of pseudo-random bytes, with the number of bytes determined by the length parameter.
preg_filter()Perform a regular expression search and replace
preg_grep()Return array entries that match the pattern
preg_last_error()Returns the error code of the last PCRE regex execution
preg_match_all()Perform a global regular expression match
preg_match()Perform a regular expression match
preg_quote()Quote regular expression characters
preg_replace()Perform a regular expression search and replace
preg_split()Split string by a regular expression
round()Rounds a floating-point number
rtrim()Removes whitespace or other characters from the right side of a string
sort()Sorts an indexed array in ascending order
split()Alias for explode()
str_pad()Pads a string to a new length
str_replace()Replaces some characters in a string (case-sensitive)
strip_tags()Strips HTML and PHP tags from a string
stripslashes()Unquotes a string quoted with addslashes()
strlen()Returns the length of a string
strpos()Returns the position of the first occurrence of a string inside another string (case-sensitive)
strrpos()Finds the position of the last occurrence of a string inside another string (case-sensitive)
strstr()Finds the first occurrence of a string inside another string (case-sensitive)
strtolower()Converts a string to lowercase letters
strtoupper()Converts a string to uppercase letters
substr()Returns a part of a string
time()Returns the current time as a Unix timestamp
timezone_offset_get()Returns the timezone offset from GMT
timezone_open()Creates new DateTimeZone object
trim()Removes whitespace or other characters from both sides of a string
ucfirst()Converts the first character of a string to uppercase
ucwords()Converts the first character of each word in a string to uppercase
urlencode()URL-encodes string