Section 1
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DEFINITION array_pop
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Section 1
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DEFINITION array_pop
Pop the element off the end of array. This function will reset() the array pointer of the input array after use.
DEFINITION array_walk_recursive
Apply a user function recursively to every member of an array
DEFINITION array_fill_keys
Create array specifying the keys with a default value
DEFINITION array_filter
Filters elements of an array using a callback function
DEFINITION array
Create an array
DEFINITION key
Returns the index element of the current array position.
DEFINITION array_pad
Pad array to the specified length with a (positive/right or negative/left) value. Length must be larger than current array size.
DEFINITION array_combine
Creates an array by using one array for keys and another for its value
DEFINITION array_rand
Pick one or more random keys out of an array
DEFINITION array_reverse
Return an array with elements in reverse order, with the option to preserve the keys for numeric keys.
DEFINITION prev
Rewind the internal array pointer
DEFINITION current (pos)
Return current element that the internal array pointer is set to.
DEFINITION next
Advance the internal pointer of an array
DEFINITION array_shift
Shift an element off the beginning of array. This function will reset() the array pointer of the input array after use.
DEFINITION array_unshift
Prepend one or more elements to the beginning of an array. All numerical array keys will be modified to start counting from zero while literal keys won't be changed.
DEFINITION array_chunk
Splits an array into smaller parts
DEFINITION array_fill
Creates an array specifying the starting index and length with a default value
DEFINITION compact
Creates an associative array using variables. (Opposite of extract)
DEFINITION in_array
Checks if a value exists in an array optionally using a strict comparison
DEFINITION array_replace
Replaces the values of the initial array with the values from all the following arrays with the same keys leaving values untouched for keys not found in any of the subsequent arrays and creating new entries for keys not found in the initial array but present in subsequent arrays in the order they are listed.
DEFINITION array_keys
Return all the keys or a subset of the keys of an array matching a search value that can be strictly compared
DEFINITION array_flip
Exchanges all keys with their associated values in an array.
DEFINITION array_merge_recursive
Merge one or more arrays recursively
DEFINITION range
Create a numeric or character array containing a range start, stop, and step
DEFINITION array_key_first
Gets the first key of an array
DEFINITION array_slice
Extract a slice of the array with a given offset and length optionally preserving keys.
DEFINITION end
Set the internal pointer of an array to its last element
DEFINITION array_count_values
Calculates the frequency of each value that appears in the array
DEFINITION array_reduce
Iteratively reduce the array to a single value using a callback function and an optional initial value
DEFINITION array_push
Push one or more elements onto the end of array
DEFINITION extract
Creates variables using an associative array. (Opposite of compact)
DEFINITION array_map
Applies the callback to the elements of the given arrays
DEFINITION array_unique
Removes duplicate values from an array and optionally set the comparison type. Note that keys are preserved. If multiple elements compare equal under, then the key and value of the first equal element will be retained
DEFINITION list
Creates variables by extracting any number of values in an array.
DEFINITION array_search
Searches the array for a given value (strictly compared or not) and returns the first corresponding key if successful
DEFINITION array_merge
Merge one or more arrays
DEFINITION array_product
Calculate the product of values in an array
DEFINITION array_sum
Calculate the sum of values in an array
DEFINITION array_change_key_case
Changes the casing of each key in an array.
DEFINITION array_replace_recursive
Replaces recursively the values of the initial array with the values from all the following arrays with the same keys leaving values untouched for keys not found in any of the subsequent arrays and creating new entries for keys not found in the initial array but present in subsequent arrays in the order they are listed.
DEFINITION array_multisort
Sort multiple or multi-dimensional arrays in a specifiable order and sort type. Associative (string) keys will be maintained, but numeric keys will be re-indexed.
DEFINITION array_splice
Removes a portion of the array and replace it with something else at a given offset and length
DEFINITION reset
Set the internal pointer of an array to its first element
DEFINITION array_key_last
Gets the last key of an array
DEFINITION array_key_exists (key_exists)
Checks if the given key or index exists in the array
DEFINITION shuffle
Shuffle the order of an array
DEFINITION array_values
Return all the values of an array and indexes the array numerically.
DEFINITION array_column
Extract a single column from a multidimensional array or array of objects.
DEFINITION count (sizeof)
Counts the total elements in an array
DEFINITION array_walk
Apply a user supplied function to every member of an array. Array walk can operate with keys while array map cannot and can modify existing array.
Section 2
(50 cards)
SIGNATURE array_intersect_key
( array $array1 , array $array2 [, array $... ] ) : array
SIGNATURE array_key_first
( array $array ) : mixed
SIGNATURE array_intersect_assoc
( array $array1 , array $array2 [, array $... ] ) : array
DEFINITION krsort
Sort an array by key in reverse order maintaining key to data correlations. This is useful mainly for associative arrays.
DEFINITION array_diff_assoc
Finds the difference between the initial array against any number of arrays comparing all key/value pairs
DEFINITION array_intersect_assoc
Finds the intersection between the initial array against any number of arrays comparing all key/value pairs
SIGNATURE array_filter
( array $array [, callable $callback [, int $flag = 0 ]] ) : array
DEFINITION array_udiff_uassoc
Finds the difference between the initial array and any number of arrays comparing all key/value pairs with a user value compare and key compare function
DEFINITION ksort
Sort an array by key maintaining key to data correlations. This is useful mainly for associative arrays.
DEFINITION uasort
Sort an array with a user-defined value comparison function and maintain index association
DEFINITION sort
Sort an array by value, indices are reordered.
DEFINITION arsort
Sort an array by value in reverse order and maintain index association. Optionally choose the sorting method
SIGNATURE array_chunk
( array $array , int $size [, bool $preserve_keys = FALSE ] ) : array
SIGNATURE array_diff
( array $array1 , array $array2 [, array $... ] ) : array
DEFINITION array_diff_key
Finds the difference between the initial array against any number of arrays comparing only the keys
SIGNATURE array_key_last
( array $array ) : mixed
DEFINITION array_diff_uassoc
Finds the difference between the initial array against any number of arrays comparing all key/value pairs with a user key compare function
SIGNATURE array_fill
( int $start_index , int $num , mixed $value ) : array
DEFINITION uksort
Sort an array by keys using a user-defined key comparison function
SIGNATURE array_diff_ukey
( array $array1 , array $array2 [, array $... ], callable $key_compare_func ) : array
SIGNATURE array_diff_uassoc
( array $array1 , array $array2 [, array $... ], callable $key_compare_func ) : array
SIGNATURE array_fill_keys
( array $keys , mixed $value ) : array
SIGNATURE array_count_values
( array $array ) : array
SIGNATURE array_intersect_uassoc
( array $array1 , array $array2 [, array $... ], callable $key_compare_func ) : array
SIGNATURE array_merge
([ array $... ] ) : array
DEFINITION natsort
Sort an array by value using a "natural order" algorithm. Indices are reordered.
SIGNATURE array_intersect
( array $array1 , array $array2 [, array $... ] ) : array
SIGNATURE array_combine
( array $keys , array $values ) : array
DEFINITION natcasesort
Sort an array by value using a case insensitive "natural order" algorithm. Indices are reordered.
DEFINITION array_intersect
Finds the intersection between the initial array against any number of arrays comparing only the values
SIGNATURE array_change_key_case
( array $array [, int $case = CASE_LOWER ] ) : array
DEFINITION rsort
Sort an array by value in reverse order. Indices are reordered.
SIGNATURE array_multisort
( array &$array1 [, mixed $array1_sort_order = SORT_ASC [, mixed $array1_sort_flags = SORT_REGULAR [, mixed $... ]]] ) : bool
SIGNATURE array_merge_recursive
([ array $... ] ) : array
DEFINITION array_uintersect_uassoc
Finds the intersection between the initial array and any number of arrays comparing all key/value pairs with a user value compare and key compare function
DEFINITION usort
Sort an array by values using a user-defined value comparison function. This function assigns new keys to the elements in array. It will remove any existing keys that may have been assigned, rather than just reordering the keys.
SIGNATURE array_column
( array $input , mixed $column_key [, mixed $index_key = NULL ] ) : array
DEFINITION asort
Sort an array by value and maintain index association
DEFINITION array_diff
Finds the difference between the initial array against any number of arrays comparing only values
SIGNATURE array_key_exists (key_exists)
( mixed $key , array $array ) : bool
DEFINITION array_uintersect_assoc
Finds the intersection between the initial array and any number of arrays comparing all key/value pairs with a user value compare function
SIGNATURE array_diff_assoc
( array $array1 , array $array2 [, array $... ] ) : array
SIGNATURE array_keys
( array $array ) : array ( array $array , mixed $search_value [, bool $strict = FALSE ] ) : array
SIGNATURE array_intersect_ukey
( array $array1 , array $array2 [, array $... ], callable $key_compare_func ) : array
SIGNATURE array_diff_key
( array $array1 , array $array2 [, array $... ] ) : array
SIGNATURE array_map
( callable $callback , array $array1 [, array $... ] ) : array
SIGNATURE array_flip
( array $array ) : array
DEFINITION array_uintersect
Finds the intersection between the initial array and any number of arrays comparing only the values with a user value compare function
DEFINITION array_intersect_key
Finds the intersection between the initial array against any number of arrays comparing only the keys
DEFINITION array_diff_ukey
Finds the difference between the initial array against any number of arrays comparing only the keys with a user key compare function
Section 3
(50 cards)