7/23/2019 PHP 5 Array Functions

http://slidepdf.com/reader/full/php-5-array-functions 1/2

PHP 5 Array Functions

Function Description

array() Creates an array

array_chunk() Splits an array into chunks of arrays

array_combine() Creates an array by using the elements from one "keys" array an one

"!alues" array

array_iff() Compare arrays an returns the ifferences (compare !alues only)array_fill() Fills an array #ith !alues

array_fill_keys() Fills an array #ith !alues specifying keys

array_intersect() Compare arrays an returns the matches (compare !alues only)

array_intersect_key() Compare arrays an returns the matches (compare keys only)

array_key_e$ists() Checks if the specifie key e$ists in the array

array_keys() %eturns all the keys of an array

array_merge() &erges one or more arrays into one array

array_merge_recursi!e() &erges one or more arrays into one array recursi!ely

array_pop() 'eletes the last element of an array

array_prouct() Calculates the prouct of the !alues in an array

array_push() nserts one or more elements to the en of an array

array_ran() %eturns one or more ranom keys from an array

array_replace() %eplaces the !alues of the first array #ith the !alues from follo#ing

arrays

array_replace_recursi!e() %eplaces the !alues of the first array #ith the !alues from follo#ing

arrays recursi!ely

array_re!erse() %eturns an array in the re!erse orer

array_search() Searches an array for a gi!en !alue an returns the key

array_shift() %emo!es the first element from an array an returns the !alue of the

remo!e element

array_slice() %eturns selecte parts of an array

array_splice() %emo!es an replaces specifie elements of an array

array_sum() %eturns the sum of the !alues in an arrayarray_uniue() %emo!es uplicate !alues from an array

array_!alues() %eturns all the !alues of an array

arsort() Sorts an associati!e array in escening orer accoring to the !alue

asort() Sorts an associati!e array in ascening orer accoring to the !alue

count() %eturns the number of elements in an array

current() %eturns the current element in an array

ne$t() A!ance the internal array pointer of an array

reset() Sets the internal pointer of an array to its first element

sort() Sorts an ine$e array in ascening orer

PHP 5 String Functions

*he PHP string functions are part of the PHP core+ ,o installation is reuire to use these

functions+

7/23/2019 PHP 5 Array Functions

http://slidepdf.com/reader/full/php-5-array-functions 2/2

Function Description

str_ireplace() %eplaces some characters in a string (case-insensiti!e)

str_pa() Pas a string to a ne# length

str_repeat() %epeats a string a specifie number of times

str_replace() %eplaces some characters in a string (case-sensiti!e)

str_split() Splits a string into an array

strcmp() Compares t#o strings (case-sensiti!e)

stristr() Fins the first occurrence of a string insie another string (case-

insensiti!e)

strlen() %eturns the length of a string

strpbrk() Searches a string for any of a set of characters

strpos() %eturns the position of the first occurrence of a string insie another

string (case-sensiti!e)

strrchr() Fins the last occurrence of a string insie another string

strre!() %e!erses a string

strripos() Fins the position of the last occurrence of a string insie another

string (case-insensiti!e)

strrpos() Fins the position of the last occurrence of a string insie another

string (case-sensiti!e)strspn() %eturns the number of characters foun in a string that contains only

characters from a specifie charlist

strstr() Fins the first occurrence of a string insie another string (case-

sensiti!e)

strtok() Splits a string into smaller strings

strtolo#er() Con!erts a string to lo#ercase letters

strtoupper() Con!erts a string to uppercase letters

substr() %eturns a part of a string

substr_count() Counts the number of times a substring occurs in a string

substr_replace() %eplaces a part of a string #ith another string

trim() %emo!es #hitespace or other characters from both sies of a string