A

array_chunkarray_combinearray_count_values
array_diffarray_fillarray_filter
array_fliparray_intersectarray_key_exists
array_keysarray_maparray_merge
array_merge_recursivearray_multisortarray_pad
array_poparray_productarray_push
array_randarray_reversearray_shift
array_sumarray_uniquearray_unshift
array_valuesabsaddslashes

C

chunk_splitcompactcount
currentcheckdateceil
chopchrcount_chars

D

datedate_createdate_default_timezone_get
date_default_timezone_setdate_diffdate_format
date_modify

E

explodeextract

F

floorfmod

H

html_entity_decodehtmlentitieshtmlspecialchars
htmlspecialchars_decode

I

implodein_array

J

join

L

lcfirstltrim

M

microtimemktimemax
minmt_rand

N

nl2brnumber_format

O

ord

P

powparse_strprintf

R

rangeroundrtrim

S

shufflesortstr_split
strtotimesqrtsscanf
str_ireplacestr_padstr_repeat
str_replacestr_shufflestr_word_count
strchrstrip_tagsstripos
stripslashesstristrstrlen
strpbrkstrposstrrchr
strrevstrriposstrrpos
strspnstrstrstrtok
strtolowerstrtoupperstrtr
substrsubstr_countsubstr_replace

T

timetrim

U

ucfirstucwords

W

wordwrap