Section 1

Preview this deck

array_reverse()

Front

Star 0%
Star 0%
Star 0%
Star 0%
Star 0%

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Active users

0

All-time users

0

Favorites

0

Last updated

1 year ago

Date created

Mar 1, 2020

Cards (447)

Section 1

(50 cards)

array_reverse()

Front

Returns an array in the reverse order

Back

array_uintersect_assoc()

Front

Compares array keys, and compares array values in a user-made function, and returns an array

Back

array_walk()

Front

Applies a user function to every member of an array

Back

compact()

Front

Create array containing variables and their values

Back

array_diff_key()

Front

Compares array keys, and returns the differences

Back

array_merge()

Front

Merges one or more arrays into one array

Back

array_udiff_assoc()

Front

Compares array keys, and compares array values in a user-made function, and returns an array

Back

array_diff_uassoc()

Front

Compares array keys and values, with an additional user-made function check, and returns the differences

Back

array_values()

Front

Returns all the values of an array

Back

array_merge_recursive()

Front

Merges one or more arrays into one array

Back

array_push()

Front

Inserts one or more elements to the end of an array

Back

array_intersect_ukey()

Front

Compares array keys, with an additional user-made function check, and returns the matches

Back

array_intersect_uassoc()

Front

Compares array keys and values, with an additional user-made function check, and returns the matches

Back

array_fill()

Front

Fills an array with values

Back

array_chunk()

Front

Splits an array into chunks of arrays

Back

array_intersect()

Front

Compares array values, and returns the matches

Back

array_filter()

Front

Filters elements of an array using a user-made function

Back

array()

Front

Creates an array

Back

array_flip()

Front

Exchanges all keys with their associated values in an array

Back

array_map()

Front

Sends each value of an array to a user-made function, which returns new values

Back

array_change_key_case()

Front

Returns an array with all keys in lowercase or uppercase

Back

array_intersect_key()

Front

Compares array keys, and returns the matches

Back

array_intersect_assoc()

Front

Compares array keys and values, and returns the matches

Back

array_slice()

Front

Returns selected parts of an array

Back

array_combine()

Front

Creates an array by using one array for keys and another for its values

Back

array_reduce()

Front

Returns an array as a string, using a user-defined function

Back

array_splice()

Front

Removes and replaces specified elements of an array

Back

array_multisort()

Front

Sorts multiple or multi-dimensional arrays

Back

array_search()

Front

Searches an array for a given value and returns the key

Back

array_diff_ukey()

Front

Compares array keys, with an additional user-made function check, and returns the differences

Back

array_walk_recursive()

Front

Applies a user function recursively to every member of an array

Back

array_udiff()

Front

Compares array values in a user-made function and returns an array

Back

array_uintersect()

Front

Compares array values in a user-made function and returns an array

Back

array_shift()

Front

Removes the first element from an array, and returns the value of the removed element

Back

array_product()

Front

Calculates the product of the values in an array

Back

array_sum()

Front

Returns the sum of the values in an array

Back

array_rand()

Front

Returns one or more random keys from an array

Back

array_keys()

Front

Returns all the keys of an array

Back

arsort()

Front

Sorts an array in reverse order and maintain index association

Back

array_diff()

Front

Compares array values, and returns the differences

Back

array_pop()

Front

Deletes the last element of an array

Back

array_pad()

Front

Inserts a specified number of items, with a specified value, to an array

Back

asort()

Front

Sorts an array and maintain index association

Back

array_count_values()

Front

Returns an array with the number of occurrences for each value

Back

array_uintersect_uassoc()

Front

Compares array keys and array values in user-made functions, and returns an array

Back

array_udiff_uassoc()

Front

Compares array keys and array values in user-made functions, and returns an array

Back

array_unique()

Front

Removes duplicate values from an array

Back

array_key_exists()

Front

Checks if the specified key exists in the array

Back

array_diff_assoc()

Front

Compares array keys and values, and returns the differences

Back

array_unshift()

Front

Adds one or more elements to the beginning of an array

Back

Section 2

(50 cards)

easter_days()

Front

Returns the number of days after March 21, on which Easter falls for a specified year

Back

range()

Front

Creates an array containing a range of elements

Back

natsort()

Front

Sorts an array using a "natural order" algorithm

Back

natcasesort()

Front

Sorts an array using a case insensitive "natural order" algorithm

Back

next()

Front

Advance the internal array pointer of an array

Back

FrenchToJD()

Front

Converts a French Republican date to a Julian day count

Back

prev()

Front

Rewinds the internal array pointer

Back

count()

Front

Counts elements in an array, or properties in an object

Back

date_default_timezone_set()

Front

Sets the default time zone

Back

date_sunset()

Front

Returns the time of sunset for a given day / location

Back

easter_date()

Front

Returns the Unix timestamp for midnight on Easter of a specified year

Back

cal_info()

Front

Returns information about a given calendar

Back

extract()

Front

Imports variables into the current symbol table from an array

Back

getdate()

Front

Returns an array that contains date and time information for a Unix timestamp

Back

JDMonthName()

Front

Returns a month name

Back

date_sunrise()

Front

Returns the time of sunrise for a given day / location

Back

JDDayOfWeek()

Front

Returns the day of a week

Back

reset()

Front

Sets the internal pointer of an array to its first element

Back

JewishToJD()

Front

Converts a Jewish date to a Julian day count

Back

unixtojd()

Front

Converts a Unix timestamp to a Julian day count

Back

sizeof()

Front

Alias of count()

Back

date()

Front

Formats a local time/date

Back

list()

Front

Assigns variables as if they were an array

Back

sort()

Front

Sorts an array

Back

jdtojewish()

Front

Converts a Julian day count to a Jewish date

Back

shuffle()

Front

Shuffles an array

Back

key()

Front

Fetches a key from an array

Back

GregorianToJD()

Front

Converts a Gregorian date to a Julian day count

Back

end()

Front

Sets the internal pointer of an array to its last element

Back

checkdate()

Front

Validates a Gregorian date

Back

in_array()

Front

Checks if a specified value exists in an array

Back

ksort()

Front

Sorts an array by key

Back

cal_to_jd()

Front

Converts a date to Julian day count

Back

JDToFrench()

Front

Converts a Julian day count to a French Republican date

Back

cal_from_jd()

Front

Converts a Julian day count into a date of a specified calendar

Back

date_default_timezone_get()

Front

Returns the default time zone

Back

krsort()

Front

Sorts an array by key in reverse order

Back

JulianToJD()

Front

Converts a Julian date to a Julian day count

Back

rsort()

Front

Sorts an array in reverse order

Back

jdtounix()

Front

Converts a Julian day count to a Unix timestamp

Back

JDToGregorian()

Front

Converts a Julian day count to a Gregorian date

Back

uksort()

Front

Sorts an array by keys using a user-defined function

Back

current()

Front

Returns the current element in an array

Back

pos()

Front

Alias of current()

Back

gettimeofday()

Front

Returns an array that contains current time information

Back

usort()

Front

Sorts an array by values using a user-defined function

Back

cal_days_in_month()

Front

Returns the number of days in a month for a specified year and calendar

Back

each()

Front

Returns the current key and value pair from an array

Back

JDToJulian()

Front

Converts a Julian day count to a Julian date

Back

uasort()

Front

Sorts an array with a user-defined function and maintain index association

Back

Section 3

(50 cards)

chgrp()

Front

Changes the file group

Back

localtime()

Front

Returns an array that contains the time components of a Unix timestamp

Back

file()

Front

Reads a file into an array

Back

user_error()

Front

Alias of trigger_error()

Back

scandir()

Front

Lists files and directories inside a specified path

Back

strftime()

Front

Formats a local time/date according to locale settings

Back

feof()

Front

Tests for end-of-file on an open file

Back

chown()

Front

Changes the file owner

Back

dir()

Front

Opens a directory handle and returns an object

Back

fgetss()

Front

Returns a line, with HTML and PHP tags removed, from an open file

Back

fclose()

Front

Closes an open file

Back

gmstrftime()

Front

Formats a GMT/UTC time/date according to locale settings

Back

debug_backtrace()

Front

Generates a backtrace

Back

readdir()

Front

Returns an entry from a directory handle

Back

basename()

Front

Returns the filename component of a path

Back

error_reporting()

Front

Specifies which errors are reported

Back

set_error_handler()

Front

Sets a user-defined function to handle errors

Back

fgetcsv()

Front

Parses a line from an open file, checking for CSV fields

Back

chroot()

Front

Changes the root directory of the current process

Back

time()

Front

Returns the current time as a Unix timestamp

Back

fgetc()

Front

Returns a character from an open file

Back

gmdate()

Front

Formats a GMT/UTC date/time

Back

fgets()

Front

Returns a line from an open file

Back

fflush()

Front

Flushes buffered output to an open file

Back

opendir()

Front

Opens a directory handle

Back

trigger_error()

Front

Creates a user-defined error message

Back

microtime()

Front

Returns the microseconds for the current time

Back

strtotime()

Front

Parses an English textual date or time into a Unix timestamp

Back

closedir()

Front

Closes a directory handle

Back

disk_total_space()

Front

Returns the total size of a directory

Back

strptime()

Front

Parses a time/date generated with strftime()

Back

rewinddir()

Front

Resets a directory handle

Back

mktime()

Front

Returns the Unix timestamp for a date

Back

gmmktime()

Front

Returns the Unix timestamp for a GMT date

Back

restore_exception_handler()

Front

Restores the previous exception handler

Back

set_exception_handler()

Front

Sets a user-defined function to handle exceptions

Back

debug_print_backtrace()

Front

Prints a backtrace

Back

getcwd()

Front

Returns the current directory

Back

copy()

Front

Copies a file

Back

diskfreespace()

Front

Alias of disk_free_space()

Back

chdir()

Front

Changes the current directory

Back

error_log()

Front

Sends an error to the server error-log, to a file or to a remote destination

Back

error_get_last()

Front

Gets the last error occurred

Back

clearstatcache()

Front

Clears the file status cache

Back

chmod()

Front

Changes the file mode

Back

delete()

Front

See unlink() or unset()

Back

dirname()

Front

Returns the directory name component of a path

Back

idate()

Front

Formats a local time/date as integer

Back

restore_error_handler()

Front

Restores the previous error handler

Back

disk_free_space()

Front

Returns the free space of a directory

Back

Section 4

(50 cards)

fseek()

Front

Seeks in an open file

Back

rewind()

Front

Rewinds a file pointer

Back

realpath()

Front

Returns the absolute pathname

Back

readlink()

Front

Returns the target of a symbolic link

Back

linkinfo()

Front

Returns information about a hard link

Back

filemtime()

Front

Returns the last modification time of a file

Back

is_executable()

Front

Checks whether a file is executable

Back

is_file()

Front

Checks whether a file is a regular file

Back

move_uploaded_file()

Front

Moves an uploaded file to a new location

Back

pclose()

Front

Closes a pipe opened by popen()

Back

fwrite()

Front

Writes to an open file

Back

link()

Front

Creates a hard link

Back

filegroup()

Front

Returns the group ID of a file

Back

ftell()

Front

Returns the current position in an open file

Back

fputs()

Front

Alias of fwrite()

Back

flock()

Front

Locks or releases a file

Back

file_put_contents

Front

Writes a string to a file

Back

fstat()

Front

Returns information about an open file

Back

file_get_contents()

Front

Reads a file into a string

Back

glob()

Front

Returns an array of filenames / directories matching a specified pattern

Back

fread()

Front

Reads from an open file

Back

fputcsv()

Front

Formats a line as CSV and writes it to an open file

Back

fileperms()

Front

Returns the permissions of a file

Back

fileowner()

Front

Returns the user ID (owner) of a file

Back

fopen()

Front

Opens a file or URL

Back

is_dir()

Front

Checks whether a file is a directory

Back

ftruncate()

Front

Truncates an open file to a specified length

Back

rename()

Front

Renames a file or directory

Back

file_exists()

Front

Checks whether or not a file or directory exists

Back

is_writable()

Front

Checks whether a file is writeable

Back

mkdir()

Front

Creates a directory

Back

parse_ini_file()

Front

Parses a configuration file

Back

fileatime()

Front

Returns the last access time of a file

Back

is_readable()

Front

Checks whether a file is readable

Back

pathinfo()

Front

Returns information about a file path

Back

set_file_buffer()

Front

Sets the buffer size of an open file

Back

filectime()

Front

Returns the last change time of a file

Back

fpassthru()

Front

Reads from an open file, until EOF, and writes the result to the output buffer

Back

fnmatch()

Front

Matches a filename or string against a specified pattern

Back

fileinode()

Front

Returns the inode number of a file

Back

is_uploaded_file()

Front

Checks whether a file was uploaded via HTTP POST

Back

is_link()

Front

Checks whether a file is a link

Back

is_writeable()

Front

Alias of is_writable()

Back

rmdir()

Front

Removes an empty directory

Back

lstat()

Front

Returns information about a file or symbolic link

Back

popen()

Front

Opens a pipe

Back

fscanf()

Front

Parses input from an open file according to a specified format

Back

filesize()

Front

Returns the file size

Back

filetype()

Front

Returns the file type

Back

readfile()

Front

Reads a file and writes it to the output buffer

Back

Section 5

(50 cards)

ftp_mkdir()

Front

Creates a new directory on the FTP server

Back

FILTER_SANITIZE_STRING

Front

Strip tags, optionally strip or encode special characters

Back

ftp_get()

Front

Downloads a file from the FTP server

Back

FILTER_SANITIZE_NUMBER_FLOAT

Front

Remove all characters, except digits, +- and optionally .,eE

Back

ftp_cdup()

Front

Changes the current directory to the parent directory on the FTP server

Back

FILTER_SANITIZE_NUMBER_INT

Front

Remove all characters, except digits and +-

Back

ftp_get_option()

Front

Returns runtime behaviors of the FTP connection

Back

ftp_fput()

Front

Uploads from an open file and saves it to a file on the FTP server

Back

ftp_alloc()

Front

Allocates space for a file to be uploaded to the FTP server

Back

ftp_close()

Front

Closes an FTP connection

Back

FILTER_VALIDATE_IP

Front

Validate value as IP address, optionally only IPv or IPv6 or not from private or reserved ranges

Back

filter_var_array()

Front

Get multiple variables and filter them

Back

FILTER_SANITIZE_EMAIL

Front

Remove all characters, except letters, digits and !#$%&'*+-/=?^_`{|}~@.[]

Back

FILTER_VALIDATE_INT

Front

Validate value as integer, optionally from the specified range

Back

FILTER_UNSAFE_RAW

Front

Do nothing, optionally strip or encode special characters

Back

FILTER_VALIDATE_REGEXP

Front

Validate value against regexp, a Perl-compatible regular expression

Back

FILTER_SANITIZE_MAGIC_QUOTES

Front

Apply addslashes()

Back

ftp_chmod()

Front

Sets permissions on a file via FTP

Back

ftp_fget()

Front

Downloads a file from the FTP server and saves it to an open file

Back

FILTER_SANITIZE_URL

Front

Remove all characters, except letters, digits and $-_.+!*'(),{}|\\^~[]`<>#%";/?:@&=

Back

unlink()

Front

Deletes a file

Back

FILTER_VALIDATE_BOOLEAN

Front

Return TRUE for "1", "true", "on" and "yes", FALSE for "0", "false", "off", "no", and "", NULL otherwise

Back

ftp_nb_fput()

Front

Uploads from an open file and saves it to a file on the FTP server (non-blocking)

Back

ftp_exec()

Front

Executes a program/command on the FTP server

Back

symlink()

Front

Creates a symbolic link

Back

FILTER_SANITIZE_ENCODED

Front

URL-encode string, optionally strip or encode special characters

Back

ftp_mdtm()

Front

Returns the last modified time of a specified file

Back

FILTER_VALIDATE_FLOAT

Front

Validate value as float

Back

ftp_chdir()

Front

Changes the current directory on the FTP server

Back

ftp_connect()

Front

Opens an FTP connection

Back

tempnam()

Front

Creates a unique temporary file

Back

ftp_delete()

Front

Deletes a file on the FTP server

Back

filter_has_var()

Front

Checks if a variable of a specified input type exist

Back

tmpfile()

Front

Creates a unique temporary file

Back

ftp_nb_continue()

Front

Continues retrieving/sending a file (non-blocking)

Back

ftp_nb_fget()

Front

Downloads a file from the FTP server and saves it to an open file (non-blocking)

Back

FILTER_VALIDATE_URL

Front

Validate value as URL, optionally with required components

Back

filter_list()

Front

Returns an array of all supported filters

Back

FILTER_CALLBACK

Front

Call a user-defined function to filter data

Back

filter_id()

Front

Returns the ID number of a specified filter

Back

filter_var()

Front

Get a variable and filter it

Back

FILTER_SANITIZE_STRIPPED

Front

Alias of "string" filter

Back

filter_input()

Front

Get input from outside the script and filter it

Back

FILTER_VALIDATE_EMAIL

Front

Validate value as e-mail

Back

filter_input_array()

Front

Get multiple inputs from outside the script and filters them

Back

umask()

Front

Changes file permissions for files

Back

stat()

Front

Returns information about a file

Back

ftp_login()

Front

Logs on to an FTP connection

Back

touch()

Front

Sets access and modification time of a file

Back

FILTER_SANITIZE_SPECIAL_CHARS

Front

HTML-escape '"<>& and characters with ASCII value less than 2

Back

Section 6

(50 cards)

ftp_pasv()

Front

Turns passive mode on or off

Back

ftp_nlist()

Front

Lists the files in a specified directory on the FTP server

Back

getrandmax()

Front

Returns the maximum random number that can be returned by a call to the rand() function

Back

base_convert()

Front

Converts a number from one base to another

Back

dechex()

Front

Converts a decimal number to a hexadecimal number

Back

header()

Front

Sends a raw HTTP header to a client

Back

floor()

Front

Returns the value of a number rounded downwards to the nearest integer

Back

fmod()

Front

Returns the remainder (modulo) of the division of the arguments

Back

acosh()

Front

Returns the inverse hyperbolic cosine of a number

Back

lcg_value()

Front

Returns a pseudo random number in the range of (0,1)

Back

is_finite()

Front

Returns true if a value is a finite number

Back

ftp_nb_get()

Front

Downloads a file from the FTP server (non-blocking)

Back

hexdec()

Front

Converts a hexadecimal number to a decimal number

Back

ftp_rename()

Front

Renames a file or directory on the FTP server

Back

setrawcookie()

Front

Sends an HTTP cookie without URL encoding the cookie value

Back

headers_sent()

Front

Checks if / where the HTTP headers have been sent

Back

ftp_rmdir()

Front

Removes a directory on the FTP server

Back

abs()

Front

Returns the absolute value of a number

Back

bindec()

Front

Converts a binary number to a decimal number

Back

ftp_size()

Front

Returns the size of the specified file

Back

decoct()

Front

Converts a decimal number to an octal number

Back

mail()

Front

Allows you to send emails directly from a script

Back

cos()

Front

Returns the cosine of a number

Back

ftp_nb_put()

Front

Uploads a file to the FTP server (non-blocking)

Back

hypot()

Front

Returns the length of the hypotenuse of a right-angle triangle

Back

ftp_set_option()

Front

Sets runtime options for the FTP connection

Back

expm1()

Front

Returns the value of Ex - 1

Back

ftp_raw()

Front

Sends a raw command to the FTP server

Back

ceil()

Front

Returns the value of a number rounded upwards to the nearest integer

Back

ftp_put()

Front

Uploads a file to the FTP server

Back

ftp_ssl_connect()

Front

Opens a secure SSL-FTP connection

Back

decbin()

Front

Converts a decimal number to a binary number

Back

is_nan()

Front

Returns true if a value is not a number

Back

exp()

Front

Returns the value of Ex

Back

is_infinite()

Front

Returns true if a value is an infinite number

Back

atanh()

Front

Returns the inverse hyperbolic tangent of a number

Back

acos()

Front

Returns the arccosine of a number

Back

cosh()

Front

Returns the hyperbolic cosine of a number

Back

setcookie()

Front

Sends an HTTP cookie to a client

Back

ftp_quit()

Front

Alias of ftp_close()

Back

ftp_systype()

Front

Returns the system type identifier of the FTP server

Back

deg2rad()

Front

Converts a degree to a radian number

Back

ftp_rawlist()

Front

Returns a detailed list of files in the specified directory

Back

atan()

Front

Returns the arctangent of a number as a numeric value between -PI/2 and PI/2 radians

Back

ftp_pwd()

Front

Returns the current directory name

Back

atan2()

Front

Returns the angle theta of an (x,y) point as a numeric value between -PI and PI radians

Back

asin()

Front

Returns the arcsine of a number

Back

ftp_site()

Front

Sends a SITE command to the server

Back

headers_list()

Front

Returns a list of response headers sent (or ready to send)

Back

asinh()

Front

Returns the inverse hyperbolic sine of a number

Back

Section 7

(50 cards)

unpack()

Front

Unpacks data from a binary string

Back

log()

Front

Returns the natural logarithm (base E) of a number

Back

define()

Front

Defines a constant

Back

constant()

Front

Returns the value of a constant

Back

addcslashes()

Front

Returns a string with backslashes in front of the specified characters

Back

bin2hex()

Front

Converts a string of ASCII characters to hexadecimal values

Back

log1p()

Front

Returns log(1+number)

Back

addslashes()

Front

Returns a string with backslashes in front of predefined characters

Back

round()

Front

Rounds a number to the nearest integer

Back

time_sleep_until()

Front

Delays code execution until a specified time

Back

rad2deg()

Front

Converts a radian number to a degree

Back

sqrt()

Front

Returns the square root of a number

Back

get_browser()

Front

Returns the capabilities of the user's browser

Back

highlight_file()

Front

Outputs a file with the PHP syntax highlighted

Back

mt_srand()

Front

Seeds the Mersenne Twister random number generator

Back

uniqid()

Front

Generates a unique ID

Back

eval()

Front

Evaluates a string as PHP code

Back

mt_rand()

Front

Returns a random integer using Mersenne Twister algorithm

Back

php_check_syntax()

Front

Deprecated in PHP .0.

Back

time_nanosleep()

Front

Delays code execution for a number of seconds and nanoseconds

Back

srand()

Front

Seeds the random number generator

Back

highlight_string()

Front

Outputs a string with the PHP syntax highlighted

Back

pow()

Front

Returns the value of x to the power of y

Back

chunk_split()

Front

Splits a string into a series of smaller parts

Back

sleep()

Front

Delays code execution for a number of seconds

Back

rand()

Front

Returns a random integer

Back

connection_aborted()

Front

Checks whether the client has disconnected

Back

pi()

Front

Returns the value of PI

Back

max()

Front

Returns the number with the highest value of two specified numbers

Back

defined()

Front

Checks whether a constant exists

Back

chr()

Front

Returns a character from a specified ASCII value

Back

sin()

Front

Returns the sine of a number

Back

ignore_user_abort()

Front

Sets whether a remote client can abort the running of a script

Back

sinh()

Front

Returns the hyperbolic sine of a number

Back

tanh()

Front

Returns the hyperbolic tangent of an angle

Back

php_strip_whitespace()

Front

Returns the source code of a file with PHP comments and whitespace removed

Back

usleep()

Front

Delays code execution for a number of microseconds

Back

connection_timeout()

Front

Deprecated in PHP .0.

Back

exit()

Front

Prints a message and exits the current script

Back

mt_getrandmax()

Front

Returns the largest possible value that can be returned by mt_rand()

Back

tan()

Front

Returns the tangent of an angle

Back

connection_status()

Front

Returns the current connection status

Back

die()

Front

Prints a message and exits the current script

Back

octdec()

Front

Converts an octal number to a decimal number

Back

convert_cyr_string()

Front

Converts a string from one Cyrillic character-set to another

Back

chop()

Front

Alias of rtrim()

Back

pack()

Front

Packs data into a binary string

Back

log10()

Front

Returns the base-10 logarithm of a number

Back

min()

Front

Returns the number with the lowest value of two specified numbers

Back

show_source()

Front

Alias of highlight_file()

Back

Section 8

(50 cards)

soundex()

Front

Calculates the soundex key of a string

Back

localeconv()

Front

Returns locale numeric and monetary formatting information

Back

quotemeta()

Front

Quotes meta characters

Back

fprintf()

Front

Writes a formatted string to a specified output stream

Back

str_word_count()

Front

Count the number of words in a string

Back

htmlspecialchars_decode()

Front

Converts some predefined HTML entities to characters

Back

str_split()

Front

Splits a string into an array

Back

printf()

Front

Outputs a formatted string

Back

convert_uuencode()

Front

Encodes a string using the uuencode algorithm

Back

money_format()

Front

Returns a string formatted as a currency string

Back

setlocale()

Front

Sets locale information

Back

str_ireplace()

Front

Replaces some characters in a string (case-insensitive)

Back

str_shuffle()

Front

Randomly shuffles all characters in a string

Back

sha1()

Front

Calculates the SHA-1 hash of a string

Back

number_format()

Front

Formats a number with grouped thousands

Back

crc2()

Front

Calculates a 2-bit CRC for a string

Back

nl2br()

Front

Inserts HTML line breaks in front of each newline in a string

Back

hebrev()

Front

Converts Hebrew text to visual text

Back

similar_text()

Front

Calculates the similarity between two strings

Back

quoted_printable_decode()

Front

Decodes a quoted-printable string

Back

ord()

Front

Returns the ASCII value of the first character of a string

Back

str_replace()

Front

Replaces some characters in a string (case-sensitive)

Back

md_file()

Front

Calculates the MD hash of a file

Back

hebrevc()

Front

Converts Hebrew text to visual text and new lines (
) into <br />

Back

str_rot1()

Front

Performs the ROT1 encoding on a string

Back

str_pad()

Front

Pads a string to a new length

Back

htmlentities()

Front

Converts characters to HTML entities

Back

levenshtein()

Front

Returns the Levenshtein distance between two strings

Back

ltrim()

Front

Strips whitespace from the left side of a string

Back

print()

Front

Outputs a string

Back

parse_str()

Front

Parses a query string into variables

Back

crypt()

Front

One-way string encryption (hashing)

Back

rtrim()

Front

Strips whitespace from the right side of a string

Back

sprintf()

Front

Writes a formatted string to a variable

Back

md()

Front

Calculates the MD hash of a string

Back

html_entity_decode()

Front

Converts HTML entities to characters

Back

metaphone()

Front

Calculates the metaphone key of a string

Back

str_repeat()

Front

Repeats a string a specified number of times

Back

htmlspecialchars()

Front

Converts some predefined characters to HTML entities

Back

sscanf()

Front

Parses input from a string according to a format

Back

implode()

Front

Returns a string from the elements of an array

Back

join()

Front

Alias of implode()

Back

count_chars()

Front

Returns how many times an ASCII character occurs within a string and returns the information

Back

strcasecmp()

Front

Compares two strings (case-insensitive)

Back

echo()

Front

Outputs strings

Back

convert_uudecode()

Front

Decodes a uuencoded string

Back

explode()

Front

Breaks a string into an array

Back

nl_langinfo()

Front

Returns specific local information

Back

sha1_file()

Front

Calculates the SHA-1 hash of a file

Back

get_html_translation_table()

Front

Returns the translation table used by htmlspecialchars() and htmlentities()

Back

Section 9

(47 cards)

zip_close()

Front

Closes a ZIP file

Back

zip_read()

Front

Reads the next entry in a ZIP file

Back

substr()

Front

Returns a part of a string

Back

strrev()

Front

Reverses a string

Back

stripcslashes()

Front

Unquotes a string quoted with addcslashes()

Back

wordwrap()

Front

Wraps a string to a given number of characters

Back

vsprintf()

Front

Writes a formatted string to a variable

Back

zip_entry_close()

Front

Closes an entry in the ZIP file

Back

substr_count()

Front

Counts the number of times a substring occurs in a string

Back

zip_entry_name()

Front

Returns the name of an entry in the ZIP file

Back

strpos()

Front

Returns the position of the first occurrence of a string inside another string (case-sensitive)

Back

strtolower()

Front

Converts a string to lowercase letters

Back

stripslashes()

Front

Unquotes a string quoted with addslashes()

Back

strpbrk()

Front

Searches a string for any of a set of characters

Back

vprintf()

Front

Outputs a formatted string

Back

zip_entry_open()

Front

Opens an entry in the ZIP file for reading

Back

ucfirst()

Front

Converts the first character of a string to uppercase

Back

strtok()

Front

Splits a string into smaller strings

Back

strip_tags()

Front

Strips HTML and PHP tags from a string

Back

strcmp()

Front

Compares two strings (case-sensitive)

Back

strripos()

Front

Finds the position of the last occurrence of a string inside another string (case-insensitive)

Back

strcspn()

Front

Returns the number of characters found in a string before any part of some specified characters are found

Back

strtr()

Front

Translates certain characters in a string

Back

substr_replace()

Front

Replaces a part of a string with another string

Back

strnatcmp()

Front

Compares two strings using a "natural order" algorithm (case-sensitive)

Back

ucwords()

Front

Converts the first character of each word in a string to uppercase

Back

strchr()

Front

Finds the first occurrence of a string inside another string (alias of strstr())

Back

strcoll()

Front

Locale based string comparison

Back

strspn()

Front

Returns the number of characters found in a string that contains only characters from a specified charlist

Back

zip_entry_read()

Front

Reads from an open entry in the ZIP file

Back

strncmp()

Front

String comparison of the first n characters (case-sensitive)

Back

zip_entry_compressionmethod()

Front

Returns the compression method of an entry in the ZIP file

Back

strncasecmp()

Front

String comparison of the first n characters (case-insensitive)

Back

strrchr()

Front

Finds the last occurrence of a string inside another string

Back

trim()

Front

Strips whitespace from both sides of a string

Back

strstr()

Front

Finds the first occurrence of a string inside another string (case-sensitive)

Back

zip_entry_filesize()

Front

Returns the actual file size of an entry in the ZIP file

Back

zip_open()

Front

Opens a ZIP file

Back

stripos()

Front

Returns the position of the first occurrence of a string inside another string (case-insensitive)

Back

substr_compare()

Front

Compares two strings from a specified start position (binary safe and optionally case-sensitive)

Back

strrpos()

Front

Finds the position of the last occurrence of a string inside another string (case-sensitive)

Back

strlen()

Front

Returns the length of a string

Back

strtoupper()

Front

Converts a string to uppercase letters

Back

strnatcasecmp()

Front

Compares two strings using a "natural order" algorithm (case-insensitive)

Back

stristr()

Front

Finds the first occurrence of a string inside another string (case-insensitive)

Back

zip_entry_compressedsize()

Front

Returns the compressed size of an entry in the ZIP file

Back

vfprintf()

Front

Writes a formatted string to a specified output stream

Back