Section 1
Preview this deck
array_reverse()
Front
| 5 | 0 | ||
| 4 | 0 | ||
| 3 | 0 | ||
| 2 | 0 | ||
| 1 | 0 |
Active users
0
All-time users
0
Favorites
0
Last updated
4 years ago
Date created
Mar 1, 2020
Cards (447)
Section 1
(50 cards)
array_reverse()
Returns an array in the reverse order
array_uintersect_assoc()
Compares array keys, and compares array values in a user-made function, and returns an array
array_walk()
Applies a user function to every member of an array
compact()
Create array containing variables and their values
array_diff_key()
Compares array keys, and returns the differences
array_merge()
Merges one or more arrays into one array
array_udiff_assoc()
Compares array keys, and compares array values in a user-made function, and returns an array
array_diff_uassoc()
Compares array keys and values, with an additional user-made function check, and returns the differences
array_values()
Returns all the values of an array
array_merge_recursive()
Merges one or more arrays into one array
array_push()
Inserts one or more elements to the end of an array
array_intersect_ukey()
Compares array keys, with an additional user-made function check, and returns the matches
array_intersect_uassoc()
Compares array keys and values, with an additional user-made function check, and returns the matches
array_fill()
Fills an array with values
array_chunk()
Splits an array into chunks of arrays
array_intersect()
Compares array values, and returns the matches
array_filter()
Filters elements of an array using a user-made function
array()
Creates an array
array_flip()
Exchanges all keys with their associated values in an array
array_map()
Sends each value of an array to a user-made function, which returns new values
array_change_key_case()
Returns an array with all keys in lowercase or uppercase
array_intersect_key()
Compares array keys, and returns the matches
array_intersect_assoc()
Compares array keys and values, and returns the matches
array_slice()
Returns selected parts of an array
array_combine()
Creates an array by using one array for keys and another for its values
array_reduce()
Returns an array as a string, using a user-defined function
array_splice()
Removes and replaces specified elements of an array
array_multisort()
Sorts multiple or multi-dimensional arrays
array_search()
Searches an array for a given value and returns the key
array_diff_ukey()
Compares array keys, with an additional user-made function check, and returns the differences
array_walk_recursive()
Applies a user function recursively to every member of an array
array_udiff()
Compares array values in a user-made function and returns an array
array_uintersect()
Compares array values in a user-made function and returns an array
array_shift()
Removes the first element from an array, and returns the value of the removed element
array_product()
Calculates the product of the values in an array
array_sum()
Returns the sum of the values in an array
array_rand()
Returns one or more random keys from an array
array_keys()
Returns all the keys of an array
arsort()
Sorts an array in reverse order and maintain index association
array_diff()
Compares array values, and returns the differences
array_pop()
Deletes the last element of an array
array_pad()
Inserts a specified number of items, with a specified value, to an array
asort()
Sorts an array and maintain index association
array_count_values()
Returns an array with the number of occurrences for each value
array_uintersect_uassoc()
Compares array keys and array values in user-made functions, and returns an array
array_udiff_uassoc()
Compares array keys and array values in user-made functions, and returns an array
array_unique()
Removes duplicate values from an array
array_key_exists()
Checks if the specified key exists in the array
array_diff_assoc()
Compares array keys and values, and returns the differences
array_unshift()
Adds one or more elements to the beginning of an array
Section 2
(50 cards)
easter_days()
Returns the number of days after March 21, on which Easter falls for a specified year
range()
Creates an array containing a range of elements
natsort()
Sorts an array using a "natural order" algorithm
natcasesort()
Sorts an array using a case insensitive "natural order" algorithm
next()
Advance the internal array pointer of an array
FrenchToJD()
Converts a French Republican date to a Julian day count
prev()
Rewinds the internal array pointer
count()
Counts elements in an array, or properties in an object
date_default_timezone_set()
Sets the default time zone
date_sunset()
Returns the time of sunset for a given day / location
easter_date()
Returns the Unix timestamp for midnight on Easter of a specified year
cal_info()
Returns information about a given calendar
extract()
Imports variables into the current symbol table from an array
getdate()
Returns an array that contains date and time information for a Unix timestamp
JDMonthName()
Returns a month name
date_sunrise()
Returns the time of sunrise for a given day / location
JDDayOfWeek()
Returns the day of a week
reset()
Sets the internal pointer of an array to its first element
JewishToJD()
Converts a Jewish date to a Julian day count
unixtojd()
Converts a Unix timestamp to a Julian day count
sizeof()
Alias of count()
date()
Formats a local time/date
list()
Assigns variables as if they were an array
sort()
Sorts an array
jdtojewish()
Converts a Julian day count to a Jewish date
shuffle()
Shuffles an array
key()
Fetches a key from an array
GregorianToJD()
Converts a Gregorian date to a Julian day count
end()
Sets the internal pointer of an array to its last element
checkdate()
Validates a Gregorian date
in_array()
Checks if a specified value exists in an array
ksort()
Sorts an array by key
cal_to_jd()
Converts a date to Julian day count
JDToFrench()
Converts a Julian day count to a French Republican date
cal_from_jd()
Converts a Julian day count into a date of a specified calendar
date_default_timezone_get()
Returns the default time zone
krsort()
Sorts an array by key in reverse order
JulianToJD()
Converts a Julian date to a Julian day count
rsort()
Sorts an array in reverse order
jdtounix()
Converts a Julian day count to a Unix timestamp
JDToGregorian()
Converts a Julian day count to a Gregorian date
uksort()
Sorts an array by keys using a user-defined function
current()
Returns the current element in an array
pos()
Alias of current()
gettimeofday()
Returns an array that contains current time information
usort()
Sorts an array by values using a user-defined function
cal_days_in_month()
Returns the number of days in a month for a specified year and calendar
each()
Returns the current key and value pair from an array
JDToJulian()
Converts a Julian day count to a Julian date
uasort()
Sorts an array with a user-defined function and maintain index association
Section 3
(50 cards)
chgrp()
Changes the file group
localtime()
Returns an array that contains the time components of a Unix timestamp
file()
Reads a file into an array
user_error()
Alias of trigger_error()
scandir()
Lists files and directories inside a specified path
strftime()
Formats a local time/date according to locale settings
feof()
Tests for end-of-file on an open file
chown()
Changes the file owner
dir()
Opens a directory handle and returns an object
fgetss()
Returns a line, with HTML and PHP tags removed, from an open file
fclose()
Closes an open file
gmstrftime()
Formats a GMT/UTC time/date according to locale settings
debug_backtrace()
Generates a backtrace
readdir()
Returns an entry from a directory handle
basename()
Returns the filename component of a path
error_reporting()
Specifies which errors are reported
set_error_handler()
Sets a user-defined function to handle errors
fgetcsv()
Parses a line from an open file, checking for CSV fields
chroot()
Changes the root directory of the current process
time()
Returns the current time as a Unix timestamp
fgetc()
Returns a character from an open file
gmdate()
Formats a GMT/UTC date/time
fgets()
Returns a line from an open file
fflush()
Flushes buffered output to an open file
opendir()
Opens a directory handle
trigger_error()
Creates a user-defined error message
microtime()
Returns the microseconds for the current time
strtotime()
Parses an English textual date or time into a Unix timestamp
closedir()
Closes a directory handle
disk_total_space()
Returns the total size of a directory
strptime()
Parses a time/date generated with strftime()
rewinddir()
Resets a directory handle
mktime()
Returns the Unix timestamp for a date
gmmktime()
Returns the Unix timestamp for a GMT date
restore_exception_handler()
Restores the previous exception handler
set_exception_handler()
Sets a user-defined function to handle exceptions
debug_print_backtrace()
Prints a backtrace
getcwd()
Returns the current directory
copy()
Copies a file
diskfreespace()
Alias of disk_free_space()
chdir()
Changes the current directory
error_log()
Sends an error to the server error-log, to a file or to a remote destination
error_get_last()
Gets the last error occurred
clearstatcache()
Clears the file status cache
chmod()
Changes the file mode
delete()
See unlink() or unset()
dirname()
Returns the directory name component of a path
idate()
Formats a local time/date as integer
restore_error_handler()
Restores the previous error handler
disk_free_space()
Returns the free space of a directory
Section 4
(50 cards)
fseek()
Seeks in an open file
rewind()
Rewinds a file pointer
realpath()
Returns the absolute pathname
readlink()
Returns the target of a symbolic link
linkinfo()
Returns information about a hard link
filemtime()
Returns the last modification time of a file
is_executable()
Checks whether a file is executable
is_file()
Checks whether a file is a regular file
move_uploaded_file()
Moves an uploaded file to a new location
pclose()
Closes a pipe opened by popen()
fwrite()
Writes to an open file
link()
Creates a hard link
filegroup()
Returns the group ID of a file
ftell()
Returns the current position in an open file
fputs()
Alias of fwrite()
flock()
Locks or releases a file
file_put_contents
Writes a string to a file
fstat()
Returns information about an open file
file_get_contents()
Reads a file into a string
glob()
Returns an array of filenames / directories matching a specified pattern
fread()
Reads from an open file
fputcsv()
Formats a line as CSV and writes it to an open file
fileperms()
Returns the permissions of a file
fileowner()
Returns the user ID (owner) of a file
fopen()
Opens a file or URL
is_dir()
Checks whether a file is a directory
ftruncate()
Truncates an open file to a specified length
rename()
Renames a file or directory
file_exists()
Checks whether or not a file or directory exists
is_writable()
Checks whether a file is writeable
mkdir()
Creates a directory
parse_ini_file()
Parses a configuration file
fileatime()
Returns the last access time of a file
is_readable()
Checks whether a file is readable
pathinfo()
Returns information about a file path
set_file_buffer()
Sets the buffer size of an open file
filectime()
Returns the last change time of a file
fpassthru()
Reads from an open file, until EOF, and writes the result to the output buffer
fnmatch()
Matches a filename or string against a specified pattern
fileinode()
Returns the inode number of a file
is_uploaded_file()
Checks whether a file was uploaded via HTTP POST
is_link()
Checks whether a file is a link
is_writeable()
Alias of is_writable()
rmdir()
Removes an empty directory
lstat()
Returns information about a file or symbolic link
popen()
Opens a pipe
fscanf()
Parses input from an open file according to a specified format
filesize()
Returns the file size
filetype()
Returns the file type
readfile()
Reads a file and writes it to the output buffer
Section 5
(50 cards)
ftp_mkdir()
Creates a new directory on the FTP server
FILTER_SANITIZE_STRING
Strip tags, optionally strip or encode special characters
ftp_get()
Downloads a file from the FTP server
FILTER_SANITIZE_NUMBER_FLOAT
Remove all characters, except digits, +- and optionally .,eE
ftp_cdup()
Changes the current directory to the parent directory on the FTP server
FILTER_SANITIZE_NUMBER_INT
Remove all characters, except digits and +-
ftp_get_option()
Returns runtime behaviors of the FTP connection
ftp_fput()
Uploads from an open file and saves it to a file on the FTP server
ftp_alloc()
Allocates space for a file to be uploaded to the FTP server
ftp_close()
Closes an FTP connection
FILTER_VALIDATE_IP
Validate value as IP address, optionally only IPv or IPv6 or not from private or reserved ranges
filter_var_array()
Get multiple variables and filter them
FILTER_SANITIZE_EMAIL
Remove all characters, except letters, digits and !#$%&'*+-/=?^_`{|}~@.[]
FILTER_VALIDATE_INT
Validate value as integer, optionally from the specified range
FILTER_UNSAFE_RAW
Do nothing, optionally strip or encode special characters
FILTER_VALIDATE_REGEXP
Validate value against regexp, a Perl-compatible regular expression
FILTER_SANITIZE_MAGIC_QUOTES
Apply addslashes()
ftp_chmod()
Sets permissions on a file via FTP
ftp_fget()
Downloads a file from the FTP server and saves it to an open file
FILTER_SANITIZE_URL
Remove all characters, except letters, digits and $-_.+!*'(),{}|\\^~[]`<>#%";/?:@&=
unlink()
Deletes a file
FILTER_VALIDATE_BOOLEAN
Return TRUE for "1", "true", "on" and "yes", FALSE for "0", "false", "off", "no", and "", NULL otherwise
ftp_nb_fput()
Uploads from an open file and saves it to a file on the FTP server (non-blocking)
ftp_exec()
Executes a program/command on the FTP server
symlink()
Creates a symbolic link
FILTER_SANITIZE_ENCODED
URL-encode string, optionally strip or encode special characters
ftp_mdtm()
Returns the last modified time of a specified file
FILTER_VALIDATE_FLOAT
Validate value as float
ftp_chdir()
Changes the current directory on the FTP server
ftp_connect()
Opens an FTP connection
tempnam()
Creates a unique temporary file
ftp_delete()
Deletes a file on the FTP server
filter_has_var()
Checks if a variable of a specified input type exist
tmpfile()
Creates a unique temporary file
ftp_nb_continue()
Continues retrieving/sending a file (non-blocking)
ftp_nb_fget()
Downloads a file from the FTP server and saves it to an open file (non-blocking)
FILTER_VALIDATE_URL
Validate value as URL, optionally with required components
filter_list()
Returns an array of all supported filters
FILTER_CALLBACK
Call a user-defined function to filter data
filter_id()
Returns the ID number of a specified filter
filter_var()
Get a variable and filter it
FILTER_SANITIZE_STRIPPED
Alias of "string" filter
filter_input()
Get input from outside the script and filter it
FILTER_VALIDATE_EMAIL
Validate value as e-mail
filter_input_array()
Get multiple inputs from outside the script and filters them
umask()
Changes file permissions for files
stat()
Returns information about a file
ftp_login()
Logs on to an FTP connection
touch()
Sets access and modification time of a file
FILTER_SANITIZE_SPECIAL_CHARS
HTML-escape '"<>& and characters with ASCII value less than 2
Section 6
(50 cards)
ftp_pasv()
Turns passive mode on or off
ftp_nlist()
Lists the files in a specified directory on the FTP server
getrandmax()
Returns the maximum random number that can be returned by a call to the rand() function
base_convert()
Converts a number from one base to another
dechex()
Converts a decimal number to a hexadecimal number
header()
Sends a raw HTTP header to a client
floor()
Returns the value of a number rounded downwards to the nearest integer
fmod()
Returns the remainder (modulo) of the division of the arguments
acosh()
Returns the inverse hyperbolic cosine of a number
lcg_value()
Returns a pseudo random number in the range of (0,1)
is_finite()
Returns true if a value is a finite number
ftp_nb_get()
Downloads a file from the FTP server (non-blocking)
hexdec()
Converts a hexadecimal number to a decimal number
ftp_rename()
Renames a file or directory on the FTP server
setrawcookie()
Sends an HTTP cookie without URL encoding the cookie value
headers_sent()
Checks if / where the HTTP headers have been sent
ftp_rmdir()
Removes a directory on the FTP server
abs()
Returns the absolute value of a number
bindec()
Converts a binary number to a decimal number
ftp_size()
Returns the size of the specified file
decoct()
Converts a decimal number to an octal number
mail()
Allows you to send emails directly from a script
cos()
Returns the cosine of a number
ftp_nb_put()
Uploads a file to the FTP server (non-blocking)
hypot()
Returns the length of the hypotenuse of a right-angle triangle
ftp_set_option()
Sets runtime options for the FTP connection
expm1()
Returns the value of Ex - 1
ftp_raw()
Sends a raw command to the FTP server
ceil()
Returns the value of a number rounded upwards to the nearest integer
ftp_put()
Uploads a file to the FTP server
ftp_ssl_connect()
Opens a secure SSL-FTP connection
decbin()
Converts a decimal number to a binary number
is_nan()
Returns true if a value is not a number
exp()
Returns the value of Ex
is_infinite()
Returns true if a value is an infinite number
atanh()
Returns the inverse hyperbolic tangent of a number
acos()
Returns the arccosine of a number
cosh()
Returns the hyperbolic cosine of a number
setcookie()
Sends an HTTP cookie to a client
ftp_quit()
Alias of ftp_close()
ftp_systype()
Returns the system type identifier of the FTP server
deg2rad()
Converts a degree to a radian number
ftp_rawlist()
Returns a detailed list of files in the specified directory
atan()
Returns the arctangent of a number as a numeric value between -PI/2 and PI/2 radians
ftp_pwd()
Returns the current directory name
atan2()
Returns the angle theta of an (x,y) point as a numeric value between -PI and PI radians
asin()
Returns the arcsine of a number
ftp_site()
Sends a SITE command to the server
headers_list()
Returns a list of response headers sent (or ready to send)
asinh()
Returns the inverse hyperbolic sine of a number
Section 7
(50 cards)
unpack()
Unpacks data from a binary string
log()
Returns the natural logarithm (base E) of a number
define()
Defines a constant
constant()
Returns the value of a constant
addcslashes()
Returns a string with backslashes in front of the specified characters
bin2hex()
Converts a string of ASCII characters to hexadecimal values
log1p()
Returns log(1+number)
addslashes()
Returns a string with backslashes in front of predefined characters
round()
Rounds a number to the nearest integer
time_sleep_until()
Delays code execution until a specified time
rad2deg()
Converts a radian number to a degree
sqrt()
Returns the square root of a number
get_browser()
Returns the capabilities of the user's browser
highlight_file()
Outputs a file with the PHP syntax highlighted
mt_srand()
Seeds the Mersenne Twister random number generator
uniqid()
Generates a unique ID
eval()
Evaluates a string as PHP code
mt_rand()
Returns a random integer using Mersenne Twister algorithm
php_check_syntax()
Deprecated in PHP .0.
time_nanosleep()
Delays code execution for a number of seconds and nanoseconds
srand()
Seeds the random number generator
highlight_string()
Outputs a string with the PHP syntax highlighted
pow()
Returns the value of x to the power of y
chunk_split()
Splits a string into a series of smaller parts
sleep()
Delays code execution for a number of seconds
rand()
Returns a random integer
connection_aborted()
Checks whether the client has disconnected
pi()
Returns the value of PI
max()
Returns the number with the highest value of two specified numbers
defined()
Checks whether a constant exists
chr()
Returns a character from a specified ASCII value
sin()
Returns the sine of a number
ignore_user_abort()
Sets whether a remote client can abort the running of a script
sinh()
Returns the hyperbolic sine of a number
tanh()
Returns the hyperbolic tangent of an angle
php_strip_whitespace()
Returns the source code of a file with PHP comments and whitespace removed
usleep()
Delays code execution for a number of microseconds
connection_timeout()
Deprecated in PHP .0.
exit()
Prints a message and exits the current script
mt_getrandmax()
Returns the largest possible value that can be returned by mt_rand()
tan()
Returns the tangent of an angle
connection_status()
Returns the current connection status
die()
Prints a message and exits the current script
octdec()
Converts an octal number to a decimal number
convert_cyr_string()
Converts a string from one Cyrillic character-set to another
chop()
Alias of rtrim()
pack()
Packs data into a binary string
log10()
Returns the base-10 logarithm of a number
min()
Returns the number with the lowest value of two specified numbers
show_source()
Alias of highlight_file()
Section 8
(50 cards)
soundex()
Calculates the soundex key of a string
localeconv()
Returns locale numeric and monetary formatting information
quotemeta()
Quotes meta characters
fprintf()
Writes a formatted string to a specified output stream
str_word_count()
Count the number of words in a string
htmlspecialchars_decode()
Converts some predefined HTML entities to characters
str_split()
Splits a string into an array
printf()
Outputs a formatted string
convert_uuencode()
Encodes a string using the uuencode algorithm
money_format()
Returns a string formatted as a currency string
setlocale()
Sets locale information
str_ireplace()
Replaces some characters in a string (case-insensitive)
str_shuffle()
Randomly shuffles all characters in a string
sha1()
Calculates the SHA-1 hash of a string
number_format()
Formats a number with grouped thousands
crc2()
Calculates a 2-bit CRC for a string
nl2br()
Inserts HTML line breaks in front of each newline in a string
hebrev()
Converts Hebrew text to visual text
similar_text()
Calculates the similarity between two strings
quoted_printable_decode()
Decodes a quoted-printable string
ord()
Returns the ASCII value of the first character of a string
str_replace()
Replaces some characters in a string (case-sensitive)
md_file()
Calculates the MD hash of a file
hebrevc()
Converts Hebrew text to visual text and new lines (
) into <br />
str_rot1()
Performs the ROT1 encoding on a string
str_pad()
Pads a string to a new length
htmlentities()
Converts characters to HTML entities
levenshtein()
Returns the Levenshtein distance between two strings
ltrim()
Strips whitespace from the left side of a string
print()
Outputs a string
parse_str()
Parses a query string into variables
crypt()
One-way string encryption (hashing)
rtrim()
Strips whitespace from the right side of a string
sprintf()
Writes a formatted string to a variable
md()
Calculates the MD hash of a string
html_entity_decode()
Converts HTML entities to characters
metaphone()
Calculates the metaphone key of a string
str_repeat()
Repeats a string a specified number of times
htmlspecialchars()
Converts some predefined characters to HTML entities
sscanf()
Parses input from a string according to a format
implode()
Returns a string from the elements of an array
join()
Alias of implode()
count_chars()
Returns how many times an ASCII character occurs within a string and returns the information
strcasecmp()
Compares two strings (case-insensitive)
echo()
Outputs strings
convert_uudecode()
Decodes a uuencoded string
explode()
Breaks a string into an array
nl_langinfo()
Returns specific local information
sha1_file()
Calculates the SHA-1 hash of a file
get_html_translation_table()
Returns the translation table used by htmlspecialchars() and htmlentities()
Section 9
(47 cards)