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categories
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| fx() name |
description |
escaping |
output format |
encryption |
formatting |
output
|
addcslashes() |
Quote string with slashes in a C style |
Y |
string
|
addslashes() |
Quote string with slashes |
Y |
string
|
chop() |
alias of rtrim()
|
chunk_split() |
like str_split(), but returns a string with separators inserted (not an array of chunks) |
|
string
|
count_chars() |
Return information about characters used in a string. |
|
int
|
crc32() |
Calculate the crc32 polynomial of a string. |
|
int |
Y
|
crypt() |
one-way string hashing |
|
|
Y
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escapeshellarg() |
Escape a string to be used as a shell argument |
Y.
|
escapeshellcmd() |
Escape any execution-invoking characters. |
Y
|
explode() |
Split a string by a string. (See also: preg_split()) |
|
array
|
fprintf() |
Write a formatted string to a stream. |
|
|
Y |
|
stream
|
localeconv() |
Get numeric formatting information.
|
ltrim() |
Strip whitespace (or other characters) from the beginning of a string.
|
md5_file() |
Calculate the md5 hash of a given file.
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md5() |
Calculate the md5 hash of a string.
|
money_format() |
Format a number as a currency string.
|
nl2br() |
Insert HTML line breaks before all newlines in a string.
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number_format() |
Format a number with grouped thousands.
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ord() |
Convert the first byte (character) of a string to its character code (a value between 0 and 255). |
|
int
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parse_str() |
Treating the string as the ?query from a URL, parses it into an array of name-value pairs |
|
array (ref)
|
preg_split() |
Split a string by a regex. (See also: explode()) |
|
array/false
|
print() |
Display a string on the console.
|
printf() |
Output a formatted string
|
quoted_printable_decode() |
Convert a quoted-printable string to an 8 bit string.
|
quoted_printable_encode() |
Convert an 8-bit string to a quoted-printable string.
|
quotemeta() |
Quote meta characters.
|
rtrim() |
Strip whitespace (or other characters) from the end of a string.
|
setlocale() |
Set locale information.
|
sha1_file() |
Calculate the SHA-1 hash of a file.
|
sha1() |
Calculate the SHA-1 hash of a string.
|
similar_text() |
Calculate the similarity between two strings
|
soundex() |
Calculate the soundex key of a string
|
sprintf() |
Return a formatted string
|
sscanf() |
Parses input from a string according to a format
|
str_contains() |
Determine if a string contains a given substring
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str_ends_with() |
Checks if a string ends with a given substring
|
str_getcsv() |
Parse a CSV string into an array (signifier-characters are settable). |
Y |
array
|
str_ireplace() |
case-insensitive version of str_replace()
|
str_pad() |
Pad a string to a certain length with another string
|
str_repeat() |
Repeat a string
|
str_replace() |
Replace all occurrences of the search string with the replacement string (case-insensitive version: str_ireplace()).
|
str_rot13() |
Perform the rot13 transform on a string.
|
str_shuffle() |
Randomly shuffle a string.
|
str_split() |
Convert a string to an array of (mostly-)equal-sized chunks. |
|
array
|
str_starts_with() |
Checks if a string starts with a given substring
|
str_word_count() |
Return information about words used in a string.
|
strcasecmp() |
Binary safe case-insensitive string comparison
|
strchr() |
alias of strstr
|
strcmp() |
binary-safe string comparison
|
strcoll() |
locale-based string comparison
|
strcspn() |
Find length of initial segment that does not match a mask (opposite of strspn()).
|
strip_tags() |
Strip HTML and PHP tags from a string.
|
stripcslashes() |
Un-quote string quoted with addcslashes()
|
stripos() |
Find the position of the first occurrence of a case-insensitive substring in a string.
|
stripslashes() |
Un-quotes a quoted string
|
stristr() |
Case-insensitive strstr()
|
strlen() |
Get string length. |
|
int
|
strnatcasecmp() |
case-insensitive string comparisons using a "natural order" algorithm
|
strnatcmp() |
string comparisons using a "natural order" algorithm
|
strncasecmp() |
binary-safe case-insensitive string comparison of the first n characters
|
strncmp() |
binary-safe string comparison of the first n characters
|
strpbrk() |
Search a string for any of a set of characters.
|
strpos() |
Find the position of the first occurrence of a substring in a string.
|
strrchr() |
Find the last occurrence of a character in a string.
|
strrev() |
Reverse a string.
|
strripos() |
Find the position of the last occurrence of a case-insensitive substring in a string.
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strrpos() |
Find the position of the last occurrence of a substring in a string.
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strspn() |
Finds the length of the initial segment of a string consisting entirely of characters contained within a given mask (opposite of strcspn()).
|
strstr() |
Find the first occurrence of a string in another string.
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strtok() |
Tokenize string
|
strtolower() |
Make a string lowercase.
|
strtoupper() |
Make a string uppercase.
|
strtr() |
Translate characters or replace substrings
|
substr_compare() |
Binary safe comparison of two strings from an offset, up to length characters
|
substr_count() |
Count the number of substring occurrences
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substr_replace() |
Replace text within a portion of a string
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substr() |
Return part of a string
|
trim() |
Strip whitespace (or other characters) from the beginning and end of a string
|
ucfirst() |
Make a string's first character uppercase
|
ucwords() |
Uppercase the first character of each word in a string
|
utf8_decode() |
Converts a string from UTF-8 to ISO-8859-1, replacing invalid or unrepresentable characters
|
utf8_encode() |
Converts a string from ISO-8859-1 to UTF-8
|
vfprintf() |
Write a formatted string to a stream.
|
vprintf() |
Output a formatted string
|
vsprintf() |
Return a formatted string
|
wordwrap() |
Wrap a string to a given number of characters.
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