Function | Description | PHP |
addcslashes() | Returns a string with backslashes in front of the specified characters | 4 |
addslashes() | Returns a string with backslashes in front of predefined characters | 3 |
bin2hex() | Converts a string of ASCII characters to hexadecimal values | 3 |
chop() | Alias of rtrim() | 3 |
chr() | Returns a character from a specified ASCII value | 3 |
chunk_split() | Splits a string into a series of smaller parts | 3 |
convert_cyr_string() | Converts a string from one Cyrillic character-set to another | 3 |
convert_uudecode() | Decodes a uuencoded string | 5 |
convert_uuencode() | Encodes a string using the uuencode algorithm | 5 |
count_chars() | Returns how many times an ASCII character occurs within a string and returns the information | 4 |
crc32() | Calculates a 32-bit CRC for a string | 4 |
crypt() | One-way string encryption (hashing) | 3 |
echo() | Outputs strings | 3 |
explode() | Breaks a string into an array | 3 |
fprintf() | Writes a formatted string to a specified output stream | 5 |
get_html_translation_table() | Returns the translation table used by htmlspecialchars() and htmlentities() | 4 |
hebrev() | Converts Hebrew text to visual text | 3 |
hebrevc() | Converts Hebrew text to visual text and new lines (\n) into <br /> | 3 |
html_entity_decode() | Converts HTML entities to characters | 4 |
htmlentities() | Converts characters to HTML entities | 3 |
htmlspecialchars_decode() | Converts some predefined HTML entities to characters | 5 |
htmlspecialchars() | Converts some predefined characters to HTML entities | 3 |
implode() | Returns a string from the elements of an array | 3 |
join() | Alias of implode() | 3 |
levenshtein() | Returns the Levenshtein distance between two strings | 3 |
localeconv() | Returns locale numeric and monetary formatting information | 4 |
ltrim() | Strips whitespace from the left side of a string | 3 |
md5() | Calculates the MD5 hash of a string | 3 |
md5_file() | Calculates the MD5 hash of a file | 4 |
metaphone() | Calculates the metaphone key of a string | 4 |
money_format() | Returns a string formatted as a currency string | 4 |
nl_langinfo() | Returns specific local information | 4 |
nl2br() | Inserts HTML line breaks in front of each newline in a string | 3 |
number_format() | Formats a number with grouped thousands | 3 |
ord() | Returns the ASCII value of the first character of a string | 3 |
parse_str() | Parses a query string into variables | 3 |
print() | Outputs a string | 3 |
printf() | Outputs a formatted string | 3 |
quoted_printable_decode() | Decodes a quoted-printable string | 3 |
quotemeta() | Quotes meta characters | 3 |
rtrim() | Strips whitespace from the right side of a string | 3 |
setlocale() | Sets locale information | 3 |
sha1() | Calculates the SHA-1 hash of a string | 4 |
sha1_file() | Calculates the SHA-1 hash of a file | 4 |
similar_text() | Calculates the similarity between two strings | 3 |
soundex() | Calculates the soundex key of a string | 3 |
sprintf() | Writes a formatted string to a variable | 3 |
sscanf() | Parses input from a string according to a format | 4 |
str_ireplace() | Replaces some characters in a string (case-insensitive) | 5 |
str_pad() | Pads a string to a new length | 4 |
str_repeat() | Repeats a string a specified number of times | 4 |
str_replace() | Replaces some characters in a string (case-sensitive) | 3 |
str_rot13() | Performs the ROT13 encoding on a string | 4 |
str_shuffle() | Randomly shuffles all characters in a string | 4 |
str_split() | Splits a string into an array | 5 |
str_word_count() | Count the number of words in a string | 4 |
strcasecmp() | Compares two strings (case-insensitive) | 3 |
strchr() | Finds the first occurrence of a string inside another string (alias of strstr()) | 3 |
strcmp() | Compares two strings (case-sensitive) | 3 |
strcoll() | Locale based string comparison | 4 |
strcspn() | Returns the number of characters found in a string before any part of some specified characters are found | 3 |
strip_tags() | Strips HTML and PHP tags from a string | 3 |
stripcslashes() | Unquotes a string quoted with addcslashes() | 4 |
stripslashes() | Unquotes a string quoted with addslashes() | 3 |
stripos() | Returns the position of the first occurrence of a string inside another string (case-insensitive) | 5 |
stristr() | Finds the first occurrence of a string inside another string (case-insensitive) | 3 |
strlen() | Returns the length of a string | 3 |
strnatcasecmp() | Compares two strings using a "natural order" algorithm (case-insensitive) | 4 |
strnatcmp() | Compares two strings using a "natural order" algorithm (case-sensitive) | 4 |
strncasecmp() | String comparison of the first n characters (case-insensitive) | 4 |
strncmp() | String comparison of the first n characters (case-sensitive) | 4 |
strpbrk() | Searches a string for any of a set of characters | 5 |
strpos() | Returns the position of the first occurrence of a string inside another string (case-sensitive) | 3 |
strrchr() | Finds the last occurrence of a string inside another string | 3 |
strrev() | Reverses a string | 3 |
strripos() | Finds the position of the last occurrence of a string inside another string (case-insensitive) | 5 |
strrpos() | Finds the position of the last occurrence of a string inside another string (case-sensitive) | 3 |
strspn() | Returns the number of characters found in a string that contains only characters from a specified charlist | 3 |
strstr() | Finds the first occurrence of a string inside another string (case-sensitive) | 3 |
strtok() | Splits a string into smaller strings | 3 |
strtolower() | Converts a string to lowercase letters | 3 |
strtoupper() | Converts a string to uppercase letters | 3 |
strtr() | Translates certain characters in a string | 3 |
substr() | Returns a part of a string | 3 |
substr_compare() | Compares two strings from a specified start position (binary safe and optionally case-sensitive) | 5 |
substr_count() | Counts the number of times a substring occurs in a string | 4 |
substr_replace() | Replaces a part of a string with another string | 4 |
trim() | Strips whitespace from both sides of a string | 3 |
ucfirst() | Converts the first character of a string to uppercase | 3 |
ucwords() | Converts the first character of each word in a string to uppercase | 3 |
vfprintf() | Writes a formatted string to a specified output stream | 5 |
vprintf() | Outputs a formatted string | 4 |
vsprintf() | Writes a formatted string to a variable | 4 |
wordwrap() | Wraps a string to a given number of characters | 4 |