PHP Functions

PHP Functions [101]

• A
• addcslashes - Quote string with slashes in a C style
• addslashes - Quote string with slashes
• array_change_key_case - Changes the case of all keys in an array
• array_chunk - Split an array into chunks
• B
• bin2hex - Convert binary data into hexadecimal representation
• C
• chop - Alias of rtrim()
• chr - Return a specific character
• chunk_split - Split a string into smaller chunks
• convert_cyr_string - Convert from one Cyrillic character set to another
• convert_uudecode - Decode a uuencoded string
• convert_uuencode - Uuencode a string
• count_chars - Return information about characters used in a string
• crc32 - Calculates the crc32 polynomial of a string
• crypt - One-way string hashing
• E
• echo - Output one or more strings
• explode - Split a string by string
• G
• get_html_translation_table - Returns the translation table used by htmlspecialchars() and htmlentities()
• H
• hebrev - Convert logical Hebrew text to visual text
• hebrevc - Convert logical Hebrew text to visual text with newline conversion
• hex2bin - Decodes a hexadecimally encoded binary string
• html_entity_decode - Convert all HTML entities to their applicable characters
• htmlentities - Convert all applicable characters to HTML entities
• htmlspecialchars - Convert special characters to HTML entities
• htmlspecialchars_decode - Convert special HTML entities back to characters
• I
• implode - Join array elements with a string
• J
• join - Alias of implode()
• L
• lcfirst - Make a string's first character lowercase
• levenshtein - Calculate Levenshtein distance between two strings
• localeconv - Get numeric formatting information
• ltrim - Strip whitespace (or other characters) from the beginning of a string
• M
• mb_convert_case - Perform case folding on a string
• mb_strtolower - Make a string lowercase
• mb_strtoupper - Make a string uppercase
• md5 - Calculate the md5 hash of a string
• md5_file - Calculates the md5 hash of a given file
• metaphone - Calculate the metaphone key of a string
• money_format - Formats a number as a currency string
• N
• nl_langinfo - Query language and locale information
• nl2br - Inserts HTML line breaks before all newlines in a string
• number_format - Format a number with grouped thousands
• O
• ord - Return ASCII value of character
• P
• parse_str - Parses the string into variables
• print - Output a string
• printf - Output a formatted string
• Q
• quoted_printable_decode - Convert a quoted-printable string to an 8 bit string
• quoted_printable_encode - Convert a 8 bit string to a quoted-printable string
• quotemeta - Quote meta characters
• R
• rtrim - Strip whitespace (or other characters) from the end of a string
• S
• sha1 - Calculate the sha1 hash of a string
• sha1_file - Calculate the sha1 hash of a file
• 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_getcsv - Parse a CSV string into an 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
• str_rot13 - Perform the rot13 transform on a string
• str_shuffle - Randomly shuffles a string
• str_split - Convert a string to an array
• 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 not matching mask
• 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
• 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
• strrpos - Find the position of the last occurrence of a substring in a string
• strspn - Finds the length of the initial segment of a string consisting entirely of characters contained within a given mask
• strstr - Find the first occurrence of a string
• strtok - Tokenize string
• strtolower - Make a string lowercase
• strtoupper - Make a string uppercase
• strtr - Translate characters or replace substrings
• substr - Return part of a string
• substr_compare - Binary safe comparison of two strings from an offset, up to length characters
• substr_count - Count the number of substring occurrences
• substr_replace - Replace text within a portion of a string
• T
• trim - Strip whitespace (or other characters) from the beginning and end of a string
• U
• ucfirst - Make a string's first character uppercase
• ucwords - Uppercase the first character of each word in a string
• V
• vfprintf - Write a formatted string to a stream
• vprintf - Output a formatted string
• vsprintf - Return a formatted string
• W
• wordwrap - Wraps a string to a given number of characters