php_ref_string.asp

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    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_join.asp">join()</a></td>
    <td valign="top">Alias of implode()</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_levenshtein.asp">levenshtein()</a></td>
    <td valign="top">Returns the Levenshtein distance between two strings</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_localeconv.asp">localeconv()</a></td>
    <td valign="top">Returns locale numeric and monetary formatting information</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_ltrim.asp">ltrim()</a></td>
    <td valign="top">Strips whitespace from the left side of a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_md5.asp">md5()</a></td>
    <td valign="top">Calculates the MD5 hash of a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_md5_file.asp">md5_file()</a></td>
    <td valign="top">Calculates the MD5 hash of a file</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_metaphone.asp">metaphone()</a></td>
    <td valign="top">Calculates the metaphone key of a string</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_money_format.asp">money_format()</a></td>
    <td valign="top">Returns a string formatted as a currency string</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_nl_langinfo.asp">nl_langinfo()</a></td>
    <td valign="top">Returns specific local information</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_nl2br.asp">nl2br()</a></td>
    <td valign="top">Inserts HTML line breaks in front 
of each newline in a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_number_format.asp">number_format()</a></td>
    <td valign="top">Formats a number with grouped thousands</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_ord.asp">ord()</a></td>
    <td valign="top">Returns the ASCII value of the first character of a string</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_string_parse_str.asp">parse_str()</a></td>
    <td valign="top">Parses a query string into variables</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_print.asp">print()</a></td>
    <td valign="top">Outputs a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_printf.asp">printf()</a></td>
    <td valign="top">Outputs a formatted string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_quoted_printable_decode.asp">quoted_printable_decode()</a></td>
    <td valign="top">Decodes a quoted-printable string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_quotemeta.asp">quotemeta()</a></td>
    <td valign="top">Quotes meta characters</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_rtrim.asp">rtrim()</a></td>
    <td valign="top">Strips whitespace from the right side of a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_setlocale.asp">setlocale()</a></td>
    <td valign="top">Sets locale information</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_sha1.asp">sha1()</a></td>
    <td valign="top">Calculates the SHA-1 hash of a string</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_sha1_file.asp">sha1_file()</a></td>
    <td valign="top">Calculates the SHA-1 hash of a file</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_similar_text.asp">similar_text()</a></td>
    <td valign="top">Calculates the similarity between two strings</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_soundex.asp">soundex()</a></td>
    <td valign="top">Calculates the soundex key of a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_sprintf.asp">sprintf()</a></td>
    <td valign="top">Writes a formatted string to a variable</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_sscanf.asp">sscanf()</a></td>
    <td valign="top">Parses input from a string according to a format</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_ireplace.asp">str_ireplace()</a></td>
    <td valign="top">Replaces some characters in a 
	string (case-insensitive)</td>
    <td valign="top">5</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_pad.asp">str_pad()</a></td>
    <td valign="top">Pads a string to a new length</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_repeat.asp">str_repeat()</a></td>
    <td valign="top">Repeats a string a specified number of times</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_replace.asp">str_replace()</a></td>
    <td valign="top">Replaces some characters in a 
	string (case-sensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_rot13.asp">str_rot13()</a></td>
    <td valign="top">Performs the ROT13 encoding on a string</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_shuffle.asp">str_shuffle()</a></td>
    <td valign="top">Randomly shuffles all characters in a string</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_split.asp">str_split()</a></td>
    <td valign="top">Splits a string into an array</td>
    <td valign="top">5</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_str_word_count.asp">str_word_count()</a></td>
    <td valign="top">Count the number of words in a string</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strcasecmp.asp">strcasecmp()</a></td>
    <td valign="top">Compares two strings (case-insensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strchr.asp">strchr()</a></td>
    <td valign="top">Finds the first occurrence of a string inside another 
	string (alias of strstr())</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strcmp.asp">strcmp()</a></td>
    <td valign="top">Compares two strings (case-sensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strcoll.asp">strcoll()</a></td>
    <td valign="top">Locale based string comparison</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strcspn.asp">strcspn()</a></td>
    <td valign="top">Returns the number of characters found in a string before 
	any part of some specified characters are found</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strip_tags.asp">strip_tags()</a></td>
    <td valign="top">Strips HTML and PHP tags from a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_stripcslashes.asp">stripcslashes()</a></td>
    <td valign="top">Unquotes a string quoted with addcslashes()</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_stripslashes.asp">stripslashes()</a></td>
    <td valign="top">Unquotes a string quoted with addslashes()</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_stripos.asp">stripos()</a></td>
    <td valign="top">Returns the position of the first occurrence of a string 
	inside another string (case-insensitive)</td>
    <td valign="top">5</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_stristr.asp">stristr()</a></td>
    <td valign="top">Finds the first occurrence of a string inside another 
	string (case-insensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strlen.asp">strlen()</a></td>
    <td valign="top">Returns the length of a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strnatcasecmp.asp">strnatcasecmp()</a></td>
    <td valign="top">Compares two strings using a &quot;natural order&quot; 
	algorithm (case-insensitive)</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strnatcmp.asp">strnatcmp()</a></td>
    <td valign="top">Compares two strings using a &quot;natural order&quot; 
	algorithm (case-sensitive)</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strncasecmp.asp">strncasecmp()</a></td>
    <td valign="top">String comparison of the first 
	n characters (case-insensitive)</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strncmp.asp">strncmp()</a></td>
    <td valign="top">String comparison of the first 
	n characters (case-sensitive)</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strpbrk.asp">strpbrk()</a></td>
    <td valign="top">Searches a string for any of a set of characters</td>
    <td valign="top">5</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strpos.asp">strpos()</a></td>
    <td valign="top">Returns the position of the first occurrence of a string 
	inside another string (case-sensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strrchr.asp">strrchr()</a></td>
    <td valign="top">Finds the last occurrence of a string inside another 
	string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strrev.asp">strrev()</a></td>
    <td valign="top">Reverses a string</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strripos.asp">strripos()</a></td>
    <td valign="top">Finds the position of the last occurrence of a 
	string inside another string (case-insensitive)</td>
    <td valign="top">5</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strrpos.asp">strrpos()</a></td>
    <td valign="top">Finds the position of the last occurrence of a 
	string inside another string (case-sensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strspn.asp">strspn()</a></td>
    <td valign="top">Returns the number of characters found in a string that 
	contains only characters from a specified charlist</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strstr.asp">strstr()</a></td>
    <td valign="top">Finds the first occurrence of a string inside another 
	string (case-sensitive)</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strtok.asp">strtok()</a></td>
    <td valign="top">Splits a string into smaller strings</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_string_strtolower.asp">strtolower()</a></td>
    <td valign="top">Converts a string to lowercase letters</td>