Zeichenketten
If you want to indent a block of text with $level tabs, you can use
function str_indent($level, $text) {
return str_repeat("\t", $level).str_replace("\n", "\n".str_repeat("\t", $level), $text);
}
String-Funktionen
Siehe auch
Schauen Sie sich die POSIX-Funktionen und die Perl-kompatiblen Funktionen für reguläre Ausdrücke an, wenn Sie noch mächtigere Funktionen zur String-Verarbeitung nutzen möchten.
Inhaltsverzeichnis
- addcslashes — Stellt bestimmten Zeichen eines Strings ein "\" voran (wie in C)
- addslashes — Stellt bestimmten Zeichen eines Strings ein "\" voran
- bin2hex — Wandelt Binär-Daten in ihre hexadezimale Entsprechung um
- chop — Alias von rtrim
- chr — Gibt ein einzelnes Zeichen zurück
- chunk_split — Zerlegt einen String in Teile gleicher Länge
- convert_cyr_string — Konvertiert Strings von einem kyrillischen Zeichensatz in einen anderen
- convert_uudecode — Dekodiert eine uukodierte Zeichenkette
- convert_uuencode — UU-kodiert eine Zeichenkette
- count_chars — Gibt Informationen über die in einem String enthaltenen Zeichen zurück
- crc32 — Berechnet den polynomischen CRC32-Wert eines Strings
- crypt — Einweg-String-Verschlüsselung (Hashbildung)
- echo — Gibt einen oder mehrere Strings aus
- explode — Teilt einen String anhand einer Zeichenkette
- fprintf — Schreibt einen formatierten String in einen Stream
- get_html_translation_table — Gibt die Umwandlungs-Tabelle zurück, die von htmlspecialchars und htmlentities verwendet wird
- hebrev — Konvertiert logischen hebräischen Text in sichtbaren Text
- hebrevc — Konvertiert (natürlichen) hebräischen Text in sichtbaren Text inkl. Anpassung von Zeilenumbrüchen
- html_entity_decode — Konvertiert alle benannten HTML-Zeichen in ihre entsprechenden Ursprungszeichen
- htmlentities — Wandelt alle geeigneten Zeichen in entsprechende HTML-Codes um
- htmlspecialchars_decode — Konvertiert besondere HTML-Auszeichnungen zurück in Buchstaben
- htmlspecialchars — Wandelt Sonderzeichen in HTML-Codes um
- implode — Verbindet Array-Elemente zu einem String
- join — Alias von implode
- lcfirst — Wandelt den ersten Buchstaben eines Strings in einen Kleinbuchstaben um
- levenshtein — Berechnet die Levenshtein-Distanz zwischen zwei Strings
- localeconv — Ermittelt die Formatierungsinformationen für Zahlen
- ltrim — Entfernt Leerraum (oder andere Zeichen) vom Anfang eines Strings
- md5_file — Berechnet den MD5-Code einer Datei
- md5 — Errechnet den MD5-Hash eines Strings
- metaphone — Berechnet den Metaphone-Schlüssel eines Strings
- money_format — Formats a number as a currency string
- nl_langinfo — Query-Language und Locale Information
- nl2br — Fügt vor allen Zeilenumbrüchen eines Strings HTML-Zeilenumbrüche ein
- number_format — Formatiert eine Zahl mit Tausender-Gruppierung
- ord — Gibt den ASCII-Wert eines Zeichens zurück
- parse_str — Überträgt einen String in Variable
- print — Ausgabe eines Strings
- printf — Gibt einen formatierten String aus
- quoted_printable_decode — Konvertiert einen "quoted-printable"-String in einen 8-Bit-String
- quotemeta — Quoten von Meta-Zeichen
- rtrim — Entfernt Leerraum (oder andere Zeichen) vom Ende eines Strings
- setlocale — Setzt Locale Informationen
- sha1_file — Berechnet den SHA1-Hash einer Datei
- sha1 — Berechnet den SHA1-Hash eines Strings
- similar_text — Berechnet die Ähnlichkeit zweier Zeichenketten
- soundex — Berechnet die Laut-Ähnlichkeit eines Strings
- sprintf — Gibt einen formatierten String zurück
- sscanf — Überträgt einen String in ein angegebenes Format
- str_getcsv — Parst einen CSV-String in ein Array
- str_ireplace — Groß- und kleinschreibungsunabhängige Version von str_replace
- str_pad — Erweitert einen String unter Verwendung eines anderen Strings auf eine bestimmte Länge
- str_repeat — Wiederholt einen String
- str_replace — Ersetzt alle Vorkommen des Suchstrings durch einen anderen String
- str_rot13 — Führt die ROT13-Transformation auf einen String aus
- str_shuffle — Mischt einen String nach dem Zufallsprinzip
- str_split — Konvertiert einen String in ein Array
- str_word_count — Gibt Informationen über in einem String verwendete Worte zurück
- strcasecmp — Vergleich von Zeichenketten ohne Unterscheidung der Groß- und Kleinschreibung (Binary safe)
- strchr — Alias von strstr
- strcmp — Vergleich zweier Strings (Binary safe)
- strcoll — Locale-basierter Zeichenkettenvergleich
- strcspn — Ermittelt die Anzahl der nicht übereinstimmenden Zeichen
- strip_tags — Entfernt HTML- und PHP-Tags aus einem String
- stripcslashes — Entfernt Quotes aus mit addcslashes behandelten Strings
- stripos — Findet das erste Vorkommen eines Strings, unabhängig von Groß- und Kleinschreibung
- stripslashes — Entfernt Quotes aus einem mittels addslashes gequoteten String
- stristr — Wie strstr, aber ohne Rücksicht auf Groß- bzw. Kleinschreibung
- strlen — Ermitteln der String-Länge
- strnatcasecmp — String-Vergleich "natürlicher Ordnung" ohne Unterscheidung der Schreibweise
- strnatcmp — String-Vergleich unter Verwendung einer "natürlichen Ordnung"
- strncasecmp — Binärdaten-sicherer und groß- und kleinschreibungs-unabhängiger Stringvergleich der ersten n Zeichen
- strncmp — String-Vergleich der ersten n Zeichen (Binary safe)
- strpbrk — Durchsucht einen String nach einem Zeichen aus einer Gruppe von Zeichen
- strpos — Sucht das erste Vorkommen des Suchstrings
- strrchr — Sucht das letzte Vorkommen eines Zeichens in einem String
- strrev — Kehrt einen String um
- strripos — Findet das letzte Vorkommen der gesuchten Zeichenkette in einem String, unabhängig von Groß- und Kleinschreibung
- strrpos — Findet das letzte Vorkommen eines Zeichens innerhalb einer Zeichenkette
- strspn — Ermittelt die Länge der übereinstimmenden Zeichen
- strstr — Findet das erste Vorkommen eines Strings
- strtok — Zerlegt einen String
- strtolower — Setzt einen String in Kleinbuchstaben um
- strtoupper — Wandelt alle Zeichen eines Strings in Großbuchstaben um
- strtr — Tauscht bestimmte Zeichen aus
- substr_compare — Binärdaten-sicherer Vergleich zweier Strings, beginnend an einer bestimmten Position und endend nach einer festgelegten Länge
- substr_count — Ermittelt, wie oft eine Zeichenkette in einem String vorkommt
- substr_replace — Ersetzt Text innerhalb einer Zeichenkette
- substr — Gibt einen Teil eines Strings zurück
- trim — Entfernt Whitespaces (oder andere Zeichen) am Anfang und Ende eines Strings
- ucfirst — Verwandelt das erste Zeichen eines Strings in einen Großbuchstaben
- ucwords — Wandelt jeden ersten Buchstaben eines Wortes innerhalb eines Strings in einen Großbuchstaben
- vfprintf — Schreibt einen formatierten String in einen Stream
- vprintf — Gibt einen formatierten String zurück
- vsprintf — Gibt einen formatierten String zurück
- wordwrap — Bricht einen String nach einer bestimmten Anzahl Zeichen um
add a note
User Contributed NotesString-Funktionen
Salomon
28-Mar-2008 03:43
28-Mar-2008 03:43
Verdauga
19-Mar-2008 07:06
19-Mar-2008 07:06
Just a note in regards to bloopletech a few posts down:
The word "and" should not be used when converting numbers to text. "And" (at least in US English) should only be used to indicate the decimal place.
Example:
1,796,706 => one million, seven hundred ninety-six thousand, seven hundred six.
594,359.34 => five hundred ninety four thousand, three hundred fifty nine and thirty four hundredths
geek dot de at gmail dot com
07-Jan-2008 03:18
07-Jan-2008 03:18
This took me quite some time to figure out and it is so obvious. So, I hope it helps someone out there like it would have helped me if I would have found it on this page:
I wanted to read a binary file and write it out with some modified bytes with their hex values. The easiest way I could come up with was the following:
read the file line by line, e.g. 400 bytes and then chuck it into an array with e.g.
<?php
$handle = @fopen("/path/to/file.bin", "r");
if ($handle) {
while (!feof($handle)) {
$buffer[] = fgets($handle, 400);
}
fclose($handle);
$buffer[0][0] = chr(hexdec("FF")); // set the first byte to 0xFF
}
// write out the file from the array ...
?>
One could write a function for that, so that One can write a string of bytes. Don't have time for this now but you should get the idea.
m
26-Jul-2007 05:10
26-Jul-2007 05:10
Regarding the code for the function beginsWith($str, $sub), I found that it has problems when only one character is present after the string searched for. I found that this works better instead:
<?php
function beginsWith($str, $sub) {
return (strncmp($str, $sub, strlen($sub)) == 0);
}
?>
Moe
10-Jul-2007 06:44
10-Jul-2007 06:44
In responce to mike here is a better random string function
<?php
function random_string($max = 20){
$chars = "abcdefghijklmnopqrstuvwxwz0123456789_";
for($i = 0; $i < $max; $i++){
$rand_key = mt_rand(0, strlen($chars));
$string .= substr($chars, $rand_key, 1);
}
return str_shuffle($string);
}
?>
mike "eyes" moe
17-Jun-2007 05:59
17-Jun-2007 05:59
Here is a truly random string generator it uses the most common string functions it will work on anywhere.
<?php
function random_string($max = 20){
$chars = explode(" ", "a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9");
for($i = 0; $i < $max; $i++){
$rnd = array_rand($chars);
$rtn .= base64_encode(md5($chars[$rnd]));
}
return substr(str_shuffle(strtolower($rtn)), 0, $max);
}
?>
bloopletech at gmail dot com
22-May-2007 06:05
22-May-2007 06:05
[Editor's Note: Remember that number names are locale-specific. Thus in the US 1,000,000,000 is called a billion, while in other countries this might be different (ie. miljard in Dutch). This function provides support only for the US locale]
If you want to convert a number, (int or float) to full spoken text, then you can use my num2text converter, at http://bloople.net/num2text
Examples:
40000 => forty thousand
1,796,706 => one million, seven hundred and ninety-six thousand, seven hundred and six.
If works for positive an negative integers/floats/doubles. The code is only a page long, and you don't have to install any modules or anything.
I hope this comes in handy for somebody!
benjamin at webbutvecklarna dot se
25-Mar-2007 05:23
25-Mar-2007 05:23
An update to admin at fivestarbuy dot com's StrParse. Since php5.2.x the occurance of an object in the vardata will cause a "Catchable fatal error". Previously it has failed silently, so I added nullification of present objects.
I also updated comments to be more specific, I hope that's ok with you, admin at fivestarbuy dot com:
<?php
function StrParse($str,$vardata) {
# Variables present in $str is replaced by values of variables in $vardata
# typical use:
# $vardata = get_defined_vars();
# $str = some template code with variables present.
# uncomment the echo line to debug.
$getvarkeys=array_keys($vardata);
$ret=$str;
for ($x=0; $x < count($getvarkeys); $x++) {
$myvar=$getvarkeys[$x];
if(is_object($vardata[$myvar])) $vardata[$myvar] = null;
#echo "Variable: " . $myvar . " [" . $vardata[$myvar] . "]<br>";
$ret=str_replace('$' . $myvar, $vardata[$myvar], $ret);
}
return $ret;
}
?>
beggining pro
02-Aug-2006 11:00
02-Aug-2006 11:00
Well for you egold users out ther I wrote this to just return the balance ONLY
If anyone knows a better way to write this lemme know as im a novice
function _GetBalance($from, $frompass) {
$defined_vars = get_defined_vars();
$_url = 'https://www.e-gold.com/acct/balance.asp';
$_url_p = "AccountID=" . $from . "&PassPhrase=" . $frompass ."";
$ch = curl_init();
curl_setopt($ch, CURLOPT_POST,1);
curl_setopt($ch, CURLOPT_POSTFIELDS,$_url_p);
curl_setopt($ch, CURLOPT_URL,$_url);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
curl_setopt($ch, CURLOPT_USERAGENT, $defined_vars['HTTP_USER_AGENT']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
$content = curl_exec ($ch);
curl_close ($ch);
$content=strtolower($content);
$content=strstr($content,"</select></font></th></form></tr>");
$content=strip_tags($content);
$content=strrev($content);
$content=strstr($content,"eseht :eton");
$content=str_replace("eseht :eton","",$content);
$content=ltrim($content);
$content=rtrim($content);
$content=substr($content,0,11);
$content=strrev($content);
$content=ltrim($content);
return $content;
}
admin at rotarymulundeast dot org
30-Jul-2006 03:16
30-Jul-2006 03:16
Here's an easier way to find nth...
function nth($numbex){
if ($numbex%10 == 1 && $numbex%100 != 11) $sth='st';
elseif ($numbex%10 == 2 && $numbex%100 != 12) $sth='nd';
elseif ($numbex%10 == 3 && $numbex%100 != 13) $sth='rd';
else $sth = 'th';
return $sth;
}
there is is no need to check if the user has entered a non-integer as we may be using this function for expressing variables as well eg. ith value of x , nth root of z ,etc...
heavyraptor
27-Jul-2006 08:17
27-Jul-2006 08:17
I think that
administrador(ensaimada)sphoera(punt)com's function is
too complicated. It's easier with regular expressions.
So I made this function, it isn't really the same,
it's even better because it returns an array with all the
matches found
If there are no matches, false is returned.
<?php
// bool/array str_between( string str, string
start_str, string end_str )
function str_between($str,$start,$end) {
if (preg_match_all('/' . preg_quote($start) . '(.*?)' . preg_quote($end) . '/',$str,$matches)) {
return $matches[1];
}
// no matches
return false;
}
?>
Enjoy
da (dot) blayde (a t) gmail (dot) com
19-Jul-2006 10:52
19-Jul-2006 10:52
Sometimes when converting integers to strings, it looks better to have the number spelled out. I wrote this function that converts integers from -999 to 999 into spelled out strings:
function int2str($int=0){
$doOnes=true;
$neg=$int<0?true:false;
$int=abs(round($int));
$str='';
switch(strlen($int)){
case 1:$int='0'.$int;
case 2:$int='0'.$int;
case 3:$int.='';break;
default:return $int;
}
switch($int{0}){
case 1:$str.='one-hundred-';break;
case 2:$str.='two-hundred-';break;
case 3:$str.='three-hundred-';break;
case 4:$str.='four-hundred-';break;
case 5:$str.='five-hundred-';break;
case 6:$str.='six-hundred-';break;
case 7:$str.='seven-hundred-';break;
case 8:$str.='eight-hundred-';break;
case 9:$str.='nine-hundred-';break;
}
switch($int{1}){
case 1:
switch($int{2}){
case 0:$str.='ten-';break;
case 1:$str.='eleven-';break;
case 2:$str.='twelve-';break;
case 3:$str.='thirteen-';break;
case 4:$str.='fourteen-';break;
case 5:$str.='fifteen-';break;
case 6:$str.='sixteen-';break;
case 7:$str.='seventeen-';break;
case 8:$str.='eighteen-';break;
case 9:$str.='nineteen-';break;
}
$doOnes=false;
break;
case 2:$str.='twenty-';break;
case 3:$str.='thirty-';break;
case 4:$str.='forty-';break;
case 5:$str.='fifty-';break;
case 6:$str.='sixty-';break;
case 7:$str.='seventy-';break;
case 8:$str.='eighty-';break;
case 9:$str.='ninety-';break;
}
if($doOnes){
switch($int{2}){
case 1:$str.='one-';break;
case 2:$str.='two-';break;
case 3:$str.='three-';break;
case 4:$str.='four-';break;
case 5:$str.='five-';break;
case 6:$str.='six-';break;
case 7:$str.='seven-';break;
case 8:$str.='eight-';break;
case 9:$str.='nine-';break;
}}
$str=substr($str,0,-1);
if($neg){
$str='negative '.$str;
}
if($int=='000'){
$str='zero';
}
return $str;
}
Hope this helps someone,
-Blayde
mickycole at hotmail dot com
19-Jul-2006 12:01
19-Jul-2006 12:01
In responce to James Baker's sencence case function.
Great function however i would make one slight variation being that it doesn't take into account the fact that a capital is required after a new paragraph so i modified it to check for /r and /n as follows:
<?PHP
/*/ Author : James Baker /*/
function sentenceCase($s){
$str = strtolower($s);
$cap = true;
for($x = 0; $x < strlen($str); $x++){
$letter = substr($str, $x, 1);
if($letter == "." || $letter == "!" || $letter == "?" || $letter == "\n" || $letter == "\r"){
$cap = true;
}elseif($letter != " " && $cap == true){
$letter = strtoupper($letter);
$cap = false;
}
$ret .= $letter;
}
return $ret;
}
?>
administrador(ensaimada)sphoera(punt)com
02-Mar-2006 06:10
02-Mar-2006 06:10
I've prepared this simple function to obtain a string delimited between tags (not only XML tags!). Anybody needs something like this?.
<?php
function get_string_between($string, $start, $end){
$string = " ".$string;
$ini = strpos($string,$start);
if ($ini == 0) return "";
$ini += strlen($start);
$len = strpos($string,$end,$ini) - $ini;
return substr($string,$ini,$len);
}
$string = "this [custom] function is useless!!";
echo get_string_between($string,"[","]");
// must return "custom";
?>
more functions at http://www.sphoera.com
SteveRusin
24-Feb-2006 11:00
24-Feb-2006 11:00
The functions below:
function beginsWith( $str, $sub )
function endsWith( $str, $sub )
Are correct, but flawed. You'd need to use the === operator instead:
function beginsWith( $str, $sub ) {
return ( substr( $str, 0, strlen( $sub ) ) === $sub );
}
function endsWith( $str, $sub ) {
return ( substr( $str, strlen( $str ) - strlen( $sub ) ) === $sub );
}
Otherwise, endsWith would return "foobar.0" ends with ".0" as well as "0" or "00" or any amount of zeros because numerically .0 does equal 0.
navarr at gmail dot com
20-Dec-2005 06:24
20-Dec-2005 06:24
stripos for PHP4.x
<?php
function stripos($haystack,$needle) {
return strpos(strtoupper($haystack),strtoupper($needle));
}
?>
dkflbk at nm dot ru
11-Dec-2005 08:58
11-Dec-2005 08:58
I needed str2bin() function for one of my project, so if some one else is want to use it, have fun :)
<?php
/**
* Returns an ASCII string containing
* the binary representation of the input data .
**/
function str2bin($str, $mode=0) {
$out = false;
for($a=0; $a < strlen($str); $a++) {
$dec = ord(substr($str,$a,1));
$bin = '';
for($i=7; $i>=0; $i--) {
if ( $dec >= pow(2, $i) ) {
$bin .= "1";
$dec -= pow(2, $i);
} else {
$bin .= "0";
}
}
/* Default-mode */
if ( $mode == 0 ) $out .= $bin;
/* Human-mode (easy to read) */
if ( $mode == 1 ) $out .= $bin . " ";
/* Array-mode (easy to use) */
if ( $mode == 2 ) $out[$a] = $bin;
}
return $out;
}
?>
admin at fivestarbuy dot com
21-Oct-2005 09:18
21-Oct-2005 09:18
This example lets you parse an unparsed strings variables. Warning: This could cause security leaks if you allow users to pass $variables through this engine. I recommend only using this for your Content Management System.
<?
$mytime=time();
$mydog="My Dog Ate My PHP!";
# Your Parsing String:
$s1 = 'Hyphen Variable Preserving: $mytime, and $mydog';
echo "Before: <br><br>$s1<br><br>";
# Remember, wherever you define this, it will not be defined GLOBAL into the function
# which is why we define it here. Defining it global could lead to security issues.
$vardata=get_defined_vars();
# Parse the string
$s1 = StrParse($s1,$vardata);
echo "After: <br><br>$s1";
function StrParse($str,$vardata) {
# Takes a string, or piece of data, that contains PHP Variables
# For example, unparsed variables like: Test using time: $mytime
# This example shows $mytime, and not the actual variable value.
# The end result shows the actual variable value of $mytime.
# This is useful for building a content management system,
# and directing your variables into your content data,
# where content is stored in a file or database, unparsed.
# Of course this could slow down page loads, but it's a good way
# to parse data from current variables into your loaded new data
# making it compatible.
# Then the variables are replaced with the actual variable..
$getvarkeys=array_keys($vardata);
$ret=$str;
for ($x=0; $x < count($getvarkeys); $x++) {
$myvar=$getvarkeys[$x];
#echo "Variable: " . $myvar . " [" . $vardata[$myvar] . "]<br>";
$ret=str_replace('$' . $myvar, $vardata[$myvar], $ret);
}
return $ret;
}
?>
17-Oct-2005 03:27
to: james dot d dot baker at gmail dot com
PHP has a builtin function for doing what your function does,
http://php.net/ucfirst
http://php.net/ucwords
14-Oct-2005 08:24
Updated; used to test for input as an array, should have been a string, added some validation of the input while I was at it. Enjoy.
<?php
/*---------- Directory Tree to Array ----------//
Takes base directory, returns an associative array
containing each directory name as an associative key
and each file as an indexed entry in the appropriate
directory.
If no path is provided, it uses the current directory
If $style == 1, it will return a sorted, non-associative
array
By Peter Dolan
www.peterd.net
Updated 2005-10-12
Use it as much as you like for whatever
For my own entertainment, please let me know if you do
//-----------------------------------------------------------*/
function dirTreeToArray( $path = "./", $style="0" ) {
if ( !is_string($path) or !($style==0 or $style==1) ) die("Improper arguments in function dirTreeToArray(string \$path, \$style = {0, 1})");
else {
$path = trim($path);
$path = str_replace("\\", "/", $path);
if( '/' == $path{strlen($path)-1} || '\'' == $path{strlen($path)-1} ) $path = substr($path, 0, strlen($path)-1);
}
$tree = array();
$arrayPointer = & $tree;
if ( $handle = opendir($path) ) {
while ( $fileName = readdir($handle) ) {
if ( $fileName != "." and $fileName != ".." ) {
$newPath = "$path/$fileName"; // Used for testing directory or file property
if ( is_dir($newPath) ) {
$dummyPointer = & $arrayPointer; // Save the current pointer
if ( $style == 0 ) $arrayPointer = & $arrayPointer[$fileName]; // Drop the pointer into a subdirectory
elseif ( $style == 1 ) $arrayPointer = & $arrayPointer[]; // Drop the pointer into a subdirectory
$arrayPointer = dirTreeToArray($newPath, $style); // Process the new subdirectory
if ( $style == 1 ) sort($arrayPointer); // Sort it if we're in a non-associative mode
$arrayPointer = & $dummyPointer; // Bring the pointer back up a level
}
elseif ( is_file($newPath) ) $arrayPointer[] = $fileName; // Enter the files
}
}
return $tree;
}
else die("Failed to open directory $path in function dirTreeToArray(string \$path, \$style = {0, 1})");
}
?>
tim_meredith at s4s dot org
13-Oct-2005 01:32
13-Oct-2005 01:32
--Convert MSWord Quotes--
Use this before any conversion to HTML entities or characters to clean up a form entry cut and pasted from MSWord.
function fixword($scratch)
{
$start=chr(226).chr(128);
$word=array();$fixword=array();
$word[]=$start.chr(152);$fixword[]="'";
$word[]=$start.chr(153);$fixword[]="'";
$word[]=$start.chr(156);$fixword[]="\"";
$word[]=$start.chr(157);$fixword[]="\"";
return str_replace($word, $fixword, $scratch);
}
webmaster at cafe-clope dot net
13-Aug-2005 04:40
13-Aug-2005 04:40
A comprehensive concatenation function, that works with array and strings
<?php
function str_cat() {
$args = func_get_args() ;
// Asserts that every array given as argument is $dim-size.
// Keys in arrays are stripped off.
// If no array is found, $dim stays unset.
foreach($args as $key => $arg) {
if(is_array($arg)) {
if(!isset($dim))
$dim = count($arg) ;
elseif($dim != count($arg))
return FALSE ;
$args[$key] = array_values($arg) ;
}
}
// Concatenation
if(isset($dim)) {
$result = array() ;
for($i=0;$i<$dim;$i++) {
$result[$i] = '' ;
foreach($args as $arg)
$result[$i] .= ( is_array($arg) ? $arg[$i] : $arg ) ;
}
return $result ;
} else {
return implode($args) ;
}
}
?>
A simple example :
<?php
str_cat(array(1,2,3), '-', array('foo' => 'foo', 'bar' => 'bar', 'noop' => 'noop')) ;
?>
will return :
Array (
[0] => 1-foo
[1] => 2-bar
[2] => 3-noop
)
More usefull :
<?php
$myget = $_GET ; // retrieving previous $_GET values
$myget['foo'] = 'b a r' ; // changing one value
$myget = str_cat(array_keys($myget), '=', array_map('rawurlencode', array_values($myget))) ;
$querystring = implode(ini_get('arg_separator.output'), $myget)) ;
?>
will return a valid querystring with some values changed.
Note that <?php str_cat('foo', '&', 'bar') ; ?> will return 'foo&bar', while <?php str_cat(array('foo'), '&', 'bar') ; ?> will return array(0 => foo&bar)
t0russ at gmail dot com
14-Jun-2005 10:38
14-Jun-2005 10:38
to kristin at greenaple dot on dot ca:
thanx for sharing.
your function in recursive form proved to be slightly faster and it returns false (as it should) when the character is not found instead of number 0:
<?php
function strnposr($haystack, $needle, $occurance, $pos = 0) {
return ($occurance<2)?strpos($haystack, $needle, $pos):strnposr($haystack,$needle,$occurance-1,strpos($haystack, $needle, $pos) + 1);
}
?>
rh at richardhoward dot net
05-Jun-2005 11:41
05-Jun-2005 11:41
<?php
/**
Utility class: static methods for cleaning & escaping untrusted (i.e.
user-supplied) strings.
Any string can (usually) be thought of as being in one of these 'modes':
pure = what the user actually typed / what you want to see on the page /
what is actually stored in the DB
gpc = incoming GET, POST or COOKIE data
sql = escaped for passing safely to RDBMS via SQL (also, data from DB
queries and file reads if you have magic_quotes_runtime on--which
is rare)
html = safe for html display (htmlentities applied)
Always knowing what mode your string is in--using these methods to
convert between modes--will prevent SQL injection and cross-site scripting.
This class refers to its own namespace (so it can work in PHP 4--there is no
self keyword until PHP 5). Do not change the name of the class w/o changing
all the internal references.
Example usage: a POST value that you want to query with:
$username = Str::gpc2sql($_POST['username']);
*/
//This sets SQL escaping to use slashes; for Sybase(/MSSQL)-style escaping
// ( ' --> '' ), set to true.
define('STR_SYBASE', false);
class Str {
function gpc2sql($gpc, $maxLength = false)
{
return Str::pure2sql(Str::gpc2pure($gpc), $maxLength);
}
function gpc2html($gpc, $maxLength = false)
{
return Str::pure2html(Str::gpc2pure($gpc), $maxLength);
}
function gpc2pure($gpc)
{
if (ini_get('magic_quotes_sybase'))
$pure = str_replace("''", "'", $gpc);
else $pure = get_magic_quotes_gpc() ? stripslashes($gpc) : $gpc;
return $pure;
}
function html2pure($html)
{
return html_entity_decode($html);
}
function html2sql($html, $maxLength = false)
{
return Str::pure2sql(Str::html2pure($html), $maxLength);
}
function pure2html($pure, $maxLength = false)
{
return $maxLength ? htmlentities(substr($pure, 0, $maxLength))
: htmlentities($pure);
}
function pure2sql($pure, $maxLength = false)
{
if ($maxLength) $pure = substr($pure, 0, $maxLength);
return (STR_SYBASE)
? str_replace("'", "''", $pure)
: addslashes($pure);
}
function sql2html($sql, $maxLength = false)
{
$pure = Str::sql2pure($sql);
if ($maxLength) $pure = substr($pure, 0, $maxLength);
return Str::pure2html($pure);
}
function sql2pure($sql)
{
return (STR_SYBASE)
? str_replace("''", "'", $sql)
: stripslashes($sql);
}
}
?>
james dot d dot baker at gmail dot com
27-May-2005 10:45
27-May-2005 10:45
<?php
/*
Written By James Baker, May 27th 2005
sentenceCase($string);
$string: The string to convert to sentence case.
Converts a string into proper sentence case (First letter of each sentance capital, all the others smaller)
Example Usage:
echo sentenceCase("HELLO WORLD!!! THIS IS A CAPITALISED SENTENCE. this isn't.");
Returns:
Hello world!!! This is a capitalised sentence. This isn't.
*/
function sentenceCase($s){
$str = strtolower($s);
$cap = true;
for($x = 0; $x < strlen($str); $x++){
$letter = substr($str, $x, 1);
if($letter == "." || $letter == "!" || $letter == "?"){
$cap = true;
}elseif($letter != " " && $cap == true){
$letter = strtoupper($letter);
$cap = false;
}
$ret .= $letter;
}
return $ret;
}
?>
php at moechofe dot com
26-Apr-2005 06:34
26-Apr-2005 06:34
<?php
/*
* str_match
*
* return a string with only cacacteres defined in a expression return false if the expression is not valid
*
* @param $str string the string
* @param $match the expression based on the class definition off a PCRE regular expression.
* the '[', ']', '\' and '^' at class start need to be escaped.
* like : -a-z0-9_@.
*/
function str_match( $str, $match )
{
$return = '';
if( eregi( '(.*)', $match, $class ) )
{
$match = '['.$regs[1].']';
for( $i=0; $i<strlen($str); $i++ )
if( ereg( '['.$class[1].']', $str[$i] ) )
$return .= $str{$i};
return $return;
}
else return false;
}
/*
* example
* accept only alphanum caracteres from the GET/POST parameters 'a'
*/
if( ! empty($_REQUEST['a']) )
$_REQUEST['a'] = str_match( $_REQUEST['a'], 'a-zA-Z0-9' );
else
$_REQUEST['a'] = 'default';
?>
Pommef
19-Mar-2005 01:15
19-Mar-2005 01:15
Example: Give me everything up to the fourth occurance of '/'.
<?php
$haystack = "/home/username/www/index.php";
$needle = "/";
function strnpos($haystack, $needle, $occurance, $pos = 0) {
$res = implode($needle,$haystack);
$res = array_slice($res, $pos, $occurance);
return explode ($needle,$res);
}
?>
kristin at greenapple dot on dot ca
02-Jan-2005 08:32
02-Jan-2005 08:32
I really searched for a function that would do this as I've seen it in other languages but I couldn't find it here. This is particularily useful when combined with substr() to take the first part of a string up to a certain point.
strnpos() - Find the nth position of needle in haystack.
<?php
function strnpos($haystack, $needle, $occurance, $pos = 0) {
for ($i = 1; $i <= $occurance; $i++) {
$pos = strpos($haystack, $needle, $pos) + 1;
}
return $pos - 1;
}
?>
Example: Give me everything up to the fourth occurance of '/'.
<?php
$haystack = "/home/username/www/index.php";
$needle = "/";
$root_dir = substr($haystack, 0, strnpos($haystack, $needle, 4));
echo $root_dir;
?>
Returns: /home/username/www
Use this example with the server variable $_SERVER['SCRIPT_NAME'] as the haystack and you can self-discover a document's root directory for the purposes of locating global files automatically!
20-Dec-2004 08:31
In response to hackajar <matt> yahoo <trot> com,
No string-to-array function exists because it is not needed. If you reference a string with an offset like you do with an array, the character at that offset will be return. This is documented in section III.11's "Strings" article under the "String access and modification by character" heading.
andy a t onesandzeros d o t biz
09-Nov-2004 02:54
09-Nov-2004 02:54
I use these little doo-dads quite a bit. I just thought I'd share them and maybe save someone a little time. No biggy. :)
// returns true if $str begins with $sub
function beginsWith( $str, $sub ) {
return ( substr( $str, 0, strlen( $sub ) ) == $sub );
}
// return tru if $str ends with $sub
function endsWith( $str, $sub ) {
return ( substr( $str, strlen( $str ) - strlen( $sub ) ) == $sub );
}
// trims off x chars from the front of a string
// or the matching string in $off is trimmed off
function trimOffFront( $off, $str ) {
if( is_numeric( $off ) )
return substr( $str, $off );
else
return substr( $str, strlen( $off ) );
}
// trims off x chars from the end of a string
// or the matching string in $off is trimmed off
function trimOffEnd( $off, $str ) {
if( is_numeric( $off ) )
return substr( $str, 0, strlen( $str ) - $off );
else
return substr( $str, 0, strlen( $str ) - strlen( $off ) );
}
[tab!]
27-Oct-2004 12:29
27-Oct-2004 12:29
//
// string strtrmvistl( string str, [int maxlen = 64],
// [bool right_justify = false],
// [string delimter = "<br>\n"])
//
// splits a long string into two chunks (a start and an end chunk)
// of a given maximum length and seperates them by a given delimeter.
// a second chunk can be right-justified within maxlen.
// may be used to 'spread' a string over two lines.
//
function strtrmvistl($str, $maxlen = 64, $right_justify = false, $delimter = "<br>\n") {
if(($len = strlen($str = chop($str))) > ($maxlen = max($maxlen, 12))) {
$newstr = substr($str, 0, $maxlen - 3);
if($len > ($maxlen - 3)) {
$endlen = min(($len - strlen($newstr)), $maxlen - 3);
$newstr .= "..." . $delimter;
if($right_justify)
$newstr .= str_pad('', $maxlen - $endlen - 3, ' ');
$newstr .= "..." . substr($str, $len - $endlen);
}
return($newstr);
}
return($str);
}
terry dot greenlaw at logicalshift dot com
11-Aug-2004 10:52
11-Aug-2004 10:52
Here's a simpler "simplest" way to toggle through a set of 1..n colors for web backgrounds:
<?php
$colours = array('#000000', '#808080', '#A0A0A0', '#FFFFFF');
// Get a colour
$color = next($colors) or $color = reset($colors);
?>
The code doesn't need to know anything about the number of elements being cycled through. That way you won't have to tracking down all the code when changing the number of colors or the color values.