/**
 * Function to get the exact domain name
 * @example: given http://www.example.com/dir1/file.php , returns www.example.com
/**/
function getDomain($url){
	$domainName = explode("/",$url);
	if(isset($domainName[2])) return $domainName[2];
	else return NULL;
}#end getDomain

php

1

Extract domain name from a full url

/**
 * Function to get the exact domain name
 * @example: given http://www.example.com/dir1/file.php , returns www.example.com
/**/
function getDomain($url){
	$domainName = explode("/",$url);
	if(isset($domainName[2])) return $domainName[2];
	else return NULL;
}#end getDomain

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• domain name, 
• php, 
• url extract

/**
 * Friendly print_r version
 **/
function print_arr($variabile, $text='', $return=FALSE){
  if($text<>'') $text=" $text=";
  $type=gettype($variabile);
  switch($type){
      case "array":
      case "object":
          #$out="<p><pre>$text".var_export($variabile,TRUE)."</pre></p>";
          $out="<p><pre>$text".print_r($variabile,TRUE)."</pre></p>";
          break;
      case "NULL":
          $str="<p>NULL</p>";
      case "string":
      default:
          if(!isset($str)) $str=strval($variabile);
         $out="<p><pre>#".$type."[".strlen($str)."]:$text".($str)."</pre></p>";
          break;
  }
  if(!$return) echo $out;
  else return $out;
}#end print_arr

php

1

A Friendly print_r version

/**
 * Friendly print_r version
 **/
function print_arr($variabile, $text='', $return=FALSE){
  if($text<>'') $text=" $text=";
  $type=gettype($variabile);
  switch($type){
      case "array":
      case "object":
          #$out="<p><pre>$text".var_export($variabile,TRUE)."</pre></p>";
          $out="<p><pre>$text".print_r($variabile,TRUE)."</pre></p>";
          break;
      case "NULL":
          $str="<p>NULL</p>";
      case "string":
      default:
          if(!isset($str)) $str=strval($variabile);
         $out="<p><pre>#".$type."[".strlen($str)."]:$text".($str)."</pre></p>";
          break;
  }
  if(!$return) echo $out;
  else return $out;
}#end print_arr

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• array, 
• debug, 
• php, 
• print, 
• print_r

/**
 * Function to generate a random numeric zero-padded string 
 * @param int $minChar Minimum character of the numer
 * @param int $maxChar Maximum character of the numer
 **/
function getRandom($minChar=5, $maxChar=9){
	$min=pow(10,$minChar-1);
	$max=pow(10,$maxChar)-1;
	list($usec, $sec) = explode(' ', microtime());
	srand((float) $sec + ((float) $usec * 100000));
	return str_pad(rand($min,$max),$maxChar,"0",STR_PAD_LEFT);
}#end getRandom

php

1

Generate a random numeric zero-padded string

/**
 * Function to generate a random numeric zero-padded string 
 * @param int $minChar Minimum character of the numer
 * @param int $maxChar Maximum character of the numer
 **/
function getRandom($minChar=5, $maxChar=9){
	$min=pow(10,$minChar-1);
	$max=pow(10,$maxChar)-1;
	list($usec, $sec) = explode(' ', microtime());
	srand((float) $sec + ((float) $usec * 100000));
	return str_pad(rand($min,$max),$maxChar,"0",STR_PAD_LEFT);
}#end getRandom

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• generator, 
• php, 
• random

AddType application/x-httpd-php .php .htm .html

text

1

php in html via .htaccess

AddType application/x-httpd-php .php .htm .html

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• htaccess, 
• html, 
• php

<?php bloginfo( 'template_directory' ); ?>

php

1

Get Template Directory

<?php bloginfo( 'template_directory' ); ?>

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• php, 
• template, 
• wordpress

<?php
   echo 'test';
?>

php

1

php

<?php
   echo 'test';
?>

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• php

<?php

// The data (could be from a query result)
$data = array(
  array(
    'name' => 'John'
    'age'  => 37
  ),
  array(
    'name' => 'Lucy',
    'age'  => 32
  ),
  array(
    'name' => 'Ben',
    'age'  => 42
  )
);

// sort a multi-dimensional array by a certain column
$name = $age = array();
foreach ($data as $key => $value)
{
  $name[$key] = $value['name'];
  $age[$key]  = $value['age'];
}


// Sort the array by age in ascending order
array_multisort($age, SORT_ASC, $data);

// Sort the array by name in descending order
array_multisort($name, SORT_DESC, $data);

unset($name, $age); // remember to remove the variables you won't be using later on

?>

php

1

Sort a multi-dimensional array by a certain column

<?php

// The data (could be from a query result)
$data = array(
  array(
    'name' => 'John'
    'age'  => 37
  ),
  array(
    'name' => 'Lucy',
    'age'  => 32
  ),
  array(
    'name' => 'Ben',
    'age'  => 42
  )
);

// sort a multi-dimensional array by a certain column
$name = $age = array();
foreach ($data as $key => $value)
{
  $name[$key] = $value['name'];
  $age[$key]  = $value['age'];
}


// Sort the array by age in ascending order
array_multisort($age, SORT_ASC, $data);

// Sort the array by name in descending order
array_multisort($name, SORT_DESC, $data);

unset($name, $age); // remember to remove the variables you won't be using later on

?>

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• array, 
• array_multisort, 
• multi-dimensional, 
• php

// PRINTS OUT PRINT_R REALLY PRETTY
function print_r_html ($arr) {
        ?><pre><?
        print_r($arr);
        ?></pre><?
}

php

1

Prints out print_r in a readable format

// PRINTS OUT PRINT_R REALLY PRETTY
function print_r_html ($arr) {
        ?><pre><?
        print_r($arr);
        ?></pre><?
}

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• function, 
• php

$docRoot = getenv("DOCUMENT_ROOT");
include $docRoot."/includes/config.php";

php

1

php get root dir

$docRoot = getenv("DOCUMENT_ROOT");
include $docRoot."/includes/config.php";

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• php, 
• root, 
• server

<?php comment_form(array('comment_notes_after' => '')); ?>

php

1

Getting rid of the 'allowed tags' in Wordpress comment forms.

<?php comment_form(array('comment_notes_after' => '')); ?>

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• php, 
• wordpress

<?php
function my_excerpt_length($text){
	return 10;
}
add_filter('excerpt_length', 'my_excerpt_length');

function new_excerpt_more($more) {
	return '...';
}
add_filter('excerpt_more', 'new_excerpt_more');
?>

php

1

Modify the_excerpt() output

<?php
function my_excerpt_length($text){
	return 10;
}
add_filter('excerpt_length', 'my_excerpt_length');

function new_excerpt_more($more) {
	return '...';
}
add_filter('excerpt_more', 'new_excerpt_more');
?>

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• php, 
• wordpress

<?php
/* decide what the content should be up here .... */
$content = get_content(); //generic function;

/* AJAX check  */
if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
	/* special ajax here */
	die($content);
}

/* not ajax, do more.... */
?>

php

1

Detect an AJAX Request in PHP

<?php
/* decide what the content should be up here .... */
$content = get_content(); //generic function;

/* AJAX check  */
if(!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {
	/* special ajax here */
	die($content);
}

/* not ajax, do more.... */
?>

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• ajax, 
• detect, 
• php

<?php $values = get_post_custom_values('image'); echo $values[0]; ?>

php

1

wordpress display custom value

<?php $values = get_post_custom_values('image'); echo $values[0]; ?>

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• php, 
• wordpress

// This:
<ol>
<?
	$dir = "files/*";  
	foreach(glob($dir) as $file)  
	{  
?> 
	<li><p><a href='<?=$file?>'><?=basename($file)?></a></p></li>
<?
	} 
?>
</ol>

// Instead of this oldtimer:
<ol>
<?
	function getMap($dir){
		if (is_dir($dir)){
			$file = opendir($dir);
			while (true == ($map = readdir($file))){
				if ($map!=".."&&$map!=".")
					$array[] = $map;
			}
			closedir($file);
			return $array;
		}
	}
	if (is_dir("files")){
	foreach ((array) getMap("files") as $key => $value) {
	?>
	<li><p><a href='files/<?=$value?>'><?=$value?></a></p></li>
	
<?
		}
	}
?>
</ol>

php

1

looping through a directory to get a linked list of files

// This:
<ol>
<?
	$dir = "files/*";  
	foreach(glob($dir) as $file)  
	{  
?> 
	<li><p><a href='<?=$file?>'><?=basename($file)?></a></p></li>
<?
	} 
?>
</ol>

// Instead of this oldtimer:
<ol>
<?
	function getMap($dir){
		if (is_dir($dir)){
			$file = opendir($dir);
			while (true == ($map = readdir($file))){
				if ($map!=".."&&$map!=".")
					$array[] = $map;
			}
			closedir($file);
			return $array;
		}
	}
	if (is_dir("files")){
	foreach ((array) getMap("files") as $key => $value) {
	?>
	<li><p><a href='files/<?=$value?>'><?=$value?></a></p></li>
	
<?
		}
	}
?>
</ol>

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• glob, 
• loop, 
• php

/*THE LOOP - START*/
<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>

/*THE LOOP - END*/
<?php endwhile; else: ?>
<p><?php _e('Sorry, no posts matched your criteria.'); ?></p>
<?php endif; ?>

php

1

worrdpress loop

/*THE LOOP - START*/
<?php if ( have_posts() ) : while ( have_posts() ) : the_post(); ?>

/*THE LOOP - END*/
<?php endwhile; else: ?>
<p><?php _e('Sorry, no posts matched your criteria.'); ?></p>
<?php endif; ?>

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• loop, 
• php, 
• wordpress

echo date_create($userDate)->setTimezone(new DateTimeZone($userTimezone))->format(‘Y-m-d H:i’);

php

1

PHP timezone conversion in one line

echo date_create($userDate)->setTimezone(new DateTimeZone($userTimezone))->format(‘Y-m-d H:i’);

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• conversion, 
• php, 
• time, 
• timezone

<ul>
<?php wp_list_pages('title_li='); ?>
</ul>

php

1

removes heading in list pages

<ul>
<?php wp_list_pages('title_li='); ?>
</ul>

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• list_pages, 
• php, 
• wordpress

<?php
function add_markup_pages($output) {
    $output= preg_replace('/page-item/', ' first-page-item page-item', $output, 1);
	$output=substr_replace($output, " last-page-item page-item", strripos($output, "page-item"), strlen("page-item"));
    return $output;
}
add_filter('wp_list_pages', 'add_markup_pages');

?>

php

1

adds first-page-item class to first item in list-pages

<?php
function add_markup_pages($output) {
    $output= preg_replace('/page-item/', ' first-page-item page-item', $output, 1);
	$output=substr_replace($output, " last-page-item page-item", strripos($output, "page-item"), strlen("page-item"));
    return $output;
}
add_filter('wp_list_pages', 'add_markup_pages');

?>

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• list_pages, 
• php, 
• wordpress

<?php
/**
 * Most machine names are generated as-you-type via Javascript helpers on the
 * client side. This helper function automates server-side conversions from
 * regular text strings into valid Drupal machine names.
 *
 * Machine names must contain only lowercase alpha-numerics and underscores. 
 * Non-alphanumeric characters are converted to underscores, and sequential 
 * underscore characters are trimmed to a single character.
 * 
 * Additionally, if the transliteration module is enabled, then it will be 
 * used to first convert non-ascii Unicode characters to standard Roman ASCII
 * characters on a best-effort basis, and replacing all unknown characters
 * with underscores.
 *
 * @param $text 
 *   A string of characters to be converted.
 *
 * @return
 *   A string containing the valid Drupal machine name for the specified text.
 *   Returns the empty string if invalid input was provided.
 *
 * @see
 *   See the transliteration module in the drupal contrib repository for more 
 *   information on non-ascii character transliterations.
 */
function drupal_get_machinename($text) {
  // Cache machine name conversions locally for performance boost.
  static $texts;
  
  // If the input string is not valid, return an empty string.
  if (empty($text) || !is_string($text)) {
    return '';
  }

  // Setup the local static variable cache if it doesnt exist.
  if (!is_array($texts)) {
    $texts = array();
  }

  // Save the machine name conversion to the static cache if it doesnt exist. 
  if (!isset($texts[$text])) {
    $out = $text;
    if (module_exists('transliteration')) {
      $out = transliteration_get($out, '_');
    }
    $out = strtolower($out);
    $out = preg_replace('/[^a-z0-9]/', '_', $out);
    $out = preg_replace('/_+/', '_', $out);
    $texts[$text] = $out;
  }
  return $texts[$text];
}

php

1

drupal_get_machinename

<?php
/**
 * Most machine names are generated as-you-type via Javascript helpers on the
 * client side. This helper function automates server-side conversions from
 * regular text strings into valid Drupal machine names.
 *
 * Machine names must contain only lowercase alpha-numerics and underscores. 
 * Non-alphanumeric characters are converted to underscores, and sequential 
 * underscore characters are trimmed to a single character.
 * 
 * Additionally, if the transliteration module is enabled, then it will be 
 * used to first convert non-ascii Unicode characters to standard Roman ASCII
 * characters on a best-effort basis, and replacing all unknown characters
 * with underscores.
 *
 * @param $text 
 *   A string of characters to be converted.
 *
 * @return
 *   A string containing the valid Drupal machine name for the specified text.
 *   Returns the empty string if invalid input was provided.
 *
 * @see
 *   See the transliteration module in the drupal contrib repository for more 
 *   information on non-ascii character transliterations.
 */
function drupal_get_machinename($text) {
  // Cache machine name conversions locally for performance boost.
  static $texts;
  
  // If the input string is not valid, return an empty string.
  if (empty($text) || !is_string($text)) {
    return '';
  }

  // Setup the local static variable cache if it doesnt exist.
  if (!is_array($texts)) {
    $texts = array();
  }

  // Save the machine name conversion to the static cache if it doesnt exist. 
  if (!isset($texts[$text])) {
    $out = $text;
    if (module_exists('transliteration')) {
      $out = transliteration_get($out, '_');
    }
    $out = strtolower($out);
    $out = preg_replace('/[^a-z0-9]/', '_', $out);
    $out = preg_replace('/_+/', '_', $out);
    $texts[$text] = $out;
  }
  return $texts[$text];
}

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• drupal, 
• php

<?
function mssql_real_escape_string($s) {
	if(get_magic_quotes_gpc()) {
		$s = stripslashes($s);
	}
	$s = str_replace("'","''",$s);
	return $s;
}
?>

php

1

Escape data for SQL Server: mssql_real_escape_string

<?
function mssql_real_escape_string($s) {
	if(get_magic_quotes_gpc()) {
		$s = stripslashes($s);
	}
	$s = str_replace("'","''",$s);
	return $s;
}
?>

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• escape sql, 
• mssql, 
• php, 
• sql server