wisecrab

/***********************************************
	Gradients
***********************************************/
@mixin gradient($from, $to) {
  background: -webkit-gradient(linear, left top, left bottom, from($from), to($to));
  background: -moz-linear-gradient(top,  $from, $to);
  filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#{$from}', endColorstr='#{$to}');
}

//Usage

wisecrab

<?php 

function seoFriendly($string, $separator) {

  //Only accept dashes or underscores
  if( $separator == "-" || $separator == "_" )  {
    $separator = $separator;
  } else {
    $separator = "-";
  }

wisecrab

/*****************************************************
    *** Get all taxonomy terms for a post   ***
*****************************************************/
get_the_term_list( $post->ID, 'taxonomy_name' ); //Returns links
get_the_term_list( $post->ID, 'taxonomy_name', '', ', ', '' ); //Returns links separated by commas
strip_tags(get_the_term_list( $post->ID, 'taxonomy_name' )); //Returns text


/*****************************************************
    *** Get custom fields for a post  ***

wisecrab

<?php

function splitStringByWords($x, $string) {
  //Convert the string
  $converted_string = explode( "\n", wordwrap( $string, $x));
  //Return the array of split strings
  return $converted_string;
}

//Number of characters the split will occur after

wisecrab

<?php
/***********************************************************************************
These are examples and references for the WooCommerce Order Item meta data hooks 
that is displayed in the admin side of WordPress when viewing a customer's order.
***********************************************************************************/

//Do Something before the order item's meta data
do_action( 'woocommerce_before_order_itemmeta', $item_id, $item, $_product );

//Do Something after the order item's meta data

wisecrab

//echo the current filename
echo basename(__FILE__);

//echo current filename without extension
echo basename(__FILE__, '.php');

//Echo the current URL
echo "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";

wisecrab

<?php
/*

The functions below will work in wordpress 4.4 and greater.
These functions allow you to add, get, and update meta data for terms/taxonomies.

*/

/*
*** Add Meta Data To A Term

wisecrab

<?php
function prepare_url($string) {

  //Check if the string starts with http or https
  if (substr($string, 0, 7) == "http://" OR substr($string, 0, 8) == "https://") {
    $url = $string;
    
  } else {
    //Remove any presence of http:// or https:// from the link
    $string = str_replace("://", "", $string);

wisecrab

<?php

function checkForRedirects($URL) {
  $ch = curl_init($URL);
  
  curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
  
  curl_exec($ch);
  $original_status_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  

wisecrab

//Check if packages are installed
dpkg --get-selections | grep [package_name]

//Show a list of files and directories in the current directory.
ls

//Show file permissions 
ls -l /avr/www/html/index.php

//Edit a file