tom--’s gists

tom-- / TernaryChain.php

Last active December 14, 2015 01:29

Chaining the PHP ternary

	<?php

	// Some people object to this use of the ternary. I think it's fine so long as each
	// condition-value pair fits nicely on one line. If so then the structure is highly
	// expressive. The value $var takes is very obvious. The logic that
	// this condition => that value, this condition => that value, etc. is plain to see.
	$var =
	condition1 ? 'value1' : (
	condition2 ? 'value2' : (
	condition3 ? 'value3' : (

tom-- / regex puzzle.md

Created November 12, 2012 22:22

string replacement

How to implement this substring replacement rule?

which would do, for example,

abc %x def      => abc # def
abc %%x def     => abc %x def
abc %%%x def    => abc %# def

abc %%%%x def => abc %%x def

tom-- / scratch.sh

Last active October 12, 2015 14:28

Script for safe editing of ipfw rules on FreeBSD using tmux

	#!/bin/sh

	# What it does:
	# - Start tmux
	# - Divide the term window into two panes:
	# * small lower pane that runs "sleep 60; sudo ipfw disable firewall",
	# * large upper pane with a shell in it.
	#
	# Do your dangerous IPFW work in the upper pane.
	# When done, switch to lower pane (Crtl-B, down arrow) and kill it with Ctrl-C

tom-- / jquery.editable.js

Created November 3, 2012 12:15

jquery plugin to make contenteditable text trigger a change event when it changes

	(function ($) {
	'use strict';
	/**
	* Makes contenteditable elements within a container generate change events.
	*
	* When you do, e.g. $obj.editable(), all the DOM elements with attribute contenteditable
	* that are children of the DOM element $obj will trigger a change event when their
	* contents is edited and changed.
	*
	* See: http://html5demos.com/contenteditable

tom-- / needOneOf.php

Created October 1, 2012 14:07

Yii model input validation. Checking that at least one of a given set of attributes is set.

	<?php

	public function rules() {
	return array(
	array('a', 'needOneOf', 'or' => array('b', 'c', 'd')),
	);
	}

	public function needOneOf($attr, $params) {
	array_unshift($params['or'], $attr);

tom-- / thepage.html

Created September 6, 2012 17:31

Unobtrusive ajax link

	<html>
	<head></head>
	<body>
	<p><a id="theajaxlink" href="xhrhandler.php?p=1&q=2">text</a></p>
	<script type="text/javascript">
	(function () {
	'use strict';
	var clickhandler = function (e) {
	var $that = $(this);
	e.preventDefault();

tom-- / main.php

Created August 30, 2012 16:03

CClientScript component config for a custom jquery.ui

	<?php

	...
	'clientScript' => array(
	'class' => 'CClientScript',
	'packages' => array(
	'jquery.ui' => array(
	'basePath' => 'ext.jquery-ui-custom',
	'js' => array(
	'js/jquery-ui-1.8.18.custom' . (YII_DEBUG ? '' : '.min') . '.js'

tom-- / slave_status.php

Created August 17, 2012 18:02

Test a MySQL replication slave's status

	#!/usr/local/bin/php
	<?php

	$error = false;
	$errno = 0;

	try {
	$db = new PDO('mysql:dbname=stations;host=localhost', 'root', 'password');
	$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
	/** @var $slave_status StdClass */

tom-- / PhpStorm indent test.php

Created August 9, 2012 12:58

PhpStorm Code: Reformat Code wierdness

	<?php

	// On my mac, cmd-opt-L reformats my php files according to the code style in effect.
	// The following is how PhpStorm auto-formats this statement.
	// What do I have to set in the code style so it comes out right?

	if (isset(
	$_SESSION['one'],
	$_SESSION['two'],
	$_SESSION['three'],

tom-- / recursive-ish regex.php

Created August 7, 2012 18:47

recursive matching braces to a limited depth

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