yuanqing

<?php

error_reporting(E_ALL);
ini_set('display_errors', 1);

empty($undefined); #=> true
isset($undefined); #=> false
@count($undefined); #=> 0

$null = null;

yuanqing

<?php

error_reporting(E_ALL);
ini_set('display_errors', 1);

# error
use Foo;
use Bar\Foo; # cannot use Bar\Foo as Foo because the name is already in use

# ok

yuanqing

$ curl -s http://php-osx.liip.ch/install.sh | bash -s 5.3

$ /usr/local/php5/bin/php -v

$ sudo ln -s /usr/local/php5/bin/php /usr/bin/php53

$ php53 -v

yuanqing

# File

- filePath: '/foo/bar/baz.qux'
- fileName: 'baz.qux'
- dirPath: '/foo/bar'
- dirName: 'bar'
- baseName: 'baz'
- extension: 'qux'

# Directory

yuanqing

<?php

# 10,000 iterations in 1.9696619510651s
function frontMatterExplode($str)
{
  $lines = explode(PHP_EOL, $str);
  if (rtrim($lines[0]) === '---') {
    unset($lines[0]);
    $i = 1;
    $yaml = array();

yuanqing

 0000
00  00
00  00
00  00
 0000

1111
  11
  11
  11

yuanqing

{
  "cmd": ["sbcl", "--load", "$file"]
}

yuanqing

{ "keys": ["`"], "command": "insert_snippet", "args": {"contents": "`${0:$SELECTION}`"}, "context":
  [
    { "key": "setting.auto_match_enabled", "operator": "equal", "operand": true },
    { "key": "selection_empty", "operator": "equal", "operand": false, "match_all": true }
  ]
}

yuanqing

#include <stdio.h>

int main()
{
  int i = 1;
  printf("%d\n", i); //=> 1
  {
    printf("%d\n", i); //=> 1
    int i = 2;
    printf("%d\n", i); //=> 2

yuanqing

function gp() {
  git commit -m '$1'
  if [ "$#" -eq 2 ]; then
    git push origin $2
  else
    git push origin master
  fi
}

$ gp 'foo bar'