PHP code example of gmazzap / pentothal

1. Go to this page and download the library: Download gmazzap/pentothal library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

gmazzap / pentothal example snippets


$data = [
  'foo',
  1,
  true,
  'bar',
  [],
  ''
];

$strings = array_filter($data, 'is_string'); // ['foo', 'bar', '']


$strings = array_filter($data, function($item) {
    return is_string($item) && $item !== '';
});


use Pentothal as P;

$strings = array_filter($data, P\combine(P\isType('string'), P\isNotEmpty()));


use Pentothal as P;

$data = ['yes', 'no', 'Yes', 'No', 'YES', 'NO' ];

$yes = array_filter($data, P\applyAfter('strtolower', isSame('yes'))); // ['yes', 'Yes', 'YES']


use Pentothal as P;

// some example data
$countableOne = new \ArrayObject(['foo' => 'bar']);
$countableTwo = new \ArrayObject(['a' => 'a', 'b' => 'b']);
$plainObj = new \stdClass();
$string1 = 'a';
$string3 = 'abc';
$number1 = 1;
$number3 = 3;

$list = [
  'a' => $countableOne,
  'b' => $countableTwo,
  'c' => $plainObj,
  'd' => $string1,
  'e' => $string3,
  'f' => $number1,
  'g' => $number3
];


$predicate = P\combine(
  P\pool(P\isNotObject(), P\isType('Countable')), // filter out: ['c' => $plainObj]
  P\pool(P\isNotString(), P\size(3)), // filter out: ['d' => $string1]
  P\pool(P\isString(), P\size(1)) // filter out: ['a' => $countableTwo, 'g' => $number3]
);

$negatePredicate = negate($predicate);

$in = array_filter($list, $predicate);
$out = array_filter($list, $negatePredicate);

var_dump($in); // array('a' => $countableOne, 'e' => $string3, 'f' => $number1];
var_dump($out); // array('b' => $countableTwo, 'c' => $plainObj, 'd' => $string1, 'g' => $number3];