Kcko

<?php

$regex1 = '/(\d+) \1/';     // Backreference
$regex2 = '/(\d+) (?1)/';   // Subroutine

100 100 // ✅ only backreference
100 200 // ✅ both!


// https://github.com/Hamz-a/php-regex-best-practices/blob/master/07%20Writing%20modular%20regexes.md

Kcko

// useFormHandler.js
import { ref } from 'vue'

export function useFormHandler(initialData = {}) {
  const formData = ref({ ...initialData })
  const errors = ref({})
  const validate = () => {
    errors.value = {}
    Object.keys(formData.value).forEach(key => {
      if (!formData.value[key]) errors.value[key] = 'Required'

Kcko

https://jsbin.com/qonusuciru/6/edit?html,css,output

Kcko

_

Kcko

_

Kcko

https://jsbin.com/hegesunoyu/3/edit?html,css,output

Kcko

/* [1] Card List */
https://codepen.io/kevinpowell/pen/RwvWoLg

/* [2] Two list side by side with unlimited rows and same height on each row */
https://codepen.io/kevinpowell/pen/KKqjrRO

Kcko

<!-- https://codepen.io/gwaradon/pen/poYYbPY -->


<div class="w-500">
    <div class="grid">
        <div class="grid-item">
            Gird item 1
        </div>
        <div class="grid-item">
            Gird item 2

Kcko

<?php

// ============================================================================
// FOTBALISTA - Entita
// ============================================================================

class Player 
{
    private string $name;
    private int $age;

Kcko

<?php
/**
 * ========================================
 * 📦 Další praktické OOP koncepty (krátce)
 * ========================================
 */

// ============================================================================
// 1. 📦 DTO (Data Transfer Objects) - Typované přenosy dat