Reference - @xxx@ constructs - start

<?php

  $title    = 'Todo List';
  $dataFile = 'demo/todos.json';   // under DATA/, for padFileGet and padFilePut
  $message  = $message ?? '';      // todoPost sets it, then restarts this page

  // A notice from the request - ?todo&message[]=x - is no text: {if $message} ended the
  // page on a 500 over the list.

  if ( ! is_string ( $message ) )
    $message = '';

  $todos = json_decode ( padFileGet ( $dataFile ), TRUE ) ?: [];

  $hasTodos     = count ( $todos ) > 0;
  $doneCount    = count ( padArrWhere ( $todos, 'done' ) );
  $pendingCount = count ( $todos ) - $doneCount;

?>

<p>Manage your tasks with this simple todo list.</p>

{if $message}
  <div class="message">{$message}</div>
{/if}

<h2>Add New Task</h2>

{todo 'add', 'Add Task'}
  <input type="text" name="task" aria-label="New task" placeholder="Enter a new task..." required style="flex: 1;">
{/todo}

<h2>Tasks ({$pendingCount} pending, {$doneCount} done)</h2>

{todos}

  <table>

    <tr>
      <th>Task</th>
      <th style="width: 120px;">Added</th>
      <th style="width: 5%; text-align: center;" colspan="2">Actions</th>
    </tr>

  @start@

    <tr{if $done} class="todo-item done"{/if}>
      <td>{$task}</td>
      <td style="font-size: 12px; color: #999;">{$date | substr (0, 10)}</td>
      <td>
        {if ! $done}
          {todo 'done', 'Done'}
            <input type="hidden" name="id" value="{$id}">
          {/todo}
        {/if}
      </td>
      <td>
        {todo 'delete', 'Delete'}
          <input type="hidden" name="id" value="{$id}">
        {/todo}
      </td>
    </tr>

  @end@

  </table>

  {if $doneCount > 0}
    {todo 'clear', 'Clear Completed Tasks'}{/todo}
  {/if}
    
@else@

  <p>No tasks yet. Add one above!</p>

{/todos}

{data 'myJson'}
[
  { "column": [ 11, 12, 13, 14, 15 ] },
  { "column": [ 21, 22, 23, 24, 25 ] },
  { "column": [ 31, 32, 33, 34, 35 ] }
]
{/data}

{pad data='myJson'}
  <table border='1'>
    @start@
      <tr>
        {column}
          <td>{$column}</td>
        {/column}
      </tr>
    @end@
  </table>
{/pad}

<?php

  return [
    1 => [ 'hi' => 2 ],
    2 => [ 'hi' => 3 ],
    3 => [ 'hi' => 4 ]
  ];

?>

<h3>Hello World 1</h3>

@start@
  <h3>Hello World {$hi}</h3>
@end@

<h3>Hello World 5 </h3>

<h3>Hello World 1</h3>

<?php

  $hi = 'Hello World 7';

  echo '<h3>Hello World 2</h3>';

  return [
    88 => [ 'hi' => 4 ],
    12 => [ 'hi' => 5 ],
    33 => [ 'hi' => 6 ]
  ];

?>

<h3>Hello World 3</h3>

@start@
  <h3>Hello World {$hi}</h3>
@end@

<h3>{$hi}</h3>

<h3>Hello World 8 </h3>

{data 'u'}[1,2]{/data}{u}pre @start@ {$u}{/u}

{data 'u'}[1,2]{/data}{u}a @end@ b @start@ c{/u}

{content 'myContent'}
  <table border=1>
    <tr>
      <th> volume   </th>
      <th> edition  </th>
      <th> file     </th>
    </tr>
    @start@
      <tr>
        <td> {$volume}   </td>
        <td> {$edition}  </td>
        <td> {$file}     </td>
      </tr>    
    @end@
  </table>
{/content}

{data 'myData'}
  [ { "volume": 55, "edition": 3, "file": "file1.xml"  },
    { "volume": 33, "edition": 1, "file": "file2.xml"  },
    { "volume": 55, "edition": 2, "file": "file11.xml" },
    { "volume": 33, "edition": 3, "file": "file12.xml" },
    { "volume": 55, "edition": 1, "file": "file21.xml" },
    { "volume": 33, "edition": 2, "file": "file8.xml"  } ]
{/data}

{myContent data='myData'}
{myContent data='myData', sort='volume;edition'}
{myContent data='myData', sort='volume DESC; edition DESC'}
{myContent data='myData', sort='file'}
{myContent data='myData', sort='file NATURAL'}

<?php

  // The lenient walk under test: with the syntax check off, the marker splits where it
  // stands, as it always has.

  $padCheckSyntax = FALSE;

?>

{data 'u'}[1,2]{/data}{u}[p]@start@{$u}{/u}

<?php

  // The lenient walk under test: with the syntax check off, a lone @end@ of a nested level
  // is that level's coda, and the outer level splits on its own marker.

  $padCheckSyntax = FALSE;

?>

{data 'items'}
  [{"n":"a","subs":[{"s":1},{"s":2}]},{"n":"b","subs":[{"s":3}]}]
{/data}
{items}
  <ul>
  @start@
    <li>{$n}{subs}{$s}@end@!{/subs}</li>
  @end@
  </ul>
{/items}

<?php

  $items = [ [ 'n' => 1 ], [ 'n' => 2 ] ];
  $none  = [];

?>

0[{none}H@start@R@end@F{/none}] 8[{items where='$n gt 5'}H@start@R@end@F{/items}] 12[{items first=0}H@start@R@end@F{/items}] 14[{items where='$n gt 5'}H@start@R@end@F@else@E{/items}] 15[{items where='$n gt 1'}H@start@{$n}@end@F{/items}]

{data 'd'}[{"n":"a"},{"n":"b"},{"n":"c"}]{/data}<{d negative, first=3}pre @start@x@end@ post{/d}>

<?php

  $items = [ [ 'n' => 1 ], [ 'n' => 2 ], [ 'n' => 3 ] ];

?>

{items toData='c1'}{$n}{/items}{items toData='c2'}H@start@{$n}@end@F{/items}1[{c1}<{$n}>{/c1}] 2[{c2}<{$n}>{/c2}] 3[{c2}<{current@c2}>{/c2}]

{data 'd'}[{"n":"a"},{"n":"b"},{"n":"c"}]{/data}{d}{count@d} rows: @start@{$n}@end@ - total {count@d}{/d}