Reference - Parms functions - mid

<h3>part 1</h3>  
{set $abc = (15 gt 33) } eq {$abc}


<h3>part 3</h3>

{if ( PHP_EOL EQ "\n" ) and ( PHP_EOL EQ 0x0a) }
  ok
@else@
  NOK
{/if}

<h3>part 4</h3>

{set $abc = ''}
{set $klm = 0}
{set $xyz = 'ok'}

<h3>part 6</h3>

{set $abc = 'abc'}
{set $xyz = 'xyz'}

{$abc | mid (2,1)}
{$abc | mid ( 2 , 1 )}

<h3>part 10</h3>

{if 5 gt 3}
  ok
@else@
  NOK
{/if}

{if 3 gt 5}
  NOK
@else@
  ok
{/if}

{if 5 gt 3 and 7 gt 6}
  ok
@else@
  NOK
{/if}


{if 3 gt 5 or 6 gt 7}
  NOK
@else@
  ok
{/if}


{if 1 gt 1 and  1 gt 1 and 1 gt 1 and 1 gt 1 and 1 gt 1 }
  NOK
@else@
  ok
{/if}

{if 1 gt 1 and  1 gt 1 and 1 gt 1 and 1 gt 1 or 5 gt 4 }
  ok
@else@
  NOK
{/if}


{if (1 gt 1) or ( 1 gt 1 or ( 1 gt 1 or (1 gt 1 or (5 gt 4) )  )  ) }
  ok
@else@
  NOK
{/if}

{if (1 gt 1) or ( 1 gt 1 or ( 1 gt 1 or (1 gt 1 or (5 gt 6) )  )  ) }
  NOK
@else@
  ok
{/if}

<h3>part 11c</h3>

{if 3 gt 5 or 6 gt 7}
  NOK
@else@
  ok
{/if}
{if 3 gt 5 or 6 gt 7}
  NOK
@else@
  ok
{/if}
{if 3 gt 5 or 6 gt 7}
  NOK
@else@
  ok
{/if}

{echo (mid('hello', 1, 2) | ucfirst)} {echo (php:max(1, 2, 3) | + 1)} {echo upper(('ab' | replace('a', 'x')))} {echo ('x' | left(2) | . '!')}

{echo 'abc' | mid(0, 1)}

{echo 'abc' | mid(2, -1)}

{echo 'Zoë Müller' | left(3)}|{echo 'Zoë Müller' | right(6)}|{echo 'Zoë Müller' | mid(3, 3)}|{echo 'Zoë Müller' | substr(2, 3)}|{echo 'Zoë Müller' | max_len(3)}

{echo 'abcdef' | mid(2, 3)}

{echo 'abc' | mid(2, 10)}

<?php

  $flag = "\u{1F1F3}\u{1F1F1} NL";
  $nfd  = "e\u{0301}cole";
  $fam  = "a\u{1F468}\u{200D}\u{1F469}\u{200D}\u{1F467}";

?>

[{echo $flag | left(1) | php:bin2hex(@)}][{echo $nfd | left(1) | php:bin2hex(@)}][{echo $fam | right(1) | php:bin2hex(@)}][{echo $nfd | mid(2, 2)}][{echo $flag | max_len(1) | php:bin2hex(@)}][{echo $nfd | substr(1)}][{echo $nfd | truncate(3, '.') | php:bin2hex(@)}]

<?php

  // Past 4096 bytes right() and substr() from the end read a window at the end of the text,
  // not the whole of it: a run of flags, whose pairs count from the run's start, and an
  // accent written apart must come out whole there too.

  $flags  = str_repeat ( "\u{1F1F3}\u{1F1F1}", 3001 );
  $accent = str_repeat ( "e\u{0301}", 3000 ) . "ab";

?>

[{echo $flags | right(1) | php:bin2hex(@)}][{echo $flags | substr(-2, 1) | php:bin2hex(@)}][{echo $accent | right(3) | php:bin2hex(@)}][{echo $accent | mid(3000, 1) | php:bin2hex(@)}][{echo $accent | truncate(3, '') | php:bin2hex(@)}]

<?php

  // The value the stripLow line cleans: printable letters around two control characters.

  $catLow = "a\x01b\x02c";

?>

after:      {echo 'a/b' | after('/')}
afterLast:  {echo 'a/b/c' | afterLast('/')}
before:     {echo 'a/b' | before('/')}
beforeLast: {echo 'a.b.c' | beforeLast('.')}
between:    {echo 17 | between(10, 66)}.
bold:       {echo 'important' | bold}
close:      {echo 'items' | close | ignore}
contains:   {echo 12345 | contains('34')}.
cut:        {echo 'banana' | cut('an')}
encodeHigh: {echo 'café' | encodeHigh}
exists:     {echo 'hello/index.pad' | exists}.
html:       {echo '<b>' | html}
in:         {echo 'a' | in('a')}.
left:       {echo 'abcdef' | left(2)}
like:       {echo 'abc' | like('a%')}.
max_len:    {echo 'abcdef' | max_len(4)}
mid:        {echo 'abcdef' | mid(2, 3)}
nbsp:       {echo 'hello world' | nbsp}
open:       {echo 'items' | open | ignore}
optional:   {$catNoSuch | optional}ok
range:      {echo 50 | range(0, 100)}.
replace:    {echo 'abc' | replace('b', 'x')}
right:      {echo 'abcdef' | right(2)}
sanitize:   {echo '<b>x</b>' | sanitize}
slashes:    {echo "it's" | slashes}
stripLow:   {echo $catLow | stripLow}
stripslashes: {echo "it's" | slashes | stripslashes}
tag:        {echo 'items' | tag | ignore}
time:       {echo 1702483200 | time('Y')}
timestamp:  {echo 1702483200 | timestamp('Y')}
trim:       {echo '  a b  ' | trim}
ucwords:    {echo 'hello world' | ucwords}
white:      {echo 'a       b' | white}