Understanding array_walk_recursive and htmlspecialchars

Try with this php code:

$array_walk_recursive=htmlspecialchars($arr_fobg_teams,ENT_NOQUOTES);

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Actually your code working fine.You pass a parameter in the html() function.So when you echoed the

html($arr_fobg_teams[1]['ts_managername'])

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the parameter is the  

$arr_fobg_teams[1]['ts_managername']

.

Thanks for replying.  I'll need a little while to sort things out, I simplified my code for the example!

I'm actually using array_walk for a one dimensional array (a single row of results).

OK here's the actual code

// Ensure we get one row at the most by LIMIT 1.

$sql = sprintf("SELECT id AS fr_fixture_id, fr_season_lit, fr_season_start, fr_match_date, fr_team_code, fr_compdiv, 
		fr_othercomp, fr_opposition, fr_otheroppo, fr_home_away, fr_venue, fr_alt_venue, fr_mapref, fr_kickoff, fr_meet, 
		fr_referee, fr_assistants, fr_double_banker, fr_postponed_flag, fr_postponed_reason, fr_instructions, fr_manager_contact, 
		comp_code, comp_competition, comp_division, G.postcode 
		FROM fixtures_results 
		LEFT JOIN competitions ON fr_compdiv = comp_code AND fr_team_code = comp_fobg_team_code
		LEFT JOIN grounds G ON fr_venue = G.name
		WHERE fr_team_code = '%s' 
		AND fr_match_date = '%s' AND fr_double_banker <> 2   
		ORDER BY fr_team_code, id LIMIT 1 ", $side,$_GET['day']);
		
$arr_existing_fixture = $dbi->db_select_single_row($sql,'Error occurred with existing fixture');

if ($arr_existing_fixture)  
{
	echo "<br/>Before...".$arr_existing_fixture['fr_alt_venue'];   // Shows  St Jude's
	array_walk($arr_existing_fixture, 'html');
	echo "...and then after...".$arr_existing_fixture['fr_alt_venue'];   // Also shows  St Jude's
	$exist_comp_code = $arr_existing_fixture['comp_code']; 
	$exist_comp_competition = $arr_existing_fixture['comp_competition']; 
	$exist_comp_division = $arr_existing_fixture['comp_division'];
}
else  
{
         // no record found...
}

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but later when I want to display $arr_existing_fixture['fr_alt_venue'] in the form I see only St Jude

Using my function, but doing it individually, works OK:

echo "<br/>Before...".$arr_existing_fixture['fr_alt_venue'];
	$arr_existing_fixture['fr_alt_venue'] = html($arr_existing_fixture['fr_alt_venue']);
	echo "...and then after...".$arr_existing_fixture['fr_alt_venue'];

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Could you post the :

print_r($arr_existing_fixture);

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Array
(
    [fr_fixture_id] => 6940
    [fr_season_lit] => 2017-18
    [fr_season_start] => 2017
    [fr_match_date] => 2017-09-18
    [fr_team_code] => 3
    [fr_compdiv] => Other
    [fr_othercomp] => Beer Cup
    [fr_opposition] => Other
    [fr_otheroppo] => St Trinian's
    [fr_home_away] => A
    [fr_venue] => Other
    [fr_alt_venue] => St Jude's
    [fr_mapref] =>
    [fr_kickoff] => 10:00am
    [fr_meet] => 9:00am
    [fr_referee] =>
    [fr_assistants] =>
    [fr_double_banker] => 0
    [fr_postponed_flag] => 0
    [fr_postponed_reason] => 0
    [fr_instructions] => ALL PLAYERS TO CONFIRM BY TEXT BY FRIDAY.
    [fr_manager_contact] => Joe Bloggs
    [comp_code] => Other
    [comp_competition] => Other
    [comp_division] =>
    [postcode] =>
)

Isn't that your code?  Here's mine:

<input id='otherVenue<?=$side?>' name='otherVenue<?=$side?>' type='text' value='<?=$arr_existing_fixture['fr_alt_venue']?>'/>

This is what I am thinking...from the manual, my html function needs another parameter, not just the array, but I still don't know how to code it.

Description ¶

bool array_walk ( array &$array , callable $callback [, mixed $userdata = NULL ] )
Applies the user-defined callback function to each element of the array array.

array_walk() is not affected by the internal array pointer of array. array_walk() will walk through the entire array regardless of pointer position.

Parameters ¶

array
The input array.

callback
Typically, callback takes on two parameters. The array parameter's value being the first, and the key/index second.

Note:
If callback needs to be working with the actual values of the array, specify the first parameter of callback as a reference. Then, any changes made to those elements will be made in the original array itself.

Change to :

<input id="otherVenue<?=$side?>" name="otherVenue<?=$side?>" type="text" value=" <?=$arr_existing_fixture['fr_alt_venue']?> "/>

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My apologies.  So where was it tripping up exactly?

Brilliant, I appreciate your time on this.  Thank you.

Check your HTML code and specially the input elements.At the value attr you must have double quotes to echo the php variables.

Perfect, I see now.