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Editorial Team
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Asked: 2026-06-16T21:44:19+00:00

I’m trying to start using templates in my scripts, however I have problems looping

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I’m trying to start using templates in my scripts, however I have problems looping through the variables in my template.
I’ve created a simple template script and my problem is that it only replaces 1 of my variables instead of all of them. If I use .= the problem persist ( I only replace 1 variable at the time). Could anyone help me with the logic of my script?

My PHP

<?php
$data= array('uno'=>'1','dos'=>'2','tres'=>'3','cuatro'=>'4','cinco'=>'5');

function tpl ($data,$tpl = null) {

    foreach ( $data as $find => $replace ) {
            $return = str_replace('{'.$find.'}',$replace,$tpl);
    }

    return $return;
}

echo tpl($data, file_get_contents('tpl.tpl'));
?>

My HTML template

<html>
<h1>{uno}</h1>
<h2>{dos}</h2>
<h3>{tres}</h3>
<h4>{cuatro}</h4>
<h5>{cinco}</h5>
</html>
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1 Answer

  1. Editorial Team

    Simple problem, you always start over the replace within $tpl data. Always rewrite the variable content:

    function tpl ($data,$tpl = null) {

    $return  = $tpl; // this will be in foreach and will get rewritten.
    foreach ( $data as $find => $replace ) {
            $return = str_replace('{'.$find.'}', $replace, $return); // note $return from here
    }

    return $return;
}
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