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Editorial Team
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Asked: 2026-06-14T03:24:41+00:00

I am trying to search a text file for two values on a line.

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I am trying to search a text file for two values on a line. If both values are present I need to output the entire line. The values I am searching for may not be next to each other which is where I am getting stuck. I have the following code which works well but only for one search value:

<?php 
$search = $_REQUEST["search"]; 
// Read from file 
$lines = file('archive.txt'); 
foreach($lines as $line) 
{ 
// Check if the line contains the string we're looking for, and print if it does 
if(strpos($line, $search) !== false) 
echo"<html><title>SEARCH RESULTS FOR: $search</title><font face='Arial'> $line <hr>"; 
} 

?>

Any assistance much appreciated. Many thanks in advance.

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1 Answer

  1. Editorial Team

    Assuming the values you’re searching for are separated by a space, and they will both always be present, explode should do the trick:

    $search = explode(' ', $_REQUEST["search"]);  // change ' ' to ',' if you separate the search terms with a comma, etc.
// Read from file 
$lines = file('archive.txt'); 
foreach($lines as $line) 
{ 
    // Check if the line contains the string we're looking for, and print if it does 
    if(strpos($line, $search[0]) !== false && strpos($line, $search[1] !== false)) { 
        echo"<html><title>SEARCH RESULTS FOR: $search</title><font face='Arial'> $line <hr>";
    }
}

    I’ll leave it up to you to add some validation to make sure there are always two elements in the $search array, etc.

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