Question

How to search for exact text line within text file in PHP

Answer 1

$file = 'data.txt';
$searchline = 'php programming';

$content = file_get_contents($file);

$lines = explode("\n", $content);
$found = 0;
foreach ($lines as $line) {
	if (trim($searchline) === trim($line)) {
		$found = 1;
		echo "found";
		break;
	}
}

if (!$found)
	echo "not found";



 
/*
 
data.txt
--------
php programming
that is php programming to web development.
Searches subject for a match to the regular expression
At least php programming will be present within the array
php programming
Perform a global php programming match
php programming
Split string by a REGULAR EXPRESSION
 
*/
 


/*
run:
 
found
 
*/

 

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