How do I search for a specific word in a text file using php?

How do I search for a specific word in a text file using php?

How do I search for a specific word in a text file using php?

php function find_value($input) { // $input is the word being supplied by the user $handle = @fopen(“/users/edwin/list. txt”, “r”); if ($handle) { while (! feof($handle)) { $entry_array = explode(“:”,fgets($handle)); if ($entry_array[0] == $input) { return $entry_array[1]; } } fclose($handle); } return NULL; } ?>

How do you check if a file contains a string in php?

php function getDirContents($dir, &$results = array()){ $files = scandir($dir); foreach($files as $key => $value){ $path = realpath($dir. DIRECTORY_SEPARATOR. $value); if(! is_dir($path)) { $results[] = $path; } else if($value !=

How do I search for data in a text file?

Steps:

  1. Open a file.
  2. Set variables index and flag to zero.
  3. Run a loop through the file line by line.
  4. In that loop check condition using the ‘in’ operator for string present in line or not. If found flag to 0.
  5. After loop again check condition for the flag is set or not.
  6. Close a file.

How do I read the contents of a file in php?

PHP provides various functions to read data from file. There are different functions that allow you to read all file data, read data line by line and read data character by character….Example

  1. $fp = fopen(“c:\\file1.txt”, “r”);//open file in read mode.
  2. while(!feof($fp)) {
  3. echo fgetc($fp);
  4. }
  5. fclose($fp);
  6. ?>

How do I find a specific word in a text file?

Finding text in a Word document The Ctrl + F and Command + F keyboard shortcut keys also work in Microsoft Word. In Microsoft Word, older versions featured the Edit menu, and the Find option is found in that menu.

What is Preg_match?

The preg_match() function searches string for pattern, returning true if pattern exists, and false otherwise. If the optional input parameter pattern_array is provided, then pattern_array will contain various sections of the subpatterns contained in the search pattern, if applicable.

How do you check if a word is present in a string in C?

Check if String Contains Substring in C

  1. Use the strstr Function to Check if a String Contains a Substring in C.
  2. Use the strcasestr Function to Check if a String Contains a Substring.
  3. Use the strncpy Function to Copy a Substring.

How do you check if a string contains a word JS?

You can check if a JavaScript string contains a character or phrase using the includes() method, indexOf(), or a regular expression. includes() is the most common method for checking if a string contains a letter or series of letters, and was designed specifically for that purpose.

How do I search for a word within a file in Windows?

How to Search for words within files on Windows 7

  1. Open windows explorer.
  2. Using the left hand file menu select the folder to search in.
  3. Find the search box in the top right hand corner of the explorer window.
  4. In the search box type content: followed by the word or phrase you are searching for.(eg content:yourword)