pdf parser

pdf_parser.php

<?php 
include 'vendor/autoload.php';
ini_set('memory_limit','1024M');
ini_set('max_execution_time', 300);




//var_dump(pages_text('42.pdf',50,202));
var_dump(text_to_array('42.pdf.txt'));

function pages_text( $filename, $min, $max ) {
	$parser = new \Smalot\PdfParser\Parser(); 
	
	$pdf   = $parser->parseFile($filename);	
	$pages  = $pdf->getPages();
	$text = '';
	
	for ( $i = $min; $i < $max; $i++ ) {
		$page_text = $pages[$i]->getText();
		$page_text = preg_replace( "/(^[0-9]+)\s+\n\s+\n/", "\r\n", $page_text );
		$page_text = preg_replace('/\(54\s/', '(546)', $page_text);
		$page_text = preg_replace('/_+/', '', $page_text);
		$text .= $page_text;
	}

	file_put_contents($filename.".txt", $text);
}


function text_to_array( $filename ) {
	
	$text = file_get_contents( $filename );
	$myArray = array();
	foreach (explode('(210)', $text) as $key => $value) {
		$results = preg_split( '/\(([0-9]+)\)/s', $value, null, PREG_SPLIT_DELIM_CAPTURE );
		$myKey = '';
		foreach ($results as $k => $v) {
		  if ( $k == 0 ) {
		  	$myArray[$key][210] = trim($v);
		  } else if ( ($k > 0) && ($myKey == '')) {
		    $myKey = trim($v);
		  } else if ($k > 0) {
		    $myArray[$key][$myKey] = trim($v); 
		    $myKey = '';
		  }
		}

	}

	return $myArray;
}


function images_array( $pdf ) {

	$array = array_reverse( $pdf->getObjectsByType('XObject', 'Image') );
	$new_array = array();
	foreach ( $array as $image ) {
		$new_array[] = base64_encode( $image->getContent() );
	}

	return $new_array;
}