Extracting lines from a file that meet a criteria

Hi guys hope u r well and can help.

I have a php file which has a list of entries in it like below...

------------------------------------------------------------------------------------- test1.php
 case 'menu3_it_cmswiki_joomla.php':
 case 'menu3_it_cmswiki_mediawiki.php':
 case 'menu3_it_databases_mysql.php':
 case 'menu3_it_drp_livestaterecovery.php':
 case 'menu3_it_drp_tivoli.php':
 case 'menu3_it_hware_dell.php':
 case 'menu3_it_hware_hp.php':
 case 'menu3_it_hware_ibm.php':
 case 'menu3_it_infrastructure_cml-swd.php':
 case 'menu3_it_messaging_im.php':
 case 'menu3_it_messaging_outlook.php':
 case 'menu3_it_microsoft_windows2003.php':
 case 'menu3_it_microsoft_windowsxp.php':
 case 'menu3_it_miscellaneous_notes.php':
 case 'menu3_it_network_cisco.php':
 case 'menu3_it_packaging_altiris.php':
 case 'menu3_it_packaging_wise.php':
 case 'menu3_it_virtual_vmware.php':
 case 'menu3_it_virtual_vpc.php':
 case 'menu3_it_unix_redhatlinux.php':
 case 'menu3_it_unix_suselinux.php':
---------------------------------------------------------------------------------------------

I have another file called placeinto.php.
From test1.php, Id like to insert entries from test1.php and place into placeinto.php at certain parts, or placeholders in placeinto.php

For example, part of placeinto.php looks like below.....note that currently, I have to hard code the below entries.

-------------------------------------------------------------------------- placeinto.php

//# ooIT-VIRTUALPLACEHOLDERoo1 #

              case 'menu3_it_virtual_vmware.php':
              case 'menu3_it_virtual_vpc.php':

//# ooIT-VIRTUALPLACEHOLDERoo2 #

 #########################################################

// #########################################################    
                                                               
//# ooIT-UNIXPLACEHOLDERoo1 #                                  
                                                               
                case 'menu3_it_unix_redhatlinux.php':
                case 'menu3_it_unix_suselinux.php':  
                                                               
//# ooIT-UNIXPLACEHOLDERoo2 #                                  
                                                               
// #########################################################  

----------------------------------------------------------------------------------------------
I hope from the above you can see what Im trying to do.
This file, has MULTIPLE PLACEHOLDERS as defined by eg. //# ooIT-UNIXPLACEHOLDERoo2 #  etc etc

Currently in placeinto.php, im hardcoding the case entries into specific parts of placeinto.php.
But these same entries, with your guys help, could be automatically inserted into the correct areas into placeinto.php, because they already exist in test1.php.

The following code works for placing one type of case entry pattern into the file.
I just dont know how to expand the functionality further so that if I have multiple placeholders, which I do in placeinto.php, how could I improve the below code, so that certain entries that meet the right criteria would popluate the correct placeholder in placeinto.php?

For example, if in test1.php..

case entries with menu3_it_hware would be placed into placeinto.php in between placeholder //# ooHWAREPLACEHOLDERoo1 # and //# ooHWAREPLACEHOLDERoo2 #
case entries with menu3_it_messaging would be placed into placeinto.php in between placeholder //# ooMESSAGINGPLACEHOLDERoo1 # and ooMESSAGINGPLACEHOLDERoo2 #
case entries with menu3_it_microsoft would be placed into placeinto.php in between placeholder //# ooMICROSOFTPLACEHOLDERoo1 # and //# ooMICROSOFTPLACEHOLDERoo2 #

Any help greatly appreciated.




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#!/usr/bin/php -q
<?php
 
$insert_it = file_get_contents("test1.php");
$template_it = file_get_contents("placeinto.php");
$place1_it = "//# ooITPLACEHOLDERoo1 #";
$place2_it = "//# ooITPLACEHOLDERoo2 #";
 
$x_it = explode($place1_it,$template_it);
// $template_part1 = $x[0] . $place1;
$template_part1_it = $x_it[0] . "\n" . $place1_it . "\n";
 
 
$x_it = explode($place2_it, $template_it);
// $template_part2_it = $place2_it . $x_it[1];
$template_part2_it = "\n" . $place2_it . "\n" . $x_it[1];
 
// $out_file_it = includes . '/' . $template_part1_it . $insert_it . $template_part2_it;
$out_file_it = $template_part1_it . $insert_it . $template_part2_it;
if (!file_put_contents("menu2_functions.php", $out_file_it)) { /* error processing */ }
 
 
?>