Php instant stock information _ PHP Tutorial

Php captures real-time stock information. How does php capture real-time stock information? Export file_nameindex.htm; if (is_file ($ file_name) {exec (cat $ file_name, $ buffer); for ($ i0; $ icount ($ buffer); $ I ++) {if (strstr ($ buffer [$ I],! -- The stock market is triggered daily by php to capture real-time stock information
$ File_name = "index.htm ";
If (is_file ($ file_name )){
Exec ("cat $ file_name", $ buffer );
For ($ I = 0; $ I If (strstr ($ buffer [$ I]," ") Break; // locate this line
}

For ($ j = $ I; $ j <$ I + 70; $ j ++) {// capture the following 70 rows
$ Str. = $ buffer [$ j];
}
Echo $ str;
}
?>

Why? Using file_name1_index.htm; if (is_file ($ file_name) {exec (cat $ file_name, $ buffer); for ($ I = 0; $ icount ($ buffer); $ I ++) {if (strstr ($ buffer [$ I],! -- Daily stock market activity...