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<?php
function install_version_checks() {
# We dare not turn output buffer _off_ since this will break completely
# if PHP is globally configured to run through a gzip filter.
@ob_implicit_flush( true );
if( !function_exists( 'version_compare' ) ) {
# version_compare was introduced in 4.1.0
die( "Your PHP version is much too old; 4.0.x will _not_ work. 4.3.2 or higher is required. ABORTING.\n" );
}
if( version_compare( phpversion(), '4.3.2' ) < 0 ) {
die( "PHP 4.3.2 or higher is required. ABORTING.\n" );
}
if (!extension_loaded('mysql')) {
if (!dl('mysql.so')) {
print 'Could not load MySQL driver! Please compile '.
"php --with-mysql or install the mysql.so module.\n";
exit;
}
}
global $wgCommandLineMode;
$wgCommandLineMode = true;
umask( 000 );
set_time_limit( 0 );
}
function copyfile( $sdir, $name, $ddir, $perms = 0664 ) {
copyfileto( $sdir, $name, $ddir, $name, $perms );
}
function copyfileto( $sdir, $sname, $ddir, $dname, $perms = 0664 ) {
global $wgInstallOwner, $wgInstallGroup;
$d = "{$ddir}/{$dname}";
if ( copy( "{$sdir}/{$sname}", $d ) ) {
if ( isset( $wgInstallOwner ) ) { chown( $d, $wgInstallOwner ); }
if ( isset( $wgInstallGroup ) ) { chgrp( $d, $wgInstallGroup ); }
chmod( $d, $perms );
# print "Copied \"{$sname}\" to \"{$d}\".\n";
} else {
print "Failed to copy file \"{$sname}\" to \"{$ddir}/{$dname}\".\n";
exit();
}
}
function copydirectory( $source, $dest ) {
$handle = opendir( $source );
while ( false !== ( $f = readdir( $handle ) ) ) {
$fullname = "$source/$f";
if ( $f{0} != '.' && is_file( $fullname ) ) {
copyfile( $source, $f, $dest );
}
}
}
function readconsole( $prompt = '' ) {
static $isatty = null, $fp = null;
if ( is_null( $fp ) ) {
$fp = fopen( 'php://stdin', 'r' );
}
if ( is_null( $isatty ) ) {
if ( !function_exists( 'posix_isatty' ) || posix_isatty( $fp ) ) {
$isatty = true;
} else {
$isatty = false;
}
}
if ( $isatty && function_exists( 'readline' ) ) {
return readline( $prompt );
} else {
if ( $isatty ) {
print $prompt;
}
if ( feof( $fp ) ) {
return false;
}
$st = fgets($fp, 1024);
if ($st === false) return false;
$resp = trim( $st );
return $resp;
}
}
function replacevars( $ins ) {
$varnames = array(
'wgDBserver', 'wgDBname', 'wgDBintlname', 'wgDBuser',
'wgDBpassword', 'wgDBsqluser', 'wgDBsqlpassword',
'wgDBadminuser', 'wgDBadminpassword', 'wgDBprefix'
);
foreach ( $varnames as $var ) {
if( isset( $GLOBALS[$var] ) ) {
$val = addslashes( $GLOBALS[$var] );
$ins = str_replace( '{$' . $var . '}', $val, $ins );
$ins = str_replace( '/*$' . $var . '*/`', '`' . $val, $ins );
$ins = str_replace( '/*$' . $var . '*/', $val, $ins );
}
}
return $ins;
}
#
# Read and execute SQL commands from a file
#
function dbsource( $fname, $database = false ) {
$fp = fopen( $fname, 'r' );
if ( false === $fp ) {
print "Could not open \"{$fname}\".\n";
exit();
}
$cmd = "";
$done = false;
while ( ! feof( $fp ) ) {
$line = trim( fgets( $fp, 1024 ) );
$sl = strlen( $line ) - 1;
if ( $sl < 0 ) { continue; }
if ( '-' == $line{0} && '-' == $line{1} ) { continue; }
if ( ';' == $line{$sl} && ($sl < 2 || ';' != $line{$sl - 1})) {
$done = true;
$line = substr( $line, 0, $sl );
}
if ( '' != $cmd ) { $cmd .= ' '; }
$cmd .= "$line\n";
if ( $done ) {
$cmd = str_replace(';;', ";", $cmd);
$cmd = replacevars( $cmd );
if( $database )
$res = $database->query( $cmd, 'dbsource', true );
else
$res = mysql_query( $cmd );
if ( false === $res ) {
$err = mysql_error();
print "Query \"{$cmd}\" failed with error code \"$err\".\n";
exit();
}
$cmd = '';
$done = false;
}
}
fclose( $fp );
}
# Obsolete, use Database::fieldExists()
function field_exists( $table, $field ) {
$fname = 'Update script: field_exists';
$db =& wfGetDB( DB_SLAVE );
$res = $db->query( "DESCRIBE $table", $fname );
$found = false;
while ( $row = $db->fetchObject( $res ) ) {
if ( $row->Field == $field ) {
$found = true;
break;
}
}
return $found;
}
# Obsolete Database::tableExists()
function table_exists( $db ) {
global $wgDBname;
$res = mysql_list_tables( $wgDBname );
if( !$res ) {
echo "** " . mysql_error() . "\n";
return false;
}
for( $i = mysql_num_rows( $res ) - 1; $i--; $i > 0 ) {
if( mysql_tablename( $res, $i ) == $db ) return true;
}
return false;
}
# Obsolete, use Database:fieldInfo()
function field_info( $table, $field ) {
$res = mysql_query( "SELECT * FROM $table LIMIT 1" );
$n = mysql_num_fields( $res );
for( $i = 0; $i < $n; $i++ ) {
$meta = mysql_fetch_field( $res, $i );
if( $field == $meta->name ) {
return $meta;
}
}
return false;
}
?>
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