php 導(dǎo)入csv數(shù)據(jù)到mysql數(shù)據(jù)庫
Jun 13, 2016 am 11:22 AM
class Import{
?var $csv_fields=array(); //fields in csv to care about...
?var $csv_file; //file to open
?var $csv_data; //data in file
?var $csv_array = array(); //array of data in file
?var $csv_all_fields = array(); //all the field names in the csv file
?var $csv_data_all = array(); //all the data
?var $csv_data_keyed = array(); //all the data
?var $tmp_array=array();
?var $mysql_array=array();
?var $table; //table to insert into
?var $mysql_link; //database
?var $instructions=array(); //sql and default settings
?var $instruct_functions = array(); //function calls
?var $debug=0; // show debug information - step by step messages
?var $return_debug=0; // return debug information instead of echoing it
?var?$vals_per_insert=100; //number of values to add per insert statement of SQL
?var $format="linux";
?var $linebreak_char="n";
?var $delimit_char = ",";
?var $use_external_csv_header_file = 0;
?var $external_headers="";
?
?function Import(){
??echo "n";
??return(TRUE);
?}
?var $resetProgress=0;
?function reset_class_state(){
??$this->dmsg("Resetting class state", 2);
??$this->csv_data_all = array();
??$this->csv_fields = array();
??$this->csv_data_keyed = array();
??$this->tmp_array = array();
??$this->mysql_array = array();
??$this->instructions = array();
??$this->instruct_functions = array();
??$this->error_messages = "";
??$this->output_sql = "";
??$this->resetProgress=1;
??$this->dmsg("Ready for new table and data definitions", 2);
?}
?function set_delimit_char($ch){
??$this->delimit_char = $ch;
??$this->dmsg("Set delimiter character to $ch", 2);
?}
?function debug($d=0,$r=0){
??$this->debug=$d;
??$this->return_debug=$r;
?}
?var $y=1;
?var $error_messages="";
?var $debug_level = 1;
?function set_debug_level($dl=1){
??$this->debug_level = $dl;
?}
?function dmsg($string, $dlvl=1){
??global $PHP_SELF;
??//debug level - 1-4 //1 is status messages only - 4 is full debugging
??if($dlvl debug_level){
???if($this->debug){
????if(!$this->return_debug){
?????if($PHP_SELF){
??????echo "? ".$string."
n";
?????}else{
??????echo "n# $string ";
?????}
????}else{
?????$this->error_messages .="# $string
n";?
????}
????$this->y++;
???}
??}
?}
?var $terminal_width=100;
?var $queries_per_dot = 20;
?function progress_guess(){
??$calculations_to_perform = `wc -l $this->csv_file`;
??$funcs_per_row = count($this->instruct_functions);
??$total_function_calls = $calculations_to_perform * $funcs_per_row;
??$this->queries_per_dot = round($total_function_calls / 100);
??$this->dmsg("functions: $total_function_calls function calls to be made - dots at $this->queries_per_dot calls per dot", 3);
?}
?function set_terminal_width($w){
??$this->terminal_width=$w;
?}
?function set_resetProgress($on=1){
??$this->resetProgress=1;
?}
?function show_progress_meter(){
??static $count=0;
??static $first=1;?
??static $ticker=0;
??//reset class state triggers this action
??if($this->resetProgress){
???$count=0;
???$first=1;
???$ticker=0;
???$this->resetProgress=0;
??}
??if($this->debug){
???if($count == 0 && $first){
????echo "n#";
????$first=0;
???}
???if($count > $this->terminal_width ){
????echo "n#";
????$count=0;
???}
??????//queries per dot
???if($ticker == $this->queries_per_dot){
????echo ".";
????$ticker=0;
????$count++;
???}else{
????$ticker++;
???}
??}
?}
?function blank_error_messages(){
??$this->error_messages = "";
?}
?function get_error_messages(){
??return($this->error_messages);
?}
?function add_field_alias($csv_field, $mysql_field){
??//add element to array
??$this->csv_fields[$csv_field] = $mysql_field;
??if(ereg("^TMP__", $mysql_field)){
???$this->dmsg("added temporary field alias $csv_field --> $mysql_field", 2);
??}else{?
???$this->dmsg("added field alias $csv_field --> $mysql_field", 2);
??}
?}
?//only call this after calling read_csv_file - otherwise array will be missing.
?//ALSO - ONLY CALL AFTER create_csv_data_array() has been called for any initial add_field_alias values.
?//otherwise these fields are missing from the end array but no warnings are dipsplayed!! :(
?function duplicate_field($csv_field, $mysql_field){
??
??if(!is_array($this->mysql_array)){
???echo "Run read_csv_file($file) first to create necessary arrays"; die();
??}
??reset($this->mysql_array);
??while(list($key, $this->field) = each($this->mysql_array)){
???$this->mysql_array[$key][$mysql_field] = $this->csv_data_all[$key][$csv_field];
??}
??reset($this->mysql_array);
??$this->dmsg("duplicated field $csv_field --> $mysql_field", 1);
?}
?function use_external_headers($headerfile){
????
???$this->dmsg("Reading in external csv headers from $headerfile.", 2);
???if(file_exists($headerfile)){
????$fd = fopen($headerfile, "r");
????$this->external_headers = fread($fd, filesize($headerfile));
????$this->external_headers = trim($this->external_headers);
????fclose($fd);
?? ??$this->use_external_csv_header_file = 1;
???}else{
????$this->dmsg("Error - csv header file $headerfile does not exist!" );
????die();
???}
???$this->dmsg("Got headers:n $this->external_headers", 2);
?}
?//clean file will replace commas quotes and apostrophies with safe alternatives -
?//create_sql knows about the aliases and flips them back in the final sql output
?function clean_file($text){
??$rows = explode($this->linebreak_char,$text);
??$return = "";
??while(list($key,$val)=each($rows)){
??//replace commas apostrophies and quotes.... these are flipped back to propper values in the create_sql function?
???$val = preg_replace("/,"(.*)([,])(.*)",/", ',"1,3",',? $val, -1);
???$val = str_replace("""", ""e;", $val);
???$val = str_replace("'", "&appos;", $val);
???$return .= $val."n";
??}
??return($return);
?}
?var $pages = array();
?function find_xls_pages($file){
??$command = " xlhtml -dp -asc $file";
??$xls_detail = `$command`;
??
??$this->dmsg($xls_detail);
?}
?//function can read xls files and create the necessary arrays from that (by using xlhtml application to craete a csv in /tmp)
?function read_xls_file($file){
??//use xlhtml to convert...
??$this->dmsg("checking if xlhtml is installed...", 3);
??$xlhtml_check = `which xlhtml 2>/dev/null`;
??if(strlen($xlhtml_check)==0){
???$this->dmsg("You must install xlhtml to be able to import xls files directly into csv2mysql", 1);
???die("n# Script Endedn");
??}
??$this->dmsg("$xlhtml_check");
??$tmpfilename="/tmp/TMPCSV2MYSQL.CSV";
??$this->find_xls_pages($file);
??$command = "$xlhtml_check -csv -xp:0 $file > $tmpfilename";
??$this->dmsg("Running command $command");
??exec($command);
??$this->read_big_csv_file($tmpfilename);
?}
?var $fd;
?function read_csv_file($file){
??//call better function - reads in file line by line
??$this->read_big_csv_file($file);
?}
?var $buffer;
?var $csvfields;
?var $csv_all_possible_fields = array();
?var $csvFields = array();
?function? read_big_csv_file($file){
??$this->dmsg("Reading data from csv file: $file", 1);
??$this->csv_file = $file;
??
??if(!$this->fd=fopen($this->csv_file, "r")){
???echo "Unable to open csv filenn"; die();
??}
??/*
??$x=0;
??while(!feof($this->fd)){
???$this->buffer = fgets($this->fd, 4096);
???$this->csv_data .= $this->buffer;?
???$x++;?
??}
??*/
??//creates an array called data....
??while($data = fgetcsv($this->fd, 1000, $this->delimit_char)){
???$num = count($data);
???$count=1;
???foreach($data as $cell){
????$cell = str_replace(""", ""e;", $cell);??
????$cell = str_replace("'", "&appos;", $cell);??
????$cell = str_replace(",", ",", $cell);
????$this->csv_data .= $cell;
????if($count ?????$this->csv_data .= $this->delimit_char;
?????$count++;
????}
???}
???$this->csv_data .= $this->linebreak_char;
??}
??//die($this->csv_data);
??//clean file will replace commas quotes and apostrophies with safe alternatives -
??//create_sql knows about the aliases and flips them back in the final sql output
??//$this->csv_data = $this->clean_file($this->csv_data);
??//if we are using an external header file then add the headers to the top of the read in data for simplicities sake...
??if($this->use_external_csv_header_file){
???$this->csv_data = $this->external_headers."n".$this->csv_data;?
??}
????/* create array of the field names */
?
?
??$this->csvfields = explode($this->linebreak_char, $this->csv_data);
??$this->csv_all_possible_fields = $this->csvfields[0];
???//explode these on commas
??$this->csvfields = explode($this->delimit_char, $this->csv_all_possible_fields);
??foreach($this->csvfields as $field){
???$this->csvFields[] = addslashes($field);?
??}
??
???
??$this->dmsg("Finished reading data from csv file", 2);
?}
?var $tmp;
?function set_format($format){
??$this->format = $format;
??if($format == "win"){
???$this->linebreak_char = "rn";
???$this->tmp = "rn";
??}else{
???$this->linebreak_char = "n";
???$this->tmp = "n";
??}
??//$this->dmsg("Line break format set to ".addslashes($this->linebreak_char));
??$this->dmsg("Line break format set to $this->tmp", 2);
?}
?var $lines;?
?var $stripQuotes = 1;
?function setStripQuotes($on=1){
??$this->stripQuotes = $on;
?}
?//function will create csv_data_all array - keyed on csv field names holding values.
?function create_csv_data_array(){
??if(empty($this->csv_data)){
???echo "No data in csv file $this->csv_filen"; die();
??}
??$this->lines = array();
??$this->csv_data_all = array();
?
??$this->dmsg("Started to create data array", 1);
??$this->lines = explode($this->linebreak_char, $this->csv_data);
??foreach($this->lines as $line){
???if(!empty($line)){
????$values = explode($this->delimit_char, $line);
????//strip the " tags wrapping the strings...
????foreach($values as $k=>$v){
?????if($this->stripQuotes){
??????$len = strlen($v)-1;
??????//are the first and last characters quotes?
??????$v = stripslashes($v);
??????if(ereg("^".+"$", $v)){
???????//if so replace them with spaces and then trim them off
???????//$v[0] = " ";
???????//$v[$len] = " ";
???????//$v = trim($v);?
???????//$v = str_replace(""", "", $v);
??????}?
?????}
?????$v = str_replace(""", "", $v);
?????//$values[$k] = addslashes($v);
?????$values[$k] = $v;
????}
????$this->csv_array[] = $values;
???}
??}
??$this->csv_all_fields = $this->csv_array[0];
??//skip line 1 as this is the csv definition then run through the array -
??//create a new array keyed on the field names of the csv and holding the values
??$count=0;
??reset($this->csv_array);
??while(list($foo,$el)=each($this->csv_array)){
???if($count>0){
????foreach($el as $key=>$val){
?????$this->csv_data_keyed[$this->csv_all_fields[$key]]=$val;??
????}
????$this->csv_data_all[] = $this->csv_data_keyed;
???}
???$count++;
??}
??reset($this->csv_array);
??$this->dmsg("finished creating initial data array", 2);
??$this->convert_array_to_mysql_keys();
?}
?function convert_array_to_mysql_keys(){
??reset($this->csv_data_all);
??$this->dmsg("creating keyed data array", 2);
??//loop through all specified fields - create new array keyed on the specified aliases.
??reset($this->csv_data_all);
??while(list($foo,$data)=each($this->csv_data_all)){
???foreach($this->csv_fields as $key=>$field){
????$this->tmp_array[$field] = $data[$key];
???}
???$this->mysql_array[] = $this->tmp_array;
??}
??reset($this->csv_data_all);?
?}
?var $sql;
?var $result;?
?var $tbl_structure;
?var $mysqlFields = array();
?//specify database table to insert into.....
?function specify_table($table){
??$this->table = $table;?
??$this->dmsg("looking at database table $table", 2);
??$this->sql = "desc? $this->table";
??$this->result = mysql_query($this->sql, $this->mysql_link) or die(mysql_error());
??while($rows = mysql_fetch_array($this->result, MYSQL_ASSOC)){
???$this->tbl_structure[] = $rows;?
???$this->mysqlFields[] = $rows['Field'];
??}
??$this->dmsg("finished looking at table $table", 2);
?}
?//adds a static alias - if you always want field "foobar" to say "hello" then add_static_alias("foobar", "hello"); will do this for every row
?function add_static_alias($field, $value){
??$this->add_db_instruction($field, $value);
?}
?//add an sql instruction for a particular field
?function add_db_instruction($field, $sql, $key=""){
??$instruct['field'] = $field;
??$instruct['sql'] = $sql;
??$instruct['select_key'] = $key;
??$this->instructions[]=$instruct;
??$this->dmsg("added db instruction or static alias for $field", 2);
??$this->set_resetProgress();
?}
?function add_function_instruction($field, $functionname, $args){
??$instruct['field'] = $field;
??$instruct['function_name'] = $functionname;
??$instruct['args'] = $args;
??$this->instruct_functions[] = $instruct;
?
??$this->dmsg("added function instruction for $field", 2);
??$this->set_resetProgress();
?}
?//execute function instructions
?var $call;
?function get_function_instruction_values(){
??$this->progress_guess();
??$this->dmsg("calculating values for function instructions", 2);
??reset($this->mysql_array);
??while(list($key,$element)=each($this->mysql_array)){
???
???foreach($this->instruct_functions as $function){
????$this->call = "$function_result = ".$function['function_name'];
????//split the arguments up to calculate values...
????$args = explode(",", $function['args']);
????$arg_call = "";
????$num_args = count($args)-1;
????$count=0;
????//get the arg values
????foreach($args as $arg){
?????$arg = trim($arg);
?????$arg_call.=""".$element[$arg].""";
?????if($count??????$arg_call .= ",";
?????}
?????$count++;
????}
??
????//add arg values to end of function
????$this->call.="(".$arg_call.");";
????//eval the created function call - variable function_result populated with return value
????//die($this->call);
????$this->dmsg("Run function instruction : $this->call", 4);
????$this->show_progress_meter();
????eval($this->call);
????//add the value to the mysql_array
????$this->mysql_array[$key][$function['field']] = $function_result;
???}?
??}
??reset($this->mysql_array);
?}
?//execute db instructions
?var $product_id;
?function get_instruction_values(){
?
??$this->dmsg("calculating values for db instructions", 2);
??
??reset($this->mysql_array);
??while(list($key,$element)=each($this->mysql_array)){
????foreach($this->instructions as $ins){
?????if(eregi("SELECT", $ins['sql'])){
???????$ins['sql'] = stripslashes($ins['sql']);
???????$this->select_key = $ins['select_key'] ;
??????
???????//if we havent yet got a value for this...
???????if(!isset($this->mysql_array[$key][$ins['field']])){
????????$this->mysql_array[$key][$ins['field']] = $this->run_sql_query($ins['sql'], $element[$this->select_key]);
???????}
?????}else{
??????$this->mysql_array[$key][$ins['field']] = $ins['sql'];
?????}
????}
???$this->show_progress_meter();
??}
??reset($this->mysql_array);
?}
?var $runsql;
?var $dbrows;
?var $dbkey;
?//not what you'd think function -- this is for evaling code - for the instructions.
?//TODO rename function to a more logical name reflecting what it does better.
?function run_sql_query($sql, $dbkey){
??$this->runsql = stripslashes($sql);
??$this->dbkey = $dbkey;
?
??//eval the code into this->runsql -
??//this makes the dbkey get populated with a value instead of being a string?
??eval("$this->runsql = "$this->runsql";");
??$this->dmsg("running sql query..$this->runsql", 4);
??//run query and return result
??$this->result = mysql_query($this->runsql, $this->mysql_link) or die(mysql_error());
??while($rows = mysql_fetch_array($this->result, MYSQL_ASSOC)){
???$this->dbrows = $rows['result'];?
???$this->dmsg("$this->runsql returns: $this->dbrows", 4);
??}
???$this->dmsg("$this->runsql returns: $this->dbrows", 4);
??
??return($this->dbrows);
?}
?//connect to the database
?function db_connect($host, $user, $pass, $db){
??$this->dmsg("connecting to database", 2);
??$this->mysql_link = mysql_pconnect("$host", "$user", "$pass") or die(mysql_error());
??if($this->mysql_link){
???mysql_select_db($db);
??}??
?}
?var $specified_fields=array();
?var $sql_error=0;
?var $error_fields = array();
?//check that all the fields required for the table are present and correct....
?function validate_sql(){
??$this->dmsg("validating array elements to generate sql from", 1);
??reset($this->mysql_array);
??//step through elements in array, foo is an unused variable.
??while(list($foo,$this->element)=each($this->mysql_array)){
???
???//dont mind a foreach here- tiny array to play with...
???foreach($this->element as $this->field=>$val){
????//make an array of the field names that have been specified...
????if(!in_array($this->field, $this->specified_fields)){
?????$this->specified_fields[] = $this->field;
????}
???}
??}
??reset($this->mysql_array);
??//upon errors this will be true - causing die below to spring to life...
??$this->sql_error=0;?
??//loop through the tables fields - create array
??foreach?($this->tbl_structure as $this->field){
???//if the field is not in the array of specified fields and it has no default value
???// and the field in question is not a primary key- moan
???if(!in_array($this->field['Field'], $this->specified_fields)
?????&& ($this->field['Default']=="")
?????&& ($this->field['Key'] != 'PRI')
?????&& ($this->field['Extra'] != 'auto_increment')
?????&& ($this->field['NULL'] != "YES" ) ){
????$this->dmsg( "{$this->field['Field']} has no default and you have not specified a value for this field.", 1);
????$this->sql_error=1;?
????$this->error_fields[] = $this->field['Field'];
???}else{
????$this->dmsg( "{$this->field['Field']} has been verified.", 4);
???}
??}
??#IF THIS VAR IS SET THEN SOMETHING ERRORED - REPORT THIS WITH A MESSAGE.
??if($this->sql_error){
???echo $this->error_messages;
???$this->csv_data_all = array();
???if(function_exists("render_page_head")){
????echo render_page_head();
???}
???$erst="";
???foreach($this->error_fields as $f){
????$erst.="Field ".$f." has no default
";
???}
???die("n$erst Please specify values for the missing fields please add definitions for these fields.");
??}
?}
?
?var $element;
?var $output_sql;
?var $insert_into;
?var $values;
?var $all_values = array();
?var?$insert_line;
?function create_sql($show=0){
??//check all array elements are present and correct...
??$this->validate_sql();
??$this->dmsg("creating sql", 1);
#TODO: THIS IS NOT VERY CLEVER MEMORY MANAGEMENT - IT WOULD BE BETTER NOT TO CREATE
# EACH VALUE LINE AND SAVE IN AN ARRAY - IF THERE ARE 10,000 RECORDS THIS WILL KILL
# PHP AND THE LINUXBOX - LOCKUP COMPLETELY ALT+SYSREQ+S+U+B TO RECOVER MACHINE!!!!
# OUTPUTTING EACH LINE AS IT WAS CREATED WOULD BE MUCH LESS PROCESSOR INTENSIVE.
?
??$this->values = "";
??//loop through each row to be entered
??reset($this->mysql_array);
??$this->all_values = array();
??while(list($foobar,$this->element)=each($this->mysql_array)){
???//loop through each field name and value
???$num=count($this->element)-1;
???$x=0;
????//blank data
????$this->insert_into = "";
????$this->values = "(";
???foreach($this->element as $field=>$val){
????//do not include temporary fields - these can be used for the function fields
????if(!ereg("^TMP__", $field )){
?????$val = str_replace(""e;", """, $val);
?????$val = str_replace(",", ",", $val);
?????$val = str_replace("&appos;", "'", $val);
??????$this->insert_into .= $field." ";
??????$this->values .= "'$val' ";
??????if($x???????//capture field names
???????$this->insert_into.=",";
???????$this->values .= ", ";
??????}
????}
????$x++;?
???}?
???$this->values .= ")";
???$this->all_values[] = $this->values;
?
??}
?
??//create insert line of the sql
??$this->insert_line = "REPLACE INTO $this->table ( $this->insert_into ) VALUESn ";
??$this->output_sql = $this->insert_line;
??$num=count($this->all_values)-1;
??$x=0;
??$i=1;
??//loop through the list of VALUES "(bla,bla,bla)" in array adding each to sql
??//when vals_per_insert is reached close sql statement and add another insert line
??reset($this->all_values);
??while(list($foo,$v)=each($this->all_values)){?
???//only add specified number of values per insert statement (vals_per_insert)
???if($i== $this->vals_per_insert){
????$this->output_sql .= $v.";nn".$this->insert_line;
????$i=1;?
???}?
???else{?
????$this->output_sql .= " $v ";
????if($x?????$this->output_sql .= ",n";
????}
???}
???$x++;
???$i++;
??}
??reset($this->all_values);
??reset($this->mysql_array);
??//finish the sql statement
??$this->output_sql .= ";";
??if($show){
???echo "n##########################################################n";
???echo "# SQL Created by Csv2MySQL.1.1.inc n";
???echo "# CyBeRtIlL LeGaCy ImPoRtAtIoN ToOl n";
???echo "# ".date("D d-m-Y H:i:s", time())."n";
???echo "# CSV File: $this->csv_file n";
???echo "##########################################################n";
???echo "nn".$this->output_sql."n";
??}
??else{
???return($this->output_sql);
??}
?}
?var $keys;
?//just a little debugging function
?function show_definitions($tbl=1, $return=0){
??if(!$tbl){
???ds($this->mysql_array);
?
???#BELOW ARE JUST SOME MORE OPTIONAL DUMPS FOR DEBUGGING
???//ds($this->csv_fields);
???//ds($this->csv_data_all);
???//ds($this->tbl_structure);
???//ds($this->instructions);
???//echo nl2br($this->output_sql);
??}else{
???if(!$return){
????#DEBUG JARGON - "FOR THOSE THAT KNOW" ;)
?????echo "
";<br>?????$d=new display($this->csv_data_all);<br>?????$d->make_layout(1);<br>?????$d=new display($this->mysql_array);<br>?????$d->make_layout(1);<p>?????#OPTIONAL DEBUG DUMPS<br>?????//$d=new display($this->instructions);<br>?????//$d->make_layout(1);<br>?????//$d=new display($this->instruct_functions);<br>?????//$d->make_layout(1);<br>?????//$d=new display($this->tbl_structure);<br>?????//$d->make_layout(1);<br>?????//echo nl2br($this->output_sql);<br>?????echo "</p>";
???}else{
????#RETURN DATA TO FUNCTION CALLER...?
????//get the array keys?
????$keys = array_keys($this->mysql_array[0]);
????$this->keys = $keys;?
????//go through keys - grab 5 rows from big array - this is to display
????//to the user what they are doing while adding functions etc. - without
????//taking up potentially 1000's of lines...
????foreach($keys as $key){
?????$x=0;
?????while($x??????$sample[$x][$key] = $this->mysql_array[$x][$key];
??????$x++;
?????}
????}
????$d=new display($sample);
????$string = $d->make_layout(0);
????return("
".$string."");
???}
??}
?}
?function return_csv_fields(){
??return($this->csvFields);
?}
?
?function return_mysql_fields(){
??return($this->mysqlFields);
?}
?function return_mysql_key_fields(){
??//return(array_keys($this->mysql_array[0]));
??return($this->keys);
?}
}
?
?>
?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? htmltablecreation.inc?????????????????????????????????????????????????????????????????????????????? 0100400 0177776 0177776 00000013216 07561045034 015071? 0??????????????????????????????????????????????????????????????????????????????????????????????????? ustar?? nobody????????????????????????? nogroup???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
//////// sample array to pass to class //////////
/*
$stuff = array("0" => array(
????? ????? "product_id" => "00001",
????? ????? "actual_unit_cost"? => "99.99",
????? ????? "retail_unit_cost" => "124.99",
????? ????? "quantity"?? => "5"
????? ???? ),
????? "1" => array(
????? ????? "product_id" => "00002",
????? ????? "actual_unit_cost" => "699.99",
????? ????? "retail_unit_cost" => "750.00",
????? ????? "quantity"?? => "3"????? ??
????? ??? )
????? );
*/
class display {
?var $widths = array();
?var $biggest = array();
?var $data = array();
?var $dis;
?var $divider;
?var $rows;
?var $emptyset=FALSE;
?var $write; //echo the output
?var $ascii_output;
?var $finalhtmltable;
?var $stylesheet;
?
?var $borderwidth = 0;
?var $bordercolor = "#000000";
?var $cellpadding = 2;
?var $cellspacing = 1;
?
?function calculate_widths($array){
??if(empty($array)){
???//check that there is some data to display
???$this->emptyset=TRUE;
???return(false);
??}
??//loop through each row
??$this->data = $array;
??$x=0;
??if(is_array($array)){
???foreach($array as $a){
????while(list($key, $val) = each($a)){
??????$this->widths[$x][$key] = strlen($val);
????}
????++$x;
???}
??}
??$this->biggest = $this->get_longest_only();
??return($this->widths);
?}
?function get_longest_only(){
??$x=0;
??$array = $this->widths;
??foreach($array as $a){
???while(list($key, $val) = each($a)){
?????if($val > $this->biggest[$key] || empty($this->biggest[$key])){?
??????$this->biggest[$key] = $val;
?????}
?????if(strlen($key) > $this->biggest[$key]){
??????$this->biggest[$key] = strlen($key);
?????}
???}
???++$x;
??}
??return($this->biggest);
?}?
?function make_layout($write=1){
??$this->write = $write;
??if($this->emptyset){
???return("Empty set (0.00 hehehe)n");
??}
???$first="+";?
???while(list($key, $val) = each($this->biggest)){
???$dis.="+";
????for($x=0;$xbiggest[$key];$x++){
?????$first .= "-";
????}
????$first.="+";
????$s="|".ucwords(str_replace("_", " ",$key));
????if(strlen($s)biggest[$key]){
?????for($x=strlen($s);$xbiggest[$key];$x++){
??????$s.=" ";
?????}
????}
????$second.=$s;
???}
??$this->divider = $first;
??$re = $first."n".$second."|n".$first."n";
??$re.=$rows;?
??$this->rows = $this->make_body();
??$re.=$this->rows;
??if($this->write){
???//write the output to the webpage
???//echo "
".$re."";
???echo "".$re."";
??}
??$this->ascii_out = $re;
??return($re);
?}
?function create_stylesheet($bg="ededed", $fontcol="000000", $fontsize="x-small", $bg2="444444", $fontcol2="ffffff", $fontsize2="x-small"){
??$this->stylesheet = "
???";
?}
?function make_body(){
??if(is_array($this->data)){
???foreach($this->data as $row){?
????while(list($key, $val)=each($row)){
????if(is_array($val)){
?????$out[0]=$val;
?????$tr = new display($out);
?????$tr->make_layout(0);
?????$tr->set_borderwidth($this->borderwidth);
?????$tr->set_cellpadding($this->cellpadding);
?????$tr->set_cellspacing($this->cellspacing);
?????$tr->set_bordercolor($this->bordercolor);??
?????$val = "
".$tr->make_html_table()." |
????}
?????$r .= "|".$val;
?????if(strlen($val)biggest[$key]){
??????for($x=strlen($val);$x biggest[$key]; $x++){?
???????$r.=" ";
??????}
?????}
????}
????$r.="|n";
???}?
??}?
??$r.=$this->divider."n";
??return($r);?
?}
?function get_divider(){
??return($this->divider);
?}
?
?function display($stuff){
???//constructor function
???$this->widths = $this->calculate_widths($stuff);
?}
?function set_borderwidth($wid){
??$this->borderwidth = $wid;
?}
?function set_cellpadding($pad){
??$this->cellpadding=$pad;
?}
?
?function set_cellspacing($spac){
??$this->cellspacing=$spac;
?}
?function set_bordercolor($col){
??$this->bordercolor=$col;
?}
?function make_html_table(){
??//converts ascii display into a proper html table
??$text = $this->ascii_out;???
??$rows = explode("n", $text);
??$x=0;
??foreach($rows as $row){
???$last = strlen($row);
???$class = "column-data";?
???if($x==1){?
????$class = "table-header";
???}
???if(!ereg("^+-*", $row) && strlen($row)>0){
????$row = "
????$row .= "
????$row = str_replace("+", "
????$row = str_replace("|", "
????$row = str_replace("
????$row = str_replace("
????$htmloutput.=$row;
???}
???$x++;
??}
??$style = $this->stylesheet;
??$htmloutput = $style."n
??$this->finalhtmltable = $htmloutput;
??return($htmloutput);?
?}
?function returnhtml(){
??return($this->finalhtmltable);
?}
?function parsehtml(){
??echo $this->finalhtmltable;
?}
}
???
??
//$t = new display($stuff);
//$t->make_layout(0);
//echo $t->make_html_table();
/*
$d = new display($stuff);
$d->make_layout(0);
$d->set_borderwidth(0);
$d->set_cellspacing(1);
$d->set_cellpadding(2);
$d->make_html_table();
$d->parsehtml();
*/
?>

熱AI工具

Undress AI Tool
免費脫衣服圖片

Undresser.AI Undress
人工智能驅(qū)動的應(yīng)用程序,用于創(chuàng)建逼真的裸體照片

AI Clothes Remover
用于從照片中去除衣服的在線人工智能工具。

Clothoff.io
AI脫衣機

Video Face Swap
使用我們完全免費的人工智能換臉工具輕松在任何視頻中換臉!

熱門文章

熱工具

記事本++7.3.1
好用且免費的代碼編輯器

SublimeText3漢化版
中文版,非常好用

禪工作室 13.0.1
功能強大的PHP集成開發(fā)環(huán)境

Dreamweaver CS6
視覺化網(wǎng)頁開發(fā)工具

SublimeText3 Mac版
神級代碼編輯軟件(SublimeText3)

PHPhasthreecommentstyles://,#forsingle-lineand/.../formulti-line.Usecommentstoexplainwhycodeexists,notwhatitdoes.MarkTODO/FIXMEitemsanddisablecodetemporarilyduringdebugging.Avoidover-commentingsimplelogic.Writeconcise,grammaticallycorrectcommentsandu

insetTingUpmysqltables,選擇theStherightDatatatPesisionCrucialForeffifeffifeffifeffificeFifeffifeFrifeFifeScalible

安裝PHP在Windows上的關(guān)鍵步驟包括:1.下載合適的PHP版本并解壓,推薦使用ThreadSafe版本配合Apache或NonThreadSafe版本配合Nginx;2.配置php.ini文件,將php.ini-development或php.ini-production重命名為php.ini;3.將PHP路徑添加到系統(tǒng)環(huán)境變量Path中以便命令行使用;4.測試PHP是否安裝成功,通過命令行執(zhí)行php-v和運行內(nèi)置服務(wù)器測試解析能力;5.若使用Apache,需在httpd.conf中配置P

MySQL半同步復(fù)制設(shè)置步驟如下:1.確認(rèn)版本支持并加載插件;2.開啟并啟用半同步模式;3.檢查狀態(tài)和運行情況;4.注意超時設(shè)置、多從庫配置及主從切換處理。需確保MySQL5.5及以上版本,安裝rpl_semi_sync_master和rpl_semi_sync_slave插件,分別在主從庫啟用對應(yīng)參數(shù),并在my.cnf中配置自動加載,設(shè)置完成后重啟服務(wù),通過SHOWSTATUS檢查狀態(tài),合理調(diào)整超時時間并監(jiān)控插件運行情況。

MySQL報錯“incorrectstringvalueforcolumn”通常是因為字段字符集不支持四字節(jié)字符如emoji。1.錯誤原因:MySQL的utf8字符集僅支持三字節(jié)字符,無法存儲四字節(jié)的emoji;2.解決方法:將數(shù)據(jù)庫、表、字段及連接統(tǒng)一改為utf8mb4字符集;3.還需檢查:配置文件、臨時表、應(yīng)用層編碼及客戶端驅(qū)動是否均支持utf8mb4;4.替代方案:若無需支持四字節(jié)字符,可在應(yīng)用層過濾emoji等特殊字符。

PHP的基礎(chǔ)語法包括四個關(guān)鍵點:1.PHP標(biāo)簽必須使用結(jié)束,推薦使用完整標(biāo)簽;2.輸出內(nèi)容常用echo和print,其中echo支持多參數(shù)且效率更高;3.注釋方式有//、#和//,用于提升代碼可讀性;4.每條語句必須以分號結(jié)尾,空格和換行不影響執(zhí)行但影響可讀性。掌握這些基本規(guī)則有助于寫出清晰穩(wěn)定的PHP代碼。

寫Python的ifelse語句關(guān)鍵在于理解邏輯結(jié)構(gòu)與細(xì)節(jié)。1.基礎(chǔ)結(jié)構(gòu)是if條件成立執(zhí)行一段代碼,否則執(zhí)行else部分,else可選;2.多條件判斷用elif實現(xiàn),順序執(zhí)行且一旦滿足即停止;3.嵌套if用于進(jìn)一步細(xì)分判斷,建議不超過兩層;4.簡潔場景可用三元表達(dá)式替代簡單ifelse。注意縮進(jìn)、條件順序及邏輯完整性,才能寫出清晰穩(wěn)定的判斷代碼。

在Ubuntu上安裝PHP8的步驟為:1.更新軟件包列表;2.安裝PHP8及基礎(chǔ)組件;3.檢查版本確認(rèn)安裝成功;4.按需安裝額外模塊。Windows用戶可下載ZIP包并解壓,隨后修改配置文件、啟用擴展并將路徑加入環(huán)境變量。macOS用戶推薦使用Homebrew安裝,依次執(zhí)行添加tap、安裝PHP8、設(shè)置默認(rèn)版本及驗證版本等步驟。不同系統(tǒng)下安裝方式雖有差異,但流程清晰,根據(jù)用途選對方法即可。
