For more about this example, check out the PHP Tutorial.
PHP Source: loadstrings.php.txt
Data file: saved.txt
Sample queries:
http://www.learningprocessing.com/php/loadstrings.php?type=clear
http://www.learningprocessing.com/php/loadstrings.php?type=load
http://www.learningprocessing.com/php/loadstrings.php?type=save&x=150&y=32
To run this example on your own server, you may need to set your file permissions for the text file to world readable and writable (chmod 777 filename.txt).
Thank you to Shawn Van Every, this example is based on code from his quick and dirty PHP tutorial.
// Learning Processing
// http://www.learningprocessing.com
// Daniel Shiffman
// Example demonstrating how to use PHP for persistence
// Goes along with PHP tutorial
// http://www.learningprocessing.com/tutorials/php/
void setup() {
size(600,200);
background(255);
smooth();
loadData();
}
void draw() {
noLoop();
}
void mousePressed() {
String[] lines = loadStrings("http://www.learningprocessing.com/php/loadstrings.php?type=save&x=" + mouseX + "&y="+mouseY);
println(lines[0]);
loadData();
redraw();
}
void keyPressed() {
String[] lines = loadStrings("http://www.learningprocessing.com/php/loadstrings.php?type=clear");
println(lines[0]);
loadData();
redraw();
}
void loadData() {
background(255);
String[] lines = loadStrings("http://www.learningprocessing.com/php/loadstrings.php?type=load");
beginShape();
stroke(0);
noFill();
for (int i = 0; i < lines.length; i++) {
int[] vals = int(split(lines[i],","));
if (vals.length > 1) {
vertex(vals[0],vals[1]);
}
}
endShape(CLOSE);
for (int i = 0; i < lines.length; i++) {
int[] vals = int(split(lines[i],","));
if (vals.length > 1) {
rectMode(CENTER);
stroke(0);
fill(175);
rect(vals[0],vals[1],10,10);
}
}
}