My PHP test Sheet

By your friendly neighborhood condiment SpaceJam♨

'; print("Formatted price tag is $"); printf("%03.2f",$Amount); /// Built-in Mathematical Functions /// echo("
"); echo('round(23.319)='.round(23.319)."
"); echo('round(23.519)='.round(23.519)."
"); echo('round(23.519,1)='.round(23.519,1)); // other round like function are ceil() and floor() // for absolute value use abs() // Random Functions // srand() is the seed of rand() echo '
random:'.rand(); /// Strings /// echo("
"); print(trim(" Trim Me ")); // php has broken trim() into rtrim() and ltrim() //concatenation in php is done with dot operator $first_name = "Space"; $last_name = "Jam♨"; $full_name = "
".$first_name.$last_name; print("$full_name"); //url encode and decode $string = " value=%34:value=$3.59& Title"; echo '
'.urlencode($string); echo '
'.urldecode($string).'
'; //strtok() makes a subsection called a token // seems to make a new line echo "My name is:".strtok($full_name,"♨")."
"; echo "My jelly is ".substr($full_name,9,3); echo '
'.strlen($full_name); echo("
"); echo'isset: '.isset($full_name); echo("
"); echo isset($new_name); /* Conditionals are the same as in other languages if (condition) { statement(s); } elseif (condition) { statement(s); } else (condition) { statement(s); } switch ($variable){ case "value1": statement(s); break; case "value2": statement(s); break; default: statement(s); break; } == comparison operator while (condition) { statement(s); } */ $soup = array( "Monday" => "Clam Chowder", "Tuesday" => "White Chicken Chilli", "Wednessday" => "Vegetarian", "Thursday" => "Chicken Noodle", "Friday" => "Tomato", "Saturday" => "Cream of Broccoli" ); for ($n=0; $n < count($soup); $n++){ $line = each($soup); echo "$line[key]'s soup is $line[value].

"; } //// Sort Arrays //// # asort() sort array by values # ksort() sort array by keys # arsort() reverse sort # krsort() reverse sort with keys # shuffle() sort randomly # use reset() to put pointer back to first element //// More Array Functions //// #implode($seperator, $string) //turn array into string #explode($glue, $array) //turn string into array ?>

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