PHP/Utility Function/print
Содержание
- 1 Code Block Containing Multiple print() Statements
- 2 Interpolating array element values in double-quoted strings
- 3 Interpolating array element values with curly braces
- 4 Mix the output of date( ) with a text string to get a natural-looking statement
- 5 Mix variable with string output
- 6 Output string value
- 7 Output value of a variable wit print function
- 8 Printing a form
- 9 Using parentheses with these constructs
Code Block Containing Multiple print() Statements
<source lang="html4strict">
<html> <head><title>A Code Block Containing Multiple print() statements</title></head> <body>
<?php $display_prices = true; if ( $display_prices ) {
print "";
print "todays prices in dollars";print " | ||
| 14 | 32 | 71 | "; print "
} ?>
</body> </html>
</source>
Interpolating array element values in double-quoted strings
<source lang="html4strict">
<? $meals["breakfast"] = "A"; $meals["lunch"] = "B"; $amounts = array(3, 6); print "$meals[breakfast]"; print "$meals[lunch]. $amounts[0]"; print "$amounts[1].";
</source>
Interpolating array element values with curly braces
<source lang="html4strict">
<? $meals["A"] = "$3.95"; $hosts["www.example.ru"] = "web site"; print "{$meals["Walnut Bun"]}."; print "{$hosts["www.example.ru"]}."; ?>
</source>
Mix the output of date( ) with a text string to get a natural-looking statement
<source lang="html4strict">
print "The day yesterday was " . date("l", time( ) - 86400);
</source>
Mix variable with string output
<source lang="html4strict">
<?php
$cars = 10; print "We have $cars cars.\nprint "Now we have $cars cars!\n
"; print "We got another new car.\n
"; $cars++;
"; print "$cars++ is the same to PHP as $cars + 1."; ?> </source>
Output string value
<source lang="html4strict">
$first_name = "James"; $last_name = "Mc"; $full_name = "$first_name $last_name"; print $full_name; print strlen($full_name);
</source>
Output value of a variable wit print function
<source lang="html4strict">
$total = 123.123; print "Total cost of the meal is \$$total";
</source>
Printing a form
<source lang="html4strict">
<?php
print <<<_HTML_
<form method="post" action="$_SERVER[PHP_SELF]">
Your Name: <input type="text" name="user">
<input type="submit" value="Say Hello">
</form>
_HTML_;
?>
</source>
Using parentheses with these constructs
<source lang="html4strict">
<?php
print("Hello!");
?>
</source>
