Output one or more strings
Syntax
echo ( string $arg1 [, string $... ] ) : void
echo is a language construct, not a function, so parentheses are not required.
Parameters
arg1
The parameter to output.
...
Return
No value is returned.
Examples
1
<? echo "Hello"; ?>
Hello
2
<? $arg1 = "Hello"; echo $arg1; ?>
Hello
3
<? $arg1 = 'This '; $arg2 = 'string '; $arg3 = 'was '; $arg4 = 'made '; $arg5 = 'with '; $arg6 = 'parameters, '; $arg7 = 'each '; $arg8 = 'passed '; $arg9 = 'separately.'; echo $arg1, $arg2, $arg3, $arg4, $arg5, $arg6, $arg7, $arg8, $arg9; ?>
This string was made with parameters, each passed separately.
4
<? $arg1 = 'This '; $arg2 = 'string '; $arg3 = 'was '; $arg4 = 'made '; $arg5 = 'with '; $arg6 = 'concatenation, '; $arg7 = 'all '; $arg8 = 'passed '; $arg9 = 'together.'; echo $arg1 . $arg2 . $arg3 . $arg4 . $arg5 . $arg6 . $arg7 . $arg8 . $arg9; ?>
This string was made with concatenation, all passed together.
5
<? $arg1 = 'Hello'; // invalid //($arg1) ? echo 'true' : echo 'false'; // valid echo $arg1 ? 'true' : 'false'; ?>
true
