Why do I Get a Blank Output When echoing $variable?
789
How do I set a user environment variable? (permanently, not session)
120372
How to typeset $:=$ correctly?
101925
Why does do_action pass a blank string as the first parameter if no $arg is set?
56105
Problems executing a condition in php
35426
Why does echo $$ return a number?
19369
How can I use $variable in a shell brace expansion of a sequence?
17496
Pass a PHP string to a JavaScript variable (and escape newlines)
111133
Difference between 'ls' and 'echo $(ls)'
16899
$post->ID not working
108661
In php, is 0 treated as empty?
32293
What's the difference between if(!$variable) and if(isset($variable))?
88938
What is the best way to echo results from the database into html code in PHP?
88588
php $_GET and undefined index
130385
How to make the say command echo a variable value in a script?
47400
How are echo and print different in PHP?
38430
In PHP, what does the ${$ } syntax do?
146357
Can I echo a variable with single quotes?