Foobar - Usage in Code

Usage in Code

The terms are very often used in programming examples, much like the Hello World program is commonly used as an introduction. For example, foo and bar might be used to illustrate a simple string concatenation:

/* C code */ #include int main { char *foo = "Hello"; char *bar = "World!"; printf("%s %s\n", foo, bar); return 0; } /* PHP code */ $foo = 'Hello'; $bar = array($foo, ' ', 'world', '!'); echo implode('', $bar);

Additional examples of the use of foo and bar in code are given in the entry on metasyntactic variables.

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