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--- %YAML:1.0
test: Simple In Place Substitution
brief: >
If you want to reuse an entire alias, only overwriting what is different
you can use a << in place substitution. This is not part of the official
YAML spec, but a widely implemented extension. See the following URL for
details: http://yaml.org/type/merge.html
yaml: |
foo: &foo
a: Steve
b: Clark
c: Brian
bar: &bar
<<: *foo
x: Oren
foo2: &foo2
a: Ballmer
ding: &dong [ fi, fei, fo, fam]
check:
<<:
- *foo
- *dong
isit: tested
head:
<<: [ *foo , *dong , *foo2 ]
php: |
array('foo' => array('a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian'), 'bar' => array('a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian', 'x' => 'Oren'), 'foo2' => array('a' => 'Ballmer'), 'ding' => array('fi', 'fei', 'fo', 'fam'), 'check' => array('a' => 'Steve', 'b' => 'Clark', 'c' => 'Brian', 'fi', 'fei', 'fo', 'fam', 'isit' => 'tested'), 'head' => array('a' => 'Ballmer', 'b' => 'Clark', 'c' => 'Brian', 'fi', 'fei', 'fo', 'fam'))
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