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Ds\Set::first(PECL ds >= 1.0.0) Ds\Set::first — Returns the first value in the set Description
public void Ds\Set::first
( void
)
Returns the first value in the set. ParametersThis function has no parameters. Return ValuesThe first value in the set. Errors/ExceptionsUnderflowException if empty. ExamplesExample #1 Ds\Set::first() example
<?php The above example will output something similar to: int(1) |
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