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Example code of perryflynn/perrys-lambda

Informations about the package perrys-lambda

This project tries to implement C# .NET lambda expressions in PHP.

Build Status Coverage Status

Status

In development, semi-stable API.

Composer

Packagegist

Features

Lambda methods

Method Description
*OrDefault Define return value if expression has no hit, available for many methods
first Get the first record
last Get the last record
single Get the single record, if count!=0, throw exception
take Get the first X records
skip Skip the first X records
where Filter records by callable expression
whereFirst Get first record matching the callable expression
groupby Group records by callable expression
distrinct Eliminate duplicate records bei callable expression
intersect Returns the intersection of two ArrayList's
except Returns the bidirectional diffrence of two ArrayList's
any Returns true if callable expression returns at least one record true
all Returns true if callable expression returns for all records true
select Get an array of the values returned by callable expression
selectMany Get an array of all values, arrays will be merged
joinString Join a string from values returned by callable expression
each Execute callable expression on each record
sum Get the sum of numberic return values from callable expression
min Get the smallest of numberic return values from callable expression
max Get the biggest of numberic return values from callable expression
avg Get the average of numberic return values from callable expression
order Start sorting, begin ascending, more possible by thenBy / thenByDesc
orderDesc Start sorting, begin descending, more possible by thenBy / thenByDesc

Basic usage

Basic usage with ObjectArray and Strings instead of callables

Deserialize / Serialize

More examples

See the unit tests

All versions of perrys-lambda with dependencies

PHP Build Version
Package Version
Requires php Version >=5.5.0
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