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@ 2015-04-23T01:30:52Z

<?php

namespace Collections;

interface Collection extends \Traversable {

    /**
     * @return bool
     */
    function isEmpty();


    /**
     * @param callable $map
     * @return Collection
     */
    function map(callable $map);


    /**
     * @param callable $filter
     * @return Collection
     */
    function filter(callable $filter);


    /**
     * @param int $n
     * @return Collection
     */
    function limit($n);


    /**
     * @param $initialValue
     * @param callable $combine
     * @return mixed
     */
    function reduce($initialValue, callable $combine);


    /**
     * @param int $n
     * @return Collection
     */
    function skip($n);


    /**
     * @param int $start
     * @param int $count
     * @return Collection
     */
    function slice($start, $count);


    /**
     * Note that if you attempt to use keys that are not valid as a PHP array key then you will get errors.
     * @return array
     */
    function toArray();


    /**
     * @return Collection containing the keys as the values
     */
    function keys();


    /**
     * @return Collection containing the values but ignores keys
     */
    function values();

}

Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17: Parse error: syntax error, unexpected T_STRING in /in/gam5K on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5: Parse error: parse error, unexpected T_STRING in /in/gam5K on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error in /in/gam5K on line 3
Process exited with code 255.

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