wfArrayFilterTest.php

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<?php
 
class WfArrayFilterTest extends \PHPUnit\Framework\TestCase {
    public function testWfArrayFilter() {
        $arr = [ 'a' => 1, 'b' => 2, 'c' => 3 ];
        $filtered = wfArrayFilter( $arr, function ( $val, $key ) {
            return $key !== 'b';
        } );
        $this->assertSame( [ 'a' => 1, 'c' => 3 ], $filtered );
 
        $arr = [ 'a' => 1, 'b' => 2, 'c' => 3 ];
        $filtered = wfArrayFilter( $arr, function ( $val, $key ) {
            return $val !== 2;
        } );
        $this->assertSame( [ 'a' => 1, 'c' => 3 ], $filtered );
 
        $arr = [ 'a', 'b', 'c' ];
        $filtered = wfArrayFilter( $arr, function ( $val, $key ) {
            return $key !== 0;
        } );
        $this->assertSame( [ 1 => 'b',  2 => 'c' ], $filtered );
    }
 
    public function testWfArrayFilterByKey() {
        $arr = [ 'a' => 1, 'b' => 2, 'c' => 3 ];
        $filtered = wfArrayFilterByKey( $arr, function ( $key ) {
            return $key !== 'b';
        } );
        $this->assertSame( [ 'a' => 1, 'c' => 3 ], $filtered );
 
        $arr = [ 'a', 'b', 'c' ];
        $filtered = wfArrayFilterByKey( $arr, function ( $key ) {
            return $key !== 0;
        } );
        $this->assertSame( [ 1 => 'b',  2 => 'c' ], $filtered );
    }
}