array_filter

PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8
array_filter - Filters elements of an array using a callback function
Manual
Code Examples

Example #1 array_filter example

Result: Odd : Array ( [a] => 1 [c] => 3 [e] => 5 ) Even: Array ( [0] => 6 [2] => 8 [4] => 10 [6] => 12 )
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Example #2 array_filter without <span class='function-parameter'>callback</span>

Result: Array ( [0] => foo [2] => -1 )
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Example #3 array_filter with <span class='function-parameter'>mode</span>

Result: array(1) { ["b"]=> int(2) } array(2) { ["b"]=> int(2) ["d"]=> int(4) }
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