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run code in 300+ PHP versions simultaneously
<?php $array = array(1, "apples",2, "oranges",3, "plums"); $filtered = array_filter( $array, "ctype_alpha"); var_dump($filtered); ?>
based on dCQ0t
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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 - 7.3.24, 7.4.0 - 7.4.13, 8.0.0
array(3) { [1]=> string(6) "apples" [3]=> string(7) "oranges" [5]=> string(5) "plums" }