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<?php $array = array(1, "apples",2, "oranges",3, "plums"); //$filtered = array_filter( $array, "ctype_alpha"); var_dump($filtered); ?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Warning: Undefined variable $filtered in /in/nDrqe on line 5 NULL
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: filtered in /in/nDrqe on line 5 NULL
Output for 7.3.32 - 7.3.33
NULL
preferences:
214.31 ms | 401 KiB | 296 Q