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@ 2020-07-16T06:39:47Z

<?php

    $ar = ['value1', 'value2', 'no_vlue_here', 'and_here'];
    $filtered = preg_grep('/^value/', $ar);
    echo count($filtered);

Output
Performance
VLD
References
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preg_grep: documentation ( source)

preferences:dark modelive previewkey bindings

35.2 ms | 1468 KiB | 5 Q