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@ 2018-04-10T14:13:43Z

<?php

$post_tags = "php|sql";
if($tags = explode("|", $post_tags) > 5){
    echo "the numer of tags is more that 5";
}

Output
Performance
VLD
References
Branches

explode: documentation ( source)

preferences:dark modelive previewkey bindings

47.6 ms | 1929 KiB | 5 Q