<?php
$s = "acesta este un text";
$sir = "stiu PHP stiu HTML stiu CSS";
# verific daca un cuvant sau text (in cazul de fata cuvantul 'PHP') apare in
# sirul exprimat prin variabila $sir
if( strstr( $sir, 'PHP' ) !== false ) print 'gasit'; else print "nu am gasit";
print "\n";
# pentru a nu tine cont de litere mari/mici se foloseste stristr
if( stristr( $sir, 'phP' ) !== false ) print 'gasit';
?>
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