<?php
 
$s = "acesta este un text";
$sir = "stiu PHP stiu HTML stiu CSS";
 
# impart sirul dupa un caracter (sau regex)
$output1 = split( " ", $s ); // impart dupa spatiu
print_r($output1);
 
# impart sirul dupa un cuvant (sau un alt sir) - nu regex sau caracter
$output2 = explode( "stiu ", $sir ); // impart dupa stiu<spatiu>
print_r($output2);
 
# operatia inversa impartirii unui sir:
$a = implode( 'invat ', $output2 ); // invat PHP invat HTML invat CSS
$b = join( ' ', $output1 ); // acesta este un text
echo $a, "\n", $b;
 
?>

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