в 10:37, 26 мая 2010

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2010-05-26T07:07:34Z

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==Counting the Occurrences of a Substring==



<source lang="html4strict">

<?php
$counter = substr_count ("Hello World!","o");
echo "There are " . $counter . " instance (s) of \"o\" in Hello World!.";
?>

</source>

==substr_count() function returns the number of times substring occurs in string.==



<source lang="html4strict">

Its syntax is: int substr_count (string string, string substring)
<?
$tng_twist = "The rain";
$count = substr_count($tng_twist, "ain");
print $count;
?>

</source>

==substr_count.php==



<source lang="html4strict">

<?php
$buzzwords = array("this", "is", "test");
$talk = <<< talk
this is a test. this is a test. this is a test. this is a test. this is a test. this is a test.
this is a test. this is a test. this is a test. this is a test. this is a test. this is a test.
this is a test. this is a test. this is a test. this is a test. this is a test. this is a test.
talk;
foreach($buzzwords as $bw) {
echo "The word $bw appears ".substr_count($talk,$bw)." time(s).<br />";
}
?>

</source>

==Testing for Substrings==



<source lang="html4strict">

<?php
$counter = substr_count ("Hello World!","o");
echo "There are " . $counter . " instance (s) of \"o\" in Hello World!.";
?>
<?php
$theclientstext = "Hello, how are you today? I am fine!";
if (strlen ($theclientstext) >= 30){
echo substr ($theclientstext,0,29);
} else {
echo $theclientstext;
}
?>

</source>

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в 10:37, 26 мая 2010

Admin: 1 версия