PHP/String/str replace
Содержание
- 1 case-sensitive?
- 2 mixed str_replace ( mixed needle, mixed replace, mixed haystack [, int &count] )
- 3 Replacing Substrings Using str_replace()
- 4 Replacing Tabs with Spaces
- 5 str_replace() accepts arrays for all its arguments
- 6 str_replace demo
- 7 str_replace() function searches for occurrence in string, replacing all instances with replacement.
- 8 str_replace.php
- 9 Switching tabs and spaces
- 10 Using str_replace()
- 11 Using template file
- 12 {headline}
case-sensitive?
<source lang="html4strict">
<?
$string = "this is a test";
$newstring = str_replace("test", "TEST", $string);
print $newstring;
?>
</source>
mixed str_replace ( mixed needle, mixed replace, mixed haystack [, int &count] )
<source lang="html4strict">
<?
$string = "this is a test";
$newstring = str_replace("is", "is not", $string);
print $newstring;
?>
</source>
Replacing Substrings Using str_replace()
<source lang="html4strict">
str_replace() replaces all instances of a string within another string.
<?php
$string = "Site contents copyright 2003.";
$string .= "The 2003 Guide";
print str_replace("2003","2004",$string);
?>
</source>
Replacing Tabs with Spaces
<source lang="html4strict">
<?php $str = " \tline \t\tline \t\t\tline \t\t} \t} "; $replaced = str_replace("\t", " ", $str);
echo "{$replaced}";
?>
</source>
str_replace() accepts arrays for all its arguments
<source lang="html4strict">
<?php $source = array("a","b" ); $search = array( "a", "2000" ); $replace = array ( "b", "2001" ); $source = str_replace( $search, $replace, $source ); foreach ( $source as $str )
print "$str
";
?>
</source>
str_replace demo
<source lang="html4strict">
<?php
$haystack = "this is a test";
$newstr = str_replace ("is", "is not", $haystack);
echo "$newstr\n";
?>
</source>
str_replace() function searches for occurrence in string, replacing all instances with replacement.
<source lang="html4strict">
Its syntax is: string str_replace (string occurrence, string replacement, string string) <? $favorite_food = "ice, cream, chicken wings"; $favorite_food = str_replace("chicken wings", "pizza", $favorite_food); ?>
</source>
str_replace.php
<source lang="html4strict">
<?php
$author = "jason@example.ru";
$author = str_replace("@","(at)",$author);
echo "Contact $author.";
?>
</source>
Switching tabs and spaces
<source lang="html4strict">
<?php $tabbed = str_replace(" ","\t","this is a test"); $spaced = str_replace("\t"," ","this is a test");
print "With Tabs:$tabbed"; print "With Spaces:
$spaced";
?>
</source>
Using str_replace()
<source lang="html4strict">
<? print str_replace("{class}",$my_class,
"A
B");
?>
</source>
Using template file
<source lang="html4strict">
<html> <head><title>{title}</title></head> <body>
{headline}
By {byline}
{article}
Page generated: {date}
</body> </html> //////////////////////// <?php $page = file_get_contents("article.html"); if ($page === false) {
die("Can"t read article.html: $php_errormsg");
} $vars = array("{title}" => "A",
"{headline}" => "B",
"{byline}" => "C",
"{article}" => "D
", "{date}" => date("l, F j, Y"));
foreach ($vars as $field => $new_value) {
$page = str_replace($field, $new_value, $page);
} $result = file_put_contents("dog-article.html", $page); if (($result === false) || ($result == -1)) {
die("Couldn"t write dog-article.html: $php_errormsg");
} ?>
</source>
