Θα δείξουμε πως χρησιμοποιείται μια χρήσιμη συνάρτηση str_replace() με παραδείγματα.
Example #1 Basic str_replace() examples
Example #1 Basic str_replace() examples
<?php// Provides: <body text='black'>$bodytag = str_replace("%body%", "black", "<body text='%body%'>");
// Provides: Hll Wrld f PHP$vowels = array("a", "e", "i", "o", "u", "A", "E", "I", "O", "U");$onlyconsonants = str_replace($vowels, "", "Hello World of PHP");
// Provides: You should eat pizza, beer, and ice cream every day$phrase = "You should eat fruits, vegetables, and fiber every day.";$healthy = array("fruits", "vegetables", "fiber");$yummy = array("pizza", "beer", "ice cream");
$newphrase = str_replace($healthy, $yummy, $phrase);
// Provides: 2$str = str_replace("ll", "", "good golly miss molly!", $count);
echo $count;?>
Example #2 Examples of potential str_replace() gotchas
<?php// Order of replacement$str = "Line 1\nLine 2\rLine 3\r\nLine 4\n";$order = array("\r\n", "\n", "\r");$replace = '<br />';
// Processes \r\n's first so they aren't converted twice.$newstr = str_replace($order, $replace, $str);
// Outputs F because A is replaced with B, then B is replaced with C, and so on...
// Finally E is replaced with F, because of left to right replacements.$search = array('A', 'B', 'C', 'D', 'E');$replace = array('B', 'C', 'D', 'E', 'F');$subject = 'A';
echo str_replace($search, $replace, $subject);
// Outputs: apearpearle pear
// For the same reason mentioned above$letters = array('a', 'p');$fruit = array('apple', 'pear');$text = 'a p';$output = str_replace($letters, $fruit, $text);
echo $output;?>
ΠΗΓΗ: http://php.net/manual/en/function.str-replace.php
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