(PHP 4 >= 4.0.2, PHP 5, PHP 7)
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$str
[, int $width
= 75
[, string $break
= "\n"
[, bool $cut
= FALSE
]]] ) : string使锟斤拷锟街凤拷锟斤拷锟较点将锟街凤拷锟斤拷锟斤拷锟轿革拷锟斤拷锟斤拷锟斤拷锟斤拷执锟斤拷锟�
str
锟斤拷锟斤拷锟街凤拷锟斤拷锟斤拷
width
锟叫匡拷取锟�
break
使锟矫匡拷选锟斤拷 break
锟斤拷锟斤拷锟斤拷锟斤拷址锟斤拷锟斤拷锟�
cut
锟斤拷锟� cut
锟斤拷锟斤拷为 TRUE
锟斤拷锟街凤拷锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷 width
锟斤拷锟斤拷之前位锟矫憋拷锟斤拷稀锟斤拷锟剿o拷锟斤拷锟斤拷械牡锟斤拷士锟饺筹拷锟斤拷锟剿革拷锟斤拷锟侥匡拷龋锟斤拷锟斤拷锟斤拷锟斤拷指锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷渭锟斤拷诙锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷锟斤拷 FALSE
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷指畹ワ拷剩锟斤拷锟斤拷锟� width
小锟节碉拷锟绞匡拷取锟�
锟斤拷锟截达拷虾锟斤拷锟街凤拷锟斤拷锟斤拷
Example #1 wordwrap() 锟斤拷锟斤拷
<?php
$text = "The quick brown fox jumped over the lazy dog.";
$newtext = wordwrap($text, 20, "<br />\n");
echo $newtext;
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
The quick brown fox<br /> jumped over the lazy<br /> dog.
Example #2 wordwrap() 锟斤拷锟斤拷
<?php
$text = "A very long woooooooooooord.";
$newtext = wordwrap($text, 8, "\n", true);
echo "$newtext\n";
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
A very long wooooooo ooooord.
Example #3 wordwrap() 锟斤拷锟斤拷
<?php
$text = "A very long woooooooooooooooooord. and something";
$newtext = wordwrap($text, 8, "\n", false);
echo "$newtext\n";
?>
锟斤拷锟斤拷锟斤拷锟教伙拷锟斤拷锟斤拷锟�
A very long woooooooooooooooooord. and something