select * from table where ctime >= '[date-14]' and ctime <= '[date-1]';
$sql = sprintf($sql,$arr[0])
mixed call_user_func_array ( callable $callback , array $param_arr )
$param = $arr;
array_unshift($param,$sql);
$sql = call_user_func_array('sprintf',$param);
mixed str_replace ( mixed $search , mixed $replace , mixed $subject [, int &$count ] )
<?php
// 赋值: <body text='black'>
$bodytag = str_replace("%body%", "black", "<body text='%body%'>");
// 赋值: Hll Wrld f PHP
$vowels = array("a", "e", "i", "o", "u", "A", "E", "I", "O", "U");
$onlyconsonants = str_replace($vowels, "", "Hello World of PHP");
// 赋值: 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);
// 赋值: 2
$str = str_replace("ll", "", "good golly miss molly!", $count);
echo $count;
?>
<?php
// 替换顺序
$str = "Line 1\nLine 2\rLine 3\r\nLine 4\n";
$order = array("\r\n", "\n", "\r");
$replace = '<br />';
// 首先替换 \r\n 字符,因此它们不会被两次转换
$newstr = str_replace($order, $replace, $str);
// 输出 F ,因为 A 被 B 替换,B 又被 C 替换,以此类推...
// 由于从左到右依次替换,最终 E 被 F 替换
$search = array('A', 'B', 'C', 'D', 'E');
$replace = array('B', 'C', 'D', 'E', 'F');
$subject = 'A';
echo str_replace($search, $replace, $subject);
// 输出: apearpearle pear
// 由于上面提到的原因
$letters = array('a', 'p');
$fruit = array('apple', 'pear');
$text = 'a p';
$output = str_replace($letters, $fruit, $text);
echo $output;
?>
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