Search in site contents by php

I use codeigniter.I want search in site contents for several word, that did existence it word in it site or no? if existence a word (of all words) in it site return is FALSE. i tried as following code but get error. How can done it?

DEMO: http://codepad.viper-7.com/rFiL01

<?php $ch = curl_init(); curl_setopt($ch, CURLOPT_URL,'stackoverflow.com'); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $contents = curl_exec($ch); curl_close($ch); $link[] = array("Questions", "Favorite", "myfoodho"); foreach($link as $val){ stristr($contents,$val); // Line 148 //if(){ // return true; //}else{ // return false; //} } ?>

Error:

A PHP Error was encountered

Severity: Warning

Message: stristr() [function.stristr]: needle is not a string or an integer

Filename: views/exchange.php

Line Number: 148

-------------Problems Reply------------

When you write

$link[] = array("Questions", "Favorite", "myfoodho");

you are creating an array that contains another array, that is:

array(
0 => array(
"Questions",
"Favorite",
"myfoodho"
)
)

In the foreach loop you're just going through the outer array and therefore $val contains the inner array, not the string values.

The solution is to remove the brackets and just assign the array to the variable.

$link = array("Questions", "Favorite", "myfoodho");


Debugging tip: The error message says "needle is not a string or an integer". The "needle" of that function is the second parameter (check the docs if you're not sure). You can then add var_dump( $val ) right before that line to check what the value actually is, if it's not a string or an integer.

Category:php Views:0 Time:2012-01-16
Tags: php

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